From 790867833f7e0cea276a10a1a5c47de85560c457 Mon Sep 17 00:00:00 2001 From: Rejoan Sardar Date: Sat, 16 Mar 2024 11:37:46 +0530 Subject: [PATCH 1/3] feat: @stdlib/math/base/special/fast/max --- .../math/base/special/fast/max/README.md | 93 ++++++++++ .../fast/max/benchmark/benchmark.native.js | 62 +++++++ .../fast/max/benchmark/c/native/Makefile | 146 +++++++++++++++ .../fast/max/benchmark/c/native/benchmark.c | 138 ++++++++++++++ .../math/base/special/fast/max/binding.gyp | 170 ++++++++++++++++++ .../base/special/fast/max/examples/c/Makefile | 146 +++++++++++++++ .../special/fast/max/examples/c/example.c | 35 ++++ .../math/base/special/fast/max/include.gypi | 53 ++++++ .../stdlib/math/base/special/fast/max.h | 38 ++++ .../math/base/special/fast/max/lib/native.js | 59 ++++++ .../math/base/special/fast/max/manifest.json | 67 +++++++ .../math/base/special/fast/max/src/Makefile | 70 ++++++++ .../math/base/special/fast/max/src/addon.c | 22 +++ .../math/base/special/fast/max/src/main.c | 53 ++++++ .../base/special/fast/max/test/test.native.js | 105 +++++++++++ 15 files changed, 1257 insertions(+) create mode 100644 lib/node_modules/@stdlib/math/base/special/fast/max/benchmark/benchmark.native.js create mode 100644 lib/node_modules/@stdlib/math/base/special/fast/max/benchmark/c/native/Makefile create mode 100644 lib/node_modules/@stdlib/math/base/special/fast/max/benchmark/c/native/benchmark.c create mode 100644 lib/node_modules/@stdlib/math/base/special/fast/max/binding.gyp create mode 100644 lib/node_modules/@stdlib/math/base/special/fast/max/examples/c/Makefile create mode 100644 lib/node_modules/@stdlib/math/base/special/fast/max/examples/c/example.c create mode 100644 lib/node_modules/@stdlib/math/base/special/fast/max/include.gypi create mode 100644 lib/node_modules/@stdlib/math/base/special/fast/max/include/stdlib/math/base/special/fast/max.h create mode 100644 lib/node_modules/@stdlib/math/base/special/fast/max/lib/native.js create mode 100644 lib/node_modules/@stdlib/math/base/special/fast/max/manifest.json create mode 100644 lib/node_modules/@stdlib/math/base/special/fast/max/src/Makefile create mode 100644 lib/node_modules/@stdlib/math/base/special/fast/max/src/addon.c create mode 100644 lib/node_modules/@stdlib/math/base/special/fast/max/src/main.c create mode 100644 lib/node_modules/@stdlib/math/base/special/fast/max/test/test.native.js diff --git a/lib/node_modules/@stdlib/math/base/special/fast/max/README.md b/lib/node_modules/@stdlib/math/base/special/fast/max/README.md index 84ee5b2c055a..a5cc33cc2a67 100644 --- a/lib/node_modules/@stdlib/math/base/special/fast/max/README.md +++ b/lib/node_modules/@stdlib/math/base/special/fast/max/README.md @@ -112,6 +112,99 @@ for ( i = 0; i < 100; i++ ) { + + +* * * + +
+ +## C APIs + + + +
+ +
+ + + + + +
+ +### Usage + +```c +#include "stdlib/math/base/special/fast/max.h" +``` + +#### stdlib_base_fast_max( x, y ) + +Returns the maximum value. + +```c +double out = stdlib_base_fast_max( 4.2, 3.14 ); +// returns 4.2 + +out = stdlib_base_max_fast( 0.0, -0.0 ); +// returns 0.0 +``` + +The function accepts the following arguments: + +- **x**: `[in] double` input value. +- **y**: `[in] double` input value. + +```c +double stdlib_base_fast_max( const double x, const double y ); +``` + +
+ + + + + +
+ +
+ + + + + +
+ +### Examples + +```c +#include "stdlib/math/base/special/fast/max.h" +#include +#include + +int main( void ) { + double x; + double y; + double v; + int i; + + for ( i = 0; i < 100; i++ ) { + x = ( ( (double)rand() / (double)RAND_MAX ) * 2000.0 ) - 1000.0; + y = ( ( (double)rand() / (double)RAND_MAX ) * 2000.0 ) - 1000.0; + v = stdlib_base_fast_max( x, y ); + printf( "x: %lf, y: %lf, max(x, y): %lf\n", x, y, v ); + } +} +``` + +
+ + + +
+ + +
