From 0ab07106e5425ee14f13fc2315ac8d8558970fc5 Mon Sep 17 00:00:00 2001 From: Philipp Burckhardt Date: Wed, 26 Aug 2026 11:47:44 -0500 Subject: [PATCH 01/10] feat: add C implementation for `stats/base/dists/chi/quantile` Co-Authored-By: Claude Opus 5 (1M context) --- .../stats/base/dists/chi/quantile/README.md | 80 +++++++++ .../quantile/benchmark/benchmark.native.js | 69 +++++++ .../dists/chi/quantile/benchmark/c/Makefile | 146 +++++++++++++++ .../chi/quantile/benchmark/c/benchmark.c | 140 +++++++++++++++ .../stats/base/dists/chi/quantile/binding.gyp | 170 ++++++++++++++++++ .../dists/chi/quantile/examples/c/Makefile | 146 +++++++++++++++ .../dists/chi/quantile/examples/c/example.c | 40 +++++ .../base/dists/chi/quantile/include.gypi | 53 ++++++ .../stdlib/stats/base/dists/chi/quantile.h | 38 ++++ .../base/dists/chi/quantile/lib/native.js | 59 ++++++ .../base/dists/chi/quantile/manifest.json | 79 ++++++++ .../base/dists/chi/quantile/package.json | 3 + .../base/dists/chi/quantile/src/Makefile | 70 ++++++++ .../stats/base/dists/chi/quantile/src/addon.c | 22 +++ .../stats/base/dists/chi/quantile/src/main.c | 36 ++++ .../dists/chi/quantile/test/test.native.js | 116 ++++++++++++ 16 files changed, 1267 insertions(+) create mode 100644 lib/node_modules/@stdlib/stats/base/dists/chi/quantile/benchmark/benchmark.native.js create mode 100644 lib/node_modules/@stdlib/stats/base/dists/chi/quantile/benchmark/c/Makefile create mode 100644 lib/node_modules/@stdlib/stats/base/dists/chi/quantile/benchmark/c/benchmark.c create mode 100644 lib/node_modules/@stdlib/stats/base/dists/chi/quantile/binding.gyp create mode 100644 lib/node_modules/@stdlib/stats/base/dists/chi/quantile/examples/c/Makefile create mode 100644 lib/node_modules/@stdlib/stats/base/dists/chi/quantile/examples/c/example.c create mode 100644 lib/node_modules/@stdlib/stats/base/dists/chi/quantile/include.gypi create mode 100644 lib/node_modules/@stdlib/stats/base/dists/chi/quantile/include/stdlib/stats/base/dists/chi/quantile.h create mode 100644 lib/node_modules/@stdlib/stats/base/dists/chi/quantile/lib/native.js create mode 100644 lib/node_modules/@stdlib/stats/base/dists/chi/quantile/manifest.json create mode 100644 lib/node_modules/@stdlib/stats/base/dists/chi/quantile/src/Makefile create mode 100644 lib/node_modules/@stdlib/stats/base/dists/chi/quantile/src/addon.c create mode 100644 lib/node_modules/@stdlib/stats/base/dists/chi/quantile/src/main.c create mode 100644 lib/node_modules/@stdlib/stats/base/dists/chi/quantile/test/test.native.js diff --git a/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/README.md b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/README.md index 483cf284d7a8..cf9b65d3f830 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/README.md +++ b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/README.md @@ -147,6 +147,86 @@ logEachMap( 'p: %0.4f, k: %0.4f, Q(p;k): %0.4f', p, k, quantile ); + + +
+ +
+ +
+ + + + +
+ +## C APIs + +### Usage + +```c +#include "stdlib/stats/base/dists/chi/quantile.h" +``` + +#### stdlib_base_dists_chi_quantile( p, k ) + +Evaluates the [quantile function][quantile-function] for a [chi][chi-distribution] distribution with degrees of freedom `k`. + +```c +double out = stdlib_base_dists_chi_quantile( 0.8, 1.0 ); +// returns ~1.282 +``` + +The function accepts the following arguments: + +- **p**: `[in] double` input probability. +- **k**: `[in] double` degrees of freedom. + +```c +double stdlib_base_dists_chi_quantile( const double p, const double k ); +``` + +
+ + + +
+ +### Examples + +```c +#include "stdlib/stats/base/dists/chi/quantile.h" +#include +#include + +static double random_uniform( double min, double max ) { + double scale = rand() / (double) RAND_MAX; + return min + ( scale * ( max - min ) ); +} + +int main( void ) { + double k; + double p; + double y; + int i; + + for ( i = 0; i < 25; i++ ) { + p = random_uniform( 0.0, 1.0 ); + k = random_uniform( 0.1, 20.0 ); + y = stdlib_base_dists_chi_quantile( p, k ); + printf( "p: %lf, k: %lf, Q(p;k): %lf\n", p, k, y ); + } +} +``` + +
+ + + +
+ + +
diff --git a/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/benchmark/benchmark.native.js new file mode 100644 index 000000000000..48d4ca2ef479 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/benchmark/benchmark.native.js @@ -0,0 +1,69 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var bench = require( '@stdlib/bench' ); +var uniform = require( '@stdlib/random/array/uniform' ); +var format = require( '@stdlib/string/format' ); +var isnan = require( '@stdlib/math/base/assert/is-nan' ); +var EPS = require( '@stdlib/constants/float64/eps' ); +var tryRequire = require( '@stdlib/utils/try-require' ); +var pkg = require( './../package.json' ).name; + + +// VARIABLES // + +var quantile = tryRequire( resolve( __dirname, './../lib/native.js' ) ); +var opts = { + 'skip': ( quantile instanceof Error ) +}; + + +// MAIN // + +bench( format( '%s::native', pkg ), opts, function benchmark( b ) { + var p; + var k; + var y; + var i; + + p = uniform( 100, 0.0, 1.0, { + 'dtype': 'float64' + }); + k = uniform( 100, EPS, 20.0, { + 'dtype': 'float64' + }); + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + y = quantile( p[ i % p.length ], k[ i % k.length ] ); + if ( isnan( y ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + if ( isnan( y ) ) { + b.fail( 'should not return NaN' ); + } + b.pass( 'benchmark finished' ); + b.end(); +}); diff --git a/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/benchmark/c/Makefile b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/benchmark/c/Makefile new file mode 100644 index 000000000000..979768abbcec --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/benchmark/c/Makefile @@ -0,0 +1,146 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + +# Define the program used for compiling C source files: +ifdef C_COMPILER + CC := $(C_COMPILER) +else + CC := gcc +endif + +# Define the command-line options when compiling C files: +CFLAGS ?= \ + -std=c99 \ + -O3 \ + -Wall \ + -pedantic + +# Determine whether to generate position independent code ([1][1], [2][2]). +# +# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options +# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option +ifeq ($(OS), WINNT) + fPIC ?= +else + fPIC ?= -fPIC +endif + +# List of includes (e.g., `-I /foo/bar -I /beep/boop/include`): +INCLUDE ?= + +# List of source files: +SOURCE_FILES ?= + +# List of libraries (e.g., `-lopenblas -lpthread`): +LIBRARIES ?= + +# List of library paths (e.g., `-L /foo/bar -L /beep/boop`): +LIBPATH ?= + +# List of C targets: +c_targets := benchmark.out + + +# RULES # + +#/ +# Compiles source files. +# +# @param {string} [C_COMPILER] - C compiler (e.g., `gcc`) +# @param {string} [CFLAGS] - C compiler options +# @param {(string|void)} [fPIC] - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop/include`) +# @param {string} [SOURCE_FILES] - list of source files +# @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`) +# @param {string} [LIBRARIES] - list of libraries (e.g., `-lopenblas -lpthread`) +# +# @example +# make +# +# @example +# make all +#/ +all: $(c_targets) + +.PHONY: all + +#/ +# Compiles C source files. +# +# @private +# @param {string} CC - C compiler (e.g., `gcc`) +# @param {string} CFLAGS - C compiler options +# @param {(string|void)} fPIC - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} INCLUDE - list of includes (e.g., `-I /foo/bar`) +# @param {string} SOURCE_FILES - list of source files +# @param {string} LIBPATH - list of library paths (e.g., `-L /foo/bar`) +# @param {string} LIBRARIES - list of libraries (e.g., `-lopenblas`) +#/ +$(c_targets): %.out: %.c + $(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES) + +#/ +# Runs compiled benchmarks. +# +# @example +# make run +#/ +run: $(c_targets) + $(QUIET) ./$< + +.PHONY: run + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: + $(QUIET) -rm -f *.o *.out + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/benchmark/c/benchmark.c b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/benchmark/c/benchmark.c new file mode 100644 index 000000000000..8fc57aca5824 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/benchmark/c/benchmark.c @@ -0,0 +1,140 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/stats/base/dists/chi/quantile.h" +#include +#include +#include +#include +#include + +#define NAME "chi-quantile" +#define ITERATIONS 1000000 +#define REPEATS 3 + +/** +* Prints the TAP version. +*/ +static void print_version( void ) { + printf( "TAP version 13\n" ); +} + +/** +* Prints the TAP summary. +* +* @param total total number of tests +* @param passing total number of passing tests +*/ +static void print_summary( int total, int passing ) { + printf( "#\n" ); + printf( "1..%d\n", total ); // TAP plan + printf( "# total %d\n", total ); + printf( "# pass %d\n", passing ); + printf( "#\n" ); + printf( "# ok\n" ); +} + +/** +* Prints benchmarks results. +* +* @param elapsed elapsed time in seconds +*/ +static void print_results( double elapsed ) { + double rate = (double)ITERATIONS / elapsed; + printf( " ---\n" ); + printf( " iterations: %d\n", ITERATIONS ); + printf( " elapsed: %0.9f\n", elapsed ); + printf( " rate: %0.9f\n", rate ); + printf( " ...