diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/LICENSE b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/LICENSE
new file mode 100644
index 000000000000..a7566ad6f2c3
--- /dev/null
+++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/LICENSE
@@ -0,0 +1,192 @@
+
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+ 1. Definitions.
+
+ "License" shall mean the terms and conditions for use, reproduction,
+ and distribution as defined by Sections 1 through 9 of this document.
+
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+
+ "You" (or "Your") shall mean an individual or Legal Entity
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+ including but not limited to software source code, documentation
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+ not limited to compiled object code, generated documentation,
+ and conversions to other media types.
+
+ "Work" shall mean the work of authorship, whether in Source or
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+
+ "Derivative Works" shall mean any work, whether in Source or Object
+ form, that is based on (or derived from) the Work and for which the
+ editorial revisions, annotations, elaborations, or other modifications
+ represent, as a whole, an original work of authorship. For the purposes
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+ separable from, or merely link (or bind by name) to the interfaces of,
+ the Work and Derivative Works thereof.
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+ "Contribution" shall mean any work of authorship, including
+ the original version of the Work and any modifications or additions
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+ submitted to Licensor for inclusion in the Work by the copyright owner
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+ worldwide, non-exclusive, no-charge, royalty-free, irrevocable
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+ or contributory patent infringement, then any patent licenses
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+ as of the date such litigation is filed.
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+ 4. Redistribution. You may reproduce and distribute copies of the
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+ modifications, and in Source or Object form, provided that You
+ meet the following conditions:
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+ (a) You must give any other recipients of the Work or
+ Derivative Works a copy of this License; and
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+ (b) You must cause any modified files to carry prominent notices
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+ (d) If the Work includes a "NOTICE" text file as part of its
+ distribution, then any Derivative Works that You distribute must
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+ You may add Your own copyright statement to Your modifications and
+ may provide additional or different license terms and conditions
+ for use, reproduction, or distribution of Your modifications, or
+ for any such Derivative Works as a whole, provided Your use,
+ reproduction, and distribution of the Work otherwise complies with
+ the conditions stated in this License.
+
+ 5. Submission of Contributions. Unless You explicitly state otherwise,
+ any Contribution intentionally submitted for inclusion in the Work
+ by You to the Licensor shall be under the terms and conditions of
+ this License, without any additional terms or conditions.
+ Notwithstanding the above, nothing herein shall supersede or modify
+ the terms of any separate license agreement you may have executed
+ with Licensor regarding such Contributions.
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+ 6. Trademarks. This License does not grant permission to use the trade
+ names, trademarks, service marks, or product names of the Licensor,
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+
+ 7. Disclaimer of Warranty. Unless required by applicable law or
+ agreed to in writing, Licensor provides the Work (and each
+ Contributor provides its Contributions) on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ implied, including, without limitation, any warranties or conditions
+ of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+ PARTICULAR PURPOSE. You are solely responsible for determining the
+ appropriateness of using or redistributing the Work and assume any
+ risks associated with Your exercise of permissions under this License.
+
+ 8. Limitation of Liability. In no event and under no legal theory,
+ whether in tort (including negligence), contract, or otherwise,
+ unless required by applicable law (such as deliberate and grossly
+ negligent acts) or agreed to in writing, shall any Contributor be
+ liable to You for damages, including any direct, indirect, special,
+ incidental, or consequential damages of any character arising as a
+ result of this License or out of the use or inability to use the
+ Work (including but not limited to damages for loss of goodwill,
+ work stoppage, computer failure or malfunction, or any and all
+ other commercial damages or losses), even if such Contributor
+ has been advised of the possibility of such damages.
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+ 9. Accepting Warranty or Additional Liability. While redistributing
+ the Work or Derivative Works thereof, You may choose to offer,
+ and charge a fee for, acceptance of support, warranty, indemnity,
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+ on Your own behalf and on Your sole responsibility, not on behalf
+ of any other Contributor, and only if You agree to indemnify,
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+ of your accepting any such warranty or additional liability.
+
+ END OF TERMS AND CONDITIONS
+
+DEPENDENCIES & ATTRIBUTION
+
+The library links against the following external libraries or contains
+implementations from the following external libraries, which have their own
+licenses:
+
+* FreeBSD
+
+Copyright (C) 1993-2004 by Sun Microsystems, Inc. All rights reserved.
+
+Developed at SunPro, a Sun Microsystems, Inc. business.
+Permission to use, copy, modify, and distribute this
+software is freely granted, provided that this notice
+is preserved.
diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/README.md b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/README.md
new file mode 100644
index 000000000000..a6e63612404d
--- /dev/null
+++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/README.md
@@ -0,0 +1,184 @@
+
+
+# kernelCosf
+
+> Compute the [cosine][cosine] of a number on `[-π/4, π/4]` in single-precision floating-point format.
+
+
+
+## Usage
+
+```javascript
+var kernelCosf = require( '@stdlib/math/base/special/kernel-cosf' );
+```
+
+#### kernelCosf( x )
+
+Computes the [cosine][cosine] of a number on `[-π/4, π/4]` in single-precision floating-point format.
