diff --git a/lib/node_modules/@stdlib/math/base/special/minmax/README.md b/lib/node_modules/@stdlib/math/base/special/minmax/README.md index 9f4b1b904a3f..7645c662cf60 100644 --- a/lib/node_modules/@stdlib/math/base/special/minmax/README.md +++ b/lib/node_modules/@stdlib/math/base/special/minmax/README.md @@ -119,6 +119,107 @@ for ( i = 0; i < 100; i++ ) { + + +* * * + +
+ +## C APIs + + + +
+ +
+ + + + + +
+ +### Usage + +```c +#include "stdlib/math/base/special/minmax.h" +``` + +#### stdlib_base_minmax( x, y, &min, &max ) + +Returns the minimum and maximum value. + +```c +#include + +double min; +double max; + +stdlib_base_minmax( 3.14, NaN ); +// returns [ NaN, NaN ] +``` + +The function accepts the following arguments: + +- **x**: `[in] double` input value. +- **y**: `[in] double` input value. +- **min**: `[out] double` destination for minimum value. +- **max**: `[out] double` destination for maximum value. + +```c +void stdlib_base_minmax( const double x, const double y, double* min, double* max ); +``` + +
+ + + + + +
+ +
+ + + + + +
+ +### Examples + +```c +#include "stdlib/math/base/special/minmax.h" +#include +#include + +int main( void ) { + double min; + double max; + double x; + double y; + int i; + + const double x1[] = { 1.0, 0.45, -0.89, 0.0 / 0.0, -0.78, -0.22, 0.66, 0.11, -0.55, 0.0 }; + const double x2[] = { -0.22, 0.66, 0.0, -0.55, 0.33, 1.0, 0.0 / 0.0, 0.11, 0.45, -0.78 }; + + for ( i = 0; i < 12; i++ ) { + x = ( ( (double)rand() / (double)RAND_MAX ) * 200.0 ) - 100.0; + y = ( ( (double)rand() / (double)RAND_MAX ) * 200.0 ) - 100.0; + stdlib_base_minmax( x[ i ], y[ i ], &min, &max ); + printf( "x: %lf => min: %lf, y: %lf, minmax(x, y): %lf\n", x[ i ], y[ i ]min, max ); + } +} +``` + +
+ + + +
+ + +
diff --git a/lib/node_modules/@stdlib/math/base/special/minmax/benchmark/benchmark.js b/lib/node_modules/@stdlib/math/base/special/minmax/benchmark/benchmark.js index 0ff633a58cfc..d76994e7bf22 100644 --- a/lib/node_modules/@stdlib/math/base/special/minmax/benchmark/benchmark.js +++ b/lib/node_modules/@stdlib/math/base/special/minmax/benchmark/benchmark.js @@ -21,7 +21,7 @@ // MODULES // var bench = require( '@stdlib/bench' ); -var randu = require( '@stdlib/random/base/randu' ); +var discreteUniform = require( '@stdlib/random/array/discrete-uniform' ); var isArray = require( '@stdlib/assert/is-array' ); var min = require( '@stdlib/math/base/special/min' ); var max = require( '@stdlib/math/base/special/max' ); @@ -37,10 +37,11 @@ bench( pkg, function benchmark( b ) { var z; var i; + x = discreteUniform( 100, -500, 500 ); + y = discreteUniform( 100, -500, 500 ); + b.tic(); for ( i = 0; i < b.iterations; i++ ) { - x = ( randu()*1000.0 ) - 500.0; - y = ( randu()*1000.0 ) - 500.0; z = minmax( x, y ); if ( z.length !== 2 ) { b.fail( 'should have expected length' ); @@ -63,10 +64,11 @@ bench( pkg+':assign', function benchmark( b ) { out = [ 0.0, 0.0 ]; + x = discreteUniform( 100, -500, 500 ); + y = discreteUniform( 100, -500, 500 ); + b.tic(); for ( i = 0; i < b.iterations; i++ ) { - x = ( randu()*1000.0 ) - 500.0; - y = ( randu()*1000.0 ) - 500.0; z = minmax.assign( x, y, out, 1, 0 ); if ( z.length !== 2 ) { b.fail( 'should have expected length' ); @@ -86,10 +88,11 @@ bench( pkg+'::min,max', function benchmark( b ) { var z; var i; + x = discreteUniform( 100, -500, 500 ); + y = discreteUniform( 100, -500, 500 ); + b.tic(); for ( i = 0; i < b.iterations; i++ ) { - x = ( randu()*1000.0 ) - 500.0; - y = ( randu()*1000.0 ) - 500.0; z = [ min( x, y ), max( x, y ) ]; if ( z.length !