From 0f5ff7cf446135e3f0f8395da78aabb1b89e5afe Mon Sep 17 00:00:00 2001
From: stdlib-bot <noreply@stdlib.io>
Date: Sat, 24 Aug 2024 14:22:25 +0000
Subject: [PATCH] Auto-generated commit

---
 CHANGELOG.md                                  |  23 ++
 base/special/xlogyf/README.md                 | 200 ++++++++++++++++++
 base/special/xlogyf/benchmark/benchmark.js    |  54 +++++
 .../xlogyf/benchmark/benchmark.native.js      |  63 ++++++
 .../xlogyf/benchmark/c/native/Makefile        | 146 +++++++++++++
 .../xlogyf/benchmark/c/native/benchmark.c     | 138 ++++++++++++
 base/special/xlogyf/binding.gyp               | 170 +++++++++++++++
 base/special/xlogyf/docs/repl.txt             |  38 ++++
 base/special/xlogyf/docs/types/index.d.ts     |  61 ++++++
 base/special/xlogyf/docs/types/test.ts        |  56 +++++
 base/special/xlogyf/examples/c/Makefile       | 146 +++++++++++++
 base/special/xlogyf/examples/c/example.c      |  35 +++
 base/special/xlogyf/examples/index.js         |  35 +++
 base/special/xlogyf/include.gypi              |  53 +++++
 .../include/stdlib/math/base/special/xlogyf.h |  38 ++++
 base/special/xlogyf/lib/index.js              |  58 +++++
 base/special/xlogyf/lib/main.js               |  75 +++++++
 base/special/xlogyf/lib/native.js             |  52 +++++
 base/special/xlogyf/manifest.json             |  75 +++++++
 base/special/xlogyf/package.json              |  65 ++++++
 base/special/xlogyf/src/Makefile              |  70 ++++++
 base/special/xlogyf/src/addon.c               |  23 ++
 base/special/xlogyf/src/main.c                |  42 ++++
 .../test/fixtures/python/large_large.json     |   1 +
 .../test/fixtures/python/large_small.json     |   1 +
 .../xlogyf/test/fixtures/python/runner.py     |  87 ++++++++
 .../test/fixtures/python/small_large.json     |   1 +
 .../test/fixtures/python/small_small.json     |   1 +
 base/special/xlogyf/test/test.js              | 181 ++++++++++++++++
 base/special/xlogyf/test/test.native.js       | 190 +++++++++++++++++
 30 files changed, 2178 insertions(+)
 create mode 100644 base/special/xlogyf/README.md
 create mode 100644 base/special/xlogyf/benchmark/benchmark.js
 create mode 100644 base/special/xlogyf/benchmark/benchmark.native.js
 create mode 100644 base/special/xlogyf/benchmark/c/native/Makefile
 create mode 100644 base/special/xlogyf/benchmark/c/native/benchmark.c
 create mode 100644 base/special/xlogyf/binding.gyp
 create mode 100644 base/special/xlogyf/docs/repl.txt
 create mode 100644 base/special/xlogyf/docs/types/index.d.ts
 create mode 100644 base/special/xlogyf/docs/types/test.ts
 create mode 100644 base/special/xlogyf/examples/c/Makefile
 create mode 100644 base/special/xlogyf/examples/c/example.c
 create mode 100644 base/special/xlogyf/examples/index.js
 create mode 100644 base/special/xlogyf/include.gypi
 create mode 100644 base/special/xlogyf/include/stdlib/math/base/special/xlogyf.h
 create mode 100644 base/special/xlogyf/lib/index.js
 create mode 100644 base/special/xlogyf/lib/main.js
 create mode 100644 base/special/xlogyf/lib/native.js
 create mode 100644 base/special/xlogyf/manifest.json
 create mode 100644 base/special/xlogyf/package.json
 create mode 100644 base/special/xlogyf/src/Makefile
 create mode 100644 base/special/xlogyf/src/addon.c
 create mode 100644 base/special/xlogyf/src/main.c
 create mode 100644 base/special/xlogyf/test/fixtures/python/large_large.json
 create mode 100644 base/special/xlogyf/test/fixtures/python/large_small.json
 create mode 100644 base/special/xlogyf/test/fixtures/python/runner.py
 create mode 100644 base/special/xlogyf/test/fixtures/python/small_large.json
 create mode 100644 base/special/xlogyf/test/fixtures/python/small_small.json
 create mode 100644 base/special/xlogyf/test/test.js
 create mode 100644 base/special/xlogyf/test/test.native.js

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5d508637c..4d2978326 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -120,6 +120,28 @@
 
 <!-- /.package -->
 
+<section class="package" id="math-base-special-xlogyf-unreleased">
+
+#### [@stdlib/math/base/special/xlogyf](https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/math/base/special/xlogyf)
+
+<details>
+
+<section class="features">
+
+##### Features
+
+-   [`16c19b6`](https://github.com/stdlib-js/stdlib/commit/16c19b67c7452b3ae9755cc7ef2a5d2540ab1cf9) - add `math/base/special/xlogyf` [(#2813)](https://github.com/stdlib-js/stdlib/pull/2813)
+
+</section>
+
+<!-- /.features -->
+
+</details>
+
+</section>
+
+<!-- /.package -->
+
 </section>
 
 <!-- /.packages -->
@@ -144,6 +166,7 @@ A total of 3 people contributed to this release. Thank you to the following cont
 
 <details>
 
+-   [`16c19b6`](https://github.com/stdlib-js/stdlib/commit/16c19b67c7452b3ae9755cc7ef2a5d2540ab1cf9) - **feat:** add `math/base/special/xlogyf` [(#2813)](https://github.com/stdlib-js/stdlib/pull/2813) _(by Gunj Joshi)_
 -   [`71c43cf`](https://github.com/stdlib-js/stdlib/commit/71c43cf5165749e2ce2647cb52d92f6c97f16959) - **feat:** add `math/base/special/ldexpf` _(by Gunj Joshi, Philipp Burckhardt)_
 -   [`6c8f019`](https://github.com/stdlib-js/stdlib/commit/6c8f019db8adb12466250957693edb9830496a7b) - **feat:** add `math/base/special/logf` _(by Gunj Joshi, Philipp Burckhardt)_
 -   [`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)_
diff --git a/base/special/xlogyf/README.md b/base/special/xlogyf/README.md
new file mode 100644
index 000000000..b905abe83
--- /dev/null
+++ b/base/special/xlogyf/README.md
@@ -0,0 +1,200 @@
+<!--
+
+@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.
+
+-->
+
+# xlogyf
+
+> Compute `x * ln(y)` so that the result is `0` if `x = 0` for single-precision floating-point numbers `x` and `y`.
+
+<section class="usage">
+
+## Usage
+
+```javascript
+var xlogyf = require( '@stdlib/math/base/special/xlogyf' );
+```
+
+#### xlogyf( x, y )
+
+Computes `x * ln(y)` so that the result is `0` if `x = 0` for single-precision floating-point numbers `x` and `y`.
+
+```javascript
+var out = xlogyf( 3.0, 2.0 );
+// returns ~2.079
+
+out = xlogyf( 1.5, 5.9 );
+// returns ~2.662
+
+out = xlogyf( 0.9, 1.0 );
+// returns 0.0
+
+out = xlogyf( 0.0, -2.0 );
+// returns 0.0
+
+out = xlogyf( 1.5, NaN );
+// returns NaN
+
+out = xlogyf( 0.0, NaN );
+// returns NaN
+
+out = xlogyf( NaN, 2.3 );
+// returns NaN
+```
+
+</section>
+
+<!-- /.usage -->
+
+<section class="examples">
+
+## Examples
+
+<!-- eslint no-undef: "error" -->
+
+```javascript
+var randu = require( '@stdlib/random/base/randu' );
+var xlogyf = require( '@stdlib/math/base/special/xlogyf' );
+
+var x;
+var y;
+var i;
+
+for ( i = 0; i < 100; i++ ) {
+    x = randu();
+    if ( x < 0.5 ) {
+        x = 0.0;
+    }
+    y = ( randu() * 20.0 ) - 5.0;
+    console.log( 'xlogyf(%d, %d) = %d', x, y, xlogyf( x, y ) );
+}
+```
+
+</section>
+
+<!-- /.examples -->
+
+<!-- C interface documentation. -->
+
+* * *
+
+<section class="c">
+
+## C APIs
+
+<!-- Section to include introductory text. Make sure to keep an empty line after the intro `section` element and another before the `/section` close. -->
+
+<section class="intro">
+
+</section>
+
+<!-- /.intro -->
+
+<!-- C usage documentation. -->
+
+<section class="usage">
+
+### Usage
+
+```c
+#include "stdlib/math/base/special/xlogyf.h"
+```
+
+#### stdlib_base_xlogyf( x, y )
+
+Computes `x * ln(y)` so that the result is `0` if `x = 0` for single-precision floating-point numbers `x` and `y`.