\n" ); +} + +/** +* Returns a clock time. +* +* @return clock time +*/ +static double tic( void ) { + struct timeval now; + gettimeofday( &now, NULL ); + return (double)now.tv_sec + (double)now.tv_usec / 1.0e6; +} + +/** +* Generates a random number on the interval [min,max). +* +* @param min minimum value (inclusive) +* @param max maximum value (exclusive) +* @return random number +*/ +static double random_uniform( const double min, const double max ) { + double v = (double)rand() / ( (double)RAND_MAX + 1.0 ); + return min + ( v * ( max - min ) ); +} + +/** +* Runs a benchmark. +* +* @return elapsed time in seconds +*/ +static double benchmark( void ) { + double elapsed; + double p[ 100 ]; + double k[ 100 ]; + double y; + double t; + int i; + + for ( i = 0; i < 100; i++ ) { + p[ i ] = random_uniform( 0.0, 1.0 ); + k[ i ] = random_uniform( 0.1, 20.0 ); + } + + t = tic(); + for ( i = 0; i < ITERATIONS; i++ ) { + y = stdlib_base_dists_chi_quantile( p[ i % 100 ], k[ i % 100 ] ); + if ( y != y ) { + printf( "should not return NaN\n" ); + break; + } + } + elapsed = tic() - t; + if ( y != y ) { + printf( "should not return NaN\n" ); + } + return elapsed; +} + +/** +* Main execution sequence. +*/ +int main( void ) { + double elapsed; + int i; + + // Use the current time to seed the random number generator: + srand( time( NULL ) ); + + print_version(); + for ( i = 0; i < REPEATS; i++ ) { + printf( "# c::%s\n", NAME ); + elapsed = benchmark(); + print_results( elapsed ); + printf( "ok %d benchmark finished\n", i + 1 ); + } + print_summary( REPEATS, REPEATS ); +} diff --git a/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/binding.gyp b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/binding.gyp new file mode 100644 index 000000000000..0d6508a12e99 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/binding.gyp @@ -0,0 +1,170 @@ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# A `.gyp` file for building a Node.js native add-on. +# +# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md +# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md +{ + # List of files to include in this file: + 'includes': [ + './include.gypi', + ], + + # Define variables to be used throughout the configuration for all targets: + 'variables': { + # Target name should match the add-on export name: + 'addon_target_name%': 'addon', + + # Set variables based on the host OS: + 'conditions': [ + [ + 'OS=="win"', + { + # Define the object file suffix: + 'obj': 'obj', + }, + { + # Define the object file suffix: + 'obj': 'o', + } + ], # end condition (OS=="win") + ], # end conditions + }, # end variables + + # Define compile targets: + 'targets': [ + + # Target to generate an add-on: + { + # The target name should match the add-on export name: + 'target_name': '<(addon_target_name)', + + # Define dependencies: + 'dependencies': [], + + # Define directories which contain relevant include headers: + 'include_dirs': [ + # Local include directory: + '<@(include_dirs)', + ], + + # List of source files: + 'sources': [ + '<@(src_files)', + ], + + # Settings which should be applied when a target's object files are used as linker input: + 'link_settings': { + # Define libraries: + 'libraries': [ + '<@(libraries)', + ], + + # Define library directories: + 'library_dirs': [ + '<@(library_dirs)', + ], + }, + + # C/C++ compiler flags: + 'cflags': [ + # Enable commonly used warning options: + '-Wall', + + # Aggressive optimization: + '-O3', + ], + + # C specific compiler flags: + 'cflags_c': [ + # Specify the C standard to which a program is expected to conform: + '-std=c99', + ], + + # C++ specific compiler flags: + 'cflags_cpp': [ + # Specify the C++ standard to which a program is expected to conform: + '-std=c++11', + ], + + # Linker flags: + 'ldflags': [], + + # Apply conditions based on the host OS: + 'conditions': [ + [ + 'OS=="mac"', + { + # Linker flags: + 'ldflags': [ + '-undefined dynamic_lookup', + '-Wl,-no-pie', + '-Wl,-search_paths_first', + ], + }, + ], # end condition (OS=="mac") + [ + 'OS!="win"', + { + # C/C++ flags: + 'cflags': [ + # Generate platform-independent code: + '-fPIC', + ], + }, + ], # end condition (OS!="win") + ], # end conditions + }, # end target <(addon_target_name) + + # Target to copy a generated add-on to a standard location: + { + 'target_name': 'copy_addon', + + # Declare that the output of this target is not linked: + 'type': 'none', + + # Define dependencies: + 'dependencies': [ + # Require that the add-on be generated before building this target: + '<(addon_target_name)', + ], + + # Define a list of actions: + 'actions': [ + { + 'action_name': 'copy_addon', + 'message': 'Copying addon...', + + # Explicitly list the inputs in the command-line invocation below: + 'inputs': [], + + # Declare the expected outputs: + 'outputs': [ + '<(addon_output_dir)/<(addon_target_name).node', + ], + + # Define the command-line invocation: + 'action': [ + 'cp', + '<(PRODUCT_DIR)/<(addon_target_name).node', + '<(addon_output_dir)/<(addon_target_name).node', + ], + }, + ], # end actions + }, # end target copy_addon + ], # end targets +} diff --git a/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/examples/c/Makefile b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/examples/c/Makefile new file mode 100644 index 000000000000..c8f8e9a1517b --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/examples/c/Makefile @@ -0,0 +1,146 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + +# Define the program used for compiling C source files: +ifdef C_COMPILER + CC := $(C_COMPILER) +else + CC := gcc +endif + +# Define the command-line options when compiling C files: +CFLAGS ?= \ + -std=c99 \ + -O3 \ + -Wall \ + -pedantic + +# Determine whether to generate position independent code ([1][1], [2][2]). +# +# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options +# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option +ifeq ($(OS), WINNT) + fPIC ?= +else + fPIC ?= -fPIC +endif + +# List of includes (e.g., `-I /foo/bar -I /beep/boop/include`): +INCLUDE ?= + +# List of source files: +SOURCE_FILES ?= + +# List of libraries (e.g., `-lopenblas -lpthread`): +LIBRARIES ?= + +# List of library paths (e.g., `-L /foo/bar -L /beep/boop`): +LIBPATH ?= + +# List of C targets: +c_targets := example.out + + +# RULES # + +#/ +# Compiles source files. +# +# @param {string} [C_COMPILER] - C compiler (e.g., `gcc`) +# @param {string} [CFLAGS] - C compiler options +# @param {(string|void)} [fPIC] - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop/include`) +# @param {string} [SOURCE_FILES] - list of source files +# @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`) +# @param {string} [LIBRARIES] - list of libraries (e.g., `-lopenblas -lpthread`) +# +# @example +# make +# +# @example +# make all +#/ +all: $(c_targets) + +.PHONY: all + +#/ +# Compiles C source files. +# +# @private +# @param {string} CC - C compiler (e.g., `gcc`) +# @param {string} CFLAGS - C compiler options +# @param {(string|void)} fPIC - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} INCLUDE - list of includes (e.g., `-I /foo/bar`) +# @param {string} SOURCE_FILES - list of source files +# @param {string} LIBPATH - list of library paths (e.g., `-L /foo/bar`) +# @param {string} LIBRARIES - list of libraries (e.g., `-lopenblas`) +#/ +$(c_targets): %.out: %.c + $(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES) + +#/ +# Runs compiled examples. +# +# @example +# make run +#/ +run: $(c_targets) + $(QUIET) ./$< + +.PHONY: run + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: + $(QUIET) -rm -f *.o *.out + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/examples/c/example.c b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/examples/c/example.c new file mode 100644 index 000000000000..bd2afff3afce --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/examples/c/example.c @@ -0,0 +1,40 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/stats/base/dists/chi/quantile.h" +#include +#include + +static double random_uniform( double min, double max ) { + double scale = rand() / (double) RAND_MAX; + return min + ( scale * ( max - min ) ); +} + +int main( void ) { + double k; + double p; + double y; + int i; + + for ( i = 0; i < 25; i++ ) { + p = random_uniform( 0.0, 1.0 ); + k = random_uniform( 0.1, 20.0 ); + y = stdlib_base_dists_chi_quantile( p, k ); + printf( "p: %lf, k: %lf, Q(p;k): %lf\n", p, k, y ); + } +} diff --git a/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/include.gypi b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/include.gypi new file mode 100644 index 000000000000..bee8d41a2caf --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/include.gypi @@ -0,0 +1,53 @@ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# A GYP include file for building a Node.js native add-on. +# +# Main documentation: +# +# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md +# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md +{ + # Define variables to be used throughout the configuration for all targets: + 'variables': { + # Source directory: + 'src_dir': './src', + + # Include directories: + 'include_dirs': [ + ' Date: Sun, 4 Oct 2026 23:04:14 -0700 Subject: [PATCH 02/10] docs: update documentation and examples --- type: pre_commit_static_analysis_report description: Results of running static analysis checks when committing changes. report: - task: lint_filenames status: passed - task: lint_editorconfig status: passed - task: lint_markdown_pkg_readmes status: passed - task: lint_markdown_docs status: na - task: lint_markdown status: na - task: lint_package_json status: na - task: lint_repl_help status: na - task: lint_javascript_src status: passed - task: lint_javascript_cli status: na - task: lint_javascript_examples status: na - task: lint_javascript_tests status: na - task: lint_javascript_benchmarks status: na - task: lint_python status: na - task: lint_r status: na - task: lint_c_src status: na - task: lint_c_examples status: passed - task: lint_c_benchmarks status: na - task: lint_c_tests_fixtures status: na - task: lint_shell status: na - task: lint_typescript_declarations status: passed - task: lint_typescript_tests status: passed - task: lint_license_headers status: passed --- --- .../stats/base/dists/chi/quantile/README.md | 36 +++++++++------ .../img/equation_chi_quantile_function.svg | 44 ------------------- .../dists/chi/quantile/docs/types/index.d.ts | 2 +- .../dists/chi/quantile/examples/c/example.c | 6 +-- .../stdlib/stats/base/dists/chi/quantile.h | 2 +- .../base/dists/chi/quantile/lib/native.js | 19 +++++++- 6 files changed, 46 insertions(+), 63 deletions(-) delete mode 100644 lib/node_modules/@stdlib/stats/base/dists/chi/quantile/docs/img/equation_chi_quantile_function.svg diff --git a/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/README.md b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/README.md index cf9b65d3f830..7aa2e22a6e1c 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/README.md +++ b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/README.md @@ -26,17 +26,12 @@ limitations under the License. The [quantile function][quantile-function] for a [chi][chi-distribution] random variable is - + ```math -Q(p; k) = 2 \cdot P^{-1}( p, k/2 ) +Q(p; k) = \sqrt{ 2 \cdot P^{-1}( p, k/2 ) } ``` - - for `0 <= p < 1`, where `k` is the degrees of freedom and `P^{-1}` is the inverse of the lower, regularized [incomplete gamma function][@stlib/math/base/special/gammaincinv]. @@ -147,21 +142,26 @@ logEachMap( 'p: %0.4f, k: %0.4f, Q(p;k): %0.4f', p, k, quantile ); - + + +* * *
