From cd3b9cee5a0a3536452342e33119b12e2dafd36a Mon Sep 17 00:00:00 2001 From: stdlib-bot Date: Wed, 8 Jan 2025 13:05:57 +0000 Subject: [PATCH] Auto-generated commit --- .editorconfig | 2 +- .github/.keepalive | 1 - .github/workflows/test_install.yml | 4 +- .github/workflows/test_published_package.yml | 4 +- CHANGELOG.md | 57 ++++++ CONTRIBUTORS | 40 +++-- NOTICE | 2 +- README.md | 97 +++++++++- benchmark/benchmark.native.js | 70 ++++++++ benchmark/c/Makefile | 146 +++++++++++++++ benchmark/c/benchmark.c | 107 +++++++++++ binding.gyp | 170 ++++++++++++++++++ examples/c/Makefile | 146 +++++++++++++++ examples/c/example.c | 40 +++++ include.gypi | 53 ++++++ .../stdlib/stats/base/dists/chisquare/mgf.h | 43 +++++ lib/native.js | 59 ++++++ manifest.json | 79 ++++++++ package.json | 9 +- src/Makefile | 70 ++++++++ src/addon.c | 23 +++ src/main.c | 38 ++++ test/test.native.js | 114 ++++++++++++ 23 files changed, 1349 insertions(+), 25 deletions(-) delete mode 100644 .github/.keepalive create mode 100644 benchmark/benchmark.native.js create mode 100644 benchmark/c/Makefile create mode 100644 benchmark/c/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/stats/base/dists/chisquare/mgf.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/.editorconfig b/.editorconfig index 60d743f..0779e8a 100644 --- a/.editorconfig +++ b/.editorconfig @@ -121,7 +121,7 @@ indent_style = tab [*.{md,md.txt}] indent_style = space indent_size = 4 -trim_trailing_whitespace = false +trim_trailing_whitespace = true # Note: this disables using two spaces to force a hard line break, which is permitted in Markdown. As we don't typically follow that practice (TMK), we should be safe to automatically trim. # Set properties for `usage.txt` files: [usage.txt] diff --git a/.github/.keepalive b/.github/.keepalive deleted file mode 100644 index c8a95e8..0000000 --- a/.github/.keepalive +++ /dev/null @@ -1 +0,0 @@ -2024-12-01T05:00:30.079Z diff --git a/.github/workflows/test_install.yml b/.github/workflows/test_install.yml index 7e784bf..e26a873 100644 --- a/.github/workflows/test_install.yml +++ b/.github/workflows/test_install.yml @@ -50,8 +50,8 @@ jobs: env: SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }} - # Run workflow job if `publish` workflow run is successful or when the workflow is manually run: - if: ${{ github.event.workflow_run.conclusion == 'success' || github.event_name == 'workflow_dispatch' }} + # Run workflow job if `publish` workflow run is successful or when the workflow is manually triggered or on a schedule: + if: ${{ github.event.workflow_run.conclusion == 'success' || github.event_name == 'workflow_dispatch' || github.event_name == 'schedule' }} # Define the sequence of job steps... steps: diff --git a/.github/workflows/test_published_package.yml b/.github/workflows/test_published_package.yml index 6a94443..6b24887 100644 --- a/.github/workflows/test_published_package.yml +++ b/.github/workflows/test_published_package.yml @@ -47,8 +47,8 @@ jobs: env: SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }} - # Run workflow job if `publish` workflow run is successful or when the workflow is manually run: - if: ${{ github.event.workflow_run.conclusion == 'success' || github.event_name == 'workflow_dispatch' }} + # Run workflow job if `publish` workflow run is successful or when the workflow is manually triggered or on a schedule: + if: ${{ github.event.workflow_run.conclusion == 'success' || github.event_name == 'workflow_dispatch' || github.event_name == 'schedule' }} # Define the job's steps: steps: diff --git a/CHANGELOG.md b/CHANGELOG.md index a344f19..39bff0d 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -2,6 +2,63 @@ > Package changelog. +