+
+```c
+float v = stdlib_base_xlogyf( 3.0f, 2.0f );
+// returns ~2.079f
+```
+
+The function accepts the following arguments:
+
+-   **x**: `[in] float` input value.
+-   **y**: `[in] float` input value.
+
+```c
+float stdlib_base_xlogyf( const float x, const float y );
+```
+
+</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/xlogyf.h"
+#include <stdio.h>
+#include <stdlib.h>
+
+int main( void ) {
+    float out;
+    float x;
+    float y;
+    int i;
+
+    for ( i = 0; i < 100; i++ ) {
+        x = ( (float)rand() / (float)RAND_MAX ) * 100.0f;
+        y = ( (float)rand() / (float)RAND_MAX ) * 5.0f;
+        out = stdlib_base_xlogyf( x, y );
+        printf( "xlogyf(%f, %f) = %f\n", x, y, out );
+    }
+}
+```
+
+</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">
+
+<!-- <related-links> -->
+
+<!-- </related-links> -->
+
+</section>
+
+<!-- /.links -->
diff --git a/base/special/xlogyf/benchmark/benchmark.js b/base/special/xlogyf/benchmark/benchmark.js
new file mode 100644
index 000000000..7d0662500
--- /dev/null
+++ b/base/special/xlogyf/benchmark/benchmark.js
@@ -0,0 +1,54 @@
+/**
+* @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 xlogyf = require( './../lib' );
+
+
+// MAIN //
+
+bench( pkg, function benchmark( b ) {
+	var out;
+	var x;
+	var y;
+	var i;
+
+	x = randu( 100, 1.0, 100.0 );
+	y = randu( 100, 1.0, 100.0 );
+
+	b.tic();
+	for ( i = 0; i < b.iterations; i++ ) {
+		out = xlogyf( x[ i % x.length ], y[ i % y.length ] );
+		if ( isnanf( out ) ) {
+			b.fail( 'should not return NaN' );
+		}
+	}
+	b.toc();
+	if ( isnanf( out ) ) {
+		b.fail( 'should not return NaN' );
+	}
+	b.pass( 'benchmark finished' );
+	b.end();
+});
diff --git a/base/special/xlogyf/benchmark/benchmark.native.js b/base/special/xlogyf/benchmark/benchmark.native.js
new file mode 100644
index 000000000..29e2c5408
--- /dev/null
+++ b/base/special/xlogyf/benchmark/benchmark.native.js
@@ -0,0 +1,63 @@
+/**
+* @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 xlogyf = tryRequire( resolve( __dirname, './../lib/native.js' ) );
+var opts = {
+	'skip': ( xlogyf instanceof Error )
+};
+
+
+// MAIN //
+
+bench( pkg+'::native', opts, function benchmark( b ) {
+	var out;
+	var x;
+	var y;
+	var i;
+
+	x = randu( 100, 1.0, 100.0 );
+	y = randu( 100, 1.0, 100.0 );
+
+	b.tic();
+	for ( i = 0; i < b.iterations; i++ ) {
+		out = xlogyf( x[ i % x.length ], y[ i % y.length ] );
+		if ( isnanf( out ) ) {
+			b.fail( 'should not return NaN' );
+		}
+	}
+	b.toc();
+	if ( isnanf( out ) ) {
+		b.fail( 'should not return NaN' );
+	}
+	b.pass( 'benchmark finished' );
+	b.end();
+});
diff --git a/base/special/xlogyf/benchmark/c/native/Makefile b/base/special/xlogyf/benchmark/c/native/Makefile
new file mode 100644
index 000000000..f69e9da2b
--- /dev/null
+++ b/base/special/xlogyf/benchmark/c/native/Makefile
@@ -0,0 +1,146 @@
+#/
+# @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.
+#/
+
+# VARIABLES #
+
+ifndef VERBOSE
+	QUIET := @
+else
+	QUIET :=
+endif
+
+# Determine the OS ([1][1], [2][2]).
+#
+# [1]: https://en.wikipedia.org/wiki/Uname#Examples
+# [2]: http://stackoverflow.com/a/27776822/2225624
+OS ?= $(shell uname)
+ifneq (, $(findstring MINGW,$(OS)))
+	OS := WINNT
+else
+ifneq (, $(findstring MSYS,$(OS)))
+	OS := WINNT
+else
+ifneq (, $(findstring CYGWIN,$(OS)))
+	OS := WINNT
+else
+ifneq (, $(findstring Windows_NT,$(OS)))
+	OS := WINNT
+endif
+endif
+endif
+endif
+
+# Define the program used for compiling C source files:
+ifdef C_COMPILER
+	CC := $(C_COMPILER)
+else
+	CC := gcc
+endif
+
+# Define the command-line options when compiling C files:
+CFLAGS ?= \
+	-std=c99 \
+	-O3 \
+	-Wall \
+	-pedantic
+
+# Determine whether to generate position independent code ([1][1], [2][2]).
+#
+# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options
+# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option
+ifeq ($(OS), WINNT)
+	fPIC ?=
+else
+	fPIC ?= -fPIC
+endif
+
+# List of includes (e.g., `-I /foo/bar -I /beep/boop/include`):
+INCLUDE ?=
+
+# List of source files:
+SOURCE_FILES ?=
+
+# List of libraries (e.g., `-lopenblas -lpthread`):
+LIBRARIES ?=
+
+# List of library paths (e.g., `-L /foo/bar -L /beep/boop`):
+LIBPATH ?=
+
+# List of C targets:
+c_targets := benchmark.out
+
+
+# RULES #
+
+#/
+# Compiles source files.
+#
+# @param {string} [C_COMPILER] - C compiler (e.g., `gcc`)
+# @param {string} [CFLAGS] - C compiler options
+# @param {(string|void)} [fPIC] - compiler flag determining whether to generate position independent code (e.g., `-fPIC`)
+# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop/include`)
+# @param {string} [SOURCE_FILES] - list of source files
+# @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`)
+# @param {string} [LIBRARIES] - list of libraries (e.g., `-lopenblas -lpthread`)
+#
+# @example
+# make
+#
+# @example
+# make all
+#/
+all: $(c_targets)
+
+.PHONY: all
+
+#/
+# Compiles C source files.
+#
+# @private
+# @param {string} CC - C compiler (e.g., `gcc`)
+# @param {string} CFLAGS - C compiler options
+# @param {(string|void)} fPIC - compiler flag determining whether to generate position independent code (e.g., `-fPIC`)
+# @param {string} INCLUDE - list of includes (e.g., `-I /foo/bar`)
+# @param {string} SOURCE_FILES - list of source files
+# @param {string} LIBPATH - list of library paths (e.g., `-L /foo/bar`)
+# @param {string} LIBRARIES - list of libraries (e.g., `-lopenblas`)
+#/
+$(c_targets): %.out: %.c
+	$(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES)
+
+#/
+# Runs compiled benchmarks.
+#
+# @example
+# make run
+#/
+run: $(c_targets)
+	$(QUIET) ./$<
+
+.PHONY: run
+
+#/
+# Removes generated files.
+#
+# @example
+# make clean
+#/
+clean:
+	$(QUIET) -rm -f *.o *.out
+
+.PHONY: clean
diff --git a/base/special/xlogyf/benchmark/c/native/benchmark.c b/base/special/xlogyf/benchmark/c/native/benchmark.c
new file mode 100644
index 000000000..895f3d47b
--- /dev/null
+++ b/base/special/xlogyf/benchmark/c/native/benchmark.c
@@ -0,0 +1,138 @@
+/**
+* @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.
+*/
+
+#include "stdlib/math/base/special/xlogyf.h"
+#include <stdlib.h>
+#include <stdio.h>
+#include <math.h>
+#include <time.h>
+#include <sys/time.h>
+
+#define NAME "xlogyf"
+#define ITERATIONS 1000000
+#define REPEATS 3
+
+/**
+* Prints the TAP version.
+*/
+static void print_version( void ) {
+	printf( "TAP version 13\n" );
+}
+
+/**
+* Prints the TAP summary.
+*
+* @param total     total number of tests
+* @param passing   total number of passing tests
+*/
+static void print_summary( int total, int passing ) {
+	printf( "#\n" );
+	printf( "1..%d\n", total ); // TAP plan
+	printf( "# total %d\n", total );
+	printf( "# pass  %d\n", passing );
+	printf( "#\n" );
+	printf( "# ok\n" );
+}
+
+/**
+* Prints benchmarks results.
+*
+* @param elapsed   elapsed time in seconds
+*/
+static void print_results( double elapsed ) {
+	double rate = (double)ITERATIONS / elapsed;
+	printf( "  ---\n" );
+	printf( "  iterations: %d\n", ITERATIONS );
+	printf( "  elapsed: %0.9f\n", elapsed );
+	printf( "  rate: %0.9f\n", rate );
+	printf( "  ...\n" );
+}
+
+/**
+* Returns a clock time.
