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 eb12dba..0000000 --- a/.github/.keepalive +++ /dev/null @@ -1 +0,0 @@ -2024-12-01T01:50:43.697Z diff --git a/.github/workflows/test_install.yml b/.github/workflows/test_install.yml index d56c75c..21a1dd9 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 ba0824f..2e0a31a 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 46b1fc6..86d906f 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -2,6 +2,63 @@ > Package changelog. +
+ +## Unreleased (2024-12-21) + +
+ +### Features + +- [`b884459`](https://github.com/stdlib-js/stdlib/commit/b8844596b7f57a356ff38333c0c5da9b63401874) - add C implementation for `stats/base/dists/triangular/mean` [(#4006)](https://github.com/stdlib-js/stdlib/pull/4006) + +
+ + + +
+ +### Closed Issues + +This release closes the following issue: + +[#3816](https://github.com/stdlib-js/stdlib/issues/3816) + +
+ + + +
+ +### Commits + +
+ +- [`b884459`](https://github.com/stdlib-js/stdlib/commit/b8844596b7f57a356ff38333c0c5da9b63401874) - **feat:** add C implementation for `stats/base/dists/triangular/mean` [(#4006)](https://github.com/stdlib-js/stdlib/pull/4006) _(by Prashant Kumar Yadav, Philipp Burckhardt)_ + +
+ +
+ + + +
+ +### Contributors + +A total of 2 people contributed to this release. Thank you to the following contributors: + +- Philipp Burckhardt +- Prashant Kumar Yadav + +
+ + + +
+ + +
## 0.2.2 (2024-07-27) diff --git a/CONTRIBUTORS b/CONTRIBUTORS index a8d0bb6..173c07b 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 +26,8 @@ Dan Rose Daniel Killenberger Daniel Yu <40680511+Daniel777y@users.noreply.github.com> Debashis Maharana +Desh Deepak Kant <118960904+DeshDeepakKant@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 +50,12 @@ 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 +64,41 @@ 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 +107,7 @@ 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 +117,10 @@ 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 <155618190+vivekmaurya001@users.noreply.github.com> 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/README.md b/README.md index 596122e..049323a 100644 --- a/README.md +++ b/README.md @@ -174,6 +174,100 @@ for ( i = 0; i < 10; i++ ) { + + +* * * + +
+ +## C APIs + + + +
+ +
+ + + + + +
+ +### Usage + +```c +#include "stdlib/stats/base/dists/triangular/mean.h" +``` + +#### stdlib_base_dists_triangular_mean( a, b, c ) + +Returns the [expected value][expected-value] of a [triangular][triangular-distribution] distribution. + +```c +double out = stdlib_base_dists_triangular_mean( 0.0, 1.0, 0.5 ); +// returns ~0.333 +``` + +The function accepts the following arguments: + +- **a**: `[in] double` minimum support. +- **b**: `[in] double` maximum support. +- **c**: `[in] double` mode. + +```c +double stdlib_base_dists_triangular_mean( const double a, const double b, const double c ); +``` + +
+ + + + + +
+ +
+ + + + + +
+ +### Examples + +```c +#include "stdlib/stats/base/dists/triangular/mean.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 a; + double b; + double c; + double y; + int i; + + for ( i = 0; i < 25; i++ ) { + a = random_uniform( 0.0, 10.0 ); + b = random_uniform( 0.0, 10.0 ) + a; + c = a + (b - a) * random_uniform( 0.0, 1.0 ); // mode between a and b + y = stdlib_base_dists_triangular_mean( a, b, c ); + printf( "a: %lf, b: %lf, c: %lf, E(X;a,b,c): %lf\n", a, b, c, y ); + } +} +``` + +
+ + +