+
+```javascript
+var v = kernelCosf( 0.0 );
+// returns ~1.0
+
+v = kernelCosf( 3.141592653589793/6.0 );
+// returns ~0.866
+
+v = kernelCosf( 0.785 );
+// returns ~0.707
+
+v = kernelCosf( NaN );
+// returns NaN
+```
+
+
+
+
+
+
+
+## Examples
+
+
+
+```javascript
+var linspace = require( '@stdlib/array/base/linspace' );
+var logEachMap = require( '@stdlib/console/log-each-map' );
+var PI = require( '@stdlib/constants/float64/pi' );
+var kernelCosf = require( '@stdlib/math/base/special/kernel-cosf' );
+
+var x = linspace( -PI/4.0, PI/4.0, 100 );
+
+logEachMap( 'kernelCosf(%0.4f) = %0.4f', x, kernelCosf );
+```
+
+
+
+
+
+
+
+* * *
+
+
+
+## C APIs
+
+
+
+
+
+
+
+
+
+
+
+### Usage
+
+```c
+#include "stdlib/math/base/special/kernel_cosf.h"
+```
+
+#### stdlib_base_kernel_cosf( x )
+
+Computes the [cosine][cosine] of a number on `[-π/4, π/4]` in single-precision floating-point format.
+
+```c
+float v = stdlib_base_kernel_cosf( 0.0 );
+// returns ~1.0f
+
+v = stdlib_base_kernel_cosf( 3.141592653589793/6.0 );
+// returns ~0.866f
+```
+
+The function accepts the following arguments:
+
+- **x**: `[in] double` input value (in radians, assumed to be bounded by `~pi/4` in magnitude).
+
+```c
+float stdlib_base_kernel_cosf( const double x );
+```
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+### Examples
+
+```c
+#include "stdlib/math/base/special/kernel_cosf.h"
+#include
+
+int main( void ) {
+ const double x[] = { -0.7853981633974483, -0.6108652381980153, -0.4363323129985824, -0.26179938779914946, -0.08726646259971649, 0.08726646259971649, 0.26179938779914935, 0.43633231299858233, 0.6108652381980153, 0.7853981633974483 };
+
+ float out;
+ int i;
+ for ( i = 0; i < 10; i++ ) {
+ out = stdlib_base_kernel_cosf( x[ i ] );
+ printf( "kernelCosf(%lf) = %f\n", x[ i ], out );
+ }
+}
+```
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+[cosine]: https://en.wikipedia.org/wiki/Cosine
+
+
+
+
+
+
+
+
diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/benchmark.js b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/benchmark.js
new file mode 100644
index 000000000000..e395d43de28c
--- /dev/null
+++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/benchmark.js
@@ -0,0 +1,53 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2025 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 uniform = require( '@stdlib/random/array/uniform' );
+var isnanf = require( '@stdlib/math/base/assert/is-nanf' );
+var PI = require( '@stdlib/constants/float64/pi' );
+var pkg = require( './../package.json' ).name;
+var kernelCosf = require( './../lib' );
+
+
+// MAIN //
+
+bench( pkg, function benchmark( b ) {
+ var x;
+ var y;
+ var i;
+
+ x = uniform( 100, -PI/4.0, PI/4.0 );
+
+ b.tic();
+ for ( i = 0; i < b.iterations; i++ ) {
+ y = kernelCosf( 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();
+});
diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/benchmark.native.js
new file mode 100644
index 000000000000..2353d1ccbcf9
--- /dev/null
+++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/benchmark.native.js
@@ -0,0 +1,62 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2025 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 uniform = require( '@stdlib/random/array/uniform' );
+var isnanf = require( '@stdlib/math/base/assert/is-nanf' );
+var PI = require( '@stdlib/constants/float64/pi' );
+var tryRequire = require( '@stdlib/utils/try-require' );
+var pkg = require( './../package.json' ).name;
+
+
+// VARIABLES //
+
+var kernelCosf = tryRequire( resolve( __dirname, './../lib/native.js' ) );
+var opts = {
+ 'skip': ( kernelCosf instanceof Error )
+};
+
+
+// MAIN //
+
+bench( pkg+'::native', opts, function benchmark( b ) {
+ var x;
+ var y;
+ var i;
+
+ x = uniform( 100, -PI/4.0, PI/4.0 );
+
+ b.tic();
+ for ( i = 0; i < b.iterations; i++ ) {
+ y = kernelCosf( 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();
+});
diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/c/native/Makefile b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/c/native/Makefile
new file mode 100644
index 000000000000..5d7e79f50788
--- /dev/null
+++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/c/native/Makefile
@@ -0,0 +1,146 @@
+#/
+# @license Apache-2.0
+#
+# Copyright (c) 2025 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 C source files.
+#
+# @param {string} SOURCE_FILES - list of C source files
+# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop`)
+# @param {string} [LIBRARIES] - list of libraries (e.g., `-lpthread -lblas`)
+# @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`)
+# @param {string} [C_COMPILER] - C compiler
+# @param {string} [CFLAGS] - C compiler flags
+# @param {(string|void)} [fPIC] - compiler flag indicating whether to generate position independent code
+#
+# @example
+# make
+#
+# @example
+# make all
+#/
+all: $(c_targets)
+
+.PHONY: all
+
+#/
+# Compiles C source files.
