diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/dfill-nan/README.md b/lib/node_modules/@stdlib/blas/ext/base/ndarray/dfill-nan/README.md index 98e2e23036da..ca5bc39d252b 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/ndarray/dfill-nan/README.md +++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/dfill-nan/README.md @@ -50,8 +50,16 @@ var alpha = scalar2ndarray( 0.0, { 'dtype': 'float64' }); -dfillNaN( [ x, alpha ] ); -// x => [ 0.0, -2.0, 3.0, 0.0, 4.0, -6.0 ] +var start = scalar2ndarray( 0, { + 'dtype': 'generic' +}); + +var end = scalar2ndarray( 2, { + 'dtype': 'generic' +}); + +dfillNaN( [ x, alpha, start, end ] ); +// x => [ 0.0, -2.0, 3.0, NaN, 4.0, -6.0 ] ``` The function has the following parameters: @@ -60,6 +68,8 @@ The function has the following parameters: - a one-dimensional input ndarray. - a zero-dimensional ndarray containing the scalar constant. + - a zero-dimensional ndarray containing the starting index (inclusive). + - a zero-dimensional ndarray containing the ending index (exclusive). @@ -70,6 +80,7 @@ The function has the following parameters: ## Notes - The input ndarray is modified **in-place** (i.e., the input ndarray is **mutated**). +- If a specified `start` or `end` index is negative, the function resolves the respective index by counting backward from the last element (where `-1` refers to the last element). @@ -92,13 +103,23 @@ var opts = { 'dtype': 'float64' }; -var x = nans( [ 10 ], opts ); +var x = nans( [ 20 ], opts ); console.log( ndarray2array( x ) ); var alpha = scalar2ndarray( 5.0, opts ); console.log( 'Alpha: %d', ndarraylike2scalar( alpha ) ); -dfillNaN( [ x, alpha ] ); +var start = scalar2ndarray( 5, { + 'dtype': 'generic' +}); +console.log( 'Start Index: %d', ndarraylike2scalar( start ) ); + +var end = scalar2ndarray( 15, { + 'dtype': 'generic' +}); +console.log( 'End Index: %d', ndarraylike2scalar( end ) ); + +dfillNaN( [ x, alpha, start, end ] ); console.log( ndarray2array( x ) ); ``` diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/dfill-nan/benchmark/benchmark.js b/lib/node_modules/@stdlib/blas/ext/base/ndarray/dfill-nan/benchmark/benchmark.js index 1e1fef86791a..20ae40de61bb 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/ndarray/dfill-nan/benchmark/benchmark.js +++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/dfill-nan/benchmark/benchmark.js @@ -63,10 +63,18 @@ function clbk( value, indices ) { */ function createBenchmark( len ) { var alpha; + var start; + var end; var x; x = fillBy( zeros( [ len ], options ), clbk ); alpha = scalar2ndarray( 0.0, options ); + start = scalar2ndarray( 0, { + 'dtype': 'generic' + }); + end = scalar2ndarray( len, { + 'dtype': 'generic' + }); return benchmark; /** @@ -81,7 +89,7 @@ function createBenchmark( len ) { b.tic(); for ( i = 0; i < b.iterations; i++ ) { - out = dfillNaN( [ x, alpha ] ); + out = dfillNaN( [ x, alpha, start, end ] ); if ( typeof out !== 'object' ) { b.fail( 'should return an ndarray' ); } diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/dfill-nan/docs/repl.txt b/lib/node_modules/@stdlib/blas/ext/base/ndarray/dfill-nan/docs/repl.txt index 835b953e9e02..a6407291ebb9 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/ndarray/dfill-nan/docs/repl.txt +++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/dfill-nan/docs/repl.txt @@ -6,6 +6,10 @@ The input ndarray is modified *in-place* (i.e., the input ndarray is *mutated*). + If a specified `start` or `end` index is negative, the function resolves + the respective index by counting backward from the last element (where `-1` + refers to the last element). + Parameters ---------- arrays: ArrayLikeObject @@ -13,6 +17,8 @@ - a one-dimensional input ndarray. - a zero-dimensional ndarray containing the scalar constant. + - a zero-dimensional ndarray containing the starting index (inclusive). + - a zero-dimensional ndarray containing the ending index (exclusive). Returns ------- @@ -23,8 +29,10 @@ -------- > var x = new {{alias:@stdlib/ndarray/vector/float64}}( [ NaN, -2.0, 3.0, NaN, 4.0, -6.0 ] ); > var alpha = {{alias:@stdlib/ndarray/from-scalar}}( 0.0, { 'dtype': 'float64' } ); - > {{alias}}( [ x, alpha ] ) - [ 0.0, -2.0, 3.0, 0.0, 4.0, -6.0 ] + > var st = {{alias:@stdlib/ndarray/from-scalar}}( 0, { 'dtype': 'generic' } ); + > var en = {{alias:@stdlib/ndarray/from-scalar}}( 2, { 'dtype': 'generic' } ); + > {{alias}}( [ x, alpha, st, en ] ) + [ 0.0, -2.0, 3.0, NaN, 4.0, -6.0 ] See Also -------- diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/dfill-nan/docs/types/index.d.ts b/lib/node_modules/@stdlib/blas/ext/base/ndarray/dfill-nan/docs/types/index.d.ts index 220ed8819d33..2285db3acd02 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/ndarray/dfill-nan/docs/types/index.d.ts +++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/dfill-nan/docs/types/index.d.ts @@ -31,6 +31,8 @@ import { float64ndarray, typedndarray } from '@stdlib/types/ndarray'; * * - a one-dimensional input ndarray. * - a zero-dimensional ndarray containing the scalar constant. +* - a zero-dimensional ndarray containing the starting index (inclusive). +* - a zero-dimensional ndarray containing the ending index (exclusive). * * @param arrays - array-like object containing ndarrays * @returns input ndarray @@ -45,10 +47,18 @@ import { float64ndarray, typedndarray } from '@stdlib/types/ndarray'; * 'dtype': 'float64' * }); * -* var out = dfillNaN( [ x, alpha ] ); -* // returns [ 0.0, -2.0, 3.0, 0.0, 4.0, -6.0 ] +* var start = scalar2ndarray( 0, { +* 'dtype': 'generic' +* }); +* +* var end = scalar2ndarray( 2, { +* 'dtype': 'generic' +* }); +* +* var out = dfillNaN( [ x, alpha, start, end ] ); +* // returns [ 0.0, -2.0, 3.0, NaN, 4.0, -6.0 ] */ -declare function dfillNaN( arrays: [ float64ndarray, typedndarray ] ): float64ndarray; +declare function dfillNaN( arrays: [ float64ndarray, typedndarray, typedndarray, typedndarray ] ): float64ndarray; // EXPORTS // diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/dfill-nan/docs/types/test.ts b/lib/node_modules/@stdlib/blas/ext/base/ndarray/dfill-nan/docs/types/test.ts index 3be4f921a291..ce194d4f322d 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/ndarray/dfill-nan/docs/types/test.ts +++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/dfill-nan/docs/types/test.ts @@ -33,8 +33,14 @@ import dfillNaN = require( './index' ); const alpha = scalar2ndarray( 0.0, { 'dtype': 'float64' }); + const start = scalar2ndarray( 0, { + 'dtype': 'generic' + }); + const end = scalar2ndarray( 10, { + 'dtype': 'generic' + }); - dfillNaN( [ x, alpha ] ); // $ExpectType float64ndarray + dfillNaN( [ x, alpha, start, end ] ); // $ExpectType float64ndarray } // The compiler throws an error if the function is provided a first argument which is not an array of ndarrays... @@ -58,7 +64,13 @@ import dfillNaN = require( './index' ); const alpha = scalar2ndarray( 0.0, { 'dtype': 'float64' }); + const start = scalar2ndarray( 0, { + 'dtype': 'generic' + }); + const end = scalar2ndarray( 10, { + 'dtype': 'generic' + }); dfillNaN(); // $ExpectError - dfillNaN( [ x, alpha ], {} ); // $ExpectError + dfillNaN( [ x, alpha, start, end ], {} ); // $ExpectError } diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/dfill-nan/examples/index.js b/lib/node_modules/@stdlib/blas/ext/base/ndarray/dfill-nan/examples/index.js index 