From cde99e526d532d622938ff701974b3c98b40cf46 Mon Sep 17 00:00:00 2001 From: stdlib-bot Date: Tue, 18 Jun 2024 13:44:48 +0000 Subject: [PATCH] Auto-generated commit --- .gitattributes | 29 ++- .github/workflows/publish.yml | 4 + CHANGELOG.md | 107 +++++++++- CONTRIBUTORS | 11 +- README.md | 88 +++++++++ benchmark/benchmark.native.js | 60 ++++++ benchmark/c/native/Makefile | 146 ++++++++++++++ benchmark/c/native/benchmark.c | 136 +++++++++++++ binding.gyp | 170 ++++++++++++++++ examples/c/Makefile | 146 ++++++++++++++ examples/c/example.c | 31 +++ include.gypi | 53 +++++ include/stdlib/math/base/special/vercos.h | 41 ++++ lib/native.js | 58 ++++++ manifest.json | 72 +++++++ package.json | 5 +- src/Makefile | 70 +++++++ src/addon.c | 22 +++ src/main.c | 34 ++++ test/test.native.js | 225 ++++++++++++++++++++++ 20 files changed, 1499 insertions(+), 9 deletions(-) create mode 100644 benchmark/benchmark.native.js create mode 100644 benchmark/c/native/Makefile create mode 100644 benchmark/c/native/benchmark.c create mode 100644 binding.gyp create mode 100644 examples/c/Makefile create mode 100644 examples/c/example.c create mode 100644 include.gypi create mode 100644 include/stdlib/math/base/special/vercos.h create mode 100644 lib/native.js create mode 100644 manifest.json create mode 100644 src/Makefile create mode 100644 src/addon.c create mode 100644 src/main.c create mode 100644 test/test.native.js diff --git a/.gitattributes b/.gitattributes index 10a16e6..1c88e69 100644 --- a/.gitattributes +++ b/.gitattributes @@ -40,10 +40,27 @@ *.mov binary # Override what is considered "vendored" by GitHub's linguist: -/deps/** linguist-vendored=false -/lib/node_modules/** linguist-vendored=false linguist-generated=false -test/fixtures/** linguist-vendored=false -tools/** linguist-vendored=false +/lib/node_modules/** -linguist-vendored -linguist-generated -# Override what is considered "documentation" by GitHub's linguist: -examples/** linguist-documentation=false +# Configure directories which should *not* be included in GitHub language statistics: +/deps/** linguist-vendored +/dist/** linguist-generated +/workshops/** linguist-vendored + +benchmark/** linguist-vendored +docs/* linguist-documentation +etc/** linguist-vendored +examples/** linguist-documentation +scripts/** linguist-vendored +test/** linguist-vendored +tools/** linguist-vendored + +# Configure files which should *not* be included in GitHub language statistics: +Makefile linguist-vendored +*.mk linguist-vendored +*.jl linguist-vendored +*.py linguist-vendored +*.R linguist-vendored + +# Configure files which should be included in GitHub language statistics: +docs/types/*.d.ts -linguist-documentation diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml index ad3a3e0..b1d4bb8 100644 --- a/.github/workflows/publish.yml +++ b/.github/workflows/publish.yml @@ -94,6 +94,10 @@ jobs: # Replace branch in README.md link definitions for badges with the new version: find . -type f -name '*.md' -print0 | xargs -0 sed -Ei "s/branch([=:])[^ ]+/branch\1v${NEW_VERSION}/g" + # Rewrite CHANGELOG.md to replace "Unreleased" with the new version: + sed -Ei "s/Unreleased/${NEW_VERSION}/g" CHANGELOG.md + sed -Ei "s/unreleased/v${NEW_VERSION}/g" CHANGELOG.md + # Create a new commit and tag: git add package.json README.md git commit -m "Release v${NEW_VERSION}" diff --git a/CHANGELOG.md b/CHANGELOG.md index 5af16c6..d4545cb 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -2,4 +2,109 @@ > Package changelog. -See [GitHub Releases](https://github.com/stdlib-js/math-base-special-vercos/releases) for the changelog. \ No newline at end of file +
+ +## Unreleased (2024-06-18) + +
+ +### Features + +- [`a4b2764`](https://github.com/stdlib-js/stdlib/commit/a4b276428bdc454a9412550375813f92bd242540) - add C implementation for `math/base/special/vercos` [(##2397)](#2397 ) + +
+ + + +
+ +### Commits + +
+ +- [`a4b2764`](https://github.com/stdlib-js/stdlib/commit/a4b276428bdc454a9412550375813f92bd242540) - **feat:** add C implementation for `math/base/special/vercos` [(##2397)](#2397 ) _(by Gunj Joshi)_ +- [`41d41e9`](https://github.com/stdlib-js/stdlib/commit/41d41e959b4eaad3c631e6898e3144a4015a5458) - **test:** include trailing newlines in Julia-generated JSON fixtures _(by Philipp Burckhardt)_ +- [`9ed7d0e`](https://github.com/stdlib-js/stdlib/commit/9ed7d0e7d57edb5ad0dfb65c944bed87d475cbf3) - **chore:** add missing trailing newlines _(by Philipp Burckhardt)_ + +
