From d253317c2c9c5610ce7a47606fa7aeb8a7a6c8c9 Mon Sep 17 00:00:00 2001 From: stdlib-bot Date: Sat, 8 Feb 2025 03:13:57 +0000 Subject: [PATCH] Auto-generated commit --- .editorconfig | 3 +- .github/.keepalive | 1 - .github/workflows/test_install.yml | 4 +- .github/workflows/test_published_package.yml | 4 +- CHANGELOG.md | 58 ++++++ CONTRIBUTORS | 44 +++-- NOTICE | 2 +- README.md | 98 +++++++++- benchmark/benchmark.js | 26 ++- benchmark/benchmark.native.js | 70 ++++++++ benchmark/c/Makefile | 146 +++++++++++++++ benchmark/c/benchmark.c | 140 +++++++++++++++ binding.gyp | 170 ++++++++++++++++++ examples/c/Makefile | 146 +++++++++++++++ examples/c/example.c | 41 +++++ include.gypi | 53 ++++++ .../stdlib/stats/base/dists/degenerate/cdf.h | 38 ++++ lib/native.js | 63 +++++++ manifest.json | 77 ++++++++ package.json | 10 +- src/Makefile | 70 ++++++++ src/addon.c | 23 +++ src/main.c | 38 ++++ test/test.native.js | 79 ++++++++ 24 files changed, 1372 insertions(+), 32 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/degenerate/cdf.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..dab5d2a 100644 --- a/.editorconfig +++ b/.editorconfig @@ -86,7 +86,6 @@ indent_style = tab [*.{f,f.txt}] indent_style = space indent_size = 2 -insert_final_newline = false # Set properties for shell files: [*.{sh,sh.txt}] @@ -121,7 +120,7 @@ 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 d66cec9..0000000 --- a/.github/.keepalive +++ /dev/null @@ -1 +0,0 @@ -2024-12-01T01:55:42.964Z diff --git a/.github/workflows/test_install.yml b/.github/workflows/test_install.yml index b07dfc1..5b78194 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 5fcf9bc..b036bee 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 1e1fc71..c859a05 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -2,6 +2,64 @@ > Package changelog. +
+ +## Unreleased (2025-02-08) + +
+ +### Features + +- [`0ee8494`](https://github.com/stdlib-js/stdlib/commit/0ee849466ff50e5693c7904579c178fbaf5c81e2) - add C implementation for `stats/base/dists/degenerate/cdf` [(#4375)](https://github.com/stdlib-js/stdlib/pull/4375) + +
+ + + +
+ +### Closed Issues + +This release closes the following issue: + +[#3535](https://github.com/stdlib-js/stdlib/issues/3535) + +
+ + + +
+ +### Commits + +
+ +- [`0ee8494`](https://github.com/stdlib-js/stdlib/commit/0ee849466ff50e5693c7904579c178fbaf5c81e2) - **feat:** add C implementation for `stats/base/dists/degenerate/cdf` [(#4375)](https://github.com/stdlib-js/stdlib/pull/4375) _(by Neeraj Pathak, stdlib-bot)_ +- [`1fc3918`](https://github.com/stdlib-js/stdlib/commit/1fc3918810a556d2593f4ec8a0764dce88a519fc) - **bench:** refactor random number generation in `stats/base/dists/degenerate` [(#4862)](https://github.com/stdlib-js/stdlib/pull/4862) _(by Karan Anand)_ + +
+ +
+ + + +
+ +### Contributors + +A total of 2 people contributed to this release. Thank you to the following contributors: + +- Karan Anand +- Neeraj Pathak + +
+ + + +
+ + +
## 0.2.2 (2024-07-27) diff --git a/CONTRIBUTORS b/CONTRIBUTORS index a8d0bb6..bbccf30 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 +26,10 @@ Dan Rose Daniel Killenberger Daniel Yu <40680511+Daniel777y@users.noreply.github.com> Debashis Maharana +Desh Deepak Kant <118960904+DeshDeepakKant@users.noreply.github.com> +Dev Goel <135586571+corsairier@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 @@ -44,52 +51,58 @@ Joey Reed Jordan Gallivan <115050475+Jordan-Gallivan@users.noreply.github.com> Joris Labie Justin Dennison +Karan Anand <119553199+anandkaranubc@users.noreply.github.com> 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> Milan Raj +Mohammad Bin Aftab <48010758+MohammadBinAftab@users.noreply.github.com> 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 +111,7 @@ 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 +121,11 @@ 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> +pranav-1720 <123018993+pranav-1720@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 101bb87..67abb52 100644 --- a/README.md +++ b/README.md @@ -147,6 +147,102 @@ for ( i = 0; i < 100; i++ ) { + + +* * * + +
+ +## C APIs + + + +