== 2 ) { b.fail( 'should have expected length' ); @@ -111,10 +114,11 @@ bench( pkg+'::min,max,memory_reuse', function benchmark( b ) { z = [ 0.0, 0.0 ]; + x = discreteUniform( 100, -500, 500 ); + y = discreteUniform( 100, -500, 500 ); + b.tic(); for ( i = 0; i < b.iterations; i++ ) { - x = ( randu()*1000.0 ) - 500.0; - y = ( randu()*1000.0 ) - 500.0; z[ 0 ] = min( x, y ); z[ 1 ] = max( x, y ); if ( z.length !== 2 ) { diff --git a/lib/node_modules/@stdlib/math/base/special/minmax/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/math/base/special/minmax/benchmark/benchmark.native.js new file mode 100644 index 000000000000..eee1d73a2a24 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/minmax/benchmark/benchmark.native.js @@ -0,0 +1,116 @@ +/** +* @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 discreteUniform = require( '@stdlib/random/array/discrete-uniform' ); +var isArray = require( '@stdlib/assert/is-array' ); +var min = require( '@stdlib/math/base/special/min' ); +var max = require( '@stdlib/math/base/special/max' ); +var tryRequire = require( '@stdlib/utils/try-require' ); +var pkg = require( './../package.json' ).name; + + +// VARIABLES // + +var minmax = tryRequire( resolve( __dirname, './../lib/native.js' ) ); +var opts = { + 'skip': ( minmax instanceof Error ) +}; + + +// MAIN // + +bench( pkg+'::native', opts, function benchmark( b ) { + var x; + var y; + var z; + var i; + + x = discreteUniform( 100, -500, 500 ); + y = discreteUniform( 100, -500, 500 ); + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + z = minmax( x, y ); + if ( z.length !== 2 ) { + b.fail( 'should have expected length' ); + } + } + b.toc(); + if ( !isArray( z ) ) { + b.fail( 'should return an array' ); + } + b.pass( 'benchmark finished' ); + b.end(); +}); + +bench( pkg+'::min,max', opts, function benchmark( b ) { + var x; + var y; + var z; + var i; + + x = discreteUniform( 100, -500, 500 ); + y = discreteUniform( 100, -500, 500 ); + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + z = [ min( x, y ), max( x, y ) ]; + if ( z.length !== 2 ) { + b.fail( 'should have expected length' ); + } + } + b.toc(); + if ( !isArray( z ) ) { + b.fail( 'should return an array' ); + } + b.pass( 'benchmark finished' ); + b.end(); +}); + +bench( pkg+'::min,max,memory_reuse', opts, function benchmark( b ) { + var x; + var y; + var z; + var i; + + z = [ 0.0, 0.0 ]; + + x = discreteUniform( 100, -500, 500 ); + y = discreteUniform( 100, -500, 500 ); + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + z[ 0 ] = min( x, y ); + z[ 1 ] = max( x, y ); + if ( z.length !== 2 ) { + b.fail( 'should have expected length' ); + } + } + b.toc(); + if ( !isArray( z ) ) { + b.fail( 'should return an array' ); + } + b.pass( 'benchmark finished' ); + b.end(); +}); diff --git a/lib/node_modules/@stdlib/math/base/special/minmax/benchmark/c/native/Makefile b/lib/node_modules/@stdlib/math/base/special/minmax/benchmark/c/native/Makefile new file mode 100644 index 000000000000..d564e8b2d6f9 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/minmax/benchmark/c/native/Makefile @@ -0,0 +1,127 @@ +#/ +# @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 C targets: +c_targets := benchmark.out + + +# RULES # + +#/ +# Compiles C source files. +# +# @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: $(c_targets) + +.PHONY: all + +#/ +# Compiles C source files. +# +# @private +# @param {string} CC - C compiler +# @param {string} CFLAGS - C compiler flags +# @param {(string|void)} fPIC - compiler flag indicating whether to generate position independent code +#/ +$(c_targets): %.out: %.c + $(QUIET) $(CC) $(CFLAGS) $(fPIC) -o $@ $< -lm + +#/ +# 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/minmax/benchmark/c/native/benchmark.c