+ +
+ + + +
+ +### Contributors + +A total of 2 people contributed to this release. Thank you to the following contributors: + +- Gunj Joshi +- Philipp Burckhardt + +
+ + + +
+ + + +
+ +## 0.2.1 (2024-02-24) + +
+ +### Features + +- [`58832ee`](https://github.com/stdlib-js/stdlib/commit/58832eef6d93e6519622148242600eae93dca4d9) - update minimum TypeScript version + +
+ + + +
+ +### BREAKING CHANGES + +- [`58832ee`](https://github.com/stdlib-js/stdlib/commit/58832eef6d93e6519622148242600eae93dca4d9): update minimum TypeScript version +- [`58832ee`](https://github.com/stdlib-js/stdlib/commit/58832eef6d93e6519622148242600eae93dca4d9): update minimum TypeScript version to 4.1 + + - To migrate, users should upgrade their TypeScript version to at least version 4.1. + +
+ + + +
+ +### Commits + +
+ +- [`58832ee`](https://github.com/stdlib-js/stdlib/commit/58832eef6d93e6519622148242600eae93dca4d9) - **feat:** update minimum TypeScript version _(by Philipp Burckhardt)_ +- [`ce7e336`](https://github.com/stdlib-js/stdlib/commit/ce7e3367c0f9477773fe76dd0eca64dc6ad33c02) - **docs:** update equations _(by Philipp Burckhardt)_ +- [`c5da1f9`](https://github.com/stdlib-js/stdlib/commit/c5da1f9a22b1033d40115798acf13a09acf9410d) - **docs:** render equations via math code blocks _(by Philipp Burckhardt)_ + +
+ +
+ + + +
+ +### Contributors + +A total of 1 person contributed to this release. Thank you to this contributor: + +- Philipp Burckhardt + +
+ + + +
+ + + diff --git a/CONTRIBUTORS b/CONTRIBUTORS index 4500383..7ec15a7 100644 --- a/CONTRIBUTORS +++ b/CONTRIBUTORS @@ -5,6 +5,7 @@ Adarsh Palaskar Aditya Sapra AgPriyanshu18 <113460573+AgPriyanshu18@users.noreply.github.com> +Aleksandr <112382387+alextes90@users.noreply.github.com> Ali Salesi Aman Bhansali Amit Jimiwal @@ -18,6 +19,7 @@ Chinmay Joshi <86140365+JawHawk@users.noreply.github.com> Christopher Dambamuromo Dan Rose Daniel Killenberger +Daniel Yu <40680511+Daniel777y@users.noreply.github.com> Dominik Moritz Dorrin Sotoudeh EuniceSim142 <77243938+EuniceSim142@users.noreply.github.com> @@ -25,6 +27,7 @@ Frank Kovacs Golden Kumar <103646877+AuenKr@users.noreply.github.com> Gunj Joshi Harshita Kalani +Hridyanshu <124202756+HRIDYANSHU054@users.noreply.github.com> Jaimin Godhani <112328542+Jai0401@users.noreply.github.com> James Gelok Jaysukh Makvana @@ -60,6 +63,7 @@ Pushpendra Chandravanshi Raunak Kumar Gupta Rejoan Sardar <119718513+Rejoan-Sardar@users.noreply.github.com> Ricky Reusser +Ridam Garg <67867319+RidamGarg@users.noreply.github.com> Robert Gislason Roman Stetsyk <25715951+romanstetsyk@users.noreply.github.com> Rutam <138517416+performant23@users.noreply.github.com> @@ -69,8 +73,11 @@ Seyyed Parsa Neshaei Shashank Shekhar Singh Shivam <11shivam00@gmail.com> Shraddheya Shendre +Shubh Mehta <93862397+Shubh942@users.noreply.github.com> Shubham Mishra -Snehil Shah <130062020+Snehil-Shah@users.noreply.github.com> +Sivam Das <100067002+Sivam2313@users.noreply.github.com> +Snehil Shah +Soumajit Chatterjee <121816890+soumajit23@users.noreply.github.com> Spandan Barve Stephannie Jiménez Gacha Suraj kumar <125961509+kumarsuraj212003@users.noreply.github.com> @@ -79,8 +86,10 @@ Tudor Pagu <104032457+tudor-pagu@users.noreply.github.com> Utkarsh Utkarsh Raj Varad Gupta +Xiaochuan Ye Yernar Yergaziyev naveen nishant-s7 <97207366+nishant-s7@users.noreply.github.com> orimiles5 <97595296+orimiles5@users.noreply.github.com> +rainn <88160429+AmCodesLame@users.noreply.github.com> rei2hu diff --git a/README.md b/README.md index a8f5ec2..530b47d 100644 --- a/README.md +++ b/README.md @@ -126,6 +126,94 @@ for ( i = 0; i < x.length; i++ ) { + + +* * * + +
+ +## C APIs + + + +
+ +
+ + + + + +
+ +### Usage + +```c +#include "stdlib/math/base/special/vercos.h" +``` + +#### stdlib_base_vercos( x ) + +Computes the [versed cosine][versed-cosine] of a `number` (in radians). + +```c +double out = stdlib_base_vercos( 0.0 ); +// returns 2.0 + +out = stdlib_base_vercos( 3.141592653589793 / 2.0 ); +// returns 1.0 +``` + +The function accepts the following arguments: + +- **x**: `[in] double` input value. + +```c +double stdlib_base_vercos( const double x ); +``` + +