+ +## Unreleased (2025-01-08) + +
+ +### Features + +- [`6def8d6`](https://github.com/stdlib-js/stdlib/commit/6def8d6af0309beb3e207ae21b4266f142edfa48) - add C implementation for `stats/base/dists/chisquare/mgf` [(#4593)](https://github.com/stdlib-js/stdlib/pull/4593) + +
+ + + +
+ +### Closed Issues + +This release closes the following issue: + +[#3506](https://github.com/stdlib-js/stdlib/issues/3506) + +
+ + + +
+ +### Commits + +
+ +- [`6def8d6`](https://github.com/stdlib-js/stdlib/commit/6def8d6af0309beb3e207ae21b4266f142edfa48) - **feat:** add C implementation for `stats/base/dists/chisquare/mgf` [(#4593)](https://github.com/stdlib-js/stdlib/pull/4593) _(by Karan Anand, Philipp Burckhardt, stdlib-bot)_ + +
+ +
+ + + +
+ +### Contributors + +A total of 2 people contributed to this release. Thank you to the following contributors: + +- Karan Anand +- Philipp Burckhardt + +
+ + + +
+ + +
## 0.2.2 (2024-07-28) diff --git a/CONTRIBUTORS b/CONTRIBUTORS index a8d0bb6..440aba1 100644 --- a/CONTRIBUTORS +++ b/CONTRIBUTORS @@ -2,11 +2,14 @@ # # Contributors listed in alphabetical order. +Aadish Jain Aayush Khanna Abhijit Raut Adarsh Palaskar Aditya Sapra -AgPriyanshu18 <113460573+AgPriyanshu18@users.noreply.github.com> +Ahmed Atwa +Ahmed Kashkoush +Ahmed Khaled Aleksandr <112382387+alextes90@users.noreply.github.com> Ali Salesi Aman Bhansali @@ -23,6 +26,9 @@ Dan Rose Daniel Killenberger Daniel Yu <40680511+Daniel777y@users.noreply.github.com> Debashis Maharana +Desh Deepak Kant <118960904+DeshDeepakKant@users.noreply.github.com> +Dhruv Arvind Singh <154677013+DhruvArvindSingh@users.noreply.github.com> +Divyansh Seth <59174836+sethdivyansh@users.noreply.github.com> Dominic Lim <46486515+domlimm@users.noreply.github.com> Dominik Moritz Dorrin Sotoudeh @@ -45,12 +51,12 @@ Jordan Gallivan <115050475+Jordan-Gallivan@users.noreply.github.com> Joris Labie Justin Dennison Karthik Prakash <116057817+skoriop@users.noreply.github.com> -Khaldon Kohantika Nath <145763549+kohantikanath@users.noreply.github.com> Krishnendu Das <86651039+itskdhere@users.noreply.github.com> Kshitij-Dale <152467202+Kshitij-Dale@users.noreply.github.com> -Lovelin <100030865+lovelindhoni@users.noreply.github.com> +Lovelin Dhoni J B <100030865+lovelindhoni@users.noreply.github.com> Manik Sharma +Manvith M <148960168+manvith2003@users.noreply.github.com> Marcus Fantham Matt Cochrane Mihir Pandit <129577900+MSP20086@users.noreply.github.com> @@ -59,37 +65,41 @@ Mohammad Kaif Momtchil Momtchev Muhammad Haris Naresh Jagadeesan +Naveen Kumar Neeraj Pathak -NightKnight +Nishant Shinde <97207366+nishant-s7@users.noreply.github.com> Nithin Katta <88046362+nithinkatta@users.noreply.github.com> Nourhan Hasan <109472010+TheNourhan@users.noreply.github.com> Ognjen Jevremović Oneday12323 <107678750+Oneday12323@users.noreply.github.com> +Ori Miles <97595296+orimiles5@users.noreply.github.com> Philipp Burckhardt Prajwal Kulkarni Pranav Goswami -Praneki <97080887+PraneGIT@users.noreply.github.com> -Pratik <97464067+Pratik772846@users.noreply.github.com> +Pranjal Jha <97080887+PraneGIT@users.noreply.github.com> +Prashant Kumar Yadav <144602492+0PrashantYadav0@users.noreply.github.com> +Pratik Singh <97464067+Pratik772846@users.noreply.github.com> Pratyush Kumar Chouhan -Priyansh <88396544+itsspriyansh@users.noreply.github.com> +Priyansh Prajapati <88396544+itsspriyansh@users.noreply.github.com> +Priyanshu Agarwal <113460573+AgPriyanshu18@users.noreply.github.com> Pushpendra Chandravanshi -RISHAV <115060907+rishav2404@users.noreply.github.com> Raunak Kumar Gupta Rejoan Sardar <119718513+Rejoan-Sardar@users.noreply.github.com> Ricky Reusser Ridam Garg <67867319+RidamGarg@users.noreply.github.com> +Rishav <115060907+rishav2404@users.noreply.github.com> Robert Gislason Roman Stetsyk <25715951+romanstetsyk@users.noreply.github.com> -Rutam <138517416+performant23@users.noreply.github.com> +Rutam Kathale <138517416+performant23@users.noreply.github.com> Ruthwik Chikoti <145591715+ruthwikchikoti@users.noreply.github.com> Ryan Seal Rylan Yang <137365285+rylany27@users.noreply.github.com> Sai Srikar Dumpeti <80447788+the-r3aper7@users.noreply.github.com> -SarthakPaandey <145528240+SarthakPaandey@users.noreply.github.com> +Sarthak Paandey <145528240+SarthakPaandey@users.noreply.github.com> Saurabh Singh Seyyed Parsa Neshaei Shashank Shekhar Singh -Shivam <11shivam00@gmail.com> +Shivam Ahir <11shivam00@gmail.com> Shraddheya Shendre Shubh Mehta <93862397+Shubh942@users.noreply.github.com> Shubham Mishra @@ -98,7 +108,7 @@ Snehil Shah Soumajit Chatterjee <121816890+soumajit23@users.noreply.github.com> Spandan Barve Stephannie Jiménez Gacha -Suraj kumar <125961509+kumarsuraj212003@users.noreply.github.com> +Suraj Kumar <125961509+kumarsuraj212003@users.noreply.github.com> Tirtadwipa Manunggal Tudor Pagu <104032457+tudor-pagu@users.noreply.github.com> Tufailahmed Bargir <142114244+Tufailahmed-Bargir@users.noreply.github.com> @@ -108,12 +118,10 @@ UtkershBasnet <119008923+UtkershBasnet@users.noreply.github.com> Vaibhav Patel <98279986+noobCoderVP@users.noreply.github.com> Varad Gupta Vinit Pandit <106718914+MeastroZI@users.noreply.github.com> +Vivek Maurya Xiaochuan Ye +Yaswanth Kosuru <116426380+yaswanthkosuru@users.noreply.github.com> Yernar Yergaziyev -naveen -nishant-s7 <97207366+nishant-s7@users.noreply.github.com> olenkabilonizhka <62379231+olenkabilonizhka@users.noreply.github.com> -orimiles5 <97595296+orimiles5@users.noreply.github.com> rainn <88160429+AmCodesLame@users.noreply.github.com> rei2hu -yaswanth <116426380+yaswanthkosuru@users.noreply.github.com> diff --git a/NOTICE b/NOTICE index e6e7482..cbd3a29 100644 --- a/NOTICE +++ b/NOTICE @@ -1 +1 @@ -Copyright (c) 2016-2024 The Stdlib Authors. +Copyright (c) 2016-2025 The Stdlib Authors. diff --git a/README.md b/README.md index af98aa6..06e6ac8 100644 --- a/README.md +++ b/README.md @@ -184,6 +184,101 @@ for ( i = 0; i < 10; i++ ) { + + +* * * + +
+ +## C APIs + + + +
+ +
+ + + + + +
+ +### Usage + +```c +#include "stdlib/stats/base/dists/chisquare/mgf.h" +``` + +#### stdlib_base_dists_chisquare_mgf( t, k ) + +Evaluates the moment-generating function (MGF) for a chi-squared distribution with degrees of freedom `k` at a value `t`. + +```c +double out = stdlib_base_dists_chisquare_mgf( 0.4, 2.0 ); +// returns ~5.0 +``` + +The function accepts the following arguments: + +- **t**: `[in] double` input value. +- **k**: `[in] double` degrees of freedom (must be non-negative). + +```c +double stdlib_base_dists_chisquare_mgf( const double t, const double k ); +``` + +
+ + + + + +
+ +
+ + + + + +
+ +### Examples + +```c +#include "stdlib/stats/base/dists/chisquare/mgf.h" +#include +#include + +static double random_uniform( const double min, const double max ) { + double v = (double)rand() / ( (double)RAND_MAX + 1.0 ); + return min + ( v * ( max - min ) ); +} + +int main( void ) { + double result; + double t; + double k; + int i; + + for ( i = 0; i < 10; i++ ) { + t = random_uniform( -0.5, 0.4 ); + k = random_uniform( 0.1, 10.0 ); + result = stdlib_base_dists_chisquare_mgf( t, k ); + printf( "t: %lf, k: %lf, M_X(t;k): %lf \n", t, k, result ); + } +} +``` + +
+ + + +
+ + +
@@ -226,7 +321,7 @@ See [LICENSE][stdlib-license]. ## Copyright -Copyright © 2016-2024. The Stdlib [Authors][stdlib-authors]. +Copyright © 2016-2025. The Stdlib [Authors][stdlib-authors].
