feat: add float16 dtype support to array/typed-real

lib/node_modules/@stdlib/array/typed-real/README.md

@@ -53,6 +53,7 @@ The function recognizes the following data types:
 
 -   `float64`: double-precision floating-point numbers (IEEE 754)
 -   `float32`: single-precision floating-point numbers (IEEE 754)
+-   `float16`: half-precision floating-point numbers (IEEE 754)
 -   `int32`: 32-bit two's complement signed integers
 -   `uint32`: 32-bit unsigned integers
 -   `int16`: 16-bit two's complement signed integers

lib/node_modules/@stdlib/array/typed-real/benchmark/benchmark.js

@@ -83,6 +83,24 @@ bench( format( '%s:dtype=%s', pkg, 'float32' ), function benchmark( b ) {
 	b.end();
 });
 
+bench( format( '%s:dtype=%s', pkg, 'float16' ), function benchmark( b ) {
+	var arr;
+	var i;
+	b.tic();
+	for ( i = 0; i < b.iterations; i++ ) {
+		arr = realarray( 0, 'float16' );
+		if ( arr.length !== 0 ) {
+			b.fail( 'should have length 0' );
+		}
+	}
+	b.toc();
+	if ( !isTypedArray( arr ) ) {
+		b.fail( 'should return a typed array' );
+	}
+	b.pass( 'benchmark finished' );
+	b.end();
+});
+
 bench( format( '%s:dtype=%s', pkg, 'int32' ), function benchmark( b ) {
 	var arr;
 	var i;

lib/node_modules/@stdlib/array/typed-real/benchmark/benchmark.length.float16.js

@@ -0,0 +1,94 @@
+/**
+* @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 bench = require( '@stdlib/bench' );
+var pow = require( '@stdlib/math/base/special/pow' );
+var isTypedArray = require( '@stdlib/assert/is-typed-array' );
+var format = require( '@stdlib/string/format' );
+var pkg = require( './../package.json' ).name;
+var realarray = require( './../lib' );
+
+
+// FUNCTIONS //
+
+/**
+* Creates a benchmark function.
+*
+* @private
+* @param {PositiveInteger} len - array length
+* @returns {Function} benchmark function
+*/
+function createBenchmark( len ) {
+	return benchmark;
+
+	/**
+	* Benchmark function.
+	*
+	* @private
+	* @param {Benchmark} b - benchmark instance
+	*/
+	function benchmark( b ) {
+		var arr;
+		var i;
+
+		b.tic();
+		for ( i = 0; i < b.iterations; i++ ) {
+			arr = realarray( len, 'float16' );
+			if ( arr.length !== len ) {
+				b.fail( 'unexpected length' );
+			}
+		}
+		b.toc();
+		if ( !isTypedArray( arr ) ) {
+			b.fail( 'should return a typed array' );
+		}
+		b.pass( 'benchmark finished' );
+		b.end();
+	}
+}
+
+
+// MAIN //
+
+/**
+* Main execution sequence.
+*
+* @private
+*/
+function main() {
+	var len;
+	var min;
+	var max;
+	var f;
+	var i;
+
+	min = 1; // 10^min
+	max = 6; // 10^max
+
+	for ( i = min; i <= max; i++ ) {
+		len = pow( 10, i );
+		f = createBenchmark( len );
+		bench( format( '%s:dtype=%s,len=%d', pkg, 'float16', len ), f );
+	}
+}
+
+main();

lib/node_modules/@stdlib/array/typed-real/docs/repl.txt

@@ -6,6 +6,7 @@
 
     - float64: double-precision floating-point numbers (IEEE 754).
     - float32: single-precision floating-point numbers (IEEE 754).
+    - float16: half-precision floating-point numbers (IEEE 754).
     - int32: 32-bit two's complement signed integers.
     - uint32: 32-bit unsigned integers.
     - int16: 16-bit two's complement signed integers.

lib/node_modules/@stdlib/array/typed-real/package.json

@@ -63,6 +63,7 @@
     "matrix",
     "float64array",
     "float32array",
+    "float16array",
     "int32array",
     "uint32array",
     "int16array",
@@ -78,6 +79,9 @@
     "float",
     "single-precision",
     "float32",
+    "half",
+    "half-precision",
+    "float16",
     "ieee754",
     "integer",
     "int32",

lib/node_modules/@stdlib/array/typed-real/test/test.js

@@ -23,6 +23,7 @@
 var tape = require( 'tape' );
 var Float64Array = require( '@stdlib/array/float64' );
 var Float32Array = require( '@stdlib/array/float32' );
+var Float16Array = require( '@stdlib/array/float16' );
 var Int32Array = require( '@stdlib/array/int32' );
 var Uint32Array = require( '@stdlib/array/uint32' );
 var Int16Array = require( '@stdlib/array/int16' );
@@ -302,6 +303,13 @@ tape( 'the function returns a typed array (dtype=float32)', function test( t ) {
 	t.end();
 });
 
+tape( 'the function returns a typed array (dtype=float16)', function test( t ) {
+	var arr = realarray( 'float16' );
+	t.strictEqual( instanceOf( arr, Float16Array ), true, 'returns expected value' );
+	t.strictEqual( arr.length, 0, 'returns expected value' );
+	t.end();
+});
+
 tape( 'the function returns a typed array (dtype=int32)', function test( t ) {
 	var arr = realarray( 'int32' );
 	t.strictEqual( instanceOf( arr, Int32Array ), true, 'returns expected value' );
@@ -372,6 +380,13 @@ tape( 'the function returns a typed array (dtype=float32, length)', function tes
 	t.end();
 });
 