8c063465c54a..f257c1e2f25a 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/ndarray/dfill-nan/examples/index.js +++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/dfill-nan/examples/index.js @@ -28,11 +28,21 @@ var opts = { 'dtype': 'float64' }; -var x = nans( [ 10 ], opts ); +var x = nans( [ 20 ], opts ); console.log( ndarray2array( x ) ); var alpha = scalar2ndarray( 5.0, opts ); console.log( 'Alpha: %d', ndarraylike2scalar( alpha ) ); -dfillNaN( [ x, alpha ] ); +var start = scalar2ndarray( 5, { + 'dtype': 'generic' +}); +console.log( 'Start Index: %d', ndarraylike2scalar( start ) ); + +var end = scalar2ndarray( 15, { + 'dtype': 'generic' +}); +console.log( 'End Index: %d', ndarraylike2scalar( end ) ); + +dfillNaN( [ x, alpha, start, end ] ); console.log( ndarray2array( x ) ); diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/dfill-nan/lib/index.js b/lib/node_modules/@stdlib/blas/ext/base/ndarray/dfill-nan/lib/index.js index 89023c0db3be..e36c836232a4 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/ndarray/dfill-nan/lib/index.js +++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/dfill-nan/lib/index.js @@ -34,8 +34,16 @@ * 'dtype': 'float64' * }); * -* var out = dfillNaN( [ x, alpha ] ); -* // returns [ 0.0, -2.0, 3.0, 0.0, 4.0, -6.0 ] +* var start = scalar2ndarray( 0, { +* 'dtype': 'generic' +* }); +* +* var end = scalar2ndarray( 2, { +* 'dtype': 'generic' +* }); +* +* var out = dfillNaN( [ x, alpha, start, end ] ); +* // returns [ 0.0, -2.0, 3.0, NaN, 4.0, -6.0 ] */ // MODULES // diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/dfill-nan/lib/main.js b/lib/node_modules/@stdlib/blas/ext/base/ndarray/dfill-nan/lib/main.js index 39b5b153a7f3..cdf8cff91ffb 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/ndarray/dfill-nan/lib/main.js +++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/dfill-nan/lib/main.js @@ -21,11 +21,12 @@ // MODULES // var numelDimension = require( '@stdlib/ndarray/base/numel-dimension' ); +var clipIndex = require( '@stdlib/ndarray/base/clip-index' ); var getStride = require( '@stdlib/ndarray/base/stride' ); var getOffset = require( '@stdlib/ndarray/base/offset' ); var getData = require( '@stdlib/ndarray/base/data-buffer' ); -var strided = require( '@stdlib/blas/ext/base/dfill-nan' ).ndarray; var ndarraylike2scalar = require( '@stdlib/ndarray/base/ndarraylike2scalar' ); +var strided = require( '@stdlib/blas/ext/base/dfill-nan' ).ndarray; // MAIN // @@ -39,6 +40,8 @@ var ndarraylike2scalar = require( '@stdlib/ndarray/base/ndarraylike2scalar' ); * * - a one-dimensional input ndarray. * - a zero-dimensional ndarray containing the scalar constant. +* - a zero-dimensional ndarray containing the starting index (inclusive). +* - a zero-dimensional ndarray containing the ending index (exclusive). * * @param {ArrayLikeObject} arrays - array-like object containing ndarrays * @returns {ndarray} input ndarray @@ -53,16 +56,39 @@ var ndarraylike2scalar = require( '@stdlib/ndarray/base/ndarraylike2scalar' ); * 'dtype': 'float64' * }); * -* var out = dfillNaN( [ x, alpha ] ); -* // returns [ 0.0, -2.0, 3.0, 0.0, 4.0, -6.0 ] +* var start = scalar2ndarray( 0, { +* 'dtype': 'generic' +* }); +* +* var end = scalar2ndarray( 2, { +* 'dtype': 'generic' +* }); +* +* var out = dfillNaN( [ x, alpha, start, end ] ); +* // returns [ 0.0, -2.0, 3.0, NaN, 4.0, -6.0 ] */ function dfillNaN( arrays ) { + var stride; + var offset; var alpha; + var start; + var end; + var N; var x; x = arrays[ 0 ]; alpha = ndarraylike2scalar( arrays[ 1 ] ); - strided( numelDimension( x, 0 ), alpha, getData( x ), getStride( x, 0 ), getOffset( x ) ); // eslint-disable-line max-len + + N = numelDimension( x, 0 ); + start = clipIndex( ndarraylike2scalar( arrays[ 2 ] ), N ); + end = clipIndex( ndarraylike2scalar( arrays[ 3 ] ), N ); + if ( start >= end ) { + return x; + } + stride = getStride( x, 0 ); + offset = getOffset( x ) + ( stride*start ); + + strided( end-start, alpha, getData( x ), stride, offset ); return x; } diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/dfill-nan/test/test.js b/lib/node_modules/@stdlib/blas/ext/base/ndarray/dfill-nan/test/test.js index 052f7e399208..810578323c1c 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/ndarray/dfill-nan/test/test.js +++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/dfill-nan/test/test.js @@ -58,7 +58,9 @@ tape( 'the function replaces elements equal to `NaN`', function test( t ) { var expected; var actual; var alpha; + var start; var xbuf; + var end; var x; xbuf = new Float64Array( [ NaN, -2.0, 3.0, NaN, 4.0, -6.0 ] ); @@ -66,8 +68,14 @@ tape( 'the function replaces elements equal to `NaN`', function test( t ) { alpha = scalar2ndarray( 0.0, { 'dtype': 'float64' }); + start = scalar2ndarray( 0, { + 'dtype': 'generic' + }); + end = scalar2ndarray( 6, { + 'dtype': 'generic' + }); - actual = dfillNaN( [ x, alpha ] ); + actual = dfillNaN( [ x, alpha, start, end ] ); t.strictEqual( actual, x, 'returns expected value' ); expected = new Float64Array( [ 0.0, -2.0, 3.0, 0.0, 4.0, -6.0 ] ); @@ -80,7 +88,9 @@ tape( 'the function supports an input ndarray having a non-unit stride', functio var expected; var actual; var alpha; + var start; var xbuf; + var end; var x; xbuf = new Float64Array( [ NaN, -2.0, 3.0, NaN, 4.0, -6.0 ] ); @@ -88,8 +98,14 @@ tape( 'the function supports an input ndarray having a non-unit stride', functio alpha = scalar2ndarray( 0.0, { 'dtype': 'float64' }); + start = scalar2ndarray( 0, { + 'dtype': 'generic' + }); + end = scalar2ndarray( 3, { + 'dtype': 'generic' + }); - actual = dfillNaN( [ x, alpha ] ); + actual = dfillNaN( [ x, alpha, start, end ] ); t.strictEqual( actual, x, 'returns expected value' ); expected = new Float64Array( [ 0.0, -2.0, 3.0, NaN, 4.0, -6.0 ] ); @@ -102,7 +118,9 @@ tape( 'the function supports an input ndarray having a negative stride', functio var expected; var actual; var alpha; + var start; var xbuf; + var end; var x; xbuf = new Float64Array( [ NaN, -2.0, 3.0, NaN, 4.0, -6.0 ] ); @@ -110,8 +128,14 @@ tape( 'the function supports an input ndarray having a negative stride', functio alpha = scalar2ndarray( 0.0, { 'dtype': 'float64' }); + start = scalar2ndarray( 0, { + 'dtype': 'generic' + }); + end = scalar2ndarray( 3, { + 'dtype': 'generic' + }); - actual = dfillNaN( [ x, alpha ] ); + actual = dfillNaN( [ x, alpha, start, end ] ); t.strictEqual( actual, x, 'returns expected value' ); expected = new Float64Array( [ 0.0, -2.0, 3.0, NaN, 4.0, -6.0 ] ); @@ -124,7 +148,9 @@ tape( 'the function supports an input ndarray having a non-zero offset', functio var expected; var actual; var alpha; + var start; var xbuf; + var end; var x; xbuf = new Float64Array( [ NaN, -2.0, 3.0, NaN, 4.0, -6.0 ] ); @@ -132,8 +158,14 @@ tape( 'the function supports an input ndarray having a non-zero offset', functio alpha = scalar2ndarray( 0.0, { 'dtype': 'float64' }); + start = scalar2ndarray( 0, { + 'dtype': 'generic' + }); + end = scalar2ndarray( 3, { + 'dtype': 'generic' + }); - actual = dfillNaN( [ x, alpha ] ); + actual = dfillNaN( [ x, alpha, start, end ] ); t.strictEqual( actual, x, 'returns expected value' ); expected = new Float64Array( [ NaN, -2.0, 3.0, 0.0, 4.0, -6.0 ] ); @@ -142,11 +174,252 @@ tape( 'the function supports an input ndarray having a non-zero offset', functio t.end(); }); +tape( 'the function supports a nonnegative