+*
+* @return clock time
+*/
+static double tic( void ) {
+	struct timeval now;
+	gettimeofday( &now, NULL );
+	return (double)now.tv_sec + (double)now.tv_usec / 1.0e6;
+}
+
+/**
+* Generates a random number on the interval [0,1).
+*
+* @return random number
+*/
+static float rand_float( void ) {
+	int r = rand();
+	return (float)r / ( (float)RAND_MAX + 1.0f );
+}
+
+/**
+* Runs a benchmark.
+*
+* @return elapsed time in seconds
+*/
+static double benchmark( void ) {
+	double elapsed;
+	float out;
+	double t;
+	float x[ 100 ];
+	float y[ 100 ];
+	int i;
+
+	for ( i = 0; i < 100; i++ ) {
+		x[ i ] = ( 100.0f * rand_float() );
+		y[ i ] = ( 5.0f * rand_float() );
+	}
+
+	t = tic();
+	for ( i = 0; i < ITERATIONS; i++ ) {
+		out = stdlib_base_xlogyf( x[ i % 100 ], y[ i % 100 ] );
+		if ( out != out ) {
+			printf( "should not return NaN\n" );
+			break;
+		}
+	}
+	elapsed = tic() - t;
+	if ( out != out ) {
+		printf( "should not return NaN\n" );
+	}
+	return elapsed;
+}
+
+/**
+* Main execution sequence.
+*/
+int main( void ) {
+	double elapsed;
+	int i;
+
+	// Use the current time to seed the random number generator:
+	srand( time( NULL ) );
+
+	print_version();
+	for ( i = 0; i < REPEATS; i++ ) {
+		printf( "# c::native::%s\n", NAME );
+		elapsed = benchmark();
+		print_results( elapsed );
+		printf( "ok %d benchmark finished\n", i + 1 );
+	}
+	print_summary( REPEATS, REPEATS );
+}
diff --git a/base/special/xlogyf/binding.gyp b/base/special/xlogyf/binding.gyp
new file mode 100644
index 000000000..ec3992233
--- /dev/null
+++ b/base/special/xlogyf/binding.gyp
@@ -0,0 +1,170 @@
+# @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.
+
+# A `.gyp` file for building a Node.js native add-on.
+#
+# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md
+# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md
+{
+  # List of files to include in this file:
+  'includes': [
+    './include.gypi',
+  ],
+
+  # Define variables to be used throughout the configuration for all targets:
+  'variables': {
+    # Target name should match the add-on export name:
+    'addon_target_name%': 'addon',
+
+    # Set variables based on the host OS:
+    'conditions': [
+      [
+        'OS=="win"',
+        {
+          # Define the object file suffix:
+          'obj': 'obj',
+        },
+        {
+          # Define the object file suffix:
+          'obj': 'o',
+        }
+      ], # end condition (OS=="win")
+    ], # end conditions
+  }, # end variables
+
+  # Define compile targets:
+  'targets': [
+
+    # Target to generate an add-on:
+    {
+      # The target name should match the add-on export name:
+      'target_name': '<(addon_target_name)',
+
+      # Define dependencies:
+      'dependencies': [],
+
+      # Define directories which contain relevant include headers:
+      'include_dirs': [
+        # Local include directory:
+        '<@(include_dirs)',
+      ],
+
+      # List of source files:
+      'sources': [
+        '<@(src_files)',
+      ],
+
+      # Settings which should be applied when a target's object files are used as linker input:
+      'link_settings': {
+        # Define libraries:
+        'libraries': [
+          '<@(libraries)',
+        ],
+
+        # Define library directories:
+        'library_dirs': [
+          '<@(library_dirs)',
+        ],
+      },
+
+      # C/C++ compiler flags:
+      'cflags': [
+        # Enable commonly used warning options:
+        '-Wall',
+
+        # Aggressive optimization:
+        '-O3',
+      ],
+
+      # C specific compiler flags:
+      'cflags_c': [
+        # Specify the C standard to which a program is expected to conform:
+        '-std=c99',
+      ],
+
+      # C++ specific compiler flags:
+      'cflags_cpp': [
+        # Specify the C++ standard to which a program is expected to conform:
+        '-std=c++11',
+      ],
+
+      # Linker flags:
+      'ldflags': [],
+
+      # Apply conditions based on the host OS:
+      'conditions': [
+        [
+          'OS=="mac"',
+          {
+            # Linker flags:
+            'ldflags': [
+              '-undefined dynamic_lookup',
+              '-Wl,-no-pie',
+              '-Wl,-search_paths_first',
+            ],
+          },
+        ], # end condition (OS=="mac")
+        [
+          'OS!="win"',
+          {
+            # C/C++ flags:
+            'cflags': [
+              # Generate platform-independent code:
+              '-fPIC',
+            ],
+          },
+        ], # end condition (OS!="win")
+      ], # end conditions
+    }, # end target <(addon_target_name)
+
+    # Target to copy a generated add-on to a standard location:
+    {
+      'target_name': 'copy_addon',
+
+      # Declare that the output of this target is not linked:
+      'type': 'none',
+
+      # Define dependencies:
+      'dependencies': [
+        # Require that the add-on be generated before building this target:
+        '<(addon_target_name)',
+      ],
+
+      # Define a list of actions:
+      'actions': [
+        {
+          'action_name': 'copy_addon',
+          'message': 'Copying addon...',
+
+          # Explicitly list the inputs in the command-line invocation below:
+          'inputs': [],
+
+          # Declare the expected outputs:
+          'outputs': [
+            '<(addon_output_dir)/<(addon_target_name).node',
+          ],
+
+          # Define the command-line invocation:
+          'action': [
+            'cp',
+            '<(PRODUCT_DIR)/<(addon_target_name).node',
+            '<(addon_output_dir)/<(addon_target_name).node',
+          ],
+        },
+      ], # end actions
+    }, # end target copy_addon
+  ], # end targets
+}
diff --git a/base/special/xlogyf/docs/repl.txt b/base/special/xlogyf/docs/repl.txt
new file mode 100644
index 000000000..87bd5cee7
--- /dev/null
+++ b/base/special/xlogyf/docs/repl.txt
@@ -0,0 +1,38 @@
+
+{{alias}}( x, y )
+    Computes `x * ln(y)` so that the result is `0` if `x = 0` for
+    single-precision floating-point numbers `x` and `y`.
+
+    Parameters
+    ----------
+    x: number
+        Input value.
+
+    y: number
+        Input value.
+
+    Returns
+    -------
+    out: number
+        Function value.
+
+    Examples
+    --------
+    > var out = {{alias}}( 3.0, 2.0 )
+    ~2.079
+    > out = {{alias}}( 1.5, 5.9 )
+    ~2.662
+    > out = {{alias}}( 0.9, 1.0 )
+    0.0
+    > out = {{alias}}( 0.0, -2.0 )
+    0.0
+    > out = {{alias}}( 1.5, NaN )
+    NaN
+    > out = {{alias}}( 0.0, NaN )
+    NaN
+    > out = {{alias}}( NaN, 2.3 )
+    NaN
+
+    See Also
+    --------
+
diff --git a/base/special/xlogyf/docs/types/index.d.ts b/base/special/xlogyf/docs/types/index.d.ts
new file mode 100644
index 000000000..ee0b8b3d9
--- /dev/null
+++ b/base/special/xlogyf/docs/types/index.d.ts
@@ -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.
+*/
+
+// TypeScript Version: 4.1
+
+/**
+* Computes `x * ln(y)` so that the result is `0` if `x = 0` for single-precision floating-point numbers `x` and `y`.
+*
+* @param x - input value
+* @param y - input value
+* @returns function value
+*
+* @example
+* var out = xlogyf( 3.0, 2.0 );
+* // returns ~2.079
+*
+* @example
+* var out = xlogyf( 1.5, 5.9 );
+* // returns ~2.662
+*
+* @example
+* var out = xlogyf( 0.9, 1.0 );
+* // returns 0.0
+*
+* @example
+* var out = xlogyf( 0.0, -2.0 );
+* // returns 0.0
+*
+* @example
+* var out = xlogyf( 1.5, NaN );
+* // returns NaN
+*
+* @example
+* var out = xlogyf( 0.0, NaN );
+* // returns NaN
+*
+* @example
+* var out = xlogyf( NaN, 2.3 );
+* // returns NaN
+*/
+declare function xlogyf( x: number, y: number ): number;
+
+
+// EXPORTS //
+
+export = xlogyf;
diff --git a/base/special/xlogyf/docs/types/test.ts b/base/special/xlogyf/docs/types/test.ts
new file mode 100644
index 000000000..dcf6caecc
--- /dev/null
+++ b/base/special/xlogyf/docs/types/test.ts
@@ -0,0 +1,56 @@
+/*
+* @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.
+*/
+
+import xlogyf = require( './index' );
+
+
+// TESTS //
+
+// The function returns a number...