+## C APIs + + +
+
-## C APIs - ### Usage ```c @@ -190,6 +190,16 @@ double stdlib_base_dists_chi_quantile( const double p, const double k ); + + +
+ +
+ + + + +
### Examples @@ -199,9 +209,9 @@ double stdlib_base_dists_chi_quantile( const double p, const double k ); #include #include -static double random_uniform( double min, double max ) { - double scale = rand() / (double) RAND_MAX; - return min + ( scale * ( max - min ) ); +static double random_uniform( const double min, const double max ) { + double v = (double)rand() / ( (double)RAND_MAX + 1.0 ); + return min + ( v*(max-min) ); } int main( void ) { diff --git a/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/docs/img/equation_chi_quantile_function.svg b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/docs/img/equation_chi_quantile_function.svg deleted file mode 100644 index 58c286032610..000000000000 --- a/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/docs/img/equation_chi_quantile_function.svg +++ /dev/null @@ -1,44 +0,0 @@ - -upper Q left-parenthesis p semicolon k right-parenthesis equals 2 dot upper P Superscript negative 1 Baseline left-parenthesis p comma k slash 2 right-parenthesis - - - \ No newline at end of file diff --git a/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/docs/types/index.d.ts b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/docs/types/index.d.ts index 4922485b4d99..8fa4289a1257 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/docs/types/index.d.ts +++ b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/docs/types/index.d.ts @@ -112,7 +112,7 @@ interface Quantile { * * var myquantile = quantile.factory( 2.0 ); * -* var y = myquantile( 0.3 ); +* y = myquantile( 0.3 ); * // returns ~0.845 * * y = myquantile( 0.7 ); diff --git a/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/examples/c/example.c b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/examples/c/example.c index bd2afff3afce..3ae34d26af2e 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/examples/c/example.c +++ b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/examples/c/example.c @@ -20,9 +20,9 @@ #include #include -static double random_uniform( double min, double max ) { - double scale = rand() / (double) RAND_MAX; - return min + ( scale * ( max - min ) ); +static double random_uniform( const double min, const double max ) { + double v = (double)rand() / ( (double)RAND_MAX + 1.0 ); + return min + ( v*(max-min) ); } int main( void ) { diff --git a/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/include/stdlib/stats/base/dists/chi/quantile.h b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/include/stdlib/stats/base/dists/chi/quantile.h index f3e74bc05e88..9d73fc8167f6 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/include/stdlib/stats/base/dists/chi/quantile.h +++ b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/include/stdlib/stats/base/dists/chi/quantile.h @@ -27,7 +27,7 @@ extern "C" { #endif /** -* Evaluates the quantile function for a chi distribution. +* Evaluates the quantile function for a chi distribution with degrees of freedom `k` at a probability `p`. */ double stdlib_base_dists_chi_quantile( const double p, const double k ); diff --git a/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/lib/native.js b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/lib/native.js index ecb38f4182d0..a36bae624609 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/lib/native.js +++ b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/lib/native.js @@ -26,7 +26,7 @@ var addon = require( './../src/addon.node' ); // MAIN // /** -* Evaluates the quantile function for a chi distribution. +* Evaluates the quantile function for a chi distribution with degrees of freedom `k` at a probability `p`. * * @private * @param {Probability} p - input value @@ -42,12 +42,29 @@ var addon = require( './../src/addon.node' ); * // returns ~1.832 * * @example +* var y = quantile( 0.8, 0.1 ); +* // returns ~0.116 +* +* @example +* var y = quantile( -0.2, 0.5 ); +* // returns NaN +* +* @example +* var y = quantile( 1.1, 0.5 ); +* // returns NaN +* +* @example * var y = quantile( NaN, 1.0 ); * // returns NaN * * @example * var y = quantile( 0.0, NaN ); * // returns NaN +* +* @example +* // Negative degrees of freedom: +* var y = quantile( 0.5, -1.0 ); +* // returns NaN */ function quantile( p, k ) { return addon( p, k ); From 77b501563f02df4760500526273a2fad9a9b1055 Mon Sep 17 00:00:00 2001 From: Karan Anand Date: Sun, 4 Oct 2026 23:04:56 -0700 Subject: [PATCH 03/10] test: add missing test case and update test descriptions --- type: pre_commit_static_analysis_report description: Results of running static analysis checks when committing changes. report: - task: lint_filenames status: passed - task: lint_editorconfig status: passed - task: lint_markdown_pkg_readmes status: na - task: lint_markdown_docs status: na - task: lint_markdown status: na - task: lint_package_json status: na - task: lint_repl_help status: na - task: lint_javascript_src status: na - task: lint_javascript_cli status: na - task: lint_javascript_examples status: na - task: lint_javascript_tests status: passed - task: lint_javascript_benchmarks status: na - task: lint_python status: na - task: lint_r status: na - task: lint_c_src status: na - task: lint_c_examples status: na - task: lint_c_benchmarks status: na - task: lint_c_tests_fixtures status: na - task: lint_shell status: na - task: lint_typescript_declarations status: passed - task: lint_typescript_tests status: na - task: lint_license_headers status: passed --- --- .../stats/base/dists/chi/quantile/test/test.factory.js | 7 ++++++- .../stats/base/dists/chi/quantile/test/test.native.js | 2 +- 2 files changed, 7 insertions(+), 2 deletions(-) diff --git a/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/test/test.factory.js b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/test/test.factory.js index bfca008b92cd..c6f94e8e8b0f 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/test/test.factory.js +++ b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/test/test.factory.js @@ -23,6 +23,7 @@ var tape = require( 'tape' ); var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); +var NINF = require( '@stdlib/constants/float64/ninf' ); var factory = require( './../lib/factory.js' ); @@ -86,6 +87,10 @@ tape( 'if provided a negative `k`, the created function always returns `NaN`', f y = quantile( 0.0 ); t.strictEqual( isnan( y ), true, 'returns expected value' ); + quantile = factory( NINF ); + y = quantile( 0.5 ); + t.strictEqual( isnan( y ), true, 'returns expected value' ); + t.end(); }); @@ -110,7 +115,7 @@ tape( 'if `k` equals `0`, the created function evaluates a degenerate distributi t.end(); }); -tape( 'the created function evaluates the quantile for `x` given parameter `k`', function test( t ) { +tape( 'the created function evaluates the quantile for `x` given degrees of freedom `k`', function test( t ) { var expected; var quantile; var p; diff --git a/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/test/test.native.js b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/test/test.native.js index 2228dd68382a..19e0e7abd9c3 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/test/test.native.js +++ b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/test/test.native.js @@ -22,9 +22,9 @@ var resolve = require( 'path' ).resolve; var tape = require( 'tape' ); -var tryRequire = require( '@stdlib/utils/try-require' ); var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); +var tryRequire = require( '@stdlib/utils/try-require' ); var NINF = require( '@stdlib/constants/float64/ninf' ); From 94af4ccbe05f209d3b1834e9453c3d0a27586701 Mon Sep 17 00:00:00 2001 From: Karan Anand Date: Sun, 4 Oct 2026 23:05:16 -0700 Subject: [PATCH 04/10] chore: code review --- type: pre_commit_static_analysis_report description: Results of running static analysis checks when committing changes. report: - task: lint_filenames status: passed - task: lint_editorconfig status: passed - task: lint_markdown_pkg_readmes status: na - task: lint_markdown_docs status: na - task: lint_markdown status: na - task: lint_package_json status: na - task: lint_repl_help status: na - task: lint_javascript_src status: na - task: lint_javascript_cli status: na - task: lint_javascript_examples status: na - task: lint_javascript_tests status: na - task: lint_javascript_benchmarks status: passed - task: lint_python status: na - task: lint_r status: na - task: lint_c_src status: passed - task: lint_c_examples status: na - task: lint_c_benchmarks status: passed - task: lint_c_tests_fixtures status: na - task: lint_shell status: na - task: lint_typescript_declarations status: passed - task: lint_typescript_tests status: na - task: lint_license_headers status: passed --- --- .../base/dists/chi/quantile/benchmark/benchmark.js | 4 ++-- .../dists/chi/quantile/benchmark/benchmark.native.js | 10 +++++----- .../base/dists/chi/quantile/benchmark/c/benchmark.c | 2 +- .../@stdlib/stats/base/dists/chi/quantile/src/addon.c | 2 +- 4 files changed, 9 insertions(+), 9 deletions(-) diff --git a/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/benchmark/benchmark.js index ccff61fa0dfa..451d99f52158 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/benchmark/benchmark.js +++ b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/benchmark/benchmark.js @@ -22,9 +22,9 @@ var bench = require( '@stdlib/bench' ); var uniform = require( '@stdlib/random/array/uniform' ); -var format = require( '@stdlib/string/format' ); var discreteUniform = require( '@stdlib/random/array/discrete-uniform' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); +var format = require( '@stdlib/string/format' ); var pkg = require( './../package.json' ).name; var quantile = require( './../lib' ); @@ -59,7 +59,7 @@ bench( pkg, function benchmark( b ) { b.end(); }); -bench( format( '%s:factory', pkg ), function benchmark( b ) { +bench( format( '%s::factory', pkg ), function benchmark( b ) { var myquantile; var opts; var k; diff --git a/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/benchmark/benchmark.native.js index 48d4ca2ef479..96bf0b755d1a 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/benchmark/benchmark.native.js +++ b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/benchmark/benchmark.native.js @@ -41,17 +41,17 @@ var opts = { // MAIN // bench( format( '%s::native', pkg ), opts, function benchmark( b ) { + var opts; var p; var k; var y; var i; - p = uniform( 100, 0.0, 1.0, { + opts = { 'dtype': 'float64' - }); - k = uniform( 100, EPS, 20.0, { - 'dtype': 'float64' - }); + }; + p = uniform( 100, 0.0, 1.0, opts ); + k = uniform( 100, EPS, 20.0, opts ); b.tic(); for ( i = 0; i < b.iterations; i++ ) { diff --git a/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/benchmark/c/benchmark.c b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/benchmark/c/benchmark.c index 8fc57aca5824..8c21a73e3330 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/benchmark/c/benchmark.c +++ b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/benchmark/c/benchmark.c @@ -92,9 +92,9 @@ static double random_uniform( const double min, const double max ) { * @return elapsed time in seconds */ static double benchmark( void ) { - double elapsed; double p[ 100 ]; double k[ 100 ]; + double elapsed; double y; double t; int i; diff --git a/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/src/addon.c b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/src/addon.c index b9081809c509..f33095153631 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/src/addon.c +++ b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/src/addon.c @@ -16,7 +16,7 @@ * limitations under the License. */ -#include "stdlib/math/base/napi/binary.h" #include "stdlib/stats/base/dists/chi/quantile.h" +#include "stdlib/math/base/napi/binary.h" STDLIB_MATH_BASE_NAPI_MODULE_DD_D( stdlib_base_dists_chi_quantile ) From 8ce234277d78f6f7b8ac4009691e59dc1a095231 Mon Sep 17 00:00:00 2001 From: Karan Anand Date: Sun, 4 Oct 2026 23:05:58 -0700 Subject: [PATCH 05/10] chore: update keywords --- type: pre_commit_static_analysis_report description: Results of running static analysis checks when committing changes. report: - task: lint_filenames status: passed - task: lint_editorconfig status: passed - task: lint_markdown_pkg_readmes status: na - task: lint_markdown_docs status: na - task: lint_markdown status: na - task: lint_package_json status: passed - task: lint_repl_help status: na - task: lint_javascript_src status: na - task: lint_javascript_cli status: na - task: lint_javascript_examples status: na - task: lint_javascript_tests status: na - task: lint_javascript_benchmarks status: na - task: lint_python status: na - task: lint_r status: na - task: lint_c_src status: na - task: lint_c_examples status: na - task: lint_c_benchmarks status: na - task: lint_c_tests_fixtures status: na - task: lint_shell status: na - task: lint_typescript_declarations status: passed - task: lint_typescript_tests status: na - task: lint_license_headers status: passed --- --- .../@stdlib/stats/base/dists/chi/quantile/package.json | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/package.json b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/package.json index df767a400a90..83e45c1b4329 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/package.json +++ b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/package.json @@ -60,10 +60,9 @@ "dist", "probability", "prob", - "cdf", - "cumulative", - "inverse", "quantile", + "inverse", + "cdf", "chi", "univariate", "continuous" From eed5dd83b6a28a2599d8b6b8f8a90a5101f1b44f Mon Sep 17 00:00:00 2001 From: Philipp Burckhardt Date: Wed, 26 Aug 2026 11:48:00 -0500 Subject: [PATCH 06/10] feat: add C implementation for `stats/base/dists/erlang/quantile` Co-Authored-By: Claude Opus 5 (1M context) --- .../base/dists/erlang/quantile/README.md | 83 +++++++ .../quantile/benchmark/benchmark.native.js | 74 +++++++ .../erlang/quantile/benchmark/c/Makefile | 146 ++++++++++++ .../erlang/quantile/benchmark/c/benchmark.c | 142 ++++++++++++ .../base/dists/erlang/quantile/binding.gyp | 170 ++++++++++++++ .../dists/erlang/quantile/examples/c/Makefile | 146 ++++++++++++ .../erlang/quantile/examples/c/example.c | 42 ++++ .../base/dists/erlang/quantile/include.gypi | 53 +++++ .../stdlib/stats/base/dists/erlang/quantile.h | 38 ++++ .../base/dists/erlang/quantile/lib/native.js | 64 ++++++ .../base/dists/erlang/quantile/manifest.json | 79 +++++++ .../base/dists/erlang/quantile/package.json | 3 + .../base/dists/erlang/quantile/src/Makefile | 70 ++++++ .../base/dists/erlang/quantile/src/addon.c | 22 ++ .../base/dists/erlang/quantile/src/main.c | 40 ++++ .../dists/erlang/quantile/test/test.native.js | 207 ++++++++++++++++++ 16 files changed, 1379 insertions(+) create mode 100644 lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/benchmark/benchmark.native.js create mode 100644 lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/benchmark/c/Makefile create mode 100644 lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/benchmark/c/benchmark.c create mode 100644 lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/binding.gyp create mode 100644 lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/examples/c/Makefile create mode 100644 lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/examples/c/example.c create mode 100644 lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/include.gypi create mode 100644 lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/include/stdlib/stats/base/dists/erlang/quantile.h create mode 100644 lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/lib/native.js create mode 100644 lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/manifest.json create mode 100644 lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/src/Makefile create mode 100644 lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/src/addon.c create mode 100644 lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/src/main.c create mode 100644 lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/test/test.native.js diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/README.md b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/README.md index d4c7c4321708..bf11d6fba232 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/README.md +++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/README.md @@ -158,6 +158,89 @@ logEachMap( 'p: %0.4f, k: %d, λ: %0.4f, Q(p;k,λ): %0.4f', p, k, lambda, quanti + + +
+ +
+ +
+ + + + +
+ +## C APIs + +### Usage + +```c +#include "stdlib/stats/base/dists/erlang/quantile.h" +``` + +#### stdlib_base_dists_erlang_quantile( p, k, lambda ) + +Evaluates the [quantile function][quantile-function] for an [Erlang][erlang-distribution] distribution with shape parameter `k` and rate parameter `lambda`. + +```c +double out = stdlib_base_dists_erlang_quantile( 0.8, 2.0, 1.0 ); +// returns ~2.994 +``` + +The function accepts the following arguments: + +- **p**: `[in] double` input probability. +- **k**: `[in] double` shape parameter. +- **lambda**: `[in] double` rate parameter. + +```c +double stdlib_base_dists_erlang_quantile( const double p, const double k, const double lambda ); +``` + +
+ + + +
+ +### Examples + +```c +#include "stdlib/stats/base/dists/erlang/quantile.h" +#include +#include + +static double random_uniform( double min, double max ) { + double scale = rand() / (double) RAND_MAX; + return min + ( scale * ( max - min ) ); +} + +int main( void ) { + double lambda; + double p; + double y; + int k; + int i; + + for ( i = 0; i < 25; i++ ) { + p = random_uniform( 0.0, 1.0 ); + k = (int)random_uniform( 1.0, 10.0 ); + lambda = random_uniform( 0.1, 5.0 ); + y = stdlib_base_dists_erlang_quantile( p, (double)k, lambda ); + printf( "p: %lf, k: %d, λ: %lf, Q(p;k,λ): %lf\n", p, k, lambda, y ); + } +} +``` + +
+ + + +
+ + +
diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/benchmark/benchmark.native.js new file mode 100644 index 000000000000..47469caf6cf7 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/benchmark/benchmark.native.js @@ -0,0 +1,74 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var bench = require( '@stdlib/bench' ); +var discreteUniform = require( '@stdlib/random/array/discrete-uniform' ); +var uniform = require( '@stdlib/random/array/uniform' ); +var format = require( '@stdlib/string/format' ); +var isnan = require( '@stdlib/math/base/assert/is-nan' ); +var EPS = require( '@stdlib/constants/float64/eps' ); +var tryRequire = require( '@stdlib/utils/try-require' ); +var pkg = require( './../package.json' ).name; + + +// VARIABLES // + +var quantile = tryRequire( resolve( __dirname, './../lib/native.js' ) ); +var opts = { + 'skip': ( quantile instanceof Error ) +}; + + +// MAIN // + +bench( format( '%s::native', pkg ), opts, function benchmark( b ) { + var lambda; + var p; + var k; + var y; + var i; + + p = uniform( 100, 0.0, 1.0, { + 'dtype': 'float64' + }); + k = discreteUniform( 100, 0, 20, { + 'dtype': 'float64' + }); + lambda = uniform( 100, EPS, 20.0, { + 'dtype': 'float64' + }); + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + y = quantile( p[ i % p.length ], k[ i % k.length ], lambda[ i % lambda.length ] ); + if ( isnan( y ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + if ( isnan( y ) ) { + b.fail( 'should not return NaN' ); + } + b.pass( 'benchmark finished' ); + b.end(); +}); diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/benchmark/c/Makefile b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/benchmark/c/Makefile new file mode 100644 index 000000000000..979768abbcec --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/benchmark/c/Makefile @@ -0,0 +1,146 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + +# Define the program used for compiling C source files: +ifdef C_COMPILER + CC := $(C_COMPILER) +else + CC := gcc +endif + +# Define the command-line options when compiling C files: +CFLAGS ?