From a87eb4e61ef5b6e2cd2a938ec44ddd56e896c254 Mon Sep 17 00:00:00 2001 From: Neerajpathak07 Date: Tue, 17 Dec 2024 14:50:14 +0530 Subject: [PATCH 1/2] feat: add-beta-cdf --- .../stats/base/dists/beta/cdf/README.md | 125 ++++++++++ .../beta/cdf/benchmark/benchmark.native.js | 93 +++++++ .../base/dists/beta/cdf/benchmark/c/Makefile | 146 +++++++++++ .../dists/beta/cdf/benchmark/c/benchmark.c | 138 +++++++++++ .../stats/base/dists/beta/cdf/binding.gyp | 170 +++++++++++++ .../base/dists/beta/cdf/examples/c/Makefile | 146 +++++++++++ .../base/dists/beta/cdf/examples/c/example.c | 39 +++ .../stats/base/dists/beta/cdf/include.gypi | 53 ++++ .../stdlib/stats/base/dists/beta/cdf.h | 38 +++ .../stats/base/dists/beta/cdf/lib/native.js | 87 +++++++ .../stats/base/dists/beta/cdf/manifest.json | 79 ++++++ .../stats/base/dists/beta/cdf/package.json | 3 + .../stats/base/dists/beta/cdf/src/Makefile | 70 ++++++ .../stats/base/dists/beta/cdf/src/addon.c | 23 ++ .../stats/base/dists/beta/cdf/src/main.c | 94 +++++++ .../base/dists/beta/cdf/test/test.native.js | 231 ++++++++++++++++++ 16 files changed, 1535 insertions(+) create mode 100644 lib/node_modules/@stdlib/stats/base/dists/beta/cdf/benchmark/benchmark.native.js create mode 100644 lib/node_modules/@stdlib/stats/base/dists/beta/cdf/benchmark/c/Makefile create mode 100644 lib/node_modules/@stdlib/stats/base/dists/beta/cdf/benchmark/c/benchmark.c create mode 100644 lib/node_modules/@stdlib/stats/base/dists/beta/cdf/binding.gyp create mode 100644 lib/node_modules/@stdlib/stats/base/dists/beta/cdf/examples/c/Makefile create mode 100644 lib/node_modules/@stdlib/stats/base/dists/beta/cdf/examples/c/example.c create mode 100644 lib/node_modules/@stdlib/stats/base/dists/beta/cdf/include.gypi create mode 100644 lib/node_modules/@stdlib/stats/base/dists/beta/cdf/include/stdlib/stats/base/dists/beta/cdf.h create mode 100644 lib/node_modules/@stdlib/stats/base/dists/beta/cdf/lib/native.js create mode 100644 lib/node_modules/@stdlib/stats/base/dists/beta/cdf/manifest.json create mode 100644 lib/node_modules/@stdlib/stats/base/dists/beta/cdf/src/Makefile create mode 100644 lib/node_modules/@stdlib/stats/base/dists/beta/cdf/src/addon.c create mode 100644 lib/node_modules/@stdlib/stats/base/dists/beta/cdf/src/main.c create mode 100644 lib/node_modules/@stdlib/stats/base/dists/beta/cdf/test/test.native.js diff --git a/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/README.md b/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/README.md index 987c6a101ae6..defde5b3ffc4 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/README.md +++ b/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/README.md @@ -164,6 +164,131 @@ for ( i = 0; i < 10; i++ ) { + + +* * * + +
+ +## C APIs + + + +
+ +
+ + + + + +
+ +### Usage + +```c +#include "stdlib/stats/base/dists/beta/cdf.h" +``` + +#### stdlib_base_dists_beta_cdf( x, alpha, beta ) + +Evaluates the cumulative distribution function (CDF) for an beta distribution. + +```c +double y = stdlib_base_dists_beta_cdf( 0.5, 1.0, 1.0 ); +// returns ~0.5 + +y = stdlib_base_dists_beta_cdf( 0.5, 2.0, 4.0 ); +// returns ~0.813 + +y = stdlib_base_dists_beta_cdf( 0.2, 2.0, 2.0 ); +// returns ~0.104 + +y = stdlib_base_dists_beta_cdf( 0.8, 4.0, 4.0 ); +// returns ~0.967 + +y = stdlib_base_dists_beta_cdf( -0.5, 4.0, 2.0 ); +// returns ~0.0 + +y = stdlib_base_dists_beta_cdf( 1.5, 4.0, 2.0 ); +// returns ~1.0 + +y = stdlib_base_dists_beta_cdf( 2.0, -1.0, 0.5 ); +// returns NaN + +y = stdlib_base_dists_beta_cdf( 2.0, 0.5, -1.0 ); +// returns NaN + +y = stdlib_base_dists_beta_cdf( NaN, 1.0, 1.0 ); +// returns NaN + +y = stdlib_base_dists_beta_cdf( 0.0, NaN, 1.0 ); +// returns NaN + +y = stdlib_base_dists_beta_cdf( 0.0, 1.0, NaN ); +// returns NaN +``` + +The function accepts the following arguments: + +- **x**: `[in] double` input value. +- **alpha**: `[in] double` first shape parameter +- **beta**: `[in] double` second shape parameter + +```c +double stdlib_base_dists_bernoulli_cdf( const double x, const double alpha, const double beta ); +``` + +
+ + + + + +
+ +
+ + + + + +