b/lib/node_modules/@stdlib/math/base/special/minmax/benchmark/c/native/benchmark.c new file mode 100644 index 000000000000..500c8512a97a --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/minmax/benchmark/c/native/benchmark.c @@ -0,0 +1,139 @@ +/** +* @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/minmax.h" +#include +#include +#include +#include +#include + +#define NAME "minmax" +#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 min; + double max; + double x[ 100 ]; + double y[ 100 ]; + double t; + int i; + + for( i = 0; i < 100; i++ ) { + x[ i ] = ( 1000.0*rand_double() ) - 500.0; + y[ i ] = ( 1000.0*rand_double() ) - 500.0; + } + + t = tic(); + for ( i = 0; i < ITERATIONS; i++ ) { + stdlib_base_minmax( x[ i%100 ], y[ i%100 ], &min, &max ); + if ( max != max || min != min ) { + printf( "should not return NaN\n" ); + break; + } + } + elapsed = tic() - t; + if ( max != max || min != min ) { + 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/lib/node_modules/@stdlib/math/base/special/minmax/binding.gyp b/lib/node_modules/@stdlib/math/base/special/minmax/binding.gyp new file mode 100644 index 000000000000..68a1ca11d160 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/minmax/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/minmax/examples/c/Makefile b/lib/node_modules/@stdlib/math/base/special/minmax/examples/c/Makefile new file mode 100644 index 000000000000..25ced822f96a --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/minmax/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/minmax/examples/c/example.c b/lib/node_modules/@stdlib/math/base/special/minmax/examples/c/example.c new file mode 100644 index 000000000000..2a6ca8bf8fd7 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/minmax/examples/c/example.c @@ -0,0 +1,34 @@ +/** +* @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/minmax.h" +#include + +int main( void ) { + const double x[] = { 1.0, 0.45, -0.89, 0.0 / 0.0, -0.78, -0.22, 0.66, 0.11, -0.55, 0.0 }; + const double y[] = { -0.22, 0.66, 0.0, -0.55, 0.33, 1.0, 0.0 / 0.0, 0.11, 0.45, -0.78 }; + + double min; + double max; + int i; + + for ( i = 0; i < 10; i++ ) { + stdlib_base_minmax( x[ i ], y[ i ], &min, &max ); + printf( "x: %lf => min: %lf, y: %lf, minmax(x, y): %lf\n", x[ i ], y[ i ], min, max ); + } +} diff --git a/lib/node_modules/@stdlib/math/base/special/minmax/include.gypi b/lib/node_modules/@stdlib/math/base/special/minmax/include.gypi new file mode 100644 index 000000000000..ecfaf82a3279 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/minmax/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': [ + '} minimum and maximum values +* +* @example +* var v = minmax( 3.14, 4.2 ); +* // returns [ 3.14, 4.2 ] +* +* @example +* var v = minmax( 3.14, NaN ); +* // returns [ NaN, NaN ] +* +* @example +* var v = minmax( +0.0, -0.0 ); +* // returns [ -0.0, 0.0 ] +*/ +function minmax( x, y ) { + var out = new Float64Array( 2 ); + addon( x, y, out ); + return [ out[ 0 ], out[ 1 ] ]; +} + + +// EXPORTS // + +module.exports = minmax; diff --git a/lib/node_modules/@stdlib/math/base/special/minmax/manifest.json b/lib/node_modules/@stdlib/math/base/special/minmax/manifest.json new file mode 100644 index 000000000000..739a71e92052 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/minmax/manifest.json @@ -0,0 +1,86 @@ +{ + "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/napi/argv", + "@stdlib/napi/argv-double", + "@stdlib/napi/argv-float64array", + "@stdlib/napi/export", + "@stdlib/math/base/assert/is-nan", + "@stdlib/math/base/assert/is-negative-zero" + ] + }, + { + "task": "benchmark", + "src": [ + "./src/main.