= \ + -std=c99 \ + -O3 \ + -Wall \ + -pedantic + +# Determine whether to generate position independent code ([1][1], [2][2]). +# +# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options +# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option +ifeq ($(OS), WINNT) + fPIC ?= +else + fPIC ?= -fPIC +endif + +# List of includes (e.g., `-I /foo/bar -I /beep/boop/include`): +INCLUDE ?= + +# List of source files: +SOURCE_FILES ?= + +# List of libraries (e.g., `-lopenblas -lpthread`): +LIBRARIES ?= + +# List of library paths (e.g., `-L /foo/bar -L /beep/boop`): +LIBPATH ?= + +# List of C targets: +c_targets := benchmark.out + + +# RULES # + +#/ +# Compiles source files. +# +# @param {string} [C_COMPILER] - C compiler (e.g., `gcc`) +# @param {string} [CFLAGS] - C compiler options +# @param {(string|void)} [fPIC] - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop/include`) +# @param {string} [SOURCE_FILES] - list of source files +# @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`) +# @param {string} [LIBRARIES] - list of libraries (e.g., `-lopenblas -lpthread`) +# +# @example +# make +# +# @example +# make all +#/ +all: $(c_targets) + +.PHONY: all + +#/ +# Compiles C source files. +# +# @private +# @param {string} CC - C compiler (e.g., `gcc`) +# @param {string} CFLAGS - C compiler options +# @param {(string|void)} fPIC - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} INCLUDE - list of includes (e.g., `-I /foo/bar`) +# @param {string} SOURCE_FILES - list of source files +# @param {string} LIBPATH - list of library paths (e.g., `-L /foo/bar`) +# @param {string} LIBRARIES - list of libraries (e.g., `-lopenblas`) +#/ +$(c_targets): %.out: %.c + $(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES) + +#/ +# Runs compiled benchmarks. +# +# @example +# make run +#/ +run: $(c_targets) + $(QUIET) ./$< + +.PHONY: run + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: + $(QUIET) -rm -f *.o *.out + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/benchmark/c/benchmark.c b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/benchmark/c/benchmark.c new file mode 100644 index 000000000000..330506ab5fcb --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/benchmark/c/benchmark.c @@ -0,0 +1,142 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/stats/base/dists/erlang/quantile.h" +#include +#include +#include +#include +#include + +#define NAME "erlang-quantile" +#define ITERATIONS 1000000 +#define REPEATS 3 + +/** +* Prints the TAP version. +*/ +static void print_version( void ) { + printf( "TAP version 13\n" ); +} + +/** +* Prints the TAP summary. +* +* @param total total number of tests +* @param passing total number of passing tests +*/ +static void print_summary( int total, int passing ) { + printf( "#\n" ); + printf( "1..%d\n", total ); // TAP plan + printf( "# total %d\n", total ); + printf( "# pass %d\n", passing ); + printf( "#\n" ); + printf( "# ok\n" ); +} + +/** +* Prints benchmarks results. +* +* @param elapsed elapsed time in seconds +*/ +static void print_results( double elapsed ) { + double rate = (double)ITERATIONS / elapsed; + printf( " ---\n" ); + printf( " iterations: %d\n", ITERATIONS ); + printf( " elapsed: %0.9f\n", elapsed ); + printf( " rate: %0.9f\n", rate ); + printf( " ...\n" ); +} + +/** +* Returns a clock time. +* +* @return clock time +*/ +static double tic( void ) { + struct timeval now; + gettimeofday( &now, NULL ); + return (double)now.tv_sec + (double)now.tv_usec / 1.0e6; +} + +/** +* Generates a random number on the interval [min,max). +* +* @param min minimum value (inclusive) +* @param max maximum value (exclusive) +* @return random number +*/ +static double random_uniform( const double min, const double max ) { + double v = (double)rand() / ( (double)RAND_MAX + 1.0 ); + return min + ( v * ( max - min ) ); +} + +/** +* Runs a benchmark. +* +* @return elapsed time in seconds +*/ +static double benchmark( void ) { + double elapsed; + double lambda[ 100 ]; + double p[ 100 ]; + int k[ 100 ]; + double y; + double t; + int i; + + for ( i = 0; i < 100; i++ ) { + p[ i ] = random_uniform( 0.0, 1.0 ); + k[ i ] = (int)( random_uniform( 1.0, 20.0 ) ); + lambda[ i ] = random_uniform( 0.1, 20.0 ); + } + + t = tic(); + for ( i = 0; i < ITERATIONS; i++ ) { + y = stdlib_base_dists_erlang_quantile( p[ i % 100 ], (double)k[ i % 100 ], lambda[ i % 100 ] ); + if ( y != y ) { + printf( "should not return NaN\n" ); + break; + } + } + elapsed = tic() - t; + if ( y != y ) { + printf( "should not return NaN\n" ); + } + return elapsed; +} + +/** +* Main execution sequence. +*/ +int main( void ) { + double elapsed; + int i; + + // Use the current time to seed the random number generator: + srand( time( NULL ) ); + + print_version(); + for ( i = 0; i < REPEATS; i++ ) { + printf( "# c::%s\n", NAME ); + elapsed = benchmark(); + print_results( elapsed ); + printf( "ok %d benchmark finished\n", i + 1 ); + } + print_summary( REPEATS, REPEATS ); +} diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/binding.gyp b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/binding.gyp new file mode 100644 index 000000000000..0d6508a12e99 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/binding.gyp @@ -0,0 +1,170 @@ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# A `.gyp` file for building a Node.js native add-on. +# +# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md +# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md +{ + # List of files to include in this file: + 'includes': [ + './include.gypi', + ], + + # Define variables to be used throughout the configuration for all targets: + 'variables': { + # Target name should match the add-on export name: + 'addon_target_name%': 'addon', + + # Set variables based on the host OS: + 'conditions': [ + [ + 'OS=="win"', + { + # Define the object file suffix: + 'obj': 'obj', + }, + { + # Define the object file suffix: + 'obj': 'o', + } + ], # end condition (OS=="win") + ], # end conditions + }, # end variables + + # Define compile targets: + 'targets': [ + + # Target to generate an add-on: + { + # The target name should match the add-on export name: + 'target_name': '<(addon_target_name)', + + # Define dependencies: + 'dependencies': [], + + # Define directories which contain relevant include headers: + 'include_dirs': [ + # Local include directory: + '<@(include_dirs)', + ], + + # List of source files: + 'sources': [ + '<@(src_files)', + ], + + # Settings which should be applied when a target's object files are used as linker input: + 'link_settings': { + # Define libraries: + 'libraries': [ + '<@(libraries)', + ], + + # Define library directories: + 'library_dirs': [ + '<@(library_dirs)', + ], + }, + + # C/C++ compiler flags: + 'cflags': [ + # Enable commonly used warning options: + '-Wall', + + # Aggressive optimization: + '-O3', + ], + + # C specific compiler flags: + 'cflags_c': [ + # Specify the C standard to which a program is expected to conform: + '-std=c99', + ], + + # C++ specific compiler flags: + 'cflags_cpp': [ + # Specify the C++ standard to which a program is expected to conform: + '-std=c++11', + ], + + # Linker flags: + 'ldflags': [], + + # Apply conditions based on the host OS: + 'conditions': [ + [ + 'OS=="mac"', + { + # Linker flags: + 'ldflags': [ + '-undefined dynamic_lookup', + '-Wl,-no-pie', + '-Wl,-search_paths_first', + ], + }, + ], # end condition (OS=="mac") + [ + 'OS!="win"', + { + # C/C++ flags: + 'cflags': [ + # Generate platform-independent code: + '-fPIC', + ], + }, + ], # end condition (OS!="win") + ], # end conditions + }, # end target <(addon_target_name) + + # Target to copy a generated add-on to a standard location: + { + 'target_name': 'copy_addon', + + # Declare that the output of this target is not linked: + 'type': 'none', + + # Define dependencies: + 'dependencies': [ + # Require that the add-on be generated before building this target: + '<(addon_target_name)', + ], + + # Define a list of actions: + 'actions': [ + { + 'action_name': 'copy_addon', + 'message': 'Copying addon...', + + # Explicitly list the inputs in the command-line invocation below: + 'inputs': [], + + # Declare the expected outputs: + 'outputs': [ + '<(addon_output_dir)/<(addon_target_name).node', + ], + + # Define the command-line invocation: + 'action': [ + 'cp', + '<(PRODUCT_DIR)/<(addon_target_name).node', + '<(addon_output_dir)/<(addon_target_name).node', + ], + }, + ], # end actions + }, # end target copy_addon + ], # end targets +} diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/examples/c/Makefile b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/examples/c/Makefile new file mode 100644 index 000000000000..c8f8e9a1517b --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/examples/c/Makefile @@ -0,0 +1,146 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + +# Define the program used for compiling C source files: +ifdef C_COMPILER + CC := $(C_COMPILER) +else + CC := gcc +endif + +# Define the command-line options when compiling C files: +CFLAGS ?= \ + -std=c99 \ + -O3 \ + -Wall \ + -pedantic + +# Determine whether to generate position independent code ([1][1], [2][2]). +# +# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options +# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option +ifeq ($(OS), WINNT) + fPIC ?= +else + fPIC ?= -fPIC +endif + +# List of includes (e.g., `-I /foo/bar -I /beep/boop/include`): +INCLUDE ?= + +# List of source files: +SOURCE_FILES ?= + +# List of libraries (e.g., `-lopenblas -lpthread`): +LIBRARIES ?= + +# List of library paths (e.g., `-L /foo/bar -L /beep/boop`): +LIBPATH ?