+{
+	xlogyf( 8, 2 ); // $ExpectType number
+}
+
+// The compiler throws an error if the function is provided values other than two numbers...
+{
+	xlogyf( true, 3 ); // $ExpectError
+	xlogyf( false, 2 ); // $ExpectError
+	xlogyf( '5', 1 ); // $ExpectError
+	xlogyf( [], 1 ); // $ExpectError
+	xlogyf( {}, 2 ); // $ExpectError
+	xlogyf( ( x: number ): number => x, 2 ); // $ExpectError
+
+	xlogyf( 9, true ); // $ExpectError
+	xlogyf( 9, false ); // $ExpectError
+	xlogyf( 5, '5' ); // $ExpectError
+	xlogyf( 8, [] ); // $ExpectError
+	xlogyf( 9, {} ); // $ExpectError
+	xlogyf( 8, ( x: number ): number => x ); // $ExpectError
+
+	xlogyf( [], true ); // $ExpectError
+	xlogyf( {}, false ); // $ExpectError
+	xlogyf( false, '5' ); // $ExpectError
+	xlogyf( {}, [] ); // $ExpectError
+	xlogyf( '5', ( x: number ): number => x ); // $ExpectError
+}
+
+// The compiler throws an error if the function is provided insufficient arguments...
+{
+	xlogyf(); // $ExpectError
+	xlogyf( 3 ); // $ExpectError
+}
diff --git a/base/special/xlogyf/examples/c/Makefile b/base/special/xlogyf/examples/c/Makefile
new file mode 100644
index 000000000..6aed70daf
--- /dev/null
+++ b/base/special/xlogyf/examples/c/Makefile
@@ -0,0 +1,146 @@
+#/
+# @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.
+#/
+
+# VARIABLES #
+
+ifndef VERBOSE
+	QUIET := @
+else
+	QUIET :=
+endif
+
+# Determine the OS ([1][1], [2][2]).
+#
+# [1]: https://en.wikipedia.org/wiki/Uname#Examples
+# [2]: http://stackoverflow.com/a/27776822/2225624
+OS ?= $(shell uname)
+ifneq (, $(findstring MINGW,$(OS)))
+	OS := WINNT
+else
+ifneq (, $(findstring MSYS,$(OS)))
+	OS := WINNT
+else
+ifneq (, $(findstring CYGWIN,$(OS)))
+	OS := WINNT
+else
+ifneq (, $(findstring Windows_NT,$(OS)))
+	OS := WINNT
+endif
+endif
+endif
+endif
+
+# Define the program used for compiling C source files:
+ifdef C_COMPILER
+	CC := $(C_COMPILER)
+else
+	CC := gcc
+endif
+
+# Define the command-line options when compiling C files:
+CFLAGS ?= \
+	-std=c99 \
+	-O3 \
+	-Wall \
+	-pedantic
+
+# Determine whether to generate position independent code ([1][1], [2][2]).
+#
+# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options
+# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option
+ifeq ($(OS), WINNT)
+	fPIC ?=
+else
+	fPIC ?= -fPIC
+endif
+
+# List of includes (e.g., `-I /foo/bar -I /beep/boop/include`):
+INCLUDE ?=
+
+# List of source files:
+SOURCE_FILES ?=
+
+# List of libraries (e.g., `-lopenblas -lpthread`):
+LIBRARIES ?=
+
+# List of library paths (e.g., `-L /foo/bar -L /beep/boop`):
+LIBPATH ?=
+
+# List of C targets:
+c_targets := example.out
+
+
+# RULES #
+
+#/
+# Compiles source files.
+#
+# @param {string} [C_COMPILER] - C compiler (e.g., `gcc`)
+# @param {string} [CFLAGS] - C compiler options
+# @param {(string|void)} [fPIC] - compiler flag determining whether to generate position independent code (e.g., `-fPIC`)
+# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop/include`)
+# @param {string} [SOURCE_FILES] - list of source files
+# @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`)
+# @param {string} [LIBRARIES] - list of libraries (e.g., `-lopenblas -lpthread`)
+#
+# @example
+# make
+#
+# @example
+# make all
+#/
+all: $(c_targets)
+
+.PHONY: all
+
+#/
+# Compiles C source files.
+#
+# @private
+# @param {string} CC - C compiler (e.g., `gcc`)
+# @param {string} CFLAGS - C compiler options
+# @param {(string|void)} fPIC - compiler flag determining whether to generate position independent code (e.g., `-fPIC`)
+# @param {string} INCLUDE - list of includes (e.g., `-I /foo/bar`)
+# @param {string} SOURCE_FILES - list of source files
+# @param {string} LIBPATH - list of library paths (e.g., `-L /foo/bar`)
+# @param {string} LIBRARIES - list of libraries (e.g., `-lopenblas`)
+#/
+$(c_targets): %.out: %.c
+	$(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES)
+
+#/
+# Runs compiled examples.
+#
+# @example
+# make run
+#/
+run: $(c_targets)
+	$(QUIET) ./$<
+
+.PHONY: run
+
+#/
+# Removes generated files.
+#
+# @example
+# make clean
+#/
+clean:
+	$(QUIET) -rm -f *.o *.out
+
+.PHONY: clean
diff --git a/base/special/xlogyf/examples/c/example.c b/base/special/xlogyf/examples/c/example.c
new file mode 100644
index 000000000..fd472a0ef
--- /dev/null
+++ b/base/special/xlogyf/examples/c/example.c
@@ -0,0 +1,35 @@
+/**
+* @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.
+*/
+
+#include "stdlib/math/base/special/xlogyf.h"
+#include <stdio.h>
+#include <stdlib.h>
+
+int main( void ) {
+	float out;
+	float x;
+	float y;
+	int i;
+
+	for ( i = 0; i < 100; i++ ) {
+		x = ( (float)rand() / (float)RAND_MAX ) * 100.0f;
+		y = ( (float)rand() / (float)RAND_MAX ) * 5.0f;
+		out = stdlib_base_xlogyf( x, y );
+		printf( "xlogyf(%f, %f) = %f\n", x, y, out );
+	}
+}
diff --git a/base/special/xlogyf/examples/index.js b/base/special/xlogyf/examples/index.js
new file mode 100644
index 000000000..afe7b2728
--- /dev/null
+++ b/base/special/xlogyf/examples/index.js
@@ -0,0 +1,35 @@
+/**
+* @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';
+
+var randu = require( '@stdlib/random/base/randu' );
+var xlogyf = require( './../lib' );
+
+var x;
+var y;
+var i;
+
+for ( i = 0; i < 100; i++ ) {
+	x = randu();
+	if ( x < 0.5 ) {
+		x = 0.0;
+	}
+	y = ( randu() * 20.0 ) - 5.0;
+	console.log( 'xlogyf(%d, %d) = %d', x, y, xlogyf( x, y ) );
+}
diff --git a/base/special/xlogyf/include.gypi b/base/special/xlogyf/include.gypi
new file mode 100644
index 000000000..575cb043c
--- /dev/null
+++ b/base/special/xlogyf/include.gypi
@@ -0,0 +1,53 @@
+# @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.
+
+# A GYP include file for building a Node.js native add-on.
+#
+# Main documentation:
+#
+# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md
+# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md
+{
+  # Define variables to be used throughout the configuration for all targets:
+  'variables': {
+    # Source directory:
+    'src_dir': './src',
+
+    # Include directories:
+    'include_dirs': [
+      '<!@(node -e "var arr = require(\'@stdlib/utils/library-manifest\')(\'./manifest.json\',{},{\'basedir\':process.cwd(),\'paths\':\'posix\'}).include; for ( var i = 0; i < arr.length; i++ ) { console.log( arr[ i ] ); }")',
+    ],
+
+    # Add-on destination directory:
+    'addon_output_dir': './src',
+
+    # Source files:
+    'src_files': [
+      '<(src_dir)/addon.c',
+      '<!@(node -e "var arr = require(\'@stdlib/utils/library-manifest\')(\'./manifest.json\',{},{\'basedir\':process.cwd(),\'paths\':\'posix\'}).src; for ( var i = 0; i < arr.length; i++ ) { console.log( arr[ i ] ); }")',
+    ],
+
+    # Library dependencies:
+    'libraries': [
+      '<!@(node -e "var arr = require(\'@stdlib/utils/library-manifest\')(\'./manifest.json\',{},{\'basedir\':process.cwd(),\'paths\':\'posix\'}).libraries; for ( var i = 0; i < arr.length; i++ ) { console.log( arr[ i ] ); }")',
+    ],
+
+    # Library directories:
+    'library_dirs': [
+      '<!@(node -e "var arr = require(\'@stdlib/utils/library-manifest\')(\'./manifest.json\',{},{\'basedir\':process.cwd(),\'paths\':\'posix\'}).libpath; for ( var i = 0; i < arr.length; i++ ) { console.log( arr[ i ] ); }")',
+    ],
+  }, # end variables
+}
diff --git a/base/special/xlogyf/include/stdlib/math/base/special/xlogyf.h b/base/special/xlogyf/include/stdlib/math/base/special/xlogyf.h
new file mode 100644
index 000000000..5ed1fff72
--- /dev/null
+++ b/base/special/xlogyf/include/stdlib/math/base/special/xlogyf.h
@@ -0,0 +1,38 @@
+/**
+* @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.