+#
+# @private
+# @param {string} SOURCE_FILES - list of C source files
+# @param {(string|void)} INCLUDE - list of includes (e.g., `-I /foo/bar -I /beep/boop`)
+# @param {(string|void)} LIBRARIES - list of libraries (e.g., `-lpthread -lblas`)
+# @param {(string|void)} LIBPATH - list of library paths (e.g., `-L /foo/bar -L /beep/boop`)
+# @param {string} CC - C compiler
+# @param {string} CFLAGS - C compiler flags
+# @param {(string|void)} fPIC - compiler flag indicating whether to generate position independent code
+#/
+$(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/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/c/native/benchmark.c b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/c/native/benchmark.c
new file mode 100644
index 000000000000..5770744a77d4
--- /dev/null
+++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/benchmark/c/native/benchmark.c
@@ -0,0 +1,136 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2025 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/kernel_cosf.h"
+#include
+#include
+#include
+#include
+#include
+
+#define NAME "kernel_cosf"
+#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 double rand_double( void ) {
+ int r = rand();
+ return (double)r / ( (double)RAND_MAX + 1.0 );
+}
+
+/**
+* Runs a benchmark.
+*
+* @return elapsed time in seconds
+*/
+static double benchmark( void ) {
+ double elapsed;
+ double x[ 100 ];
+ double t;
+ float z;
+ int i;
+
+ for ( i = 0; i < 100; i++ ) {
+ x[ i ] = ( ( rand_double()*2.0 ) - 1.0 ) * 0.7853981633974483;
+ }
+
+ t = tic();
+ for ( i = 0; i < ITERATIONS; i++ ) {
+ z = stdlib_base_kernel_cosf( x[ i%100 ] );
+ if ( z != z ) {
+ printf( "should not return NaN\n" );
+ break;
+ }
+ }
+ elapsed = tic() - t;
+ if ( z != z ) {
+ 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::%s\n", NAME );
+ elapsed = benchmark();
+ print_results( elapsed );
+ printf( "ok %d benchmark finished\n", i+1 );
+ }
+ print_summary( REPEATS, REPEATS );
+}
diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/binding.gyp b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/binding.gyp
new file mode 100644
index 000000000000..68a1ca11d160
--- /dev/null
+++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/binding.gyp
@@ -0,0 +1,170 @@
+# @license Apache-2.0
+#
+# Copyright (c) 2025 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/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/repl.txt b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/repl.txt
new file mode 100644
index 000000000000..0c54355b1116
--- /dev/null
+++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/repl.txt
@@ -0,0 +1,31 @@
+
+{{alias}}( x )
+ Computes the cosine of a number on the interval [-π/4, π/4] in
+ single-precision floating-point format.
+
+ If provided `NaN`, the function returns `NaN`.
+
+ Parameters
+ ----------
+ x: number
+ Input value (in radians).
+
+ Returns
+ -------
+ out: number
+ Cosine.
+
+ Examples
+ --------
+ > var out = {{alias}}( 0.0 )
+ ~1.0
+ > out = {{alias}}( {{alias:@stdlib/constants/float64/pi}}/6.0 )
+ ~0.866
+ > out = {{alias}}( 0.785 )
+ ~0.707
+ > out = {{alias}}( NaN )
+ NaN
+
+ See Also
+ --------
+
diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/types/index.d.ts b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/types/index.d.ts
new file mode 100644
index 000000000000..ef005368bd1a
--- /dev/null
+++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/types/index.d.ts
@@ -0,0 +1,48 @@
+/*
+* @license Apache-2.0
+*
+* Copyright (c) 2025 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 the cosine of a number on \\( \[-\pi/4, \pi/4] \\) in single-precision floating-point format, where \\( \pi/4 \approx 0.785398164 \\).
+*
+* @param x - input value (in radians, assumed to be bounded by ~pi/4 in magnitude)
+* @returns cosine
+*
+* @example
+* var v = kernelCosf( 0.0 );
+* // returns ~1.0
+*
+* @example
+* var v = kernelCosf( 3.141592653589793/6.0 );
+* // returns ~0.866
+*
+* @example
+* var v = kernelCosf( 0.785 );
+* // returns ~0.707
+*
+* @example
+* var v = kernelCosf( NaN );
+* // returns NaN
+*/
+declare function kernelCosf( x: number ): number;
+
+
+// EXPORTS //
+
+export = kernelCosf;
diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/types/test.ts b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/types/test.ts
new file mode 100644
index 000000000000..b27bb53c3bfe
--- /dev/null
+++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/docs/types/test.ts
@@ -0,0 +1,44 @@
+/*
+* @license Apache-2.0
+*
+* Copyright (c) 2025 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 kernelCosf = require( './index' );
+
+
+// TESTS //
+
+// The function returns a number...
+{
+ kernelCosf( 0.5 ); // $ExpectType number
+}
+
+// The compiler throws an error if the function is provided a value other than a number...
+{
+ kernelCosf( true ); // $ExpectError
+ kernelCosf( false ); // $ExpectError
+ kernelCosf( null ); // $ExpectError
+ kernelCosf( undefined ); // $ExpectError
+ kernelCosf( '5' ); // $ExpectError
+ kernelCosf( [] ); // $ExpectError
+ kernelCosf( {} ); // $ExpectError
+ kernelCosf( ( x: number ): number => x ); // $ExpectError
+}
+
+// The compiler throws an error if the function is provided insufficient arguments...
