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Merge branch 'stdlib-js:develop' into blas/base
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‎lib/node_modules/@stdlib/_tools/README.md‎

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<!-- /.intro -->
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<section class="usage">
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## Usage
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```javascript
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var tools = require( '@stdlib/_tools' );
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```
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#### tools
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Namespace containing project development utilities.
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```javascript
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var ns = tools;
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// returns null
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```
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</section>
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<!-- /.usage -->
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<section class="examples">
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## Examples
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```javascript
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var tools = require( '@stdlib/_tools' );
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console.log( tools );
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// => null
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```
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</section>
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<!-- /.examples -->
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<!-- Section for related `stdlib` packages. Do not manually edit this section, as it is automatically populated. -->
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<section class="related">

‎lib/node_modules/@stdlib/_tools/eslint/rules/README.md‎

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- <span class="signature">[`no-dynamic-exports`][@stdlib/_tools/eslint/rules/no-dynamic-exports]</span><span class="delimiter">: </span><span class="description">ESLint rule enforcing that only statically analyzable values are exported.</span>
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- <span class="signature">[`no-dynamic-require`][@stdlib/_tools/eslint/rules/no-dynamic-require]</span><span class="delimiter">: </span><span class="description">ESLint rule enforcing that `require()` calls have only string literals as arguments.</span>
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- <span class="signature">[`no-empty-comments`][@stdlib/_tools/eslint/rules/no-empty-comments]</span><span class="delimiter">: </span><span class="description">ESLint rule to disallow empty comments.</span>
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- <span class="signature">[`no-empty-lines-between-requires`][@stdlib/_tools/eslint/rules/no-empty-lines-between-requires]</span><span class="delimiter">: </span><span class="description">ESLint rule to enforce no empty lines between module-level require statements.</span>
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- <span class="signature">[`no-error-string-concat`][@stdlib/_tools/eslint/rules/no-error-string-concat]</span><span class="delimiter">: </span><span class="description">ESLint rule disallowing string concatenation in error messages.</span>
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- <span class="signature">[`no-immediate-require`][@stdlib/_tools/eslint/rules/no-immediate-require]</span><span class="delimiter">: </span><span class="description">ESLint rule enforcing that `require()` expressions are not immediately invoked.</span>
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- <span class="signature">[`no-internal-require`][@stdlib/_tools/eslint/rules/no-internal-require]</span><span class="delimiter">: </span><span class="description">ESLint rule disallowing `require()` calls into internals of another stdlib package.</span>
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[@stdlib/_tools/eslint/rules/no-empty-comments]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/_tools/eslint/rules/no-empty-comments
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[@stdlib/_tools/eslint/rules/no-empty-lines-between-requires]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/_tools/eslint/rules/no-empty-lines-between-requires
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[@stdlib/_tools/eslint/rules/no-error-string-concat]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/_tools/eslint/rules/no-error-string-concat
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[@stdlib/_tools/eslint/rules/no-immediate-require]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/_tools/eslint/rules/no-immediate-require

‎lib/node_modules/@stdlib/complex/float64/base/README.md‎

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<div class="namespace-toc">
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- <span class="signature">[`add( z1, z2 )`][@stdlib/complex/float64/base/add]</span><span class="delimiter">: </span><span class="description">add two double-precision complex floating-point numbers.</span>
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- <span class="signature">[`add3( z1, z2, z3 )`][@stdlib/complex/float64/base/add3]</span><span class="delimiter">: </span><span class="description">compute the sum of three double-precision complex floating-point numbers.</span>
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- <span class="signature">[`div( z1, z2 )`][@stdlib/complex/float64/base/div]</span><span class="delimiter">: </span><span class="description">divide two double-precision complex floating-point numbers.</span>
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- <span class="signature">[`identity( z )`][@stdlib/complex/float64/base/identity]</span><span class="delimiter">: </span><span class="description">evaluate the identity function of a double-precision complex floating-point number.</span>
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- <span class="signature">[`muladd( alpha, x, y )`][@stdlib/complex/float64/base/mul-add]</span><span class="delimiter">: </span><span class="description">perform a multiply-add operation involving three double-precision complex floating-point numbers.</span>
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[@stdlib/complex/float64/base/add]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/complex/float64/base/add
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[@stdlib/complex/float64/base/add3]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/complex/float64/base/add3
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[@stdlib/complex/float64/base/div]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/complex/float64/base/div
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[@stdlib/complex/float64/base/identity]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/complex/float64/base/identity