diff --git a/lib/node_modules/@stdlib/math/base/special/fast/max/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/math/base/special/fast/max/benchmark/benchmark.native.js new file mode 100644 index 000000000000..55db3f0af263 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/fast/max/benchmark/benchmark.native.js @@ -0,0 +1,62 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2024 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var bench = require( '@stdlib/bench' ); +var randu = require( '@stdlib/random/base/randu' ); +var isnan = require( '@stdlib/math/base/assert/is-nan' ); +var tryRequire = require( '@stdlib/utils/try-require' ); +var pkg = require( './../package.json' ).name; + + +// VARIABLES // + +var max = tryRequire( resolve( __dirname, './../lib/native.js' ) ); +var opts = { + 'skip': ( max instanceof Error ) +}; + + +// MAIN // + +bench( pkg+'::native', opts, function benchmark( b ) { + var x; + var y; + var z; + var i; + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + x = ( randu()*2000.0 ) - 1000.0; + y = ( randu()*2000.0 ) - 1000.0; + z = max( x, y ); + if ( isnan( z ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + if ( isnan( z ) ) { + b.fail( 'should not return NaN' ); + } + b.pass( 'benchmark finished' ); + b.end(); +}); diff --git a/lib/node_modules/@stdlib/math/base/special/fast/max/benchmark/c/native/Makefile b/lib/node_modules/@stdlib/math/base/special/fast/max/benchmark/c/native/Makefile new file mode 100644 index 000000000000..f69e9da2b4d3 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/fast/max/benchmark/c/native/Makefile @@ -0,0 +1,146 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2024 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + +# Define the program used for compiling C source files: +ifdef C_COMPILER + CC := $(C_COMPILER) +else + CC := gcc +endif + +# Define the command-line options when compiling C files: +CFLAGS ?= \ + -std=c99 \ + -O3 \ + -Wall \ + -pedantic + +# Determine whether to generate position independent code ([1][1], [2][2]). +# +# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options +# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option +ifeq ($(OS), WINNT) + fPIC ?= +else + fPIC ?= -fPIC +endif + +# List of includes (e.g., `-I /foo/bar -I /beep/boop/include`): +INCLUDE ?= + +# List of source files: +SOURCE_FILES ?= + +# List of libraries (e.g., `-lopenblas -lpthread`): +LIBRARIES ?= + +# List of library paths (e.g., `-L /foo/bar -L /beep/boop`): +LIBPATH ?= + +# List of C targets: +c_targets := benchmark.out + + +# RULES # + +#/ +# Compiles source files. +# +# @param {string} [C_COMPILER] - C compiler (e.g., `gcc`) +# @param {string} [CFLAGS] - C compiler options +# @param {(string|void)} [fPIC] - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop/include`) +# @param {string} [SOURCE_FILES] - list of source files +# @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`) +# @param {string} [LIBRARIES] - list of libraries (e.g., `-lopenblas -lpthread`) +# +# @example +# make +# +# @example +# make all +#/ +all: $(c_targets) + +.PHONY: all + +#/ +# Compiles C source files. +# +# @private +# @param {string} CC - C compiler (e.g., `gcc`) +# @param {string} CFLAGS - C compiler options +# @param {(string|void)} fPIC - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} INCLUDE - list of includes (e.g., `-I /foo/bar`) +# @param {string} SOURCE_FILES - list of source files +# @param {string} LIBPATH - list of library paths (e.g., `-L /foo/bar`) +# @param {string} LIBRARIES - list of libraries (e.g., `-lopenblas`) +#/ +$(c_targets): %.out: %.c + $(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES) + +#/ +# Runs compiled benchmarks. +# +# @example +# make run +#/ +run: $(c_targets) + $(QUIET) ./$< + +.PHONY: run + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: + $(QUIET) -rm -f *.o *.out + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/math/base/special/fast/max/benchmark/c/native/benchmark.c b/lib/node_modules/@stdlib/math/base/special/fast/max/benchmark/c/native/benchmark.c new file mode 100644 index 000000000000..898777da00c5 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/fast/max/benchmark/c/native/benchmark.c @@ -0,0 +1,138 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2024 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +/** +* Benchmark `max`. +*/ +#include "stdlib/math/base/special/fast/max.h" +#include +#include +#include +#include +#include + +#define NAME "max" +#define ITERATIONS 1000000 +#define REPEATS 3 + +/** +* Prints the TAP version. +*/ +void print_version() { + printf( "TAP version 13\n" ); +} + +/** +* Prints the TAP summary. +* +* @param total total number of tests +* @param passing total number of passing tests +*/ +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 +*/ +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 +*/ +double tic() { + 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 +*/ +double rand_double() { + int r = rand(); + return (double)r / ( (double)RAND_MAX + 1.0 ); +} + +/** +* Runs a benchmark. +* +* @return elapsed time in seconds +*/ +double benchmark() { + double elapsed; + double t; + double x; + double y; + double z; + int i; + + t = tic(); + for ( i = 0; i < ITERATIONS; i++ ) { + x = ( 2000.0*rand_double() ) - 1000.0; + y = ( 2000.0*rand_double() ) - 1000.0; + z = stdlib_base_fast_max( x, y ); + 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::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/fast/max/binding.gyp b/lib/node_modules/@stdlib/math/base/special/fast/max/binding.gyp new file mode 100644 index 000000000000..ec3992233442 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/fast/max/binding.gyp @@ -0,0 +1,170 @@ +# @license Apache-2.0 +# +# Copyright (c) 2024 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# A `.gyp` file for building a Node.js native add-on. +# +# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md +# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md +{ + # List of files to include in this file: + 'includes': [ + './include.gypi', + ], + + # Define variables to be used throughout the configuration for all targets: + 'variables': { + # Target name should match the add-on export name: + 'addon_target_name%': 'addon', + + # Set variables based on the host OS: + 'conditions': [ + [ + 'OS=="win"', + { + # Define the object file suffix: + 'obj': 'obj', + }, + { + # Define the object file suffix: + 'obj': 'o', + } + ], # end condition (OS=="win") + ], # end conditions + }, # end variables + + # Define compile targets: + 'targets': [ + + # Target to generate an add-on: + { + # The target name should match the add-on export name: + 'target_name': '<(addon_target_name)', + + # Define dependencies: + 'dependencies': [], + + # Define directories which contain relevant include headers: + 'include_dirs': [ + # Local include directory: + '<@(include_dirs)', + ], + + # List of source files: + 'sources': [ + '<@(src_files)', + ], + + # Settings which should be applied when a target's object files are used as linker input: + 'link_settings': { + # Define libraries: + 'libraries': [ + '<@(libraries)', + ], + + # Define library directories: + 'library_dirs': [ + '<@(library_dirs)', + ], + }, + + # C/C++ compiler flags: + 'cflags': [ + # Enable commonly used warning options: + '-Wall', + + # Aggressive optimization: + '-O3', + ], + + # C specific compiler flags: + 'cflags_c': [ + # Specify the C standard to which a program is expected to conform: + '-std=c99', + ], + + # C++ specific compiler flags: + 'cflags_cpp': [ + # Specify the C++ standard to which a program is expected to conform: + '-std=c++11', + ], + + # Linker flags: + 'ldflags': [], + + # Apply conditions based on the host OS: + 'conditions': [ + [ + 'OS=="mac"', + { + # Linker flags: + 'ldflags': [ + '-undefined dynamic_lookup', + '-Wl,-no-pie', + '-Wl,-search_paths_first', + ], + }, + ], # end condition (OS=="mac") + [ + 'OS!