+*/
+
+#ifndef STDLIB_MATH_BASE_SPECIAL_XLOGYF_H
+#define STDLIB_MATH_BASE_SPECIAL_XLOGYF_H
+
+/*
+* If C++, prevent name mangling so that the compiler emits a binary file having undecorated names, thus mirroring the behavior of a C compiler.
+*/
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+* Computes `x * ln(y)` so that the result is `0` if `x = 0` for single-precision floating-point numbers `x` and `y`.
+*/
+float stdlib_base_xlogyf( const float x, const float y );
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // !STDLIB_MATH_BASE_SPECIAL_XLOGYF_H
diff --git a/base/special/xlogyf/lib/index.js b/base/special/xlogyf/lib/index.js
new file mode 100644
index 000000000..78018f51c
--- /dev/null
+++ b/base/special/xlogyf/lib/index.js
@@ -0,0 +1,58 @@
+/**
+* @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';
+
+/**
+* Compute `x * ln(y)` so that the result is `0` if `x = 0` for single-precision floating-point numbers `x` and `y`.
+*
+* @module @stdlib/math/base/special/xlogyf
+*
+* @example
+* var xlogyf = require( '@stdlib/math/base/special/xlogyf' );
+*
+* var out = xlogyf( 3.0, 2.0 );
+* // returns ~2.079
+*
+* out = xlogyf( 1.5, 5.9 );
+* // returns ~2.662
+*
+* out = xlogyf( 0.9, 1.0 );
+* // returns 0.0
+*
+* out = xlogyf( 0.0, -2.0 );
+* // returns 0.0
+*
+* out = xlogyf( 1.5, NaN );
+* // returns NaN
+*
+* out = xlogyf( 0.0, NaN );
+* // returns NaN
+*
+* out = xlogyf( NaN, 2.3 );
+* // returns NaN
+*/
+
+// MODULES //
+
+var main = require( './main.js' );
+
+
+// EXPORTS //
+
+module.exports = main;
diff --git a/base/special/xlogyf/lib/main.js b/base/special/xlogyf/lib/main.js
new file mode 100644
index 000000000..24676a55a
--- /dev/null
+++ b/base/special/xlogyf/lib/main.js
@@ -0,0 +1,75 @@
+/**
+* @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 isnanf = require( './../../../../base/assert/is-nanf' );
+var lnf = require( './../../../../base/special/lnf' );
+var float64ToFloat32 = require( '@stdlib/number/float64/base/to-float32' );
+
+
+// MAIN //
+
+/**
+* Computes `x * ln(y)` so that the result is `0` if `x = 0` for single-precision floating-point numbers `x` and `y`.
+*
+* @param {number} x - input value
+* @param {number} y - input value
+* @returns {number} function value
+*
+* @example
+* var out = xlogyf( 3.0, 2.0 );
+* // returns ~2.079
+*
+* @example
+* var out = xlogyf( 1.5, 5.9 );
+* // returns ~2.662
+*
+* @example
+* var out = xlogyf( 0.9, 1.0 );
+* // returns 0.0
+*
+* @example
+* var out = xlogyf( 0.0, -2.0 );
+* // returns 0.0
+*
+* @example
+* var out = xlogyf( 1.5, NaN );
+* // returns NaN
+*
+* @example
+* var out = xlogyf( 0.0, NaN );
+* // returns NaN
+*
+* @example
+* var out = xlogyf( NaN, 2.3 );
+* // returns NaN
+*/
+function xlogyf( x, y ) {
+	if ( x === 0.0 && !isnanf( y ) ) {
+		return 0.0;
+	}
+	return float64ToFloat32( float64ToFloat32( x ) * lnf( float64ToFloat32( y ) ) );
+}
+
+
+// EXPORTS //
+
+module.exports = xlogyf;
diff --git a/base/special/xlogyf/lib/native.js b/base/special/xlogyf/lib/native.js
new file mode 100644
index 000000000..00efe8db4
--- /dev/null
+++ b/base/special/xlogyf/lib/native.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 addon = require( './../src/addon.node' );
+
+
+// MAIN //
+
+/**
+* Computes `x * ln(y)` so that the result is `0` if `x = 0` for single-precision floating-point numbers `x` and `y`.
+*
+* @private
+* @param {number} x - input value
+* @param {number} y - input value
+* @returns {number} function value
+*
+* @example
+* var v = xlogyf( 3.0, 2.0 );
+* // returns ~2.079
+*
+* @example
+* var v = xlogyf( 0.0, 2.0 );
+* // returns 0.0
+*
+*/
+function xlogyf( x, y ) {
+	return addon( x, y );
+}
+
+
+// EXPORTS //
+
+module.exports = xlogyf;
diff --git a/base/special/xlogyf/manifest.json b/base/special/xlogyf/manifest.json
new file mode 100644
index 000000000..3b2b26f5d
--- /dev/null
+++ b/base/special/xlogyf/manifest.json
@@ -0,0 +1,75 @@
+{
+  "options": {
+    "task": "build"
+  },
+  "fields": [
+    {
+      "field": "src",
+      "resolve": true,
+      "relative": true
+    },
+    {
+      "field": "include",
+      "resolve": true,
+      "relative": true
+    },
+    {
+      "field": "libraries",
+      "resolve": false,
+      "relative": false
+    },
+    {
+      "field": "libpath",
+      "resolve": true,
+      "relative": false
+    }
+  ],
+  "confs": [
+    {
+      "task": "build",
+      "src": [
+        "./src/main.c"
+      ],
+      "include": [
+        "./include"
+      ],
+      "libraries": [],
+      "libpath": [],
+      "dependencies": [
+        "@stdlib/math/base/napi/binary",
+        "@stdlib/math/base/special/lnf",
+        "@stdlib/math/base/assert/is-nanf"
+      ]
+    },
+    {
+      "task": "benchmark",
+      "src": [
+        "./src/main.c"
+      ],
+      "include": [
+        "./include"
+      ],
+      "libraries": [],
+      "libpath": [],
+      "dependencies": [
+        "@stdlib/math/base/special/lnf",
+        "@stdlib/math/base/assert/is-nanf"
+      ]
+    },
+    {
+      "task": "examples",
+      "src": [
+        "./src/main.c"
+      ],
+      "include": [
+        "./include"
+      ],
+      "libraries": [],
+      "libpath": [],
+      "dependencies": [
+        "@stdlib/math/base/special/lnf",
+        "@stdlib/math/base/assert/is-nanf"
+      ]
+    }
+  ]
+}
diff --git a/base/special/xlogyf/package.json b/base/special/xlogyf/package.json
new file mode 100644
index 000000000..c7270ef35
--- /dev/null
+++ b/base/special/xlogyf/package.json
@@ -0,0 +1,65 @@
+{
+  "name": "@stdlib/math/base/special/xlogyf",
+  "version": "0.0.0",
+  "description": "Compute `x * ln(y)` so that the result is `0` if `x = 0` for single-precision floating-point numbers `x` and `y`.",
+  "license": "Apache-2.0",
+  "author": {
+    "name": "The Stdlib Authors",
+    "url": "https://github.com/stdlib-js/stdlib/graphs/contributors"
+  },
+  "contributors": [
+    {
+      "name": "The Stdlib Authors",
+      "url": "https://github.com/stdlib-js/stdlib/graphs/contributors"
+    }
+  ],
+  "main": "./lib",
+  "gypfile": true,
+  "directories": {
+    "benchmark": "./benchmark",
+    "doc": "./docs",
+    "example": "./examples",
+    "include": "./include",
+    "lib": "./lib",
+    "src": "./src",
+    "test": "./test"
+  },
+  "types": "./docs/types",
+  "scripts": {},
+  "homepage": "https://github.com/stdlib-js/stdlib",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/stdlib-js/stdlib.git"
+  },
+  "bugs": {
+    "url": "https://github.com/stdlib-js/stdlib/issues"
+  },
+  "dependencies": {},
+  "devDependencies": {},
+  "engines": {
+    "node": ">=0.10.0",
+    "npm": ">2.7.0"
+  },
+  "os": [
+    "aix",
+    "darwin",
+    "freebsd",
+    "linux",
+    "macos",
+    "openbsd",
+    "sunos",
+    "win32",
+    "windows"
+  ],
+  "keywords": [
+    "stdlib",
+    "stdmath",
+    "mathematics",
+    "math",
+    "natural",
+    "logarithm",
+    "log",
+    "ln",
+    "special"
+  ]
+}
diff --git a/base/special/xlogyf/src/Makefile b/base/special/xlogyf/src/Makefile
new file mode 100644
index 000000000..bcf18aa46
--- /dev/null
+++ b/base/special/xlogyf/src/Makefile
@@ -0,0 +1,70 @@
+#/
+# @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.