= + +# List of C targets: +c_targets := example.out + + +# RULES # + +#/ +# Compiles source files. +# +# @param {string} [C_COMPILER] - C compiler (e.g., `gcc`) +# @param {string} [CFLAGS] - C compiler options +# @param {(string|void)} [fPIC] - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop/include`) +# @param {string} [SOURCE_FILES] - list of source files +# @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`) +# @param {string} [LIBRARIES] - list of libraries (e.g., `-lopenblas -lpthread`) +# +# @example +# make +# +# @example +# make all +#/ +all: $(c_targets) + +.PHONY: all + +#/ +# Compiles C source files. +# +# @private +# @param {string} CC - C compiler (e.g., `gcc`) +# @param {string} CFLAGS - C compiler options +# @param {(string|void)} fPIC - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} INCLUDE - list of includes (e.g., `-I /foo/bar`) +# @param {string} SOURCE_FILES - list of source files +# @param {string} LIBPATH - list of library paths (e.g., `-L /foo/bar`) +# @param {string} LIBRARIES - list of libraries (e.g., `-lopenblas`) +#/ +$(c_targets): %.out: %.c + $(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES) + +#/ +# Runs compiled examples. +# +# @example +# make run +#/ +run: $(c_targets) + $(QUIET) ./$< + +.PHONY: run + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: + $(QUIET) -rm -f *.o *.out + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/examples/c/example.c b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/examples/c/example.c new file mode 100644 index 000000000000..5aa57743810f --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/examples/c/example.c @@ -0,0 +1,42 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/stats/base/dists/erlang/quantile.h" +#include +#include + +static double random_uniform( double min, double max ) { + double scale = rand() / (double) RAND_MAX; + return min + ( scale * ( max - min ) ); +} + +int main( void ) { + double lambda; + double p; + double y; + int k; + int i; + + for ( i = 0; i < 25; i++ ) { + p = random_uniform( 0.0, 1.0 ); + k = (int)random_uniform( 1.0, 10.0 ); + lambda = random_uniform( 0.1, 5.0 ); + y = stdlib_base_dists_erlang_quantile( p, (double)k, lambda ); + printf( "p: %lf, k: %d, λ: %lf, Q(p;k,λ): %lf\n", p, k, lambda, y ); + } +} diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/include.gypi b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/include.gypi new file mode 100644 index 000000000000..bee8d41a2caf --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/include.gypi @@ -0,0 +1,53 @@ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# A GYP include file for building a Node.js native add-on. +# +# Main documentation: +# +# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md +# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md +{ + # Define variables to be used throughout the configuration for all targets: + 'variables': { + # Source directory: + 'src_dir': './src', + + # Include directories: + 'include_dirs': [ + ' Date: Mon, 5 Oct 2026 00:04:40 -0700 Subject: [PATCH 07/10] docs: update documentation and examples --- type: pre_commit_static_analysis_report description: Results of running static analysis checks when committing changes. report: - task: lint_filenames status: passed - task: lint_editorconfig status: passed - task: lint_markdown_pkg_readmes status: passed - task: lint_markdown_docs status: na - task: lint_markdown status: na - task: lint_package_json status: na - task: lint_repl_help status: passed - task: lint_javascript_src status: passed - task: lint_javascript_cli status: na - task: lint_javascript_examples status: na - task: lint_javascript_tests status: na - task: lint_javascript_benchmarks status: na - task: lint_python status: na - task: lint_r status: na - task: lint_c_src status: na - task: lint_c_examples status: passed - task: lint_c_benchmarks status: na - task: lint_c_tests_fixtures status: na - task: lint_shell status: na - task: lint_typescript_declarations status: passed - task: lint_typescript_tests status: passed - task: lint_license_headers status: passed --- --- .../base/dists/erlang/quantile/README.md | 38 +++++++++++++------ .../base/dists/erlang/quantile/docs/repl.txt | 4 +- .../erlang/quantile/docs/types/index.d.ts | 4 +- .../erlang/quantile/examples/c/example.c | 15 ++++---- .../base/dists/erlang/quantile/lib/main.js | 2 +- .../base/dists/erlang/quantile/lib/native.js | 25 +++++++++++- 6 files changed, 64 insertions(+), 24 deletions(-) diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/README.md b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/README.md index bf11d6fba232..f9c853104a90 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/README.md +++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/README.md @@ -158,21 +158,26 @@ logEachMap( 'p: %0.4f, k: %d, λ: %0.4f, Q(p;k,λ): %0.4f', p, k, lambda, quanti - + + +* * *
+## C APIs + + +
+
-## C APIs - ### Usage ```c @@ -181,7 +186,7 @@ logEachMap( 'p: %0.4f, k: %d, λ: %0.4f, Q(p;k,λ): %0.4f', p, k, lambda, quanti #### stdlib_base_dists_erlang_quantile( p, k, lambda ) -Evaluates the [quantile function][quantile-function] for an [Erlang][erlang-distribution] distribution with shape parameter `k` and rate parameter `lambda`. +Evaluates the [quantile function][quantile-function] for an [Erlang][erlang-distribution] distribution with parameters `k` (shape parameter) and `lambda` (rate parameter). ```c double out = stdlib_base_dists_erlang_quantile( 0.8, 2.0, 1.0 ); @@ -202,33 +207,44 @@ double stdlib_base_dists_erlang_quantile( const double p, const double k, const + + +
+ +
+ + + + +
### Examples ```c #include "stdlib/stats/base/dists/erlang/quantile.h" +#include "stdlib/math/base/special/round.h" #include #include -static double random_uniform( double min, double max ) { - double scale = rand() / (double) RAND_MAX; - return min + ( scale * ( max - min ) ); +static double random_uniform( const double min, const double max ) { + double v = (double)rand() / ( (double)RAND_MAX + 1.0 ); + return min + ( v*(max-min) ); } int main( void ) { double lambda; + double k; double p; double y; - int k; int i; for ( i = 0; i < 25; i++ ) { p = random_uniform( 0.0, 1.0 ); - k = (int)random_uniform( 1.0, 10.0 ); + k = stdlib_base_round( random_uniform( 1.0, 10.0 ) ); lambda = random_uniform( 0.1, 5.0 ); - y = stdlib_base_dists_erlang_quantile( p, (double)k, lambda ); - printf( "p: %lf, k: %d, λ: %lf, Q(p;k,λ): %lf\n", p, k, lambda, y ); + y = stdlib_base_dists_erlang_quantile( p, k, lambda ); + printf( "p: %lf, k: %lf, λ: %lf, Q(p;k,λ): %lf\n", p, k, lambda, y ); } } ``` diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/docs/repl.txt b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/docs/repl.txt index 0d4682cffb08..8d36aafce27a 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/docs/repl.txt +++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/docs/repl.txt @@ -9,7 +9,7 @@ If not provided a nonnegative integer for `k`, the function returns `NaN`. - If provided a non-positive number for `λ`, the function returns `NaN`. + If provided a non-positive value for `λ`, the function returns `NaN`. Parameters ---------- @@ -49,7 +49,7 @@ // Non-integer shape parameter: > y = {{alias}}( 0.5, 0.5, 1.0 ) NaN - // Non-positive shape parameter: + // Negative shape parameter: > y = {{alias}}( 0.5, -1, 1.0 ) NaN // Non-positive rate parameter: diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/docs/types/index.d.ts b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/docs/types/index.d.ts index 44b01c136415..d90698cc6b58 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/docs/types/index.d.ts +++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/docs/types/index.d.ts @@ -41,7 +41,7 @@ interface Quantile { * * - If `p < 0` or `p > 1`, the function returns `NaN`. * - If not provided a nonnegative integer for `k`, the function returns `NaN`. - * - If provided a non-positive number for `lambda`, the function returns `NaN`. + * - If provided a non-positive value for `lambda`, the function returns `NaN`. * * @param p - input value * @param k - shape parameter @@ -82,7 +82,7 @@ interface Quantile { * // returns NaN * * @example - * // Non-positive shape parameter: + * // Negative shape parameter: * var y = quantile( 0.5, -1, 1.0 ); * // returns NaN * diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/examples/c/example.c b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/examples/c/example.c index 5aa57743810f..f608eac4b004 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/examples/c/example.c +++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/examples/c/example.c @@ -17,26 +17,27 @@ */ #include "stdlib/stats/base/dists/erlang/quantile.h" +#include "stdlib/math/base/special/round.h" #include #include -static double random_uniform( double min, double max ) { - double scale = rand() / (double) RAND_MAX; - return min + ( scale * ( max - min ) ); +static double random_uniform( const double min, const double max ) { + double v = (double)rand() / ( (double)RAND_MAX + 1.0 ); + return min + ( v*(max-min) ); } int main( void ) { double lambda; + double k; double p; double y; - int k; int i; for ( i = 0; i < 25; i++ ) { p = random_uniform( 0.0, 1.0 ); - k = (int)random_uniform( 1.0, 10.0 ); + k = stdlib_base_round( random_uniform( 1.0, 10.0 ) ); lambda = random_uniform( 0.1, 5.0 ); - y = stdlib_base_dists_erlang_quantile( p, (double)k, lambda ); - printf( "p: %lf, k: %d, λ: %lf, Q(p;k,λ): %lf\n", p, k, lambda, y ); + y = stdlib_base_dists_erlang_quantile( p, k, lambda ); + printf( "p: %lf, k: %lf, λ: %lf, Q(p;k,λ): %lf\n", p, k, lambda, y ); } } diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/lib/main.js b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/lib/main.js index da209db9296a..e429bb986908 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/lib/main.js +++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/lib/main.js @@ -68,7 +68,7 @@ var quantileGamma = require( '@stdlib/stats/base/dists/gamma/quantile' ); * // returns NaN * * @example -* // Non-positive shape parameter: +* // Negative shape parameter: * var y = quantile( 0.5, -1, 1.0 ); * // returns NaN * diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/lib/native.js b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/lib/native.js