starting index', function test( t ) { + var expected; + var actual; + var alpha; + var start; + var xbuf; + var end; + var x; + + xbuf = new Float64Array( [ NaN, NaN, NaN, NaN ] ); + x = vector( xbuf, 4, 1, 0 ); + alpha = scalar2ndarray( 0.0, { + 'dtype': 'float64' + }); + start = scalar2ndarray( 1, { + 'dtype': 'generic' + }); + end = scalar2ndarray( 4, { + 'dtype': 'generic' + }); + + actual = dfillNaN( [ x, alpha, start, end ] ); + t.strictEqual( actual, x, 'returns expected value' ); + + expected = new Float64Array( [ NaN, 0.0, 0.0, 0.0 ] ); + t.strictEqual( isSameFloat64Array( getData( actual ), expected ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function supports a negative starting index', function test( t ) { + var expected; + var actual; + var alpha; + var start; + var xbuf; + var end; + var x; + + xbuf = new Float64Array( [ NaN, NaN, NaN, NaN ] ); + x = vector( xbuf, 4, 1, 0 ); + alpha = scalar2ndarray( 0.0, { + 'dtype': 'float64' + }); + start = scalar2ndarray( -3, { + 'dtype': 'generic' + }); + end = scalar2ndarray( 4, { + 'dtype': 'generic' + }); + + actual = dfillNaN( [ x, alpha, start, end ] ); + t.strictEqual( actual, x, 'returns expected value' ); + + expected = new Float64Array( [ NaN, 0.0, 0.0, 0.0 ] ); + t.strictEqual( isSameFloat64Array( getData( actual ), expected ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function supports a nonnegative ending index', function test( t ) { + var expected; + var actual; + var alpha; + var start; + var xbuf; + var end; + var x; + + xbuf = new Float64Array( [ NaN, NaN, NaN, NaN ] ); + x = vector( xbuf, 4, 1, 0 ); + alpha = scalar2ndarray( 0.0, { + 'dtype': 'float64' + }); + start = scalar2ndarray( 0, { + 'dtype': 'generic' + }); + end = scalar2ndarray( 3, { + 'dtype': 'generic' + }); + + actual = dfillNaN( [ x, alpha, start, end ] ); + t.strictEqual( actual, x, 'returns expected value' ); + + expected = new Float64Array( [ 0.0, 0.0, 0.0, NaN ] ); + t.strictEqual( isSameFloat64Array( getData( actual ), expected ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function supports a negative ending index', function test( t ) { + var expected; + var actual; + var alpha; + var start; + var xbuf; + var end; + var x; + + xbuf = new Float64Array( [ NaN, NaN, NaN, NaN ] ); + x = vector( xbuf, 4, 1, 0 ); + alpha = scalar2ndarray( 0.0, { + 'dtype': 'float64' + }); + start = scalar2ndarray( 0, { + 'dtype': 'generic' + }); + end = scalar2ndarray( -1, { + 'dtype': 'generic' + }); + + actual = dfillNaN( [ x, alpha, start, end ] ); + t.strictEqual( actual, x, 'returns expected value' ); + + expected = new Float64Array( [ 0.0, 0.0, 0.0, NaN ] ); + t.strictEqual( isSameFloat64Array( getData( actual ), expected ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function clamps out-of-bounds starting and ending indices', function test( t ) { + var expected; + var actual; + var alpha; + var start; + var xbuf; + var end; + var x; + + xbuf = new Float64Array( [ NaN, NaN, NaN, NaN ] ); + x = vector( xbuf, 4, 1, 0 ); + alpha = scalar2ndarray( 0.0, { + 'dtype': 'float64' + }); + start = scalar2ndarray( -10, { + 'dtype': 'generic' + }); + end = scalar2ndarray( 10, { + 'dtype': 'generic' + }); + + actual = dfillNaN( [ x, alpha, start, end ] ); + t.strictEqual( actual, x, 'returns expected value' ); + + expected = new Float64Array( [ 0.0, 0.0, 0.0, 0.0 ] ); + t.strictEqual( isSameFloat64Array( getData( actual ), expected ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'if a resolved starting index is greater than or equal to a resolved ending index, the function returns the input ndarray unchanged', function test( t ) { + var expected; + var actual; + var