+{
+ kernelCosf(); // $ExpectError
+}
diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/c/Makefile b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/c/Makefile
new file mode 100644
index 000000000000..25ced822f96a
--- /dev/null
+++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/c/Makefile
@@ -0,0 +1,146 @@
+#/
+# @license Apache-2.0
+#
+# Copyright (c) 2025 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/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/c/example.c b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/c/example.c
new file mode 100644
index 000000000000..172b63059c2d
--- /dev/null
+++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/c/example.c
@@ -0,0 +1,31 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2025 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/kernel_cosf.h"
+#include
+
+int main( void ) {
+ const double x[] = { -0.7853981633974483, -0.6108652381980153, -0.4363323129985824, -0.26179938779914946, -0.08726646259971649, 0.08726646259971649, 0.26179938779914935, 0.43633231299858233, 0.6108652381980153, 0.7853981633974483 };
+
+ float out;
+ int i;
+ for ( i = 0; i < 10; i++ ) {
+ out = stdlib_base_kernel_cosf( x[ i ] );
+ printf( "kernelCosf(%lf) = %f\n", x[ i ], out );
+ }
+}
diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/index.js b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/index.js
new file mode 100644
index 000000000000..1dc8c89b1e64
--- /dev/null
+++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/examples/index.js
@@ -0,0 +1,28 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2025 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 linspace = require( '@stdlib/array/base/linspace' );
+var logEachMap = require( '@stdlib/console/log-each-map' );
+var PI = require( '@stdlib/constants/float64/pi' );
+var kernelCosf = require( './../lib' );
+
+var x = linspace( -PI/4.0, PI/4.0, 100 );
+
+logEachMap( 'kernelCosf(%0.4f) = %0.4f', x, kernelCosf );
diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/include.gypi b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/include.gypi
new file mode 100644
index 000000000000..ecfaf82a3279
--- /dev/null
+++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/include.gypi
@@ -0,0 +1,53 @@
+# @license Apache-2.0
+#
+# Copyright (c) 2025 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': [
+ '=0.10.0",
+ "npm": ">2.7.0"
+ },
+ "os": [
+ "aix",
+ "darwin",
+ "freebsd",
+ "linux",
+ "macos",
+ "openbsd",
+ "sunos",
+ "win32",
+ "windows"
+ ],
+ "keywords": [
+ "stdlib",
+ "stdmath",
+ "mathematics",
+ "math",
+ "math.cos",
+ "cos",
+ "cosf",
+ "cosine",
+ "kernel",
+ "trig",
+ "trigonometry",
+ "radians",
+ "angle"
+ ]
+}
diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/scripts/evalpoly.js b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/scripts/evalpoly.js
new file mode 100644
index 000000000000..783f06bb743d
--- /dev/null
+++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/scripts/evalpoly.js
@@ -0,0 +1,118 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2025 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.
+*/
+
+/*
+* This script compiles modules for evaluating polynomial functions. If any polynomial coefficients change, this script should be rerun to update the compiled files.
+*/
+'use strict';
+
+// MODULES //
+
+var resolve = require( 'path' ).resolve;
+var readFileSync = require( '@stdlib/fs/read-file' ).sync;
+var writeFileSync = require( '@stdlib/fs/write-file' ).sync;
+var currentYear = require( '@stdlib/time/current-year' );
+var substringBefore = require( '@stdlib/string/substring-before' );
+var substringAfter = require( '@stdlib/string/substring-after' );
+var format = require( '@stdlib/string/format' );
+var licenseHeader = require( '@stdlib/_tools/licenses/header' );
+var compile = require( '@stdlib/math/base/tools/evalpoly-compile' );
+var compileC = require( '@stdlib/math/base/tools/evalpoly-compile-c' );
+
+
+// VARIABLES //
+
+// Polynomial coefficients ordered in ascending degree...
+var C23 = [
+ -0.00138867637746099294692, // -0x16c087e80f1e27.0p-62
+ 0.0000243904487962774090654 // 0x199342e0ee5069.0p-68
+];
+
+// Header to add to output files:
+var header = licenseHeader( 'Apache-2.0', 'js', {
+ 'year': currentYear(),
+ 'copyright': 'The Stdlib Authors'
+});
+header += '\n/* This is a generated file. Do not edit directly. */\n';
+
+
+// FUNCTIONS //
+
+/**
+* Inserts a compiled function into file content.
+*
+* @private
+* @param {string} text - source content
+* @param {string} id - function identifier
+* @param {string} str - function string
+* @returns {string} updated content
+*/
+function insert( text, id, str ) {
+ var before;
+ var after;
+ var begin;
+ var end;
+
+ begin = '// BEGIN: '+id;
+ end = '// END: '+id;
+
+ before = substringBefore( text, begin );
+ after = substringAfter( text, end );
+
+ return format( '%s// BEGIN: %s\n\n%s\n%s%s', before, id, str, end, after );
+}
+
+
+// MAIN //
+
+/**
+* Main execution sequence.