diff --git a/benchmark/benchmark.js b/benchmark/benchmark.js index 4eb6020..44cc411 100644 --- a/benchmark/benchmark.js +++ b/benchmark/benchmark.js @@ -21,9 +21,9 @@ // MODULES // 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 EPS = require( '@stdlib/constants-float64-eps' ); var pkg = require( './../package.json' ).name; var mean = require( './../lib' ); @@ -31,18 +31,26 @@ var mean = require( './../lib' ); // MAIN // bench( pkg, function benchmark( b ) { - var mode; - var min; - var max; + var bnd; + var len; + var a; + var c; var y; var i; + len = 100; + a = new Float64Array( len ); + bnd = new Float64Array( len ); + c = new Float64Array( len ); + for ( i = 0; i < len; i++ ) { + a[ i ] = randu() * 20.0; + bnd[ i ] = ( randu() * 20.0 ) + a[ i ]; + c[ i ] = ( randu() * ( bnd[i] - a[i] ) ) + a[i]; + } + b.tic(); for ( i = 0; i < b.iterations; i++ ) { - min = ( randu()*10.0 ); - max = ( randu()*10.0 ) + min + EPS; - mode = ( ( max - min ) * randu() ) + min; - y = mean( min, max, mode ); + y = mean( a[i % len], bnd[i % len], c[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..bab0dcd --- /dev/null +++ b/benchmark/benchmark.native.js @@ -0,0 +1,73 @@ +/** +* @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 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 mean = tryRequire( resolve( __dirname, './../lib/native.js' ) ); +var opts = { + 'skip': ( mean instanceof Error ) +}; + + +// MAIN // + +bench( pkg+'::native', opts, function benchmark( b ) { + var bnd; + var len; + var a; + var c; + var y; + var i; + + len = 100; + a = new Float64Array( len ); + bnd = new Float64Array( len ); + c = new Float64Array( len ); + for ( i = 0; i < len; i++ ) { + a[ i ] = ( randu() * 20.0 ); + bnd[ i ] = ( randu() * 20.0 ) + a[ i ]; + c[ i ] = ( randu() * ( bnd[i] - a[i] ) ) + a[i]; + } + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + y = mean( a[ i % len ], bnd[ i % len ], c[ 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..f69e9da --- /dev/null +++ b/benchmark/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 := 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..44921d2 --- /dev/null +++ b/benchmark/c/benchmark.c @@ -0,0 +1,139 @@ +/** +* @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/stats/base/dists/triangular/mean.h" +#include +#include +#include +#include +#include + +#define NAME "triangular-mean" +#define ITERATIONS 1000000 +#define REPEATS 3 + +/** +* Prints the TAP version. +*/ +static void print_version( void ) { + printf( "TAP version 13\n" ); +} + +/** +* Prints the TAP summary. +* +* @param total total number of tests +* @param passing total number of passing tests +*/ +static void print_summary( int total, int passing ) { + printf( "#\n" ); + printf( "1..%d\n", total ); // TAP plan + printf( "# total %d\n", total ); + printf( "# pass %d\n", passing ); + printf( "#\n" ); + printf( "# ok\n" ); +} + +/** +* Prints benchmarks results. +* +* @param elapsed elapsed time in seconds +*/ +static void print_results( double elapsed ) { + double rate = (double)ITERATIONS / elapsed; + printf( " ---\n" ); + printf( " iterations: %d\n", ITERATIONS ); + printf( " elapsed: %0.9f\n", elapsed ); + printf( " rate: %0.9f\n", rate ); + printf( " ...\n" ); +} + +/** +* Returns a clock time. +* +* @return clock time +*/ +static double tic( void ) { + struct timeval now; + gettimeofday( &now, NULL ); + return (double)now.tv_sec + (double)now.tv_usec/1.0e6; +} + +/** +* Generates a random number on the interval [0,20). +* +* @return random number +*/ +static double rand_double( void ) { + int r = rand(); + return 20.0*(double)r / ( (double)RAND_MAX + 1.0 ); +} + +/** +* Runs a benchmark. +* +* @return elapsed time in seconds +*/ +static double benchmark( void ) { + double elapsed; + double a[ 100 ], b[ 100 ], c[ 100 ]; + double y; + double t; + int i; + + // Generate random parameters for the triangular distribution + for ( i = 0; i < 100; i++ ) { + a[ i ] = rand_double() * 20.0; // Lower bound + b[ i ] = ( rand_double() * 20.0 ) + a[ i ]; // Upper bound + c[ i ] = ( rand_double() * ( b[i] - a[i] ) ) + a[i]; // Mode + } + + t = tic(); + for ( i = 0; i < ITERATIONS; i++ ) { + y = stdlib_base_dists_triangular_mean( a[ i%100 ], b[ i%100 ], c[ 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..