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feat: add math/base/special/minmaxabsf
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‎lib/node_modules/@stdlib/math/base/special/minmaxabsf/README.md

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<!--
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@license Apache-2.0
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Copyright (c) 2025 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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# minmaxabsf
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> Return the minimum and maximum absolute values of two single-precision floating-point numbers.
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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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<!-- Package usage documentation. -->
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<section class="usage">
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## Usage
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```javascript
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var minmaxabsf = require( '@stdlib/math/base/special/minmaxabsf' );
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```
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#### minmaxabsf( x, y )
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Returns the minimum and maximum absolute values of two single-precision floating-point numbers in a single pass.
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```javascript
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var v = minmaxabsf( 4.2, 3.14 );
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// returns [ 3.14, 4.2 ]
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v = minmaxabsf( +0.0, -0.0 );
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// returns [ 0.0, 0.0 ]
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```
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If any argument is `NaN`, the function returns `NaN` for both the minimum value and the maximum value.
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```javascript
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var v = minmaxabsf( 4.2, NaN );
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// returns [ NaN, NaN ]
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v = minmaxabsf( NaN, 3.14 );
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// returns [ NaN, NaN ]
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```
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#### minmaxabsf.assign( x, y, out, stride, offset )
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Returns the minimum and maximum absolute values of two single-precision floating-point numbers in a single pass and assigns results to a provided output array.
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```javascript
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var Float32Array = require( '@stdlib/array/float32' );
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var out = new Float32Array( 2 );
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var v = minmaxabsf.assign( 5.0, -2.0, out, 1, 0 );
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// returns <Float32Array>[ 2.0, 5.0 ]
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var bool = ( v === out );
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// returns true
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```
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</section>
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<!-- /.usage -->
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<!-- Package 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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<!-- Package usage examples. -->
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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 randu = require( '@stdlib/random/base/randu' );
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var minmaxabsf = require( '@stdlib/math/base/special/minmaxabsf' );
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var x;
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var y;
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var v;
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var i;
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for ( i = 0; i < 100; i++ ) {
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x = ( randu()*100.0 ) - 50.0;
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y = ( randu()*100.0 ) - 50.0;
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v = minmaxabsf( x, y );
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console.log( 'minmaxabsf(%d,%d) = [%d, %d]', x, y, v[0], v[1] );
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}
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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/minmaxabsf.h"
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```
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#### stdlib_base_minmaxabsf( x, y, &min, &max )
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Evaluates the minimum and maximum absolute values of two single-precision floating-point numbers in a single pass.
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```c
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float x = -3.14f;
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float y = 2.71f;
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float min;
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float max;
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stdlib_base_minmaxabsf( x, y, &min, &max );
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```
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The function accepts the following arguments:
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- **x**: `[in] float` first number.
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- **y**: `[in] float` second number.
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- **min**: `[out] float` destination for the minimum absolute value.
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- **max**: `[out] float` destination for the maximum absolute value.
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```c
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void stdlib_base_minmaxabsf( const float x, const float y, float* min, float* max );
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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/minmaxabsf.h"
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#include <stdio.h>
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int main( void ) {
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const float x[] = { 1.0f, 0.45f, -0.89f, 0.0f / 0.0f, -0.78f, -0.22f, 0.66f, 0.11f, -0.55f, 0.0f };
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const float y[] = { -0.22f, 0.66f, 0.0f, -0.55f, 0.33f, 1.0f, 0.0f / 0.0f, 0.11f, 0.45f, -0.78f };
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float min;
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float max;
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int i;
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for ( i = 0; i < 10; i++ ) {
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stdlib_base_minmaxabsf( x[ i ], y[ i ], &min, &max );
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printf( "x: %f, y: %f => min: %f, max: %f\n", x[ i ], y[ i ], min, max );
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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 to include cited references. If references are included, add a horizontal rule *before* the section. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
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<section class="references">
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</section>
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<!-- /.references -->
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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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</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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<!-- <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/minmaxabsf/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) 2025 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 isArray = require( '@stdlib/assert/is-array' );
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var minabsf = require( '@stdlib/math/base/special/minabsf' );
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var maxabsf = require( '@stdlib/math/base/special/maxabsf' );
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var pkg = require( './../package.json' ).name;
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var minmaxabsf = 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 z;
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var i;
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x = uniform( 100, -500.0, 500.0, {
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'dtype': 'float32'
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});
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y = uniform( 100, -500.0, 500.0, {
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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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z = minmaxabsf( x[ i%x.length ], y[ i%y.length ] );
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if ( z.length !== 2 ) {
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b.fail( 'should have expected length' );
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}
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}
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b.toc();
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if ( !isArray( z ) ) {
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b.fail( 'should return an array' );
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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( pkg+':assign', function benchmark( b ) {
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var out;
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var x;
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var y;
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var z;
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var i;
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x = uniform( 100, -500.0, 500.0, {
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'dtype': 'float32'
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});
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y = uniform( 100, -500.0, 500.0, {
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'dtype': 'float32'
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});
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out = [ 0.0, 0.0 ];
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b.tic();
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for ( i = 0; i < b.iterations; i++ ) {
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z = minmaxabsf.assign( x[ i%x.length ], y[ i%y.length ], out, 1, 0 );
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if ( z.length !== 2 ) {
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b.fail( 'should have expected length' );
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}
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}
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b.toc();
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if ( !isArray( z ) ) {
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b.fail( 'should return an array' );
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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( pkg+'::minabsf,maxabsf', function benchmark( b ) {
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var x;
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var y;
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var z;
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var i;
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x = uniform( 100, -500.0, 500.0, {
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'dtype': 'float32'
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});
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y = uniform( 100, -500.0, 500.0, {
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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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z = [ minabsf( x[ i%x.length ], y[ i%y.length ] ), maxabsf( x, y ) ];
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if ( z.length !== 2 ) {
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b.fail( 'should have expected length' );
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}
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}
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b.toc();
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if ( !isArray( z ) ) {
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b.fail( 'should return an array' );
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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( pkg+'::minabsf,maxabsf,memory_reuse', function benchmark( b ) {
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var x;
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var y;
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var z;
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var i;
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x = uniform( 100, -500.0, 500.0, {
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'dtype': 'float32'
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});
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y = uniform( 100, -500.0, 500.0, {
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'dtype': 'float32'
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});
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z = [ 0.0, 0.0 ];
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b.tic();
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for ( i = 0; i < b.iterations; i++ ) {
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z[ 0 ] = minabsf( x[ i%x.length ], y[ i%y.length ] );
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z[ 1 ] = maxabsf( x[ i%x.length ], y[ i%y.length ] );
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if ( z.length !== 2 ) {
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b.fail( 'should have expected length' );
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}
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}
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b.toc();
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if ( !isArray( z ) ) {
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b.fail( 'should return an array' );
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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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