+*
+* @private
+*/
+function main() {
+ var fpath;
+ var copts;
+ var opts;
+ var file;
+ var str;
+
+ opts = {
+ 'encoding': 'utf8'
+ };
+
+ fpath = resolve( __dirname, '..', 'lib', 'polyval_c23.js' );
+ str = header + compile( C23 );
+ writeFileSync( fpath, str, opts );
+
+ copts = {
+ 'dtype': 'double',
+ 'name': ''
+ };
+
+ fpath = resolve( __dirname, '..', 'src', 'main.c' );
+ file = readFileSync( fpath, opts );
+
+ copts.name = 'polyval_c23';
+ str = compileC( C23, copts );
+ file = insert( file, copts.name, str );
+
+ writeFileSync( fpath, file, opts );
+}
+
+main();
diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/Makefile b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/Makefile
new file mode 100644
index 000000000000..7733b6180cb4
--- /dev/null
+++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/Makefile
@@ -0,0 +1,70 @@
+#/
+# @license Apache-2.0
+#
+# Copyright (c) 2025 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/lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/addon.c b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/addon.c
new file mode 100644
index 000000000000..e2ab41bb3059
--- /dev/null
+++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/addon.c
@@ -0,0 +1,22 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2025 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/kernel_cosf.h"
+#include "stdlib/math/base/napi/unary.h"
+
+STDLIB_MATH_BASE_NAPI_MODULE_D_F( stdlib_base_kernel_cosf )
diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/main.c b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/main.c
new file mode 100644
index 000000000000..621304f11fda
--- /dev/null
+++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/src/main.c
@@ -0,0 +1,83 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2025 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.
+*
+*
+* ## Notice
+*
+* The following copyright, license, and long comment were part of the original implementation available as part of [FreeBSD]{@link https://svnweb.freebsd.org/base/release/12.2.0/lib/msun/src/k_cosf.c}. The implementation follows the original, but has been modified according to project conventions.
+*
+* ```text
+* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+*
+* Developed at SunPro, a Sun Microsystems, Inc. business.
+* Permission to use, copy, modify, and distribute this
+* software is freely granted, provided that this notice
+* is preserved.
+* ```
+*/
+
+#include "stdlib/math/base/special/kernel_cosf.h"
+
+static const double C0 = -0.499999997251031003120; // -0x1ffffffd0c5e81.0p-54
+static const double C1 = 0.0416666233237390631894; // 0x155553e1053a42.0p-57
+
+/* Begin auto-generated functions. The following functions are auto-generated. Do not edit directly. */
+
+// BEGIN: polyval_c23
+
+/**
+* Evaluates a polynomial.
+*
+* ## Notes
+*
+* - The implementation uses [Horner's rule][horners-method] for efficient computation.
+*
+* [horners-method]: https://en.wikipedia.org/wiki/Horner%27s_method
+*
+* @param x value at which to evaluate the polynomial
+* @return evaluated polynomial
+*/
+static double polyval_c23( const double x ) {
+ return -0.001388676377460993 + (x * 0.00002439044879627741);
+}
+
+// END: polyval_c23
+
+/**
+* Computes the cosine of a number on \\( \[-\pi/4, \pi/4] \\) in single-precision floating-point format, where \\( \pi/4 \approx 0.785398164 \\).
+*
+* ## Notes
+*
+* - \\( | \cos(x) - c(x) | < 2^{-34.1} \\), where \\( 2^{-34.1} \approx \[ -5.37 \times 10^{-11}, 5.295 \times 10^{-11} \] \\).
+*
+* @param x input value (in radians, assumed to be bounded by `~pi/4` in magnitude)
+* @return cosine
+*
+* @example
+* float out = stdlib_base_kernel_cosf( 3.141592653589793/6.0 );
+* // returns ~0.866f
+*/
+float stdlib_base_kernel_cosf( const double x ) {
+ double r;
+ double w;
+ double z;
+
+ z = x * x;
+ w = z * z;
+ r = polyval_c23( z );
+ return ( ( 1.0 + ( z*C0 ) ) + ( w*C1 ) ) + ( ( w*z ) * r );
+}
diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/REQUIRE b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/REQUIRE
new file mode 100644
index 000000000000..308c3be89c85
--- /dev/null
+++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/REQUIRE
@@ -0,0 +1,2 @@
+julia 1.5
+JSON 0.21
diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/large_negative.json b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/large_negative.json
new file mode 100644
index 000000000000..abfd7ea80078
--- /dev/null
+++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/large_negative.json
@@ -0,0 +1 @@