index e4da84c981d7..b6582f9c149f 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/lib/native.js +++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/lib/native.js @@ -26,7 +26,7 @@ var addon = require( './../src/addon.node' ); // MAIN // /** -* Evaluates the quantile function for an Erlang distribution. +* Evaluates the quantile function for an Erlang distribution with shape parameter `k` and rate parameter `lambda` at a probability `p`. * * @private * @param {Probability} p - input value @@ -43,6 +43,14 @@ var addon = require( './../src/addon.node' ); * // returns ~1.836 * * @example +* var y = quantile( 1.1, 1, 1.0 ); +* // returns NaN +* +* @example +* var y = quantile( -0.2, 1, 1.0 ); +* // returns NaN +* +* @example * var y = quantile( NaN, 1, 1.0 ); * // returns NaN * @@ -53,6 +61,21 @@ var addon = require( './../src/addon.node' ); * @example * var y = quantile( 0.0, 1, NaN ); * // returns NaN +* +* @example +* // Non-integer shape parameter: +* var y = quantile( 0.5, 0.5, 1.0 ); +* // returns NaN +* +* @example +* // Negative shape parameter: +* var y = quantile( 0.5, -1, 1.0 ); +* // returns NaN +* +* @example +* // Non-positive rate parameter: +* var y = quantile( 0.5, 1, -1.0 ); +* // returns NaN */ function quantile( p, k, lambda ) { return addon( p, k, lambda ); From 6018328b4ab40982ce9f63a3ea3a45a0808d34e0 Mon Sep 17 00:00:00 2001 From: Karan Anand Date: Mon, 5 Oct 2026 00:05:35 -0700 Subject: [PATCH 08/10] test: add missing test cases and update tolerances --- type: pre_commit_static_analysis_report description: Results of running static analysis checks when committing changes. report: - task: lint_filenames status: passed - task: lint_editorconfig status: passed - task: lint_markdown_pkg_readmes status: na - task: lint_markdown_docs status: na - task: lint_markdown status: na - task: lint_package_json status: na - task: lint_repl_help status: na - task: lint_javascript_src status: na - task: lint_javascript_cli status: na - task: lint_javascript_examples status: na - task: lint_javascript_tests status: passed - task: lint_javascript_benchmarks status: na - task: lint_python status: na - task: lint_r status: na - task: lint_c_src status: na - task: lint_c_examples status: na - task: lint_c_benchmarks status: na - task: lint_c_tests_fixtures status: na - task: lint_shell status: na - task: lint_typescript_declarations status: passed - task: lint_typescript_tests status: na - task: lint_license_headers status: passed --- --- .../erlang/quantile/test/test.factory.js | 31 ++++++++++- .../dists/erlang/quantile/test/test.native.js | 53 ++++++++----------- .../erlang/quantile/test/test.quantile.js | 18 +++++++ 3 files changed, 71 insertions(+), 31 deletions(-) diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/test/test.factory.js b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/test/test.factory.js index d8c0451a2332..8daefa15f615 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/test/test.factory.js +++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/test/test.factory.js @@ -121,7 +121,7 @@ tape( 'if provided a negative `lambda`, the created function always returns `NaN t.end(); }); -tape( 'if provided a negative `k`, the created function always returns `NaN`', function test( t ) { +tape( 'if provided `k` is not a nonnegative integer, the created function always returns `NaN`', function test( t ) { var quantile; var y; @@ -133,6 +133,14 @@ tape( 'if provided a negative `k`, the created function always returns `NaN`', f y = quantile( 0.0 ); t.strictEqual( isnan( y ), true, 'returns expected value' ); + quantile = factory( 1.5, 0.5 ); + + y = quantile( 2.0 ); + t.strictEqual( isnan( y ), true, 'returns expected value' ); + + y = quantile( 0.0 ); + t.strictEqual( isnan( y ), true, 'returns expected value' ); + quantile = factory( NINF, 1.0 ); y = quantile( 2.0 ); t.strictEqual( isnan( y ), true, 'returns expected value' ); @@ -152,6 +160,27 @@ tape( 'if provided a negative `k`, the created function always returns `NaN`', f t.end(); }); +tape( 'if `k` equals `0`, the created function evaluates a degenerate distribution centered at `0`', function test( t ) { + var quantile; + var y; + + quantile = factory( 0.0, 2.0 ); + + y = quantile( 0.3 ); + t.strictEqual( y, 0.0, 'returns expected value' ); + + y = quantile( 0.9 ); + t.strictEqual( y, 0.0, 'returns expected value' ); + + y = quantile( 1.1 ); + t.strictEqual( isnan( y ), true, 'returns expected value' ); + + y = quantile( -0.1 ); + t.strictEqual( isnan( y ), true, 'returns expected value' ); + + t.end(); +}); + tape( 'the created function evaluates the quantile for `p` given large `k` and `lambda`', function test( t ) { var expected; var quantile; diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/test/test.native.js b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/test/test.native.js index 4c825428397c..6a11a8e57e85 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/test/test.native.js +++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/test/test.native.js @@ -22,12 +22,11 @@ var resolve = require( 'path' ).resolve; var tape = require( 'tape' ); +var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); -var abs = require( '@stdlib/math/base/special/abs' ); +var tryRequire = require( '@stdlib/utils/try-require' ); var PINF = require( '@stdlib/constants/float64/pinf' ); var NINF = require( '@stdlib/constants/float64/ninf' ); -var EPS = require( '@stdlib/constants/float64/eps' ); -var tryRequire = require( '@stdlib/utils/try-require' ); // VARIABLES // @@ -125,11 +124,27 @@ tape( 'if provided a negative `lambda`, the function returns `NaN`', opts, funct t.end(); }); +tape( 'if `k` equals `0`, the function evaluates a degenerate distribution centered at `0`', opts, function test( t ) { + var y; + + y = quantile( 0.3, 0.0, 2.0 ); + t.strictEqual( y, 0.0, 'returns expected value' ); + + y = quantile( 0.9, 0.0, 2.0 ); + t.strictEqual( y, 0.0, 'returns expected value' ); + + y = quantile( 1.1, 0.0, 2.0 ); + t.strictEqual( isnan( y ), true, 'returns expected value' ); + + y = quantile( -0.1, 0.0, 2.0 ); + t.strictEqual( isnan( y ), true, 'returns expected value' ); + + t.end(); +}); + tape( 'the function evaluates the quantile for `x` given large parameters `k` and `lambda`', opts, function test( t ) { var expected; var lambda; - var delta; - var tol; var p; var y; var i; @@ -141,13 +156,7 @@ tape( 'the function evaluates the quantile for `x` given large parameters `k` an lambda = bothLarge.lambda; for ( i = 0; i < p.length; i++ ) { y = quantile( p[i], k[i], lambda[i] ); - if ( y === expected[i] ) { - t.strictEqual( y, expected[i], 'p: '+p[i]+', k:'+k[i]+', lambda: '+lambda[i]+', y: '+y+', expected: '+expected[i] ); - } else { - delta = abs( y - expected[ i ] ); - tol = 250.0 * EPS * abs( expected[ i ] ); - t.ok( delta <= tol, 'within tolerance. p: '+p[ i ]+'. k: '+k[i]+'. lambda: '+lambda[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' ); - } + t.strictEqual( isAlmostSameValue( y, expected[ i ], 7 ), true, 'returns expected value' ); } t.end(); }); @@ -155,8 +164,6 @@ tape( 'the function evaluates the quantile for `x` given large parameters `k` an tape( 'the function evaluates the quantile for `x` given large shape parameter `k`', opts, function test( t ) { var expected; var lambda; - var delta; - var tol; var p; var y; var i; @@ -168,13 +175,7 @@ tape( 'the function evaluates the quantile for `x` given large shape parameter ` lambda = largeShape.lambda; for ( i = 0; i < p.length; i++ ) { y = quantile( p[i], k[i], lambda[i] ); - if ( y === expected[i] ) { - t.strictEqual( y, expected[i], 'p: '+p[i]+', k:'+k[i]+', lambda: '+lambda[i]+', y: '+y+', expected: '+expected[i] ); - } else { - delta = abs( y - expected[ i ] ); - tol = 250.0 * EPS * abs( expected[ i ] ); - t.ok( delta <= tol, 'within tolerance. p: '+p[ i ]+'. k: '+k[i]+'. lambda: '+lambda[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' ); - } + t.strictEqual( isAlmostSameValue( y, expected[ i ], 7 ), true, 'returns expected value' ); } t.end(); }); @@ -182,8 +183,6 @@ tape( 'the function evaluates the quantile for `x` given large shape parameter ` tape( 'the function evaluates the quantile for `x` given large rate parameter `lambda`', opts, function test( t ) { var expected; var lambda; - var delta; - var tol; var p; var y; var i; @@ -195,13 +194,7 @@ tape( 'the function evaluates the quantile for `x` given large rate parameter `l lambda = largeRate.lambda; for ( i = 0; i < p.length; i++ ) { y = quantile( p[i], k[i], lambda[i] ); - if ( y === expected[i] ) { - t.strictEqual( y, expected[i], 'p: '+p[i]+', k:'+k[i]+', lambda: '+lambda[i]+', y: '+y+', expected: '+expected[i] ); - } else { - delta = abs( y - expected[ i ] ); - tol = 250.0 * EPS * abs( expected[ i ] ); - t.ok( delta <= tol, 'within tolerance. p: '+p[ i ]+'. k: '+k[i]+'. lambda: '+lambda[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' ); - } + t.strictEqual( isAlmostSameValue( y, expected[ i ], 7 ), true, 'returns expected value' ); } t.end(); }); diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/test/test.quantile.js b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/test/test.quantile.js index 54d3b5f0b17e..e724abecc65f 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/test/test.quantile.js +++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/test/test.quantile.js @@ -115,6 +115,24 @@ tape( 'if provided a negative `lambda`, the function returns `NaN`', function te t.end(); }); +tape( 'if `k` equals `0`, the function evaluates a degenerate distribution centered at `0`', function test( t ) { + var y; + + y = quantile( 0.3, 0.0, 2.0 ); + t.strictEqual( y, 0.0, 'returns expected value' ); + + y = quantile( 0.9, 0.0, 2.0 ); + t.strictEqual( y, 0.0, 'returns expected value' ); + + y = quantile( 1.1, 0.0, 2.0 ); + t.strictEqual( isnan( y ), true, 'returns expected value' ); + + y = quantile( -0.1, 0.0, 2.0 ); + t.strictEqual( isnan( y ), true, 'returns expected value' ); + + t.end(); +}); + tape( 'the function evaluates the quantile for `x` given large parameters `k` and `lambda`', function