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CHANGELOG.md

@@ -10,6 +10,28 @@
 
 ### Packages
 
+<section class="package" id="math-base-special-acotdf-unreleased">
+
+#### [@stdlib/math/base/special/acotdf](https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/math/base/special/acotdf)
+
+<details>
+
+<section class="features">
+
+##### Features
+
+-   [`50b38f9`](https://github.com/stdlib-js/stdlib/commit/50b38f941b50a3f71b531d965c7312d4c6932f84) - add `math/base/special/acotdf` [(#2799)](https://github.com/stdlib-js/stdlib/pull/2799)
+
+</section>
+
+<!-- /.features -->
+
+</details>
+
+</section>
+
+<!-- /.package -->
+
 <section class="package" id="math-base-special-maxf-unreleased">
 
 #### [@stdlib/math/base/special/maxf](https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/math/base/special/maxf)
@@ -77,6 +99,7 @@ A total of 2 people contributed to this release. Thank you to the following cont
 
 <details>
 
+-   [`50b38f9`](https://github.com/stdlib-js/stdlib/commit/50b38f941b50a3f71b531d965c7312d4c6932f84) - **feat:** add `math/base/special/acotdf` [(#2799)](https://github.com/stdlib-js/stdlib/pull/2799) _(by Gunj Joshi)_
 -   [`15878f9`](https://github.com/stdlib-js/stdlib/commit/15878f9056d9e0e4bae0411870655316bf68dff3) - **feat:** add `math/base/special/maxf` [(#2816)](https://github.com/stdlib-js/stdlib/pull/2816) _(by Gunj Joshi)_
 -   [`ef703d6`](https://github.com/stdlib-js/stdlib/commit/ef703d629af0fa6f4a34e697a26beea37dc7345c) - **feat:** add `math/base/special/minf` [(#2820)](https://github.com/stdlib-js/stdlib/pull/2820) _(by Gunj Joshi, Athan Reines)_
 -   [`0dd0377`](https://github.com/stdlib-js/stdlib/commit/0dd03776ccc026cb8682de5b0e48e9e3f215ea19) - **docs:** update namespace ToCs _(by Athan Reines)_

base/special/acotdf/README.md

@@ -0,0 +1,174 @@
+<!--
+
+@license Apache-2.0
+
+Copyright (c) 2024 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.
+
+-->
+
+# acotdf
+
+> Compute the [arccotangent][arccotangent] in degrees of a single-precision floating-point number.
+
+<section class="usage">
+
+## Usage
+
+```javascript
+var acotdf = require( '@stdlib/math/base/special/acotdf' );
+```
+
+#### acotdf( x )
+
+Computes the [arccotangent][arccotangent] (in degrees) of a single-precision floating-point number.
+
+```javascript
+var sqrtf = require( '@stdlib/math/base/special/sqrtf' );
+
+var v = acotdf( 0.0 );
+// returns 90.0
+
+v = acotdf( sqrtf( 3.0 ) );
+// returns ~30.0
+
+v = acotdf( 1.0 );
+// returns 45.0
+
+v = acotdf( sqrtf( 3.0 ) / 3.0 );
+// returns ~60.0
+
+v = acotdf( NaN );
+// returns NaN
+```
+
+</section>
+
+<!-- /.usage -->
+
+<section class="examples">
+
+## Examples
+
+<!-- eslint no-undef: "error" -->
+
+```javascript
+var linspace = require( '@stdlib/array/base/linspace' );
+var acotdf = require( '@stdlib/math/base/special/acotdf' );
+
+var x = linspace( -1.0, 1.0, 100 );
+
+var i;
+for ( i = 0; i < x.length; i++ ) {
+    console.log( acotdf( x[ i ] ) );
+}
+```
+
+</section>
+
+<!-- /.examples -->
+
+<!-- C usage documentation. -->
+
+<section class="usage">
+
+### Usage
+
+```c
+#include "stdlib/math/base/special/acotdf.h"
+```
+
+#### stdlib_base_acotdf( x )
+
+Computes the [arccotangent][arccotangent] (in degrees) of a single-precision floating-point number.
+
+```c
+float out = stdlib_base_acotdf( 0.0f );
+// returns 90.0f
+
+out = stdlib_base_acotdf( 3.0f );
+// returns ~30.0f
+```
+
+The function accepts the following arguments:
+
+-   **x**: `[in] float` input value.
+
+```c
+float stdlib_base_acotdf( const float x );
+```
+
+</section>
+
+<!-- /.usage -->
+
+<!-- C API usage notes. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
+
+<section class="notes">
+
+</section>
+
+<!-- /.notes -->
+
+<!-- C API usage examples. -->
+
+<section class="examples">
+
+### Examples
+
+```c
+#include "stdlib/math/base/special/acotdf.h"
+#include <stdio.h>
+
+int main( void ) {
+    const float x[] = { 1.0f, 1.45f, 1.89f, 2.33f, 2.78f, 3.22f, 3.66f, 4.11f, 4.55f, 5.0f };
+    
+    float v;
+    int i;
+    for ( i = 0; i < 10; i++ ) {
+        v = stdlib_base_acotdf( x[ i ] );
+        printf( "acotdf(%f) = %f\n", x[ i ], v );
+    }
+}
+```
+
+</section>
+
+<!-- /.examples -->
+
+</section>
+
+<!-- /.c -->
+
+<!-- Section for related `stdlib` packages. Do not manually edit this section, as it is automatically populated. -->
+
+<section class="related">
+
+</section>
+
+<!-- /.related -->
+
+<!-- Section for all links. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
+
+<section class="links">
+
+[arccotangent]: https://en.wikipedia.org/wiki/Inverse_trigonometric_functions
+
+<!-- <related-links> -->
+
+<!-- </related-links> -->
+
+</section>
+
+<!-- /.links -->