="win"', + { + # C/C++ flags: + 'cflags': [ + # Generate platform-independent code: + '-fPIC', + ], + }, + ], # end condition (OS!="win") + ], # end conditions + }, # end target <(addon_target_name) + + # Target to copy a generated add-on to a standard location: + { + 'target_name': 'copy_addon', + + # Declare that the output of this target is not linked: + 'type': 'none', + + # Define dependencies: + 'dependencies': [ + # Require that the add-on be generated before building this target: + '<(addon_target_name)', + ], + + # Define a list of actions: + 'actions': [ + { + 'action_name': 'copy_addon', + 'message': 'Copying addon...', + + # Explicitly list the inputs in the command-line invocation below: + 'inputs': [], + + # Declare the expected outputs: + 'outputs': [ + '<(addon_output_dir)/<(addon_target_name).node', + ], + + # Define the command-line invocation: + 'action': [ + 'cp', + '<(PRODUCT_DIR)/<(addon_target_name).node', + '<(addon_output_dir)/<(addon_target_name).node', + ], + }, + ], # end actions + }, # end target copy_addon + ], # end targets +} diff --git a/lib/node_modules/@stdlib/math/base/special/fast/max/examples/c/Makefile b/lib/node_modules/@stdlib/math/base/special/fast/max/examples/c/Makefile new file mode 100644 index 000000000000..6aed70daf167 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/fast/max/examples/c/Makefile @@ -0,0 +1,146 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2024 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + +# Define the program used for compiling C source files: +ifdef C_COMPILER + CC := $(C_COMPILER) +else + CC := gcc +endif + +# Define the command-line options when compiling C files: +CFLAGS ?= \ + -std=c99 \ + -O3 \ + -Wall \ + -pedantic + +# Determine whether to generate position independent code ([1][1], [2][2]). +# +# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options +# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option +ifeq ($(OS), WINNT) + fPIC ?= +else + fPIC ?= -fPIC +endif + +# List of includes (e.g., `-I /foo/bar -I /beep/boop/include`): +INCLUDE ?= + +# List of source files: +SOURCE_FILES ?= + +# List of libraries (e.g., `-lopenblas -lpthread`): +LIBRARIES ?= + +# List of library paths (e.g., `-L /foo/bar -L /beep/boop`): +LIBPATH ?= + +# List of C targets: +c_targets := example.out + + +# RULES # + +#/ +# Compiles source files. +# +# @param {string} [C_COMPILER] - C compiler (e.g., `gcc`) +# @param {string} [CFLAGS] - C compiler options +# @param {(string|void)} [fPIC] - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop/include`) +# @param {string} [SOURCE_FILES] - list of source files +# @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`) +# @param {string} [LIBRARIES] - list of libraries (e.g., `-lopenblas -lpthread`) +# +# @example +# make +# +# @example +# make all +#/ +all: $(c_targets) + +.PHONY: all + +#/ +# Compiles C source files. +# +# @private +# @param {string} CC - C compiler (e.g., `gcc`) +# @param {string} CFLAGS - C compiler options +# @param {(string|void)} fPIC - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} INCLUDE - list of includes (e.g., `-I /foo/bar`) +# @param {string} SOURCE_FILES - list of source files +# @param {string} LIBPATH - list of library paths (e.g., `-L /foo/bar`) +# @param {string} LIBRARIES - list of libraries (e.g., `-lopenblas`) +#/ +$(c_targets): %.out: %.c + $(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES) + +#/ +# Runs compiled examples. +# +# @example +# make run +#/ +run: $(c_targets) + $(QUIET) ./$< + +.PHONY: run + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: + $(QUIET) -rm -f *.o *.out + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/math/base/special/fast/max/examples/c/example.c b/lib/node_modules/@stdlib/math/base/special/fast/max/examples/c/example.c new file mode 100644 index 000000000000..92ce426a11e7 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/fast/max/examples/c/example.c @@ -0,0 +1,35 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2024 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/math/base/special/fast/max.h" +#include +#include + +int main( void ) { + double x; + double y; + double v; + int i; + + for ( i = 0; i < 100; i++ ) { + x = ( ( (double)rand() / (double)RAND_MAX ) * 2000.0 ) - 1000.0; + y = ( ( (double)rand() / (double)RAND_MAX ) * 2000.0 ) - 1000.0; + v = stdlib_base_fast_max( x, y ); + printf( "x: %lf, y: %lf, max(x, y): %lf\n", x, y, v ); + } +} diff --git a/lib/node_modules/@stdlib/math/base/special/fast/max/include.gypi b/lib/node_modules/@stdlib/math/base/special/fast/max/include.gypi new file mode 100644 index 000000000000..575cb043c0bf --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/fast/max/include.gypi @@ -0,0 +1,53 @@ +# @license Apache-2.0 +# +# Copyright (c) 2024 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# A GYP include file for building a Node.js native add-on. +# +# Main documentation: +# +# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md +# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md +{ + # Define variables to be used throughout the configuration for all targets: + 'variables': { + # Source directory: + 'src_dir': './src', + + # Include directories: + 'include_dirs': [ + ' y ) { + return x; + } + return y; +} diff --git a/lib/node_modules/@stdlib/math/base/special/fast/max/test/test.native.js b/lib/node_modules/@stdlib/math/base/special/fast/max/test/test.native.js new file mode 100644 index 000000000000..0cbcaa261181 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/fast/max/test/test.native.js @@ -0,0 +1,105 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2024 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var tape = require( 'tape' ); +var 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 tryRequire = require( '@stdlib/utils/try-require' ); + + +// VARIABLES // + +var max = tryRequire( resolve( __dirname, './../lib/native.js' ) ); +var opts = { + 'skip': ( max instanceof Error ) +}; + + +// TESTS // + +tape( 'main export is a function', opts, function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof max, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'the function has an arity of 2', opts, function test( t ) { + t.strictEqual( max.length, 2, 'accepts two arguments' ); + t.end(); +}); + +tape( 'the function may not return `NaN` if provided a `NaN`', opts, function test( t ) { + var v; + + v = max( NaN, 3.14 ); + t.strictEqual( v, 3.14, 'returns 3.14' ); + + v = max( 3.14, NaN ); + t.strictEqual( isnan( v ), true, 'returns NaN' ); + + t.end(); +}); + +tape( 'the function returns `+infinity` if provided `+infinity`', opts, function test( t ) { + var v; + + v = max( PINF, 3.14 ); + t.strictEqual( v, PINF, 'returns +infinity' ); + + v = max( 3.14, PINF ); + t.strictEqual( v, PINF, 'returns +infinity' ); + + t.end(); +}); + +tape( 'the function may not return a correctly signed zero', opts, function test( t ) { + var v; + + v = max( +0.0, -0.0 ); + t.strictEqual( isNegativeZero( v ), true, 'returns -0' ); + + v = max( -0.0, +0.0 ); + t.strictEqual( isNegativeZero( v ), false, 'does not return -0' ); + + v = max( -0.0, -0.0 ); + t.strictEqual( isNegativeZero( v ), true, 'returns -0' ); + + v = max( +0.0, +0.0 ); + t.strictEqual( isPositiveZero( v ), true, 'returns +0' ); + + t.end(); +}); + +tape( 'the function returns the maximum