+#/
+
+# VARIABLES #
+
+ifndef VERBOSE
+	QUIET := @
+else
+	QUIET :=
+endif
+
+# Determine the OS ([1][1], [2][2]).
+#
+# [1]: https://en.wikipedia.org/wiki/Uname#Examples
+# [2]: http://stackoverflow.com/a/27776822/2225624
+OS ?= $(shell uname)
+ifneq (, $(findstring MINGW,$(OS)))
+	OS := WINNT
+else
+ifneq (, $(findstring MSYS,$(OS)))
+	OS := WINNT
+else
+ifneq (, $(findstring CYGWIN,$(OS)))
+	OS := WINNT
+else
+ifneq (, $(findstring Windows_NT,$(OS)))
+	OS := WINNT
+endif
+endif
+endif
+endif
+
+
+# RULES #
+
+#/
+# Removes generated files for building an add-on.
+#
+# @example
+# make clean-addon
+#/
+clean-addon:
+	$(QUIET) -rm -f *.o *.node
+
+.PHONY: clean-addon
+
+#/
+# Removes generated files.
+#
+# @example
+# make clean
+#/
+clean: clean-addon
+
+.PHONY: clean
diff --git a/base/special/xlogyf/src/addon.c b/base/special/xlogyf/src/addon.c
new file mode 100644
index 000000000..ebaec8231
--- /dev/null
+++ b/base/special/xlogyf/src/addon.c
@@ -0,0 +1,23 @@
+/**
+* @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.
+*/
+
+#include "stdlib/math/base/special/xlogyf.h"
+#include "stdlib/math/base/napi/binary.h"
+
+// cppcheck-suppress shadowFunction
+STDLIB_MATH_BASE_NAPI_MODULE_FF_F( stdlib_base_xlogyf )
diff --git a/base/special/xlogyf/src/main.c b/base/special/xlogyf/src/main.c
new file mode 100644
index 000000000..0875b8290
--- /dev/null
+++ b/base/special/xlogyf/src/main.c
@@ -0,0 +1,42 @@
+/**
+* @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.
+*/
+
+#include "stdlib/math/base/special/lnf.h"
+#include "stdlib/math/base/assert/is_nanf.h"
+
+/**
+* Computes `x * ln(y)` so that the result is `0` if `x = 0` for single-precision floating-point numbers `x` and `y`.
+*
+* @param x    input value
+* @param y    input value
+* @return     output value
+*
+* @example
+* float out = stdlib_base_xlogyf( 3.0f, 2.0f );
+* // returns ~2.079f
+*
+* @example
+* float out = stdlib_base_xlogyf( 0.0f, 2.0f );
+* // returns 0.0f
+*/
+float stdlib_base_xlogyf( const float x, const float y ) {
+	if ( x == 0.0f && !stdlib_base_is_nanf( y ) ) {
+		return 0.0f;
+	}
+	return x * stdlib_base_lnf( y );
+}
diff --git a/base/special/xlogyf/test/fixtures/python/large_large.json b/base/special/xlogyf/test/fixtures/python/large_large.json
new file mode 100644
index 000000000..689951faf
--- /dev/null
+++ b/base/special/xlogyf/test/fixtures/python/large_large.json
@@ -0,0 +1 @@
+{"y": [55.4696566270953, 84.00313946241987, 26.976430886103053, 73.51202260767333, 75.91926804630086, 66.54990104198134, 64.1174437120166, 14.286159878534743, 47.36536269760241, 78.39973955740034, 28.830130068020697, 76.70793310059439, 8.674062846273511, 17.433180623421574, 29.35829148104203, 64.03352520170303, 82.58567516918556, 94.98282430531997, 27.80015540054813, 45.92938217941524, 25.243373655075963, 50.8762758522214, 25.487827735801815, 4.405682394455757, 48.509602071640956, 9.781644438583047, 62.47950510907059, 38.001305554728646, 77.37650076319554, 0.27856135054611375, 88.17848813279565, 55.608025110367166, 20.501590019163018, 58.02950209240342, 85.01183831973927, 59.102893724267936, 78.02746348692828, 32.954678834032755, 86.09494873169758, 74.72444227222395, 75.83236930574637, 49.68146157788055, 76.94788780745196, 58.479450652294716, 97.9424003757393, 74.43615375437933, 8.460480086562782, 76.39770504392328, 24.17737528785857, 40.171462537917066, 69.33230381179226, 95.0541739977811, 90.58941956531984, 19.46916484989234, 48.178667008553155, 49.9479715816656, 46.30414507650479, 95.49680683571482, 7.889361249775051, 36.260653813719756, 57.06857104904027, 71.11398225839253, 58.44643485808686, 63.42261744715274, 43.19998924575711, 73.66830286588119, 68.75025226835483, 41.340295636572, 88.95170064152013, 13.437011328898208, 21.020767982327413, 79.4112296134396, 13.471094981341025, 98.60765407128704, 66.08169681753266, 87.67762854002382, 98.99857394134601, 72.80946677950405, 96.55439310664391, 41.035976297443774, 11.535921522934212, 51.99435933668488, 94.9699046636723, 63.03590456855671, 18.633661282592385, 11.807766016632659, 22.28557120768486, 91.59679114801264, 48.989746419064694, 44.1962235772558, 13.576108805018194, 17.050606373661225, 66.56361359050219, 11.020876280802117, 40.101623098968375, 16.56715910551867, 16.770400719738422, 21.283649388616688, 40.09281415457912, 50.781855894430905, 65.36687386081354, 18.831521591324364, 5.840460279989735, 30.397517992969348, 51.65096828334698, 9.165737948356433, 34.88948864383119, 51.044481426334045, 90.77800742943435, 52.78987624246674, 19.143492964684718, 65.51899412066483, 62.34852722581531, 16.380510712010476, 43.05060376305395, 63.33376853719932, 29.518778302280914, 85.69041117193605, 56.66875414455732, 61.98705823485419, 19.638714394905133, 34.50949422756639, 64.01858248299102, 22.9967878990863, 97.17632344299638, 43.71053177592377, 23.287374859427356, 84.18638616487658, 15.335096925007308, 82.96302128798926, 32.79452192198752, 51.786162294740414, 41.270055407041404, 1.7966654238625868, 97.81768060535342, 39.03105385243981, 58.895640812697415, 92.53418897251233, 54.32831932380764, 88.53394349989938, 72.38511763138024, 49.88543526076662, 15.561279016532325, 85.89038136300834, 95.29509127760686, 35.601156900956695, 80.9723939241835, 70.46274245386887, 27.742397192575474, 65.82306746096127, 60.89014985445724, 2.6195998469232373, 54.622665391722016, 66.65694164792274, 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diff --git a/base/special/xlogyf/test/fixtures/python/large_small.json b/base/special/xlogyf/test/fixtures/python/large_small.json
new file mode 100644
index 000000000..c9c551c91
--- /dev/null
+++ b/base/special/xlogyf/test/fixtures/python/large_small.json
@@ -0,0 +1 @@
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diff --git a/base/special/xlogyf/test/fixtures/python/runner.py b/base/special/xlogyf/test/fixtures/python/runner.py
new file mode 100644
index 000000000..1146bd03d
--- /dev/null
+++ b/base/special/xlogyf/test/fixtures/python/runner.py
@@ -0,0 +1,87 @@
+#!/usr/bin/env python
+#
+# @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.
+
+"""Generate fixtures."""
+
+import os
+import json
+import numpy as np
+from scipy.special import xlogy
+
+# Get the file path:
+FILE = os.path.realpath(__file__)
+
+# Extract the directory in which this file resides:
+DIR = os.path.dirname(FILE)
+
+
+def gen(x, y, name):
+    """Generate fixture data and writes them to file.
+
+    # Arguments
+
+    * `x`: first parameter
+    * `y`: second parameter
+    * `name::str`: output filename
+
+    # Examples
+
+    ``` python
+    python> x = random(500) * 5.0
+    python> y = random(500) * 5.0
+    python> gen(x, y, './data.json')
+    ```
+    """
+    out = xlogy(x, y)
+
+    # Store data to be written to file as a dictionary:
+    data = {
+        "x": x.tolist(),
+        "y": y.tolist(),
+        "expected": out.tolist()
+    }
+
+    # Based on the script directory, create an output filepath:
+    filepath = os.path.join(DIR, name)
+
+    # Write the data to the output filepath as JSON:
+    with open(filepath, "w", encoding="utf-8") as outfile:
+        json.dump(data, outfile)
+
+
+def main():
+    """Generate fixture data."""
