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Author: stdlib-bot

CHANGELOG.md

@@ -4,12 +4,13 @@
 
 <section class="release" id="unreleased">
 
-## Unreleased (2026-09-23)
+## Unreleased (2026-09-24)
 
 <section class="features">
 
 ### Features
 
+-   [`13dd490`](https://github.com/stdlib-js/stdlib/commit/13dd4907d9a897cffce419ff738b46f74708d19b) - add float16 dtype support to `ndarray/base/ones-like` [(#15494)](https://github.com/stdlib-js/stdlib/pull/15494)
 -   [`123c0ed`](https://github.com/stdlib-js/stdlib/commit/123c0edfad02840cbe876c40338841990f426836) - add float16 dtype support to `ndarray/base/nans-like` [(#15449)](https://github.com/stdlib-js/stdlib/pull/15449)
 -   [`91244cd`](https://github.com/stdlib-js/stdlib/commit/91244cd87e3d571a51ffd1de7a793ebcbec83147) - add float16 dtype support to `ndarray/base/full` [(#15429)](https://github.com/stdlib-js/stdlib/pull/15429)
 -   [`2283ae0`](https://github.com/stdlib-js/stdlib/commit/2283ae09157f485a937f0aa62b91f3a56a112b9b) - add float16 dtype support to `ndarray/base/ones` [(#15432)](https://github.com/stdlib-js/stdlib/pull/15432)
@@ -122,6 +123,7 @@ A total of 4 issues were closed in this release:
 
 <details>
 
+-   [`13dd490`](https://github.com/stdlib-js/stdlib/commit/13dd4907d9a897cffce419ff738b46f74708d19b) - **feat:** add float16 dtype support to `ndarray/base/ones-like` [(#15494)](https://github.com/stdlib-js/stdlib/pull/15494) _(by Samarth Kolarkar)_
 -   [`123c0ed`](https://github.com/stdlib-js/stdlib/commit/123c0edfad02840cbe876c40338841990f426836) - **feat:** add float16 dtype support to `ndarray/base/nans-like` [(#15449)](https://github.com/stdlib-js/stdlib/pull/15449) _(by Samarth Kolarkar)_
 -   [`91244cd`](https://github.com/stdlib-js/stdlib/commit/91244cd87e3d571a51ffd1de7a793ebcbec83147) - **feat:** add float16 dtype support to `ndarray/base/full` [(#15429)](https://github.com/stdlib-js/stdlib/pull/15429) _(by Samarth Kolarkar)_
 -   [`2283ae0`](https://github.com/stdlib-js/stdlib/commit/2283ae09157f485a937f0aa62b91f3a56a112b9b) - **feat:** add float16 dtype support to `ndarray/base/ones` [(#15432)](https://github.com/stdlib-js/stdlib/pull/15432) _(by Samarth Kolarkar)_

base/ones-like/benchmark/benchmark.js

@@ -74,6 +74,28 @@ bench( format( '%s::base:dtype=float32', pkg ), function benchmark( b ) {
 	b.end();
 });
 
+bench( format( '%s::base:dtype=float16', pkg ), function benchmark( b ) {
+	var x;
+	var y;
+	var i;
+
+	x = ones( 'float16', [ 0 ], 'row-major' );
+
+	b.tic();
+	for ( i = 0; i < b.iterations; i++ ) {
+		y = onesLike( x );
+		if ( y.length !== 0 ) {
+			b.fail( 'should have length 0' );
+		}
+	}
+	b.toc();
+	if ( !isndarrayLike( y ) ) {
+		b.fail( 'should return an ndarray' );
+	}
+	b.pass( 'benchmark finished' );
+	b.end();
+});
+
 bench( format( '%s::base:dtype=complex128', pkg ), function benchmark( b ) {
 	var x;
 	var y;