+ + + + + +
+ +
+ + + + + +
+ +### Examples + +```c +#include "stdlib/math/base/special/vercos.h" +#include + +int main( void ) { + const double x[] = { 0.0, 0.523, 0.785, 1.047, 3.14 }; + + double y; + int i; + for ( i = 0; i < 5; i++ ) { + y = stdlib_base_vercos( x[ i ] ); + printf( "vercos(%lf) = %lf\n", x[ i ], y ); + } +} +``` + +
+ + + +
+ + +
diff --git a/benchmark/benchmark.native.js b/benchmark/benchmark.native.js new file mode 100644 index 0000000..f8a260f --- /dev/null +++ b/benchmark/benchmark.native.js @@ -0,0 +1,60 @@ +/** +* @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-harness' ); +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 vercos = tryRequire( resolve( __dirname, './../lib/native.js' ) ); +var opts = { + 'skip': ( vercos instanceof Error ) +}; + + +// MAIN // + +bench( pkg+'::native', opts, function benchmark( b ) { + var x; + var y; + var i; + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + x = ( randu() * 20.0 ) - 10.0; + y = vercos( x ); + if ( isnan( y ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + if ( isnan( y ) ) { + b.fail( 'should not return NaN' ); + } + b.pass( 'benchmark finished' ); + b.end(); +}); diff --git a/benchmark/c/native/Makefile b/benchmark/c/native/Makefile new file mode 100644 index 0000000..f69e9da --- /dev/null +++ b/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/benchmark/c/native/benchmark.c b/benchmark/c/native/benchmark.c new file mode 100644 index 0000000..544ede8 --- /dev/null +++ b/benchmark/c/native/benchmark.c @@ -0,0 +1,136 @@ +/** +* @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 `vercos`. +*/ +#include "stdlib/math/base/special/vercos.h" +#include +#include +#include +#include +#include + +#define NAME "vercos" +#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 x; + double y; + double t; + int i; + + t = tic(); + for ( i = 0; i < ITERATIONS; i++ ) { + x = ( 20.0 * rand_double() ) - 10.0; + y = stdlib_base_vercos( x ); + if ( y != y ) { + printf( "should not return NaN\n" ); + break; + } + } + elapsed = tic() - t; + if ( y != y ) { + 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/binding.gyp b/binding.gyp new file mode 100644 index 0000000..ec39922 --- /dev/null +++ b/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/examples/c/Makefile b/examples/c/Makefile new file mode 100644 index 0000000..6aed70d --- /dev/null +++ b/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/examples/c/example.c b/examples/c/example.c new file mode 100644 index 0000000..9a72a3b --- /dev/null +++ b/examples/c/example.c @@ -0,0 +1,31 @@ +/** +* @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/vercos.h" +#include + +int main( void ) { + const double x[] = { 0.0, 0.523, 0.785, 1.047, 3.14 }; + + double y; + int i; + for ( i = 0; i < 5; i++ ) { + y = stdlib_base_vercos( x[ i ] ); + printf( "vercos(%lf) = %lf\n", x[ i ], y ); + } +} diff --git a/include.gypi b/include.gypi new file mode 100644 index 0000000..69dfb43 --- /dev/null +++ b/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': [ + '= 2**60 (PI/2) )', opts, function test( t ) { + var expected; + var delta; + var tol; + var x; + var y; + var i; + + x = hugePositive.x; + expected = hugePositive.expected; + + for ( i = 0; i < x.length; i++ ) { + y = vercos( x[i] ); + if ( y === expected[ i ] ) { + t.strictEqual( y, expected[ i ], 'x: '+x[i]+'. Expected: '+expected[i] ); + } else { + delta = abs( y - expected[i] ); + tol = 1.6 * EPS * abs( expected[i] ); + t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. Expected: '+expected[i]+'. tol: '+tol+'. delta: '+delta+'.' ); + } + } + + t.end(); +}); + +tape( 'the function returns `NaN` if provided a `NaN`', opts, function test( t ) { + var v = vercos( NaN ); + t.strictEqual( isnan( v ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function returns `NaN` if provided `+infinity`', opts, function test( t ) { + var v = vercos( PINF ); + t.strictEqual( isnan( v ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function returns `NaN` if provided `-infinity`', opts, function test( t ) { + var v = vercos( NINF ); + t.strictEqual( isnan( v ), true, 'returns expected value' ); + t.end(); +});