+{"expected":[1.0,0.9920988,0.96851933,0.9296398,0.8760653,0.8086462,0.728448,0.6367497,0.53497833,0.42475268,0.30781457,0.186027,0.06128513,-0.064425245,-0.1891175,-0.3108066,-0.42759898,-0.53763396,-0.6391726,-0.7305999,-0.8104932,-0.8775781,-0.930789,-0.96929777,-0.9924886,-0.99999505,-0.99170035,-0.9677336,-0.9284737,-0.874541,-0.8067968,-0.72629523,-0.63431597,-0.5323125,-0.42191067,-0.3048284,-0.18292889,-0.05813854,0.06755537,0.19219692,0.31380117,0.43044636,0.5402763,0.64158195,0.7327486,0.81233555,0.87907773,0.9319367,0.97006804,0.9928675,0.9999803,0.99129015,0.96693456,0.9273041,0.8730154,0.8049303,0.72412485,0.63188773,0.5296543,0.41905066,0.3018247,0.17984398,0.0550066,-0.07070005,-0.19528942,-0.31677812,-0.4332757,-0.5429262,-0.6439967,-0.73487973,-0.814161,-0.88057595,-0.9330751,-0.970825,-0.9932384,-0.9999555,-0.99087214,-0.9661298,-0.92611957,-0.8714737,-0.803065,-0.7219578,-0.62944144,-0.5269779,-0.41620037,-0.29883257,-0.17674226,-0.051858887,0.0738288,0.198365,0.31976643,0.43611452,0.54555786,0.6463934,0.7370139,0.8159872,0.88205826,0.9341988,0.9715761,0.9935977,0.9999209,0.9904423,0.9653115,0.92493165,0.869931,0.8011826,0.7197731,0.6270008,0.5243093,0.41333207,0.2958229,0.17365383,0.0487259,-0.076972045,-0.2014536,-0.3227371,-0.43893528,-0.5481969,-0.6487953,-0.73913044,-0.8177966,-0.883539,-0.9353187,-0.9723139,-0.9939489,-0.9998763,-0.9900047,-0.96448773,-0.9237288,-0.8683721,-0.7993015,-0.7175919,-0.62454206,-0.5216225,-0.4104736,-0.2928249,-0.17054863,-0.045577187,0.08009932,0.20452525,0.32571903,0.44176543,0.55081785,0.65117925,0.74125,0.81960666,0.88500386,0.936424,0.9730457,0.9942902,0.9998221,0.98955524,0.96365035,0.92252266,0.8668121,0.7974033,0.7153929,0.622089,0.51894355,0.40759712,0.28980938,0.1674568,0.042443264,-0.08324101,-0.2076098,-0.32868332,-0.44457752,-0.553446,-0.6535683,-0.743352,-0.82139987,-0.8864671,-0.9375254,-0.9737643,-0.99462,-0.99975765,-0.9890959,-0.96280754,-0.9213015,-0.86523604,-0.79550636,-0.7131975,-0.61961794,-0.51624644,-0.40473056,-0.28680563,-0.16434826,-0.03929368,0.08636667,0.2106774,0.33165875,0.44739887,0.556056,0.65593934,0.7454568,0.82319367,0.8879145,0.93861216,0.9744768,0.99494165,0.9996837,0.9886291,0.9619511,0.92007715,0.863659,0.79359233,0.7109844,0.6171527,0.51355726,0.40184605,0.28378442,0.16125315,0.036158957,-0.08950667,-0.21375781,-0.33461654,-0.45020217,-0.5586732,-0.6583154,-0.74754405,-0.82497066,-0.88936013,-0.93969494,-0.9751762,-0.99525183,-0.9995994,-0.9881502,-0.96108925,-0.9188378,-0.86206573,-0.79167974,-0.7087749,-0.6146693,-0.5108565,-0.39896455,-0.28077504,-0.15814139,-0.033016246,0.092638195,0.21682121,0.33758536,0.45300782,0.5612785,0.6606735,0.7496341,0.82674384,0.89079344,0.9407632,0.97586936,0.995553,0.99950546,0.9876638,0.9602137,0.9175922,0.86046785,0.78975,0.70655316,0.61218584,0.5081507,0.3960791,0.27775556,0.1550356,0.029873215,-0.095768794,-0.21988992,-0.3405437,-0.455809,-0.5638783,-0.6630308,-0.75171167,-0.8285088,-0.892218,-0.94182473,-0.9765512,-0.9958443,-0.9994016,-0.9871665,-0.9593308,-0.91633767,-0.8588614,-0.7878171,-0.70432436,-0.6096964,-0.5054398,-0.39318973,-0.27473333,-0.15192826,-0.026729885,0.098898456,0.22295645,0.34349862,0.45860568,0.5664725,0.66538155,0.75378174,0.83026564,0.89363366,0.942877,0.97722334,0.99612576,0.99928796,0.98665947,0.9584384,0.91507405,0.85724646,0.78587645,0.7020832,0.60720086,0.502724,0.3902965,0.2717084,0.14881943,0.023586292,-0.10202713,-0.22602078,-0.34645018,-0.4613978,-0.56906104,-0.6677257,-0.7558444,-0.8320142,-0.8950406,-0.94391996,-0.97788584,-0.9963974,-0.99916434,-0.98614264,-0.95753646,-0.9138013,-0.85562307,-0.783928,-0.6998404,-0.6046993,-0.5000032,-0.38739938,-0.26868075,-0.14570913,-0.020442465,0.105154805,0.22908287,0.3493983,0.4641854,0.571644,0.67006326,0.7578996,0.83375454,0.89643854,0.9449535,0.97853863,0.99665916,0.9990309,0.9856161,0.9566251,0.91251963,0.8539912,0.7819718,0.6975908,0.6021918,0.49727082,0.38449842,0.26565048,0.14259739,0.017298436,-0.10828143,-0.2321427,-0.35234296,-0.46696836,-0.5742213,-0.67239416,-0.7599473,-0.83548665,-0.8978277,-0.94597775,-0.97918177,-0.99691105,-0.99888754,-0.98507977,-0.95570433,-0.91122884,-0.8523509,-0.78000784,-0.6953343,-0.59967834,-0.49454013,-0.38159367,-0.26261756,-0.13948423,-0.014154236,0.111407,0.23520024,0.35528415,0.46974674,0.57679296,0.67471844,0.76198745,0.83721054,0.89920795,0.9469927,0.97981524,0.9971531,0.9987343,0.9845337,0.954774,0.9099291,0.85070217,0.77803624,0.6930709,0.59715897,0.49180454,0.37868515,0.25957468,0.1363697,0.011009896,-0.11453146,-0.23825544,-0.35822183,-0.47252044,-0.5793589,-0.67703605,-0.7640201,-0.8389261,-0.90057933,-0.9479982,-0.980439,-0.99738526,-0.9985712,-0.983978,-0.95383435,-0.90862036,-0.849045,-0.7760569,-0.6908006,-0.59463364,-0.4890641,-0.3757729,-0.2565366,-0.13325381,-0.007865448,0.11765478,0.24130829,0.36115596,0.4752895,0.5819191,0.6793469,0.7660452,0.8406334,0.90194184,0.94899434,0.9810531,0.9976076,0.99839824,0.98341244,0.9528852,0.9073026,0.847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diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/large_positive.json b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/large_positive.json
new file mode 100644
index 000000000000..ab6206ced5ca
--- /dev/null
+++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/large_positive.json
@@ -0,0 +1 @@
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diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/runner.jl b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/runner.jl
new file mode 100755
index 000000000000..355501b3605c
--- /dev/null
+++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/runner.jl
@@ -0,0 +1,74 @@
+#!/usr/bin/env julia
+#
+# @license Apache-2.0
+#
+# Copyright (c) 2025 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 JSON
+
+"""
+ gen( domain, name )
+
+Generate fixture data and write to file.