+tape( 'the function returns a typed array (dtype=float16, length)', function test( t ) {
+	var arr = realarray( 10, 'float16' );
+	t.strictEqual( instanceOf( arr, Float16Array ), true, 'returns expected value' );
+	t.strictEqual( arr.length, 10, 'returns expected value' );
+	t.end();
+});
+
 tape( 'the function returns a typed array (dtype=int32, length)', function test( t ) {
 	var arr = realarray( 10, 'int32' );
 	t.strictEqual( instanceOf( arr, Int32Array ), true, 'returns expected value' );
@@ -454,6 +469,17 @@ tape( 'the function returns a typed array (dtype=float32, array)', function test
 	t.end();
 });
 
+tape( 'the function returns a typed array (dtype=float16, array)', function test( t ) {
+	var arr = [ 1.0, 2.0, 3.0 ];
+	var out = realarray( arr, 'float16' );
+	t.strictEqual( instanceOf( out, Float16Array ), true, 'returns expected value' );
+	t.strictEqual( out.length, 3, 'returns expected value' );
+	t.strictEqual( out[ 0 ], arr[ 0 ], 'returns expected value' );
+	t.strictEqual( out[ 1 ], arr[ 1 ], 'returns expected value' );
+	t.strictEqual( out[ 2 ], arr[ 2 ], 'returns expected value' );
+	t.end();
+});
+
 tape( 'the function returns a typed array (dtype=int32, array)', function test( t ) {
 	var arr = [ 1.0, 2.0, 3.0 ];
 	var out = realarray( arr, 'int32' );
@@ -564,6 +590,17 @@ tape( 'the function returns a typed array (dtype=float32, typed array)', functio
 	t.end();
 });
 
+tape( 'the function returns a typed array (dtype=float16, typed array)', function test( t ) {
+	var arr = new Uint32Array( [ 1.0, 2.0, 3.0 ] );
+	var out = realarray( arr, 'float16' );
+	t.strictEqual( instanceOf( out, Float16Array ), true, 'returns expected value' );
+	t.strictEqual( out.length, 3, 'returns expected value' );
+	t.strictEqual( out[ 0 ], arr[ 0 ], 'returns expected value' );
+	t.strictEqual( out[ 1 ], arr[ 1 ], 'returns expected value' );
+	t.strictEqual( out[ 2 ], arr[ 2 ], 'returns expected value' );
+	t.end();
+});
+
 tape( 'the function returns a typed array (dtype=int32, typed array)', function test( t ) {
 	var arr = new Float32Array( [ 1.0, 2.0, 3.0 ] );
 	var out = realarray( arr, 'int32' );
@@ -669,6 +706,16 @@ tape( 'the function returns a typed array (dtype=float32, arraybuffer)', functio
 	t.end();
 });
 
+tape( 'the function returns a typed array (dtype=float16, arraybuffer)', function test( t ) {
+	var buf = new ArrayBuffer( 8 );
+	var out = realarray( buf, 'float16' );
+	t.strictEqual( instanceOf( out, Float16Array ), true, 'returns expected value' );
+	t.strictEqual( out.length, 4, 'returns expected value' );
+	t.strictEqual( out[ 0 ], 0.0, 'returns expected value' );
+	t.strictEqual( out[ 1 ], 0.0, 'returns expected value' );
+	t.end();
+});
+
 tape( 'the function returns a typed array (dtype=int32, arraybuffer)', function test( t ) {
 	var buf = new ArrayBuffer( 8 );
 	var out = realarray( buf, 'int32' );
@@ -794,6 +841,17 @@ tape( 'the function returns a typed array (dtype=float32, arraybuffer, byteoffse
 	t.end();
 });
 
+tape( 'the function returns a typed array (dtype=float16, arraybuffer, byteoffset)', function test( t ) {
+	var buf = new ArrayBuffer( 16 );
+	var out = realarray( buf, 4, 'float16' );
+	t.strictEqual( instanceOf( out, Float16Array ), true, 'returns expected value' );
+	t.strictEqual( out.length, 6, 'returns expected value' );
+	t.strictEqual( out[ 0 ], 0.0, 'returns expected value' );
+	t.strictEqual( out[ 1 ], 0.0, 'returns expected value' );
+	t.strictEqual( out[ 2 ], 0.0, 'returns expected value' );
+	t.end();
+});
+
 tape( 'the function returns a typed array (dtype=int32, arraybuffer, byteoffset)', function test( t ) {
 	var buf = new ArrayBuffer( 16 );
 	var out = realarray( buf, 4, 'int32' );
@@ -934,6 +992,16 @@ tape( 'the function returns a typed array (dtype=float32, arraybuffer, byteoffse
 	t.end();
 });
 
+tape( 'the function returns a typed array (dtype=float16, arraybuffer, byteoffset, length)', function test( t ) {
+	var buf = new ArrayBuffer( 16 );
+	var out = realarray( buf, 4, 2, 'float16' );
+	t.strictEqual( instanceOf( out, Float16Array ), true, 'returns expected value' );
+	t.strictEqual( out.length, 2, 'returns expected value' );
+	t.strictEqual( out[ 0 ], 0.0, 'returns expected value' );
+	t.strictEqual( out[ 1 ], 0.0, 'returns expected value' );
+	t.end();
+});
+
 tape( 'the function returns a typed array (dtype=int32, arraybuffer, byteoffset, length)', function test( t ) {
 	var buf = new ArrayBuffer( 16 );
 	var out = realarray( buf, 4, 2, 'int32' );