‎lib/node_modules/@stdlib/math/base/special/acothf/README.md‎

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<!--
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@license Apache-2.0
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Copyright (c) 2026 The Stdlib Authors.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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# acothf
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> Compute the [inverse hyperbolic cotangent][hyperbolic-arctangent] of a single-precision floating-point number.
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<section class="usage">
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## Usage
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```javascript
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var acothf = require( '@stdlib/math/base/special/acothf' );
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```
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#### acothf( x )
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Computes the [inverse hyperbolic cotangent][hyperbolic-arctangent] of a single-precision floating-point number.
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```javascript
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var v = acothf( 2.0 );
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// returns ~0.5493
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v = acothf( 1.0 );
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// returns Infinity
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```
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The domain of the inverse hyperbolic cotangent is the union of the intervals `(-inf,-1]` and `[1,inf)`. If provided a value on the open interval `(-1,1)`, the function returns `NaN`.
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```javascript
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var v = acothf( 0.0 );
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// returns NaN
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v = acothf( 0.5 );
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// returns NaN
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```
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</section>
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<!-- /.usage -->
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<section class="examples">
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## Examples
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<!-- eslint no-undef: "error" -->
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```javascript
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var uniform = require( '@stdlib/random/array/uniform' );
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var logEachMap = require( '@stdlib/console/log-each-map' );
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var acothf = require( '@stdlib/math/base/special/acothf' );
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var x = uniform( 100, 1.0, 5.0, {
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'dtype': 'float32'
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});
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logEachMap( 'acothf(%0.4f) = %0.4f', x, acothf );
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```
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</section>
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<!-- /.examples -->
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<!-- C interface documentation. -->
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* * *
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<section class="c">
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## C APIs
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<!-- Section to include introductory text. Make sure to keep an empty line after the intro `section` element and another before the `/section` close. -->
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<section class="intro">
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</section>
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<!-- /.intro -->
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<!-- C usage documentation. -->
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<section class="usage">
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### Usage
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```c
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#include "stdlib/math/base/special/acothf.h"
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```
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#### stdlib_base_acothf( x )
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Computes the [inverse hyperbolic cotangent][hyperbolic-arctangent] of a single-precision floating-point number.
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```c
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float out = stdlib_base_acothf( 2.0f );
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// returns ~0.5493f
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```
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The function accepts the following arguments:
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- **x**: `[in] float` input value.
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```c
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float stdlib_base_acothf( const float x );
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```
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</section>
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<!-- /.usage -->
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<!-- C API usage notes. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
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<section class="notes">
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</section>
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<!-- /.notes -->
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<!-- C API usage examples. -->
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<section class="examples">
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### Examples
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```c
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#include "stdlib/math/base/special/acothf.h"
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#include <stdio.h>
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int main( void ) {
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const float x[] = { 1.0f, 1.44f, 1.89f, 2.33f, 2.78f, 3.22f, 3.67f, 4.11f, 4.56f, 5.0f };
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float v;
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int i;
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for ( i = 0; i < 10; i++ ) {
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v = stdlib_base_acothf( x[ i ] );
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printf( "acothf(%f) = %f\n", x[ i ], v );
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}
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}
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```
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</section>
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<!-- /.examples -->
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</section>
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<!-- /.c -->
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<!-- Section for related `stdlib` packages. Do not manually edit this section, as it is automatically populated. -->
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<section class="related">
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* * *
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## See Also
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</section>
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<!-- /.related -->
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<!-- Section for all links. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
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<section class="links">
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[hyperbolic-arctangent]: https://en.wikipedia.org/wiki/Inverse_hyperbolic_function
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<!-- <related-links> -->
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<!-- </related-links> -->
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</section>
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<!-- /.links -->

‎lib/node_modules/@stdlib/math/base/special/acothf/benchmark/benchmark.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 uniform = require( '@stdlib/random/array/uniform' );
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var isnanf = require( '@stdlib/math/base/assert/is-nanf' );
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var pkg = require( './../package.json' ).name;
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var acothf = require( './../lib' );
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// MAIN //
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bench( 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 = uniform( 100, 1.1, 100.0, {
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'dtype': 'float32'
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});
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b.tic();
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for ( i = 0; i < b.iterations; i++ ) {
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y = acothf( x[ i % x.length ] );
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if ( isnanf( y ) ) {
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b.fail( 'should not return NaN' );
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}
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}
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b.toc();
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if ( isnanf( y ) ) {
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b.fail( 'should not return NaN' );
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}
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b.pass( 'benchmark finished' );
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b.end();
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});

‎lib/node_modules/@stdlib/math/base/special/acothf/benchmark/benchmark.native.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 resolve = require( 'path' ).resolve;
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var bench = require( '@stdlib/bench' );
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var uniform = require( '@stdlib/random/array/uniform' );
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var isnanf = require( '@stdlib/math/base/assert/is-nanf' );
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var tryRequire = require( '@stdlib/utils/try-require' );
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var format = require( '@stdlib/string/format' );
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var pkg = require( './../package.json' ).name;
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// VARIABLES //
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var acothf = tryRequire( resolve( __dirname, './../lib/native.js' ) );
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var opts = {
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'skip': ( acothf instanceof Error )
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};
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// MAIN //
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bench( format( '%s::native', pkg ), opts, 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 = uniform( 100, 1.1, 100.0, {
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'dtype': 'float32'
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});
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b.tic();
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for ( i = 0; i < b.iterations; i++ ) {
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y = acothf( x[ i % x.length ] );
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if ( isnanf( y ) ) {
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b.fail( 'should not return NaN' );
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}
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}
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b.toc();
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if ( isnanf( y ) ) {
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b.fail( 'should not return NaN' );
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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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