diff --git a/benchmark/benchmark.native.js b/benchmark/benchmark.native.js new file mode 100644 index 0000000..ce15706 --- /dev/null +++ b/benchmark/benchmark.native.js @@ -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. +*/ + +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var bench = require( '@stdlib/bench-harness' ); +var Float64Array = require( '@stdlib/array-float64' ); +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 mgf = tryRequire( resolve( __dirname, './../lib/native.js' ) ); +var opts = { + 'skip': ( mgf instanceof Error ) +}; + + +// MAIN // + +bench( pkg+'::native', opts, function benchmark( b ) { + var len; + var t; + var k; + var y; + var i; + + len = 100; + t = new Float64Array( len ); + k = new Float64Array( len ); + for ( i = 0; i < len; i++ ) { + t[ i ] = ( randu() * 0.8 ) - 0.4; + k[ i ] = ( randu() * 10.0 ) + 0.1; + } + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + y = mgf( t[ i % len ], k[ i % len ] ); + 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/Makefile b/benchmark/c/Makefile new file mode 100644 index 0000000..a4bd7b3 --- /dev/null +++ b/benchmark/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 := 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/benchmark.c b/benchmark/c/benchmark.c new file mode 100644 index 0000000..3b8e28a --- /dev/null +++ b/benchmark/c/benchmark.c @@ -0,0 +1,107 @@ +/** +* @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 +#include "stdlib/stats/base/dists/chisquare/mgf.h" +#include +#include +#include +#include + +#define NAME "chisquare-mgf" +#define ITERATIONS 1000000 +#define REPEATS 3 + +static void print_version( void ) { + printf( "TAP version 13\n" ); +} + +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" ); +} + +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" ); +} + +static double tic( void ) { + struct timeval now; + gettimeofday( &now, NULL ); + return (double)now.tv_sec + (double)now.tv_usec / 1.0e6; +} + +static double random_uniform( const double min, const double max ) { + double v = (double)rand() / ( (double)RAND_MAX + 1.0 ); + return min + ( v * ( max - min ) ); +} + +static double benchmark( void ) { + double elapsed; + double t[ 100 ]; + double k[ 100 ]; + double y; + double start; + int i; + + for ( i = 0; i < 100; i++ ) { + t[ i ] = random_uniform( -0.4, 0.4 ); + k[ i ] = random_uniform( 0.1, 10.0 ); + } + + start = tic(); + for ( i = 0; i < ITERATIONS; i++ ) { + y = stdlib_base_dists_chisquare_mgf( t[ i % 100 ], k[ i % 100 ] ); + if ( isnan( y ) ) { + printf( "should not return NaN\n" ); + break; + } + } + elapsed = tic() - start; + + if ( isnan( y ) ) { + printf( "should not return NaN\n" ); + } + return elapsed; +} + +int main( void ) { + double elapsed; + int i; + + // Use the current time to seed the random number generator: + srand( time( NULL ) ); + + print_version(); + for ( i = 0; i < REPEATS; i++ ) { + printf( "# c::%s\n", NAME ); + elapsed = benchmark(); + print_results( elapsed ); + printf( "ok %d benchmark finished\n", i + 1 ); + } + print_summary( REPEATS, REPEATS ); +} diff --git a/binding.gyp b/binding.gyp new file mode 100644 index 0000000..68a1ca1 --- /dev/null +++ b/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/examples/c/Makefile b/examples/c/Makefile new file mode 100644 index 0000000..25ced82 --- /dev/null +++ b/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/examples/c/example.c b/examples/c/example.c new file mode 100644 index 0000000..bb65559 --- /dev/null +++ b/examples/c/example.c @@ -0,0 +1,40 @@ +/** +* @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/stats/base/dists/chisquare/mgf.h" +#include +#include + +static double random_uniform( const