base/special/acotdf/benchmark/benchmark.js

@@ -0,0 +1,52 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2024 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 randu = require( '@stdlib/random/array/uniform' );
+var isnanf = require( './../../../../base/assert/is-nanf' );
+var pkg = require( './../package.json' ).name;
+var acotdf = require( './../lib' );
+
+
+// MAIN //
+
+bench( pkg, function benchmark( b ) {
+	var x;
+	var y;
+	var i;
+
+	x = randu( 100, -100.0, 100.0 );
+
+	b.tic();
+	for ( i = 0; i < b.iterations; i++ ) {
+		y = acotdf( x[ i % x.length ] );
+		if ( isnanf( y ) ) {
+			b.fail( 'should not return NaN' );
+		}
+	}
+	b.toc();
+	if ( isnanf( y ) ) {
+		b.fail( 'should not return NaN' );
+	}
+	b.pass( 'benchmark finished' );
+	b.end();
+});

base/special/acotdf/benchmark/benchmark.native.js

@@ -0,0 +1,61 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2024 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 resolve = require( 'path' ).resolve;
+var bench = require( '@stdlib/bench' );
+var randu = require( '@stdlib/random/array/uniform' );
+var isnanf = require( './../../../../base/assert/is-nanf' );
+var tryRequire = require( '@stdlib/utils/try-require' );
+var pkg = require( './../package.json' ).name;
+
+
+// VARIABLES //
+
+var acotdf = tryRequire( resolve( __dirname, './../lib/native.js' ) );
+var opts = {
+	'skip': ( acotdf instanceof Error )
+};
+
+
+// MAIN //
+
+bench( pkg+'::native', opts, function benchmark( b ) {
+	var x;
+	var y;
+	var i;
+
+	x = randu( 100, -100.0, 100.0 );
+
+	b.tic();
+	for ( i = 0; i < b.iterations; i++ ) {
+		y = acotdf( x[ i % x.length ] );
+		if ( isnanf( y ) ) {
+			b.fail( 'should not return NaN' );
+		}
+	}
+	b.toc();
+	if ( isnanf( y ) ) {
+		b.fail( 'should not return NaN' );
+	}
+	b.pass( 'benchmark finished' );
+	b.end();
+});