+
+# Arguments
+
+* `domain`: domain
+* `name::AbstractString`: output filename
+
+# Examples
+
+``` julia
+julia> x = range( -1000.0, stop = 1000.0, length = 2001 );
+julia> gen( x, \"data.json\" );
+```
+"""
+function gen( domain, name )
+ x = collect( domain );
+ y = cos.( x );
+
+ # Store data to be written to file as a collection:
+ data = Dict([
+ ("x", x),
+ ("expected", y)
+ ]);
+
+ # Based on the script directory, create an output filepath:
+ filepath = joinpath( dir, name );
+
+ # Write the data to the output filepath as JSON:
+ outfile = open( filepath, "w" );
+ write( outfile, JSON.json(data) );
+ write( outfile, "\n" );
+ close( outfile );
+end
+
+# Get the filename:
+file = @__FILE__;
+
+# Extract the directory in which this file resides:
+dir = dirname( file );
+
+# Values within the defined domain:
+x = Float32.( range( -pi/4.0, stop = pi/4.0, length = 1000 ) );
+gen( x, "small_range.json" );
+
+# Positive values outside the defined domain:
+x = Float32.( range( 40.0*pi/4.0, stop = 200*pi/4.0, length = 1000 ) );
+gen( x, "large_positive.json" );
+
+# Negative values outside the defined domain:
+x = Float32.( range( -200*pi/4.0, stop = -40*pi/4.0, length = 1000 ) );
+gen( x, "large_negative.json" );
diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/small_range.json b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/small_range.json
new file mode 100644
index 000000000000..afbafdd97082
--- /dev/null
+++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/fixtures/julia/small_range.json
@@ -0,0 +1 @@
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diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/test.js b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/test.js
new file mode 100644
index 000000000000..6deb673a46cb
--- /dev/null
+++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/test.js
@@ -0,0 +1,131 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2025 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( '@stdlib/math/base/assert/is-nanf' );
+var f32 = require( '@stdlib/number/float64/base/to-float32' );
+var rempio2f = require( '@stdlib/math/base/special/rempio2f' );
+var kernelCosf = require( './../lib' );
+
+
+// FIXTURES //
+
+var smallRange = require( './fixtures/julia/small_range.json' );
+var largePositive = require( './fixtures/julia/large_positive.json' );
+var largeNegative = require( './fixtures/julia/large_negative.json' );
+
+
+// TESTS //
+
+tape( 'main export is a function', function test( t ) {
+ t.ok( true, __filename );
+ t.strictEqual( typeof kernelCosf, 'function', 'main export is a function' );
+ t.end();
+});
+
+tape( 'the function returns `NaN` if provided `NaN`', function test( t ) {
+ var v = kernelCosf( NaN );
+ t.equal( isnanf( v ), true, 'returns expected value' );
+ t.end();
+});
+
+tape( 'the function evaluates the cosine for input values on the interval `[-pi/4, pi/4]`', function test( t ) {
+ var expected;
+ var values;
+ var out;
+ var x;
+ var i;
+
+ values = smallRange.x;
+ expected = smallRange.expected;
+ for ( i = 0; i < values.length; i++ ) {
+ x = f32( values[ i ] );
+ expected[ i ] = f32( expected[ i ] );
+ out = kernelCosf( x );
+ t.strictEqual( out, expected[ i ], 'returns expected value' );
+ }
+ t.end();
+});
+
+tape( 'the function can be used to compute the cosine for input values outside of `[-pi/4, pi/4]` after argument reduction via `rempio2f` (positive)', function test( t ) {
+ var expected;
+ var values;
+ var out;
+ var x;
+ var y;
+ var n;
+ var i;
+
+ values = largePositive.x;
+ expected = largePositive.expected;
+ y = [ 0.0 ];
+ for ( i = 0; i < values.length; i++ ) {
+ x = f32( values[ i ] );
+ expected[ i ] = f32( expected[ i ] );
+ n = rempio2f( x, y );
+ switch ( n & 3 ) {
+ case 0:
+ out = kernelCosf( y[ 0 ] );
+ t.strictEqual( out, expected[ i ], 'returns expected value' );
+ break;
+ case 2:
+ out = -kernelCosf( y[ 0 ] );
+ t.strictEqual( out, expected[ i ], 'returns expected value' );
+ break;
+ default:
+ break;
+ }
+ }
+ t.end();
+});
+