double min, const double max ) { + double v = (double)rand() / ( (double)RAND_MAX + 1.0 ); + return min + ( v * ( max - min ) ); +} + +int main( void ) { + double result; + double t; + double k; + int i; + + for ( i = 0; i < 10; i++ ) { + t = random_uniform( -0.5, 0.4 ); + k = random_uniform( 0.1, 10.0 ); + result = stdlib_base_dists_chisquare_mgf( t, k ); + printf( "t: %lf, k: %lf, M_X(t;k): %lf \n", t, k, result ); + } +} diff --git a/include.gypi b/include.gypi new file mode 100644 index 0000000..ee8b0dc --- /dev/null +++ b/include.gypi @@ -0,0 +1,53 @@ +# @license Apache-2.0 +# +# Copyright (c) 2025 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# A GYP include file for building a Node.js native add-on. +# +# Main documentation: +# +# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md +# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md +{ + # Define variables to be used throughout the configuration for all targets: + 'variables': { + # Source directory: + 'src_dir': './src', + + # Include directories: + 'include_dirs': [ + '= 0.5 ) { + return 0.0 / 0.0; // NaN + } + return stdlib_base_pow( 1.0 - ( 2.0 * t ), -k / 2.0 ); +} diff --git a/test/test.native.js b/test/test.native.js new file mode 100644 index 0000000..877dd43 --- /dev/null +++ b/test/test.native.js @@ -0,0 +1,114 @@ +/** +* @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 tryRequire = require( '@stdlib/utils-try-require' ); +var abs = require( '@stdlib/math-base-special-abs' ); +var NINF = require( '@stdlib/constants-float64-ninf' ); +var EPS = require( '@stdlib/constants-float64-eps' ); +var isnan = require( '@stdlib/math-base-assert-is-nan' ); + + +// VARIABLES // + +var mgf = tryRequire( resolve( __dirname, './../lib/native.js' ) ); +var opts = { + 'skip': ( mgf instanceof Error ) +}; + + +// FIXTURES // + +var decimalDecimal = require( './fixtures/julia/decimal_decimal.json' ); + + +// TESTS // + +tape( 'main export is a function', opts, function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof mgf, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'if provided `NaN` for any parameter, the function returns `NaN`', opts, function test( t ) { + var y = mgf( NaN, 1.0 ); + t.equal( isnan( y ), true, 'returns NaN' ); + y = mgf( 0.0, NaN ); + t.equal( isnan( y ), true, 'returns NaN' ); + t.end(); +}); + +tape( 'if provided a negative `k`, the function always returns `NaN`', opts, function test( t ) { + var y; + + y = mgf( 0.4, -1.0 ); + t.equal( isnan( y ), true, 'returns NaN' ); + + y = mgf( 0.0, -1.0 ); + t.equal( isnan( y ), true, 'returns NaN' ); + + y = mgf( 0.4, NINF ); + t.equal( isnan( y ), true, 'returns NaN' ); + + t.end(); +}); + +tape( 'if provided `t >= 0.5`, the function always returns `NaN`', opts, function test( t ) { + var y; + + y = mgf( 0.5, 1.0 ); + t.equal( isnan( y ), true, 'returns NaN' ); + + y = mgf( 1.0, 1.0 ); + t.equal( isnan( y ), true, 'returns NaN' ); + + y = mgf( 10.0, 1.0 ); + t.equal( isnan( y ), true, 'returns NaN' ); + + t.end(); +}); + +tape( 'the function evaluates the MGF for `x` given degrees of freedom `k`', opts, function test( t ) { + var expected; + var delta; + var tol; + var x; + var k; + var y; + var i; + + expected = decimalDecimal.expected; + x = decimalDecimal.x; + k = decimalDecimal.k; + for ( i = 0; i < x.length; i++ ) { + y = mgf( x[i], k[i] ); + if ( y === expected[i] ) { + t.equal( y, expected[i], 'x: '+x[i]+', k: '+k[i]+', y: '+y+', expected: '+expected[i] ); + } else { + delta = abs( y - expected[ i ] ); + tol = EPS * abs( expected[ i ] ); + t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. k: '+k[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' ); + } + } + t.end(); +});