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‎CHANGELOG.md‎

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### Features
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- [`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)
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- [`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)
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- [`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)
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- [`19ba44c`](https://github.com/stdlib-js/stdlib/commit/19ba44c6719287a70a9127663ed554d1493c737b) - add float16 dtype support to `ndarray/base/full-by` [(#15433)](https://github.com/stdlib-js/stdlib/pull/15433)
@@ -121,6 +122,7 @@ A total of 4 issues were closed in this release:
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<details>
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- [`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)_
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- [`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)_
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- [`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)_
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- [`19ba44c`](https://github.com/stdlib-js/stdlib/commit/19ba44c6719287a70a9127663ed554d1493c737b) - **feat:** add float16 dtype support to `ndarray/base/full-by` [(#15433)](https://github.com/stdlib-js/stdlib/pull/15433) _(by Samarth Kolarkar)_

‎base/nans-like/README.md‎

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@@ -91,6 +91,7 @@ var nansLike = require( '@stdlib/ndarray/base/nans-like' );
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var dt = [
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'float64',
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'float32',
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'float16',
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'complex128',
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'complex64',
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'generic'

‎base/nans-like/benchmark/benchmark.js‎

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

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

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/**
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* @license Apache-2.0
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*
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* Copyright (c) 2026 The Stdlib Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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'use strict';
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// MODULES //
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var bench = require( '@stdlib/bench' );
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var pow = require( '@stdlib/math/base/special/pow' );
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var isndarrayLike = require( '@stdlib/assert/is-ndarray-like' );
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var ones = require( './../../../base/ones' );
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var format = require( '@stdlib/string/format' );
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var pkg = require( './../package.json' ).name;
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var nansLike = require( './../lib' );
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// FUNCTIONS //
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/**
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* Creates a benchmark function.
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*
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* @private
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* @param {PositiveInteger} len - array length
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* @returns {Function} benchmark function
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*/
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function createBenchmark( len ) {
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var x = ones( 'float16', [ len ], 'row-major' );
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return benchmark;
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/**
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* Benchmark function.
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*
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* @private
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* @param {Benchmark} b - benchmark instance
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*/
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function benchmark( b ) {
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var arr;
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var i;
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b.tic();
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for ( i = 0; i < b.iterations; i++ ) {
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arr = nansLike( x );
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if ( arr.length !== len ) {
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b.fail( 'unexpected length' );
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}
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}
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b.toc();
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if ( !isndarrayLike( arr ) ) {
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b.fail( 'should return an ndarray' );
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}
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b.pass( 'benchmark finished' );
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b.end();
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}
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}
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// MAIN //
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/**
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* Main execution sequence.
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*
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* @private
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*/
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function main() {
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var len;
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var min;
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var max;
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var f;
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var i;
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min = 1; // 10^min
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max = 6; // 10^max
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for ( i = min; i <= max; i++ ) {
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len = pow( 10, i );
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f = createBenchmark( len );
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bench( format( '%s:dtype=float16,size=%d', pkg, len ), f );
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}
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}
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main();

‎base/nans-like/docs/types/test.ts‎

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nansLike( ones( 'float64', sh, ord ) ); // $ExpectType float64ndarray
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nansLike( ones( 'float32', sh, ord ) ); // $ExpectType float32ndarray
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nansLike( ones( 'float16', sh, ord ) ); // $ExpectType float16ndarray
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nansLike( ones( 'complex128', sh, ord ) ); // $ExpectType complex128ndarray
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nansLike( ones( 'complex64', sh, ord ) ); // $ExpectType complex64ndarray
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nansLike( ones( 'generic', sh, ord ) ); // $ExpectType genericndarray<number>

‎base/nans-like/examples/index.js‎

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var dt = [
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'float64',
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'float32',
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'float16',
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'complex128',
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'complex64',
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'generic'

‎base/nans-like/test/test.js‎

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var isSameComplex64Array = require( '@stdlib/assert/is-same-complex64array' );
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var isSameFloat64Array = require( '@stdlib/assert/is-same-float64array' );
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var isSameFloat32Array = require( '@stdlib/assert/is-same-float32array' );
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var isSameFloat16Array = require( '@stdlib/assert/is-same-float16array' );
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var isSameArray = require( '@stdlib/assert/is-same-array' );
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var Float64Array = require( '@stdlib/array/float64' );
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var Float32Array = require( '@stdlib/array/float32' );
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var Float16Array = require( '@stdlib/array/float16' );
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var Complex64Array = require( '@stdlib/array/complex64' );
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var Complex128Array = require( '@stdlib/array/complex128' );
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var instanceOf = require( '@stdlib/assert/instance-of' );
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t.end();
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});
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tape( 'the function returns a NaN-filled array (dtype=float16, base)', function test( t ) {
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var expected;
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var arr;
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var x;
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expected = new Float16Array( [ NaN, NaN, NaN, NaN ] );
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x = ones( 'float16', [ 2, 2 ], 'row-major' );
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arr = nansLike( x );
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t.strictEqual( instanceOf( arr, base ), true, 'returns expected value' );
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t.strictEqual( String( getDType( arr ) ), 'float16', 'returns expected value' );
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t.deepEqual( getShape( arr ), [ 2, 2 ], 'returns expected value' );
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t.strictEqual( isSameFloat16Array( getData( arr ), expected ), true, 'returns expected value' );
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t.strictEqual( getOrder( arr ), 'row-major', 'returns expected value' );
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t.end();
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});
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tape( 'the function returns a NaN-filled array (dtype=float16, non-base)', function test( t ) {
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var expected;
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var arr;
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var x;
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expected = new Float16Array( [ NaN, NaN, NaN, NaN ] );
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x = array( new Float16Array( 4 ), {
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'shape': [ 2, 2 ],
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'dtype': 'float16',
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'order': 'column-major'
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});
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arr = nansLike( x );
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t.strictEqual( instanceOf( arr, ndarray ), true, 'returns expected value' );
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t.strictEqual( String( getDType( arr ) ), 'float16', 'returns expected value' );
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t.deepEqual( getShape( arr ), [ 2, 2 ], 'returns expected value' );
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t.strictEqual( isSameFloat16Array( getData( arr ), expected ), true, 'returns expected value' );
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t.strictEqual( getOrder( arr ), 'column-major', 'returns expected value' );
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t.end();
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});
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tape( 'the function returns a NaN-filled array (dtype=complex128, base)', function test( t ) {
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var expected;
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var arr;

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