test( t ) { var expected; var lambda; From a515be363beeb684972f14e86ef10cb5e57f3b60 Mon Sep 17 00:00:00 2001 From: Karan Anand Date: Mon, 5 Oct 2026 00:05:58 -0700 Subject: [PATCH 09/10] bench: update benchmarks --- type: pre_commit_static_analysis_report description: Results of running static analysis checks when committing changes. report: - task: lint_filenames status: passed - task: lint_editorconfig status: passed - task: lint_markdown_pkg_readmes status: na - task: lint_markdown_docs status: na - task: lint_markdown status: na - task: lint_package_json status: na - task: lint_repl_help status: na - task: lint_javascript_src status: na - task: lint_javascript_cli status: na - task: lint_javascript_examples status: na - task: lint_javascript_tests status: na - task: lint_javascript_benchmarks status: passed - task: lint_python status: na - task: lint_r status: na - task: lint_c_src status: na - task: lint_c_examples status: na - task: lint_c_benchmarks status: passed - task: lint_c_tests_fixtures status: na - task: lint_shell status: na - task: lint_typescript_declarations status: passed - task: lint_typescript_tests status: na - task: lint_license_headers status: passed --- --- .../dists/erlang/quantile/benchmark/benchmark.js | 2 +- .../quantile/benchmark/benchmark.native.js | 16 +++++++--------- .../erlang/quantile/benchmark/c/benchmark.c | 12 +++++++----- 3 files changed, 15 insertions(+), 15 deletions(-) diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/benchmark/benchmark.js index 0a72f728551d..089bf4cbfe08 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/benchmark/benchmark.js +++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/benchmark/benchmark.js @@ -66,7 +66,7 @@ bench( pkg, function benchmark( b ) { b.end(); }); -bench( format( '%s:factory', pkg ), function benchmark( b ) { +bench( format( '%s::factory', pkg ), function benchmark( b ) { var myquantile; var lambda; var len; diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/benchmark/benchmark.native.js index 47469caf6cf7..dfac13b8ee37 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/benchmark/benchmark.native.js +++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/benchmark/benchmark.native.js @@ -22,8 +22,8 @@ var resolve = require( 'path' ).resolve; var bench = require( '@stdlib/bench' ); -var discreteUniform = require( '@stdlib/random/array/discrete-uniform' ); var uniform = require( '@stdlib/random/array/uniform' ); +var discreteUniform = require( '@stdlib/random/array/discrete-uniform' ); var format = require( '@stdlib/string/format' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); var EPS = require( '@stdlib/constants/float64/eps' ); @@ -43,20 +43,18 @@ var opts = { bench( format( '%s::native', pkg ), opts, function benchmark( b ) { var lambda; + var opts; var p; var k; var y; var i; - p = uniform( 100, 0.0, 1.0, { - 'dtype': 'float64' - }); - k = discreteUniform( 100, 0, 20, { - 'dtype': 'float64' - }); - lambda = uniform( 100, EPS, 20.0, { + opts = { 'dtype': 'float64' - }); + }; + p = uniform( 100, 0.0, 1.0, opts ); + k = discreteUniform( 100, 0, 20, opts ); + lambda = uniform( 100, EPS, 20.0, opts ); b.tic(); for ( i = 0; i < b.iterations; i++ ) { diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/benchmark/c/benchmark.c b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/benchmark/c/benchmark.c index 330506ab5fcb..d17169848fe8 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/benchmark/c/benchmark.c +++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/benchmark/c/benchmark.c @@ -17,6 +17,8 @@ */ #include "stdlib/stats/base/dists/erlang/quantile.h" +#include "stdlib/math/base/special/round.h" +#include "stdlib/constants/float64/eps.h" #include #include #include @@ -92,23 +94,23 @@ static double random_uniform( const double min, const double max ) { * @return elapsed time in seconds */ static double benchmark( void ) { - double elapsed; double lambda[ 100 ]; double p[ 100 ]; - int k[ 100 ]; + double k[ 100 ]; + double elapsed; double y; double t; int i; for ( i = 0; i < 100; i++ ) { p[ i ] = random_uniform( 0.0, 1.0 ); - k[ i ] = (int)( random_uniform( 1.0, 20.0 ) ); - lambda[ i ] = random_uniform( 0.1, 20.0 ); + k[ i ] = stdlib_base_round( random_uniform( 0.0, 20.0 ) ); + lambda[ i ] = random_uniform( STDLIB_CONSTANT_FLOAT64_EPS, 20.0 ); } t = tic(); for ( i = 0; i < ITERATIONS; i++ ) { - y = stdlib_base_dists_erlang_quantile( p[ i % 100 ], (double)k[ i % 100 ], lambda[ i % 100 ] ); + y = stdlib_base_dists_erlang_quantile( p[ i % 100 ], k[ i % 100 ], lambda[ i % 100 ] ); if ( y != y ) { printf( "should not return NaN\n" ); break; From 48b8ef7181598d4bff5d7c05ce80144fbc5664c9 Mon Sep 17 00:00:00 2001 From: Karan Anand Date: Mon, 5 Oct 2026 00:06:31 -0700 Subject: [PATCH 10/10] chore: code review --- type: pre_commit_static_analysis_report description: Results of running static analysis checks when committing changes. report: - task: lint_filenames status: passed - task: lint_editorconfig status: passed - task: lint_markdown_pkg_readmes status: na - task: lint_markdown_docs status: na - task: lint_markdown status: na - task: lint_package_json status: passed - task: lint_repl_help status: na - task: lint_javascript_src status: na - task: lint_javascript_cli status: na - task: lint_javascript_examples status: na - task: lint_javascript_tests status: na - task: lint_javascript_benchmarks status: na - task: lint_python status: na - task: lint_r status: na - task: lint_c_src status: passed - task: lint_c_examples status: na - task: lint_c_benchmarks status: na - task: lint_c_tests_fixtures status: na - task: lint_shell status: na - task: lint_typescript_declarations status: passed - task: lint_typescript_tests status: na - task: lint_license_headers status: passed --- --- .../include/stdlib/stats/base/dists/erlang/quantile.h | 2 +- .../stats/base/dists/erlang/quantile/manifest.json | 11 +++++++---- .../stats/base/dists/erlang/quantile/package.json | 3 ++- .../stats/base/dists/erlang/quantile/src/addon.c | 2 +- .../stats/base/dists/erlang/quantile/src/main.c | 10 +++++----- 5 files changed, 16 insertions(+), 12 deletions(-) diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/include/stdlib/stats/base/dists/erlang/quantile.h b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/include/stdlib/stats/base/dists/erlang/quantile.h index 899449c35898..ffefd2bebb9d 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/include/stdlib/stats/base/dists/erlang/quantile.h +++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/include/stdlib/stats/base/dists/erlang/quantile.h @@ -27,7 +27,7 @@ extern "C" { #endif /** -* Evaluates the quantile function for an Erlang distribution. +* Evaluates the quantile function for an Erlang distribution with shape parameter `k` and rate parameter `lambda` at a probability `p`. */ double stdlib_base_dists_erlang_quantile( const double p, const double k, const double lambda ); diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/manifest.json b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/manifest.json index 87d51527c92f..783af6b91818 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/manifest.json +++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/manifest.json @@ -39,8 +39,8 @@ "libpath": [], "dependencies": [ "@stdlib/math/base/napi/ternary", - "@stdlib/stats/base/dists/gamma/quantile", - "@stdlib/math/base/assert/is-nonnegative-integer" + "@stdlib/math/base/assert/is-nonnegative-integer", + "@stdlib/stats/base/dists/gamma/quantile" ] }, { @@ -55,8 +55,10 @@ "libraries": [], "libpath": [], "dependencies": [ + "@stdlib/math/base/assert/is-nonnegative-integer", "@stdlib/stats/base/dists/gamma/quantile", - "@stdlib/math/base/assert/is-nonnegative-integer" + "@stdlib/math/base/special/round", + "@stdlib/constants/float64/eps" ] }, { @@ -71,8 +73,9 @@ "libraries": [], "libpath": [], "dependencies": [ + "@stdlib/math/base/assert/is-nonnegative-integer", "@stdlib/stats/base/dists/gamma/quantile", - "@stdlib/math/base/assert/is-nonnegative-integer" + "@stdlib/math/base/special/round" ] } ] diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/package.json b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/package.json index 988f68b273a3..1e0183ec5efb 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/package.json +++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/package.json @@ -59,8 +59,9 @@ "distribution", "dist", "probability", - "cdf", + "quantile", "inverse", + "cdf", "erlang", "univariate", "continuous" diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/src/addon.c b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/src/addon.c index 2a7feba6c122..6c9011259349 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/src/addon.c +++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/src/addon.c @@ -16,7 +16,7 @@ * limitations under the License. */ -#include "stdlib/math/base/napi/ternary.h" #include "stdlib/stats/base/dists/erlang/quantile.h" +#include "stdlib/math/base/napi/ternary.h" STDLIB_MATH_BASE_NAPI_MODULE_DDD_D( stdlib_base_dists_erlang_quantile ) diff --git a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/src/main.c b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/src/main.c index fc5ee328d316..01215e2b9ea7 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/src/main.c +++ b/lib/node_modules/@stdlib/stats/base/dists/erlang/quantile/src/main.c @@ -17,16 +17,16 @@ */ #include "stdlib/stats/base/dists/erlang/quantile.h" -#include "stdlib/stats/base/dists/gamma/quantile.h" #include "stdlib/math/base/assert/is_nonnegative_integer.h" +#include "stdlib/stats/base/dists/gamma/quantile.h" /** * Evaluates the quantile function for an Erlang distribution with shape parameter `k` and rate parameter `lambda` at a probability `p`. * -* @param p input probability -* @param k shape parameter -* @param lambda rate parameter -* @return evaluated quantile function +* @param p input probability +* @param k shape parameter +* @param lambda rate parameter +* @return evaluated quantile function * * @example * double y = stdlib_base_dists_erlang_quantile( 0.8, 2.0, 1.0 );