+tape( 'the function can be used to compute the cosine for input values outside of `[-pi/4, pi/4]` after argument reduction via `rempio2f` (negative)', function test( t ) {
+ var expected;
+ var values;
+ var out;
+ var x;
+ var y;
+ var n;
+ var i;
+
+ values = largeNegative.x;
+ expected = largeNegative.expected;
+ y = [ 0.0 ];
+ for ( i = 0; i < values.length; i++ ) {
+ x = f32( values[ i ] );
+ expected[ i ] = f32( expected[ i ] );
+ n = rempio2f( x, y );
+ switch ( n & 3 ) {
+ case 0:
+ out = kernelCosf( y[ 0 ] );
+ t.strictEqual( out, expected[ i ], 'returns expected value' );
+ break;
+ case 2:
+ out = -kernelCosf( y[ 0 ] );
+ t.strictEqual( out, expected[ i ], 'returns expected value' );
+ break;
+ default:
+ break;
+ }
+ }
+ t.end();
+});
diff --git a/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/test.native.js b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/test.native.js
new file mode 100644
index 000000000000..9afe187ad0d2
--- /dev/null
+++ b/lib/node_modules/@stdlib/math/base/special/kernel-cosf/test/test.native.js
@@ -0,0 +1,140 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2025 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( '@stdlib/math/base/assert/is-nanf' );
+var f32 = require( '@stdlib/number/float64/base/to-float32' );
+var rempio2f = require( '@stdlib/math/base/special/rempio2f' );
+var tryRequire = require( '@stdlib/utils/try-require' );
+
+
+// VARIABLES //
+
+var kernelCosf = tryRequire( resolve( __dirname, './../lib/native.js' ) );
+var opts = {
+ 'skip': ( kernelCosf instanceof Error )
+};
+
+
+// FIXTURES //
+
+var smallRange = require( './fixtures/julia/small_range.json' );
+var largePositive = require( './fixtures/julia/large_positive.json' );
+var largeNegative = require( './fixtures/julia/large_negative.json' );
+
+
+// TESTS //
+
+tape( 'main export is a function', opts, function test( t ) {
+ t.ok( true, __filename );
+ t.strictEqual( typeof kernelCosf, 'function', 'main export is a function' );
+ t.end();
+});
+
+tape( 'the function returns `NaN` if provided `NaN`', opts, function test( t ) {
+ var v = kernelCosf( NaN );
+ t.equal( isnanf( v ), true, 'returns expected value' );
+ t.end();
+});
+
+tape( 'the function evaluates the cosine for input values on the interval `[-pi/4, pi/4]`', opts, function test( t ) {
+ var expected;
+ var values;
+ var out;
+ var x;
+ var i;
+
+ values = smallRange.x;
+ expected = smallRange.expected;
+ for ( i = 0; i < values.length; i++ ) {
+ x = f32( values[ i ] );
+ expected[ i ] = f32( expected[ i ] );
+ out = kernelCosf( x );
+ t.strictEqual( out, expected[ i ], 'returns expected value' );
+ }
+ t.end();
+});
+
+tape( 'the function can be used to compute the cosine for input values outside of `[-pi/4, pi/4]` after argument reduction via `rempio2f` (positive)', opts, function test( t ) {
+ var expected;
+ var values;
+ var out;
+ var x;
+ var y;
+ var n;
+ var i;
+
+ values = largePositive.x;
+ expected = largePositive.expected;
+ y = [ 0.0 ];
+ for ( i = 0; i < values.length; i++ ) {
+ x = f32( values[ i ] );
+ expected[ i ] = f32( expected[ i ] );
+ n = rempio2f( x, y );
+ switch ( n & 3 ) {
+ case 0:
+ out = kernelCosf( y[ 0 ] );
+ t.strictEqual( out, expected[ i ], 'returns expected value' );
+ break;
+ case 2:
+ out = -kernelCosf( y[ 0 ] );
+ t.strictEqual( out, expected[ i ], 'returns expected value' );
+ break;
+ default:
+ break;
+ }
+ }
+ t.end();
+});
+
+tape( 'the function can be used to compute the cosine for input values outside of `[-pi/4, pi/4]` after argument reduction via `rempio2f` (negative)', opts, function test( t ) {
+ var expected;
+ var values;
+ var out;
+ var x;
+ var y;
+ var n;
+ var i;
+
+ values = largeNegative.x;
+ expected = largeNegative.expected;
+ y = [ 0.0 ];
+ for ( i = 0; i < values.length; i++ ) {
+ x = f32( values[ i ] );
+ expected[ i ] = f32( expected[ i ] );
+ n = rempio2f( x, y );
+ switch ( n & 3 ) {
+ case 0:
+ out = kernelCosf( y[ 0 ] );
+ t.strictEqual( out, expected[ i ], 'returns expected value' );
+ break;
+ case 2:
+ out = -kernelCosf( y[ 0 ] );
+ t.strictEqual( out, expected[ i ], 'returns expected value' );
+ break;
+ default:
+ break;
+ }
+ }
+ t.end();
+});