+    x = np.random.random(500) * 5.0
+    y = np.random.random(500) * 5.0
+    gen(x, y, "small_small.json")
+
+    x = np.random.random(500) * 5.0
+    y = np.random.random(500) * 100.0
+    gen(x, y, "small_large.json")
+
+    x = np.random.random(500) * 100.0
+    y = np.random.random(500) * 5.0
+    gen(x, y, "large_small.json")
+
+    x = np.random.random(500) * 100.0
+    y = np.random.random(500) * 100.0
+    gen(x, y, "large_large.json")
+
+
+if __name__ == "__main__":
+    main()
diff --git a/base/special/xlogyf/test/fixtures/python/small_large.json b/base/special/xlogyf/test/fixtures/python/small_large.json
new file mode 100644
index 000000000..5f22858a5
--- /dev/null
+++ b/base/special/xlogyf/test/fixtures/python/small_large.json
@@ -0,0 +1 @@
+{"y": [24.531979000501337, 91.79466891704186, 55.80687634212607, 59.254387367708276, 61.893824289239305, 29.14556677388035, 79.49763902240335, 9.04187571223436, 45.997308807906, 9.720653744963093, 15.22132444766633, 7.5928490028906666, 39.35095935836649, 68.31312044707859, 84.42163406607975, 80.52444756908999, 47.75463643266218, 6.771790739591332, 56.58380660050932, 26.79703726550916, 30.819292444033263, 84.76166964217833, 33.86887207338516, 63.588823313372664, 18.021733736967636, 17.31065071691621, 83.14721524331148, 82.04359733591033, 61.600316950979696, 96.67269007657072, 74.52929391157544, 44.495346139061944, 56.99244558525237, 11.342694530449327, 70.91759504462406, 62.964162366022656, 36.60952529151464, 93.39270404020186, 9.405020140081898, 60.16063568609359, 16.267193675472512, 39.286376816949186, 4.6509693996400925, 28.337096933226235, 14.160527634051267, 25.69134028107245, 29.163372264907782, 86.59783546308424, 73.45098627378572, 44.76566725928821, 89.83667497295875, 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diff --git a/base/special/xlogyf/test/fixtures/python/small_small.json b/base/special/xlogyf/test/fixtures/python/small_small.json
new file mode 100644
index 000000000..42ad7cdc2
--- /dev/null
+++ b/base/special/xlogyf/test/fixtures/python/small_small.json
@@ -0,0 +1 @@
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2.6994684337014716, 0.6018951485669849, 4.25953733239292, 4.340151227555079, 3.4638932141253838, 3.258825233474055, 1.5938349641673355, 2.136226121420319, 2.0549003102276995, 1.1554089126300127, 3.514022661457716, 2.561844853258894, 0.5928164515963202, 0.4029885738492006, 2.008570956998873, 0.07628758763221999, 2.6033539277987434, 1.9226417857475693, 0.1196661293915674, 0.9764903915042672, 2.210289226622224, 3.2726811793439237, 2.340843623848187, 4.81123447833062, 4.755675751255065, 1.4412031603502207, 2.7345959822653936, 0.08999334753414245, 4.993986038969638, 2.603095627215258, 4.538723673639708, 0.6180279231433183, 0.3994918775093892, 0.7849589611430302, 2.4243240442346305, 4.687611492219963, 2.7739709771207433, 4.9953614974606095, 0.11066042131829323, 0.7148916832790081, 4.636245722400441, 3.146527519255063, 0.44097432109178547, 0.5832586974952209, 4.708483034479618, 1.9341531327406942, 1.4765400200898782, 1.4620528069010452, 0.39005690957735706, 4.197234546256637, 2.9041483709602733, 3.7230942393285265, 3.9033661936524373, 1.7798076834482701, 2.8989996477262854, 1.720636416519235, 0.3294037066787181, 0.6933888853932252, 3.6970788016987166, 1.9030334062530048, 0.041720247949599276, 0.4768414178829805, 4.9741561686229225, 3.527117564552242, 2.8378810679140978, 1.4038071258664737, 2.2407544265380395, 1.8963966028250245, 0.5710464325986853, 0.13531236873987829, 1.7665665935308046, 1.1809527972059353, 0.3989526713107572, 1.1572461796601585, 2.0473701132343574, 4.726133627377804, 1.9545627312221252, 3.7376795684826143, 3.9399879612491553, 1.4091990734156075, 0.10414026249895292, 2.080253868287307, 4.19796135616294, 2.574588618190379, 1.8732154272246633, 3.5415707678304957, 0.8166382322843802, 4.142680719045015, 1.0093957927167363, 1.3182422286286362, 1.2229704207518766, 0.2726968360219362, 2.6825691845693034, 4.735991857282061, 1.2623452044348915, 1.3374982564266935, 4.540907531823661, 0.8899133984218138, 3.275592444752424, 2.728647358239858, 4.466318619510537, 4.0648001574945205, 2.168475587917439, 1.2080864162397886, 2.7148519012648418, 3.2296262284797495, 4.899386861644957, 3.08002902953025, 1.7425440417072773, 1.7554979973473221, 0.9462221837133961, 3.680909829732107, 3.1807077927026004, 2.5982411597071042, 2.772850262501125, 3.6729046295675967, 2.7752064907841802, 1.7667481100549787, 0.9232781192891187, 1.0272259663203553, 3.6046646885827367, 4.813133713171014, 2.5388282693782065, 4.697246602723718, 2.342593817966417, 1.1322938420830702, 4.0620307006933025, 0.8356971076262992, 4.655706543504564, 4.312160488689457, 4.121752070591629, 4.327848175882223, 0.9203432244892507, 2.9877551719322666, 2.779446177229561, 1.5274378558380308, 2.4677928966281533, 0.8443797620007959, 2.5887662724689737], "expected": [3.7965592174769474, 5.788249085098323, 1.3200741818573547, 6.422650090273962, 6.0534169190951665, 5.284937203915041, 3.132605759873491, 2.6516473668646396, 6.300721785075424, 4.794981797780214, 0.8805259813821882, 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diff --git a/base/special/xlogyf/test/test.js b/base/special/xlogyf/test/test.js
new file mode 100644
index 000000000..047a31184
--- /dev/null
+++ b/base/special/xlogyf/test/test.js
@@ -0,0 +1,181 @@
+/**
+* @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 tape = require( 'tape' );
+var isnanf = require( './../../../../base/assert/is-nanf' );
+var EPS = require( '@stdlib/constants/float32/eps' );
+var absf = require( './../../../../base/special/absf' );
+var float64ToFloat32 = require( '@stdlib/number/float64/base/to-float32' );
+var xlogyf = require( './../lib' );
+
+
+// FIXTURES //
+
+var smallSmall = require( './fixtures/python/small_small.json' );
+var smallLarge = require( './fixtures/python/small_large.json' );
+var largeSmall = require( './fixtures/python/large_small.json' );
+var largeLarge = require( './fixtures/python/large_large.json' );
+
+
+// TESTS //
+
+tape( 'main export is a function', function test( t ) {
+	t.ok( true, __filename );
+	t.strictEqual( typeof xlogyf, 'function', 'main export is a function' );
+	t.end();
+});
+
+tape( 'the function returns `NaN` when provided `NaN` for any parameter', function test( t ) {
+	var out = xlogyf( NaN, 2.0 );
+	t.strictEqual( isnanf( out ), true, 'returns expected value' );
+
+	out = xlogyf( 0.0, NaN );
+	t.strictEqual( isnanf( out ), true, 'returns expected value' );
+
+	out = xlogyf( 3.4, NaN );
+	t.strictEqual( isnanf( out ), true, 'returns expected value' );
+
+	out = xlogyf( NaN, NaN );
+	t.strictEqual( isnanf( out ), true, 'returns expected value' );
+	t.end();
+});
+
+tape( 'the function returns `0` when `x = 0` and `y` is a number', function test( t ) {
+	var out = xlogyf( 0.0, 2.0 );
+	t.strictEqual( out, 0.0, 'returns expected value' );
+
+	out = xlogyf( 0.0, 0.0 );
+	t.strictEqual( out, 0.0, 'returns expected value' );
+
+	out = xlogyf( 0.0, -3.0 );
+	t.strictEqual( out, 0.0, 'returns expected value' );
+
+	t.end();
+});
+
+tape( 'the function evaluates `x * ln(y)` for small `x` and `y`', function test( t ) {
+	var expected;
+	var delta;
+	var out;
+	var tol;
+	var x;
+	var y;
+	var i;
+	var e;
+
+	expected = smallSmall.expected;
+	x = smallSmall.x;