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/napi/argv", + "@stdlib/napi/argv-double", + "@stdlib/napi/argv-float64array", + "@stdlib/napi/export", + "@stdlib/math/base/assert/is-nan", + "@stdlib/math/base/assert/is-negative-zero" + ] + }, + { + "task": "examples", + "src": [ + "./src/main.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/napi/argv", + "@stdlib/napi/argv-double", + "@stdlib/napi/argv-float64array", + "@stdlib/napi/export", + "@stdlib/math/base/assert/is-nan", + "@stdlib/math/base/assert/is-negative-zero" + ] + } + ] +} diff --git a/lib/node_modules/@stdlib/math/base/special/minmax/package.json b/lib/node_modules/@stdlib/math/base/special/minmax/package.json index 54aa4e4b91f6..1bdca45ea44a 100644 --- a/lib/node_modules/@stdlib/math/base/special/minmax/package.json +++ b/lib/node_modules/@stdlib/math/base/special/minmax/package.json @@ -14,11 +14,14 @@ } ], "main": "./lib", + "gypfile": true, "directories": { "benchmark": "./benchmark", "doc": "./docs", "example": "./examples", + "include": "./include", "lib": "./lib", + "src": "./src", "test": "./test" }, "types": "./docs/types", diff --git a/lib/node_modules/@stdlib/math/base/special/minmax/src/Makefile b/lib/node_modules/@stdlib/math/base/special/minmax/src/Makefile new file mode 100644 index 000000000000..7733b6180cb4 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/minmax/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/minmax/src/addon.c b/lib/node_modules/@stdlib/math/base/special/minmax/src/addon.c new file mode 100644 index 000000000000..c03f948f9e2c --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/minmax/src/addon.c @@ -0,0 +1,42 @@ +/** +* @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/minmax.h" +#include "stdlib/napi/export.h" +#include "stdlib/napi/argv.h" +#include "stdlib/napi/argv_double.h" +#include "stdlib/napi/argv_float64array.h" +#include + +/** +* Receives JavaScript callback invocation data. +* +* @param env environment under which the function is invoked +* @param info callback data +* @return Node-API value +*/ +static napi_value addon( napi_env env, napi_callback_info info ) { + STDLIB_NAPI_ARGV( env, info, argv, argc, 3 ); + STDLIB_NAPI_ARGV_DOUBLE( env, x, argv, 0 ); + STDLIB_NAPI_ARGV_DOUBLE( env, y, argv, 1 ); + STDLIB_NAPI_ARGV_FLOAT64ARRAY( env, out, outlen, argv, 2 ); + stdlib_base_minmax( x, y, &out[ 0 ], &out[ 1 ] ); + return NULL; +} + +STDLIB_NAPI_MODULE_EXPORT_FCN( addon ) diff --git a/lib/node_modules/@stdlib/math/base/special/minmax/src/main.c b/lib/node_modules/@stdlib/math/base/special/minmax/src/main.c new file mode 100644 index 000000000000..76b13f02029b --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/minmax/src/main.c @@ -0,0 +1,65 @@ +/** +* @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/minmax.h" +#include "stdlib/math/base/assert/is_nan.h" +#include "stdlib/math/base/assert/is_negative_zero.h" +#include + +/** +* Evaluates the min and max of two values. +* +* @param x First value +* @param y Second value +* @param min destination to store minimum value +* @param max destination to store maximum value +* +* @example +* #include +* +* double min; +* double max; +* stdlib_base_minmax( 3.14, NaN ); +* // returns [ NaN, NaN ] +*/ + +void stdlib_base_minmax( const double x, const double y, double* min, double* max ) { + if ( stdlib_base_is_nan( x ) || stdlib_base_is_nan( y ) ) { + *min = 0.0 / 0.0; // NaN + *max = 0.0 / 0.0; // NaN + return; + } + if ( x == y && x == 0 ) { + if ( stdlib_base_is_negative_zero( x ) ) { + *min = x; + *max = y; + return; + } + *min = y; + *max = x; + return; + } + if ( x < y ) { + *min = x; + *max = y; + return; + } + *min = y; + *max = x; + return; +} diff --git a/lib/node_modules/@stdlib/math/base/special/minmax/test/test.native.js b/lib/node_modules/@stdlib/math/base/special/minmax/test/test.native.js new file mode 100644 index 000000000000..6f5f4a2e3617 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/minmax/test/test.native.js @@ -0,0 +1,129 @@ +/** +* @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 isnan = require( '@stdlib/math/base/assert/is-nan' ); +var isNegativeZero = require( '@stdlib/math/base/assert/is-negative-zero' ); +var isPositiveZero = require( '@stdlib/math/base/assert/is-positive-zero' ); +var PINF = require( '@stdlib/constants/float64/pinf' ); +var NINF = require( '@stdlib/constants/float64/ninf' ); +var tryRequire = require( '@stdlib/utils/try-require' ); + + +// VARIABLES // + +var minmax = tryRequire( resolve( __dirname, './../lib/native.js' ) ); +var opts = { + 'skip': ( minmax instanceof Error ) +}; + + +// TESTS // + +tape( 'main export is a function', opts, function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof minmax, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'the function returns `NaN` for both the minimum and maximum value if provided a `NaN`', opts, function test( t ) { + var v; + + v = minmax( NaN, 3.14 ); + t.strictEqual( isnan( v[ 0 ] ), true, 'returns NaN' ); + t.strictEqual( isnan( v[ 1 ] ), true, 'returns NaN' ); + + v = minmax( 3.14, NaN ); + t.strictEqual( isnan( v[ 0 ] ), true, 'returns NaN' ); + t.strictEqual( isnan( v[ 1 ] ), true, 'returns NaN' ); + + v = minmax( NaN, NaN ); + t.strictEqual( isnan( v[ 0 ] ), true, 'returns NaN' ); + t.strictEqual( isnan( v[ 1 ] ), true, 'returns NaN' ); + + t.end(); +}); + +tape( 'the function returns `-Infinity` as the minimum value if provided `-Infinity`', opts, function test( t ) { + var v; + + v = minmax( NINF, 3.14 ); + t.strictEqual( v[ 0 ], NINF, 'returns -infinity' ); + t.strictEqual( v[ 1 ], 3.14, 'returns expected value' ); + + v = minmax( 3.14, NINF ); + t.strictEqual( v[ 0 ], NINF, 'returns -infinity' ); + t.strictEqual( v[ 1 ], 3.14, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function returns `+Infinity` as the maximum value if provided `+Infinity`', opts, function test( t ) { + var v; + + v = minmax( PINF, 3.14 ); + t.strictEqual( v[ 0 ], 3.14, 'returns expected value' ); + t.strictEqual( v[ 1 ], PINF, 'returns +infinity' ); + + v = minmax( 3.14, PINF ); + t.strictEqual( v[ 0 ], 3.14, 'returns expected value' ); + t.strictEqual( v[ 1 ], PINF, 'returns +infinity' ); + + t.end(); +}); + +tape( 'the function returns correctly signed zeros', opts, function test( t ) { + var v; + + v = minmax( +0.0, -0.0 ); + t.strictEqual( isNegativeZero( v[ 0 ] ), true, 'returns -0' ); + t.strictEqual( isPositiveZero( v[ 1 ] ), true, 'returns +0' ); + + v = minmax( -0.0, +0.0 ); + t.strictEqual( isNegativeZero( v[ 0 ] ), true, 'returns -0' ); + t.strictEqual( isPositiveZero( v[ 1 ] ), true, 'returns +0' ); + + v = minmax( -0.0, -0.0 ); + t.strictEqual( isNegativeZero( v[ 0 ] ), true, 'returns -0' ); + t.strictEqual( isNegativeZero( v[ 1 ] ), true, 'returns -0' ); + + v = minmax( +0.0, +0.0 ); + t.strictEqual( isPositiveZero( v[ 0 ] ), true, 'returns +0' ); + t.strictEqual( isPositiveZero( v[ 1 ] ), true, 'returns +0' ); + + t.end(); +}); + +tape( 'the function returns the minimum and maximum values', opts, function test( t ) { + var v; + + v = minmax( 4.2, 3.14 ); + t.strictEqual( v[ 0 ], 3.14, 'returns min value' ); + t.strictEqual( v[ 1 ], 4.2, 'returns max value' ); + + v = minmax( -4.2, 3.14 ); + t.strictEqual( v[ 0 ], -4.2, 'returns min value' ); + t.strictEqual( v[ 1 ], 3.14, 'returns max value' ); + + t.end(); +});