base/ones-like/benchmark/benchmark.size.float16.js

@@ -0,0 +1,96 @@
+/**
+* @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 isndarrayLike = require( '@stdlib/assert/is-ndarray-like' );
+var ones = require( './../../../base/ones' );
+var format = require( '@stdlib/string/format' );
+var pkg = require( './../package.json' ).name;
+var onesLike = require( './../lib' );
+
+
+// FUNCTIONS //
+
+/**
+* Creates a benchmark function.
+*
+* @private
+* @param {PositiveInteger} len - array length
+* @returns {Function} benchmark function
+*/
+function createBenchmark( len ) {
+	var x = ones( 'float16', [ len ], 'row-major' );
+	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 = onesLike( x );
+			if ( arr.length !== len ) {
+				b.fail( 'unexpected length' );
+			}
+		}
+		b.toc();
+		if ( !isndarrayLike( arr ) ) {
+			b.fail( 'should return an ndarray' );
+		}
+		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::base:dtype=float16,size=%d', pkg, len ), f );
+	}
+}
+
+main();

base/ones-like/docs/types/test.ts

@@ -29,6 +29,7 @@ import onesLike = require( './index' );
 
 	onesLike( ones( 'float64', sh, ord ) ); // $ExpectType float64ndarray
 	onesLike( ones( 'float32', sh, ord ) ); // $ExpectType float32ndarray
+	onesLike( ones( 'float16', sh, ord ) ); // $ExpectType float16ndarray
 	onesLike( ones( 'complex128', sh, ord ) ); // $ExpectType complex128ndarray
 	onesLike( ones( 'complex64', sh, ord ) ); // $ExpectType complex64ndarray
 	onesLike( ones( 'int32', sh, ord ) ); // $ExpectType int32ndarray

base/ones-like/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' );
@@ -178,6 +179,50 @@ tape( 'the function returns a ones-filled array (dtype=float32, non-base)', func
 	t.end();
 });
 
+tape( 'the function returns a ones-filled array (dtype=float16, base)', function test( t ) {
+	var expected;
+	var arr;
+	var x;
+
+	expected = new Float16Array( [ 1.0, 1.0, 1.0, 1.0 ] );
+
+	x = ones( 'float16', [ 2, 2 ], 'row-major' );
+	arr = onesLike( x );
+
+	t.strictEqual( instanceOf( arr, base ), true, 'returns expected value' );
+	t.strictEqual( String( getDType( arr ) ), 'float16', 'returns expected value' );
+	t.deepEqual( getShape( arr ), [ 2, 2 ], 'returns expected value' );
+	t.strictEqual( instanceOf( getData( arr ), Float16Array ), true, 'returns expected value' );
+	t.deepEqual( getData( arr ), expected, 'returns expected value' );
+	t.strictEqual( getOrder( arr ), 'row-major', 'returns expected value' );
+
+	t.end();
+});
+
+tape( 'the function returns a ones-filled array (dtype=float16, non-base)', function test( t ) {
+	var expected;
+	var arr;
+	var x;
+
+	expected = new Float16Array( [ 1.0, 1.0, 1.0, 1.0 ] );
+
+	x = array( new Float16Array( 4 ), {
+		'shape': [ 2, 2 ],
+		'dtype': 'float16',
+		'order': 'column-major'
+	});
+	arr = onesLike( x );
+
+	t.strictEqual( instanceOf( arr, ndarray ), true, 'returns expected value' );
+	t.strictEqual( String( getDType( arr ) ), 'float16', 'returns expected value' );
+	t.deepEqual( getShape( arr ), [ 2, 2 ], 'returns expected value' );
+	t.strictEqual( instanceOf( getData( arr ), Float16Array ), true, 'returns expected value' );
+	t.deepEqual( getData( arr ), expected, 'returns expected value' );
+	t.strictEqual( getOrder( arr ), 'column-major', 'returns expected value' );
+
+	t.end();
+});
+
 tape( 'the function returns a ones-filled array (dtype=int32, base)', function test( t ) {
 	var expected;
 	var arr;