value', opts, function test( t ) { + var v; + + v = max( 4.2, 3.14 ); + t.strictEqual( v, 4.2, 'returns max value' ); + + v = max( -4.2, 3.14 ); + t.strictEqual( v, 3.14, 'returns max value' ); + + t.end(); +}); From 7f96ce126791a4c5368d253c8209e1d58d20eb2a Mon Sep 17 00:00:00 2001 From: Pranav <85227306+Pranavchiku@users.noreply.github.com> Date: Sat, 16 Mar 2024 18:19:59 +0530 Subject: [PATCH 2/3] chore: apply suggestions from code review Signed-off-by: Pranav <85227306+Pranavchiku@users.noreply.github.com> --- .../special/fast/max/examples/c/example.c | 20 +++++++++---------- .../math/base/special/fast/max/lib/native.js | 2 +- .../math/base/special/fast/max/src/main.c | 8 ++++---- 3 files changed, 15 insertions(+), 15 deletions(-) diff --git a/lib/node_modules/@stdlib/math/base/special/fast/max/examples/c/example.c b/lib/node_modules/@stdlib/math/base/special/fast/max/examples/c/example.c index 92ce426a11e7..82e48cfb4d6a 100644 --- a/lib/node_modules/@stdlib/math/base/special/fast/max/examples/c/example.c +++ b/lib/node_modules/@stdlib/math/base/special/fast/max/examples/c/example.c @@ -21,15 +21,15 @@ #include int main( void ) { - double x; - double y; - double v; - int i; + double x; + double y; + double v; + int i; - for ( i = 0; i < 100; i++ ) { - x = ( ( (double)rand() / (double)RAND_MAX ) * 2000.0 ) - 1000.0; - y = ( ( (double)rand() / (double)RAND_MAX ) * 2000.0 ) - 1000.0; - v = stdlib_base_fast_max( x, y ); - printf( "x: %lf, y: %lf, max(x, y): %lf\n", x, y, v ); - } + for ( i = 0; i < 100; i++ ) { + x = ( ( (double)rand() / (double)RAND_MAX ) * 2000.0 ) - 1000.0; + y = ( ( (double)rand() / (double)RAND_MAX ) * 2000.0 ) - 1000.0; + v = stdlib_base_fast_max( x, y ); + printf( "x: %lf, y: %lf, max(x, y): %lf\n", x, y, v ); + } } diff --git a/lib/node_modules/@stdlib/math/base/special/fast/max/lib/native.js b/lib/node_modules/@stdlib/math/base/special/fast/max/lib/native.js index 6b07a8efed10..38f3282aafdc 100644 --- a/lib/node_modules/@stdlib/math/base/special/fast/max/lib/native.js +++ b/lib/node_modules/@stdlib/math/base/special/fast/max/lib/native.js @@ -26,7 +26,7 @@ var addon = require( './../src/addon.node' ); // MAIN // /** -* Return the maximum value. +* Returns the maximum value. * * @private * @param {number} x - first number diff --git a/lib/node_modules/@stdlib/math/base/special/fast/max/src/main.c b/lib/node_modules/@stdlib/math/base/special/fast/max/src/main.c index 2ed82ee49d57..576f78d79c18 100644 --- a/lib/node_modules/@stdlib/math/base/special/fast/max/src/main.c +++ b/lib/node_modules/@stdlib/math/base/special/fast/max/src/main.c @@ -46,8 +46,8 @@ * // returns -0.0 */ double stdlib_base_fast_max( const double x, const double y ) { - if ( x > y ) { - return x; - } - return y; + if ( x > y ) { + return x; + } + return y; } From 07f4a761df10467b0ffe4d54374bf39036967ee4 Mon Sep 17 00:00:00 2001 From: Philipp Burckhardt Date: Sat, 16 Mar 2024 21:40:08 -0400 Subject: [PATCH 3/3] Apply suggestions from code review Signed-off-by: Philipp Burckhardt --- .../@stdlib/math/base/special/fast/max/lib/native.js | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/lib/node_modules/@stdlib/math/base/special/fast/max/lib/native.js b/lib/node_modules/@stdlib/math/base/special/fast/max/lib/native.js index 38f3282aafdc..36d2752ab234 100644 --- a/lib/node_modules/@stdlib/math/base/special/fast/max/lib/native.js +++ b/lib/node_modules/@stdlib/math/base/special/fast/max/lib/native.js @@ -39,7 +39,7 @@ var addon = require( './../src/addon.node' ); * * @example * var v = max( 0.0, -0.0 ); -* // returns 0.0 +* // returns -0.0 * * @example * var v = max( 3.14, NaN ); @@ -47,7 +47,7 @@ var addon = require( './../src/addon.node' ); * * @example * var v = max( NaN, 5.0 ); -* // returns NaN +* // returns 5.0 */ function max( x, y ) { return addon( x, y );