+ +
+ + + + + +
+ +### Usage + +```c +#include "stdlib/stats/base/dists/degenerate/cdf.h" +``` + +#### stdlib_base_dists_degenerate_cdf( x, mu ) + +Evaluates the [CDF][cdf] of a [degenerate distribution][degenerate-distribution] centered at `mu`. + +```c +double y = stdlib_base_dists_degenerate_cdf( 2.0, 3.0 ); +// returns 0.0 +``` + +The function accepts the following arguments: + +- **x**: `[in] double` input value. +- **mu**: `[in] double` constant value of distribution. + +```c +double stdlib_base_dists_degenerate_cdf( const double x, const double mu ); +``` + +
+ + + + + +
+ +
+ + + + + +
+ +### Examples + +```c +#include "stdlib/stats/base/dists/degenerate/cdf.h" +#include "stdlib/math/base/special/round.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 mu; + double x; + double y; + int i; + + for ( i = 0; i < 10; i++ ) { + x = stdlib_base_round( random_uniform( 0.0, 10.0 ) ); + mu = stdlib_base_round( random_uniform( 0.0, 10.0 ) ); + y = stdlib_base_dists_degenerate_cdf( x, mu ); + printf( "x: %lf, µ: %lf, F(x;µ): %lf\n", x, mu, y ); + } +} +``` + +
+ + + +
+ + +
@@ -181,7 +277,7 @@ 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.js b/benchmark/benchmark.js index 4374e4b..4ce48f7 100644 --- a/benchmark/benchmark.js +++ b/benchmark/benchmark.js @@ -21,7 +21,8 @@ // MODULES // var bench = require( '@stdlib/bench-harness' ); -var randu = require( '@stdlib/random-base-randu' ); +var uniform = require( '@stdlib/random-base-uniform' ); +var Float64Array = require( '@stdlib/array-float64' ); var isnan = require( '@stdlib/math-base-assert-is-nan' ); var pkg = require( './../package.json' ).name; var cdf = require( './../lib' ); @@ -30,16 +31,23 @@ var cdf = require( './../lib' ); // MAIN // bench( pkg, function benchmark( b ) { + var len; var mu; var x; var y; var i; + len = 100; + x = new Float64Array( len ); + mu = new Float64Array( len ); + for ( i = 0; i < len; i++ ) { + x[ i ] = uniform( -100.0, 0.0 ); + mu[ i ] = uniform( -50.0, 50.0 ); + } + b.tic(); for ( i = 0; i < b.iterations; i++ ) { - x = ( randu()*100.0 ) - 100; - mu = ( randu()*100.0 ) - 50.0; - y = cdf( x, mu ); + y = cdf( x[ i % len ], mu[ i % len ] ); if ( isnan( y ) ) { b.fail( 'should not return NaN' ); } @@ -54,6 +62,7 @@ bench( pkg, function benchmark( b ) { bench( pkg+':factory', function benchmark( b ) { var mycdf; + var len; var mu; var x; var y; @@ -62,10 +71,15 @@ bench( pkg+':factory', function benchmark( b ) { mu = 40.0; mycdf = cdf.factory( mu ); + len = 100; + x = new Float64Array( len ); + for ( i = 0; i < len; i++ ) { + x[ i ] = uniform( 0.0, 100.0 ); + } + b.tic(); for ( i = 0; i < b.iterations; i++ ) { - x = ( randu()*100.0 ); - y = mycdf( x ); + y = mycdf( x[ i % len ] ); if ( isnan( y ) ) { b.fail( 'should not return NaN' ); } diff --git a/benchmark/benchmark.native.js b/benchmark/benchmark.native.js new file mode 100644 index 0000000..89d3278 --- /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 uniform = require( '@stdlib/random-base-uniform' ); +var Float64Array = require( '@stdlib/array-float64' ); +var isnan = require( '@stdlib/math-base-assert-is-nan' ); +var tryRequire = require( '@stdlib/utils-try-require' ); +var pkg = require( './../package.json' ).name; + + +// VARIABLES // + +var cdf = tryRequire( resolve( __dirname, './../lib/native.js' ) ); +var opts = { + 'skip': ( cdf instanceof Error ) +}; + + +// MAIN // + +bench( pkg+'::native', opts, function benchmark( b ) { + var len; + var mu; + var x; + var y; + var i; + + len = 100; + x = new Float64Array( len ); + mu = new Float64Array( len ); + for ( i = 0; i < len; i++ ) { + x[ i ] = uniform( -100.0, 0.0 ); + mu[ i ] = uniform( -50.0, 50.0 ); + } + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + y = cdf( x[ i % len ], mu[ 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..ffc76d5 --- /dev/null +++ b/benchmark/c/benchmark.c @@ -0,0 +1,140 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2025 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/stats/base/dists/degenerate/cdf.h" +#include +#include +#include +#include +#include + +#define NAME "degenerate-cdf" +#define ITERATIONS 1000000 +#define REPEATS 3 + +/** +* Prints the TAP version. +*/ +static void print_version( void ) { + printf( "TAP version 13\n" ); +} + +/** +* Prints the TAP summary. +* +* @param total total number of tests +* @param passing total number of passing tests +*/ +static void print_summary( int total, int passing ) { + printf( "#\n" ); + printf( "1..%d\n", total ); // TAP plan + printf( "# total %d\n", total ); + printf( "# pass %d\n", passing ); + printf( "#\n" ); + printf( "# ok\n" ); +} + +/** +* Prints benchmarks results. +* +* @param elapsed elapsed time in seconds +*/ +static void print_results( double elapsed ) { + double rate = (double)ITERATIONS / elapsed; + printf( " ---\n" ); + printf( " iterations: %d\n", ITERATIONS ); + printf( " elapsed: %0.9f\n", elapsed ); + printf( " rate: %0.9f\n", rate ); + printf( " ...\n" ); +} + +/** +* Returns a clock time. +* +* @return clock time +*/ +static double tic( void ) { + struct timeval now; + gettimeofday( &now, NULL ); + return (double)now.tv_sec + (double)now.tv_usec/1.0e6; +} + +/** +* Generates a random number on the interval [min,max). +* +* @param min minimum value (inclusive) +* @param max maximum value (exclusive) +* @return random number +*/ +static double random_uniform( const double min, const double max ) { + double v = (double)rand() / ( (double)RAND_MAX + 1.0 ); + return min + ( v*(max-min) ); +} + +/** +* Runs a benchmark. +* +* @return elapsed time in seconds +*/ +static double benchmark( void ) { + double elapsed; + double mu[ 100 ]; + double x[ 100 ]; + double y; + double t; + int i; + + for ( i = 0; i < 100; i++ ) { + x[ i ] = random_uniform( -100.0, 0.0 ); + mu[ i ] = random_uniform( -50.0, 50.0 ); + } + + t = tic(); + for ( i = 0; i < ITERATIONS; i++ ) { + y = stdlib_base_dists_degenerate_cdf( x[ i % 100 ], mu[ i % 100 ] ); + 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::%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..c6a6837 --- /dev/null +++ b/examples/c/example.c @@ -0,0 +1,41 @@ +/** +* @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/degenerate/cdf.h" +#include "stdlib/math/base/special/round.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 mu; + double x; + double y; + int i; + + for ( i = 0; i < 10; i++ ) { + x = stdlib_base_round( random_uniform( 0.0, 10.0 ) ); + mu = stdlib_base_round( random_uniform( 0.0, 10.0 ) ); + y = stdlib_base_dists_degenerate_cdf( x, mu ); + printf( "x: %lf, µ: %lf, F(x;µ): %lf\n", x, mu, y ); + } +} 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': [ + '