feat: add array/float16

PR-URL: stdlib-js#7435
Co-authored-by: Athan Reines <kgryte@gmail.com>
Reviewed-by: Athan Reines <kgryte@gmail.com>
Co-authored-by: Gururaj Gurram <gururajgurram1512@gmail.com>
Reviewed-by: Gururaj Gurram <gururajgurram1512@gmail.com>

Author: 3 people

lib/node_modules/@stdlib/array/float16/README.md

@@ -0,0 +1,79 @@
+/**
+* @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 isNumber = require( '@stdlib/assert/is-number' ).isPrimitive;
+var uniform = require( '@stdlib/random/array/uniform' );
+var format = require( '@stdlib/string/format' );
+var pkg = require( './../package.json' ).name;
+var Float16Array = require( './../lib' );
+
+
+// MAIN //
+
+bench( format( '%s::nonnegative_indices:at', pkg ), function benchmark( b ) {
+	var arr;
+	var N;
+	var v;
+	var i;
+
+	arr = new Float16Array( uniform( 10, 0.0, 10.0 ) );
+	N = arr.length;
+
+	b.tic();
+	for ( i = 0; i < b.iterations; i++ ) {
+		v = arr.at( i%N );
+		if ( typeof v !== 'number' ) {
+			b.fail( 'should return a number' );
+		}
+	}
+	b.toc();
+	if ( !isNumber( v ) ) {
+		b.fail( 'should return a number' );
+	}
+	b.pass( 'benchmark finished' );
+	b.end();
+});
+
+bench( format( '%s::negative_indices:at', pkg ), function benchmark( b ) {
+	var arr;
+	var N;
+	var v;
+	var i;
+
+	arr = new Float16Array( uniform( 10, 1.0, 10.0 ) );
+	N = arr.length;
+
+	b.tic();
+	for ( i = 0; i < b.iterations; i++ ) {
+		v = arr.at( -(i%N)-1 );
+		if ( typeof v !== 'number' ) {
+			b.fail( 'should return a number' );
+		}
+	}
+	b.toc();
+	if ( !isNumber( v ) ) {
+		b.fail( 'should return a number' );
+	}
+	b.pass( 'benchmark finished' );
+	b.end();
+});

lib/node_modules/@stdlib/array/float16/benchmark/benchmark.at.js

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+/**
+* @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 uniform = require( '@stdlib/random/array/uniform' );
+var format = require( '@stdlib/string/format' );
+var pkg = require( './../package.json' ).name;
+var Float16Array = require( './../lib' );
+
+
+// MAIN //
+
+bench( format( '%s:copyWithin', pkg ), function benchmark( b ) {
+	var arr;
+	var i;
+
+	arr = new Float16Array( uniform( 2, 0.0, 10.0 ) );
+
+	b.tic();
+	for ( i = 0; i < b.iterations; i++ ) {
+		arr[ 0 ] = i;
+		arr = arr.copyWithin( 1, 0 );
+		if ( arr[ 0 ] !== arr[ 0 ] ) {
+			b.fail( 'should not return NaN' );
+		}
+	}
+	b.toc();
+	if ( arr[ 0 ] !== arr[ 0 ] ) {
+		b.fail( 'should not return NaN' );
+	}
+	b.pass( 'benchmark finished' );
+	b.end();
+});

lib/node_modules/@stdlib/array/float16/benchmark/benchmark.copy_within.js

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+/**
+* @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 uniform = require( '@stdlib/random/array/uniform' );
+var format = require( '@stdlib/string/format' );
+var pkg = require( './../package.json' ).name;
+var Float16Array = require( './../lib' );
+
+
+// FUNCTIONS //
+
+/**
+* Creates a benchmark function.
+*
+* @private
+* @param {PositiveInteger} len - array length
+* @returns {Function} benchmark function
+*/
+function createBenchmark( len ) {
+	var arr = new Float16Array( uniform( len, 0.0, 10.0 ) );
+	return benchmark;
+
+	/**
+	* Benchmark function.
+	*
+	* @private
+	* @param {Benchmark} b - benchmark instance
+	*/
+	function benchmark( b ) {
+		var i;
+
+		b.tic();
+		for ( i = 0; i < b.iterations; i++ ) {
+			arr[ 0 ] = i;
+			arr = arr.copyWithin( 1, 0 );
+			if ( arr[ 0 ] !== arr[ 0 ] ) {
+				b.fail( 'should not return NaN' );
+			}
+		}
+		b.toc();
+		if ( arr[ 0 ] !== arr[ 0 ] ) {
+			b.fail( 'should not return NaN' );
+		}
+		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:copyWithin:len=%d', pkg, len ), f );
+	}
+}
+
+main();

lib/node_modules/@stdlib/array/float16/benchmark/benchmark.copy_within.length.js

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+/**
+* @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 uniform = require( '@stdlib/random/array/uniform' );
+var format = require( '@stdlib/string/format' );
+var pkg = require( './../package.json' ).name;
+var Float16Array = require( './../lib' );
+
+
+// MAIN //
+
+bench( format( '%s:entries', pkg ), function benchmark( b ) {
+	var iter;
+	var arr;
+	var i;
+
+	arr = new Float16Array( uniform( 2, 0.0, 10.0 ) );
+
+	b.tic();
+	for ( i = 0; i < b.iterations; i++ ) {
+		iter = arr.entries();
+		if ( typeof iter !== 'object' ) {
+			b.fail( 'should return an object' );
+		}
+	}
+	b.toc();
+	if ( typeof iter !== 'object' || typeof iter.next !== 'function' ) {
+		b.fail( 'should return an iterator protocol-compliant object' );
+	}
+	b.pass( 'benchmark finished' );
+	b.end();
+});

lib/node_modules/@stdlib/array/float16/benchmark/benchmark.entries.js

@@ -0,0 +1,83 @@
+/**
+* @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 isBoolean = require( '@stdlib/assert/is-boolean' ).isPrimitive;
+var uniform = require( '@stdlib/random/array/uniform' );
+var format = require( '@stdlib/string/format' );
+var pkg = require( './../package.json' ).name;
+var Float16Array = require( './../lib' );
+
+
+// MAIN //
+
+bench( format( '%s:every', pkg ), function benchmark( b ) {
+	var bool;
+	var arr;
+	var i;
+
+	arr = new Float16Array( uniform( 2, 0.0, 10.0 ) );
+
+	b.tic();
+	for ( i = 0; i < b.iterations; i++ ) {
+		bool = arr.every( predicate );
+		if ( typeof bool !== 'boolean' ) {
+			b.fail( 'should return a boolean' );
+		}
+	}
+	b.toc();
+	if ( !isBoolean( bool ) ) {
+		b.fail( 'should return a boolean' );
+	}
+	b.pass( 'benchmark finished' );
+	b.end();
+
+	function predicate( v ) {
+		return v >= 0.0;
+	}
+});
+
+bench( format( '%s::this_context:every', pkg ), function benchmark( b ) {
+	var bool;
+	var arr;
+	var i;
+
+	arr = new Float16Array( uniform( 2, 0.0, 10.0 ) );
+
+	b.tic();
+	for ( i = 0; i < b.iterations; i++ ) {
+		bool = arr.every( predicate, {} );
+		if ( typeof bool !== 'boolean' ) {
+			b.fail( 'should return a boolean' );
+		}
+	}
+	b.toc();
+	if ( !isBoolean( bool ) ) {
+		b.fail( 'should return a boolean' );
+	}
+	b.pass( 'benchmark finished' );
+	b.end();
+
+	function predicate( v ) {
+		return v >= 0.0;
+	}
+});