+	y = smallSmall.y;
+	for ( i = 0; i < x.length; i++ ) {
+		e = float64ToFloat32( expected[ i ] );
+		out = xlogyf( x[ i ], y[ i ] );
+		if ( out === e ) {
+			t.strictEqual( out, e, 'x: '+x[ i ]+', out: '+out+', expected: '+e );
+		} else {
+			delta = absf( out - e );
+			tol = 17.0 * EPS * absf( e );
+			t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. v: '+out+'. E: '+e+' Δ: '+delta+'. tol: '+tol );
+		}
+	}
+	t.end();
+});
+
+tape( 'the function evaluates `x * ln(y)` for small `x` and large `y`', function test( t ) {
+	var expected;
+	var delta;
+	var out;
+	var tol;
+	var x;
+	var y;
+	var i;
+	var e;
+
+	expected = smallLarge.expected;
+	x = smallLarge.x;
+	y = smallLarge.y;
+	for ( i = 0; i < x.length; i++ ) {
+		e = float64ToFloat32( expected[ i ] );
+		out = xlogyf( x[ i ], y[ i ] );
+		if ( out === e ) {
+			t.strictEqual( out, e, 'x: '+x[ i ]+', out: '+out+', expected: '+e );
+		} else {
+			delta = absf( out - e );
+			tol = 2.0 * EPS * absf( e );
+			t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. v: '+out+'. E: '+e+' Δ: '+delta+'. tol: '+tol );
+		}
+	}
+	t.end();
+});
+
+tape( 'the function evaluates `x * ln(y)` for large `x` and small `y`', function test( t ) {
+	var expected;
+	var delta;
+	var out;
+	var tol;
+	var x;
+	var y;
+	var i;
+	var e;
+
+	expected = largeSmall.expected;
+	x = largeSmall.x;
+	y = largeSmall.y;
+	for ( i = 0; i < x.length; i++ ) {
+		e = float64ToFloat32( expected[ i ] );
+		out = xlogyf( x[ i ], y[ i ] );
+		if ( out === e ) {
+			t.strictEqual( out, e, 'x: '+x[ i ]+', out: '+out+', expected: '+e );
+		} else {
+			delta = absf( out - e );
+			tol = 83.0 * EPS * absf( e );
+			t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. v: '+out+'. E: '+e+' Δ: '+delta+'. tol: '+tol );
+		}
+	}
+	t.end();
+});
+
+tape( 'the function evaluates `x * ln(y)` for large `x` and `y`', function test( t ) {
+	var expected;
+	var delta;
+	var out;
+	var tol;
+	var x;
+	var y;
+	var i;
+	var e;
+
+	expected = largeLarge.expected;
+	x = largeLarge.x;
+	y = largeLarge.y;
+	for ( i = 0; i < x.length; i++ ) {
+		e = float64ToFloat32( expected[ i ] );
+		out = xlogyf( x[ i ], y[ i ] );
+		if ( out === e ) {
+			t.strictEqual( out, e, 'x: '+x[ i ]+', out: '+out+', expected: '+e );
+		} else {
+			delta = absf( out - e );
+			tol = 2.0 * EPS * absf( e );
+			t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. v: '+out+'. E: '+e+' Δ: '+delta+'. tol: '+tol );
+		}
+	}
+	t.end();
+});
diff --git a/base/special/xlogyf/test/test.native.js b/base/special/xlogyf/test/test.native.js
new file mode 100644
index 000000000..431200079
--- /dev/null
+++ b/base/special/xlogyf/test/test.native.js
@@ -0,0 +1,190 @@
+/**
+* @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 tape = require( 'tape' );
+var isnanf = require( './../../../../base/assert/is-nanf' );
+var EPS = require( '@stdlib/constants/float32/eps' );
+var absf = require( './../../../../base/special/absf' );
+var float64ToFloat32 = require( '@stdlib/number/float64/base/to-float32' );
+var tryRequire = require( '@stdlib/utils/try-require' );
+
+
+// FIXTURES //
+
+var smallSmall = require( './fixtures/python/small_small.json' );
+var smallLarge = require( './fixtures/python/small_large.json' );
+var largeSmall = require( './fixtures/python/large_small.json' );
+var largeLarge = require( './fixtures/python/large_large.json' );
+
+
+// VARIABLES //
+
+var xlogyf = tryRequire( resolve( __dirname, './../lib/native.js' ) );
+var opts = {
+	'skip': ( xlogyf instanceof Error )
+};
+
+
+// TESTS //
+
+tape( 'main export is a function', opts, function test( t ) {
+	t.ok( true, __filename );
+	t.strictEqual( typeof xlogyf, 'function', 'main export is a function' );
+	t.end();
+});
+
+tape( 'the function returns `NaN` when provided `NaN` for any parameter', opts, function test( t ) {
+	var out = xlogyf( NaN, 2.0 );
+	t.strictEqual( isnanf( out ), true, 'returns expected value' );
+
+	out = xlogyf( 0.0, NaN );
+	t.strictEqual( isnanf( out ), true, 'returns expected value' );
+
+	out = xlogyf( 3.4, NaN );
+	t.strictEqual( isnanf( out ), true, 'returns expected value' );
+
+	out = xlogyf( NaN, NaN );
+	t.strictEqual( isnanf( out ), true, 'returns expected value' );
+	t.end();
+});
+
+tape( 'the function returns `0` when `x = 0` and `y` is a number', opts, function test( t ) {
+	var out = xlogyf( 0.0, 2.0 );
+	t.strictEqual( out, 0.0, 'returns expected value' );
+
+	out = xlogyf( 0.0, 0.0 );
+	t.strictEqual( out, 0.0, 'returns expected value' );
+
+	out = xlogyf( 0.0, -3.0 );
+	t.strictEqual( out, 0.0, 'returns expected value' );
+
+	t.end();
+});
+
+tape( 'the function evaluates `x * ln(y)` for small `x` and `y`', opts, function test( t ) {
+	var expected;
+	var delta;
+	var out;
+	var tol;
+	var x;
+	var y;
+	var i;
+	var e;
+
+	expected = smallSmall.expected;
+	x = smallSmall.x;
+	y = smallSmall.y;
+	for ( i = 0; i < x.length; i++ ) {
+		e = float64ToFloat32( expected[ i ] );
+		out = xlogyf( x[ i ], y[ i ] );
+		if ( out === e ) {
+			t.strictEqual( out, e, 'x: '+x[ i ]+', out: '+out+', expected: '+e );
+		} else {
+			delta = absf( out - e );
+			tol = 17.0 * EPS * absf( e );
+			t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. v: '+out+'. E: '+e+' Δ: '+delta+'. tol: '+tol );
+		}
+	}
+	t.end();
+});
+
+tape( 'the function evaluates `x * ln(y)` for small `x` and large `y`', opts, function test( t ) {
+	var expected;
+	var delta;
+	var out;
+	var tol;
+	var x;
+	var y;
+	var i;
+	var e;
+
+	expected = smallLarge.expected;
+	x = smallLarge.x;
+	y = smallLarge.y;
+	for ( i = 0; i < x.length; i++ ) {
+		e = float64ToFloat32( expected[ i ] );
+		out = xlogyf( x[ i ], y[ i ] );
+		if ( out === e ) {
+			t.strictEqual( out, e, 'x: '+x[ i ]+', out: '+out+', expected: '+e );
+		} else {
+			delta = absf( out - e );
+			tol = 2.0 * EPS * absf( e );
+			t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. v: '+out+'. E: '+e+' Δ: '+delta+'. tol: '+tol );
+		}
+	}
+	t.end();
+});
+
+tape( 'the function evaluates `x * ln(y)` for large `x` and small `y`', opts, function test( t ) {
+	var expected;
+	var delta;
+	var out;
+	var tol;
+	var x;
+	var y;
+	var i;
+	var e;
+
+	expected = largeSmall.expected;
+	x = largeSmall.x;
+	y = largeSmall.y;
+	for ( i = 0; i < x.length; i++ ) {
+		e = float64ToFloat32( expected[ i ] );
+		out = xlogyf( x[ i ], y[ i ] );
+		if ( out === e ) {
+			t.strictEqual( out, e, 'x: '+x[ i ]+', out: '+out+', expected: '+e );
+		} else {
+			delta = absf( out - e );
+			tol = 83.0 * EPS * absf( e );
+			t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. v: '+out+'. E: '+e+' Δ: '+delta+'. tol: '+tol );
+		}
+	}
+	t.end();
+});
+
+tape( 'the function evaluates `x * ln(y)` for large `x` and `y`', opts, function test( t ) {
+	var expected;
+	var delta;
+	var out;
+	var tol;
+	var x;
+	var y;
+	var i;
+	var e;
+
+	expected = largeLarge.expected;
+	x = largeLarge.x;
+	y = largeLarge.y;
+	for ( i = 0; i < x.length; i++ ) {
+		e = float64ToFloat32( expected[ i ] );
+		out = xlogyf( x[ i ], y[ i ] );
+		if ( out === e ) {
+			t.strictEqual( out, e, 'x: '+x[ i ]+', out: '+out+', expected: '+e );
+		} else {
+			delta = absf( out - e );
+			tol = 2.0 * EPS * absf( e );
+			t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. v: '+out+'. E: '+e+' Δ: '+delta+'. tol: '+tol );
+		}
+	}
+	t.end();
+});