alpha; + var start; + var xbuf; + var end; + var x; + + xbuf = new Float64Array( [ NaN, NaN, NaN, NaN ] ); + x = vector( xbuf, 4, 1, 0 ); + alpha = scalar2ndarray( 0.0, { + 'dtype': 'float64' + }); + expected = new Float64Array( [ NaN, NaN, NaN, NaN ] ); + + start = scalar2ndarray( 2, { + 'dtype': 'generic' + }); + end = scalar2ndarray( 2, { + 'dtype': 'generic' + }); + actual = dfillNaN( [ x, alpha, start, end ] ); + t.strictEqual( actual, x, 'returns expected value' ); + t.strictEqual( isSameFloat64Array( getData( actual ), expected ), true, 'returns expected value' ); + + start = scalar2ndarray( 3, { + 'dtype': 'generic' + }); + end = scalar2ndarray( 1, { + 'dtype': 'generic' + }); + actual = dfillNaN( [ x, alpha, start, end ] ); + t.strictEqual( actual, x, 'returns expected value' ); + t.strictEqual( isSameFloat64Array( getData( actual ), expected ), true, 'returns expected value' ); + + start = scalar2ndarray( 5, { + 'dtype': 'generic' + }); + end = scalar2ndarray( 4, { + 'dtype': 'generic' + }); + actual = dfillNaN( [ x, alpha, start, end ] ); + t.strictEqual( actual, x, 'returns expected value' ); + t.strictEqual( isSameFloat64Array( getData( actual ), expected ), true, 'returns expected value' ); + + start = scalar2ndarray( 0, { + 'dtype': 'generic' + }); + end = scalar2ndarray( -10, { + 'dtype': 'generic' + }); + actual = dfillNaN( [ x, alpha, start, end ] ); + t.strictEqual( actual, x, 'returns expected value' ); + t.strictEqual( isSameFloat64Array( getData( actual ), expected ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function supports specifying a fill range for an input ndarray having a non-unit stride', function test( t ) { + var expected; + var actual; + var alpha; + var start; + var xbuf; + var end; + var x; + + xbuf = new Float64Array( [ NaN, -2.0, NaN, 4.0 ] ); + x = vector( xbuf, 2, 2, 0 ); + alpha = scalar2ndarray( 0.0, { + 'dtype': 'float64' + }); + start = scalar2ndarray( 1, { + 'dtype': 'generic' + }); + end = scalar2ndarray( 2, { + 'dtype': 'generic' + }); + + actual = dfillNaN( [ x, alpha, start, end ] ); + t.strictEqual( actual, x, 'returns expected value' ); + + expected = new Float64Array( [ NaN, -2.0, 0.0, 4.0 ] ); + t.strictEqual( isSameFloat64Array( getData( actual ), expected ), true, 'returns expected value' ); + + t.end(); +}); + tape( 'if none of the elements are equal to `NaN`, the function returns the input ndarray unchanged', function test( t ) { var expected; var actual; var alpha; + var start; var xbuf; + var end; var x; xbuf = new Float64Array( [ 1.0, 2.0, 3.0, 4.0 ] ); @@ -154,8 +427,14 @@ tape( 'if none of the elements are equal to `NaN`, the function returns the inpu alpha = scalar2ndarray( 0.0, { 'dtype': 'float64' }); + start = scalar2ndarray( 0, { + 'dtype': 'generic' + }); + end = scalar2ndarray( 4, { + 'dtype': 'generic' + }); - actual = dfillNaN( [ x, alpha ] ); + actual = dfillNaN( [ x, alpha, start, end ] ); t.strictEqual( actual, x, 'returns expected value' ); expected = new Float64Array( [ 1.0, 2.0, 3.0, 4.0 ] ); @@ -168,7 +447,9 @@ tape( 'the function returns the input ndarray unchanged when the input ndarray i var expected; var actual; var alpha; + var start; var xbuf; + var end; var x; xbuf = new Float64Array( [] ); @@ -176,8 +457,14 @@ tape( 'the function returns the input ndarray unchanged when the input ndarray i alpha = scalar2ndarray( 0.0, { 'dtype': 'float64' }); + start = scalar2ndarray( 0, { + 'dtype': 'generic' + }); + end = scalar2ndarray( 0, { + 'dtype': 'generic' + }); - actual = dfillNaN( [ x, alpha ] ); + actual = dfillNaN( [ x, alpha, start, end ] ); t.strictEqual( actual, x, 'returns expected value' ); expected = new Float64Array( [] );