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..855158d --- /dev/null +++ b/examples/c/example.c @@ -0,0 +1,44 @@ +/** +* @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/stats/base/dists/triangular/mean.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 a; + double b; + double c; + double y; + int i; + + for ( i = 0; i < 25; i++ ) { + a = random_uniform( 0.0, 10.0 ); + b = random_uniform( 0.0, 10.0 ) + a; + c = a + (b - a) * random_uniform( 0.0, 1.0 ); // mode between a and b + y = stdlib_base_dists_triangular_mean( a, b, c ); + printf( "a: %lf, b: %lf, c: %lf, E(X;a,b,c): %lf\n", a, b, c, y ); + } + + return 0; +} 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': [ + ' b || + a > c || + b < c + ) { + return 0.0 / 0.0; // NaN + } + return ( a + b + c ) / 3.0; +} diff --git a/test/test.native.js b/test/test.native.js new file mode 100644 index 0000000..b9dde62 --- /dev/null +++ b/test/test.native.js @@ -0,0 +1,109 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2024 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var tape = require( 'tape' ); +var tryRequire = require( '@stdlib/utils-try-require' ); +var isnan = require( '@stdlib/math-base-assert-is-nan' ); +var abs = require( '@stdlib/math-base-special-abs' ); +var EPS = require( '@stdlib/constants-float64-eps' ); + + +// FIXTURES // + +var data = require( './fixtures/julia/data.json' ); + + +// VARIABLES // + +var mean = tryRequire( resolve( __dirname, './../lib/native.js' ) ); +var opts = { + 'skip': ( mean instanceof Error ) +}; + + +// TESTS // + +tape( 'main export is a function', function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof mean, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'if provided `NaN` for any parameter, the function returns `NaN`', function test( t ) { + var v = mean( NaN, 1.0, 0.5 ); + t.equal( isnan( v ), true, 'returns NaN' ); + + v = mean( 0.0, NaN, 0.5 ); + t.equal( isnan( v ), true, 'returns NaN' ); + + v = mean( 0.0, 10.0, NaN ); + t.equal( isnan( v ), true, 'returns NaN' ); + + t.end(); +}); + +tape( 'if provided parameters not satisfying `a <= c <= b`, the function returns `NaN`', function test( t ) { + var y; + + y = mean( -1.0, -1.1, -1.0 ); + t.equal( isnan( y ), true, 'returns NaN' ); + + y = mean( 3.0, 2.0, 2.5 ); + t.equal( isnan( y ), true, 'returns NaN' ); + + y = mean( 0.0, 1.0, -1.0 ); + t.equal( isnan( y ), true, 'returns NaN' ); + + y = mean( 0.0, 1.0, 2.0 ); + t.equal( isnan( y ), true, 'returns NaN' ); + + t.end(); +}); + +tape( 'the function returns the mean of a triangular distribution', opts, function test( t ) { + var expected; + var delta; + var tol; + var a; + var b; + var c; + var i; + var y; + + expected = data.expected; + a = data.a; + b = data.b; + c = data.c; + + for ( i = 0; i < expected.length; i++ ) { + y = mean( a[i], b[i], c[i] ); + if ( y === expected[i] ) { + t.equal( y, expected[i], 'a: '+a[i]+', b: '+b[i]+', c: '+c[i]+', y: '+y+', expected: '+expected[i] ); + } else { + delta = abs( y - expected[ i ] ); + tol = 1.0 * EPS * abs( expected[ i ] ); + t.ok( delta <= tol, 'within tolerance. a: '+a[i]+'. b: '+b[i]+'. c: '+c[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' ); + } + } + t.end(); +});