+ +### Examples + +```c +#include "stdlib/stats/base/dists/beta/cdf.h" +#include "stdlib/constants/float64/eps.h" +#include +#include + +int main( void ) { + double p; + double alpha; + double beta; + double x; + double y; + int i; + + for ( i = 0; i < 10; i++ ) { + x = ( (double)rand() / (double)RAND_MAX ); + alpha = ( ( (double)rand() / (double)RAND_MAX )*5.0 ) + STDLIB_CONSTANT_FLOAT64_EPS; + beta = ( ( (double)rand() / (double)RAND_MAX )*5.0 ) + STDLIB_CONSTANT_FLOAT64_EPS; + y = stdlib_base_dists_beta_cdf( x, alpha, beta ); + printf( "x: %1f, α: %1f, β: %1f, F(x;α,β): %lf\n", x, alpha, beta, y ); + } +} +``` + +
+ + + +
+ +
diff --git a/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/benchmark/benchmark.native.js new file mode 100644 index 000000000000..15c530c30673 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/benchmark/benchmark.native.js @@ -0,0 +1,93 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2018 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var bench = require( '@stdlib/bench' ); +var randu = require( '@stdlib/random/base/randu' ); +var isnan = require( '@stdlib/math/base/assert/is-nan' ); +var tryRequire = require( '@stdlib/utils/try-require' ); +var EPS = require( '@stdlib/constants/float64/eps' ); +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 alpha; + var beta; + var x; + var y; + var i; + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + x = ( randu()*2.0 ) + EPS; + alpha = ( randu()*100.0 ) + EPS; + beta = ( randu()*100.0 ) + EPS; + y = cdf( x, alpha, beta ); + 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(); +}); + +bench( pkg+':factory', opts, function benchmark( b ) { + var mycdf; + var alpha; + var beta; + var x; + var y; + var i; + + alpha = 100.56789; + beta = 55.54321; + mycdf = cdf.factory( alpha, beta ); + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + x = ( randu()*2.0 ) + EPS; + y = mycdf( x ); + if ( isnan( y ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + if ( isnan( y ) ) { + b.fail( 'should not return NaN' ); + } + b.pass( 'benchmark finished' ); + b.end(); +}); diff --git a/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/benchmark/c/Makefile b/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/benchmark/c/Makefile new file mode 100644 index 000000000000..0ebf4545e1a9 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/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 \ No newline at end of file diff --git a/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/benchmark/c/benchmark.c b/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/benchmark/c/benchmark.c new file mode 100644 index 000000000000..6852f1e7ccbf --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/benchmark/c/benchmark.c @@ -0,0 +1,138 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2024 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/stats/base/dists/beta/cdf.h" +#include "stdlib/constants/float64/eps.h" +#include +#include +#include +#include +#include + +#define NAME "beta-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 [0,1). +* +* @return random number +*/ +static double rand_double( void ) { + int r = rand(); + return (double)r / ( (double)RAND_MAX + 1.0 ); +} + +/** +* Runs a benchmark. +* +* @return elapsed time in seconds +*/ +static double benchmark( void ) { + double elapsed; + double alpha; + double beta; + double x; + double y; + double t; + int i; + + t = tic(); + for ( i = 0; i < ITERATIONS; i++ ) { + x = ( ( (double)rand() / (double)RAND_MAX )*3.0 ) + STDLIB_CONSTANT_FLOAT64_EPS; + alpha = ( ( (double)rand() / (double)RAND_MAX )*100.0 ) + STDLIB_CONSTANT_FLOAT64_EPS; + beta = ( ( (double)rand() / (double)RAND_MAX )*100.0 ) + STDLIB_CONSTANT_FLOAT64_EPS; + y = stdlib_base_dists_beta_cdf( x, alpha, beta ); + 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 ); +} \ No newline at end of file diff --git a/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/binding.gyp b/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/binding.gyp new file mode 100644 index 000000000000..507cb00291e7 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/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 +} \ No newline at end of file diff --git a/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/examples/c/Makefile b/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/examples/c/Makefile new file mode 100644 index 000000000000..d53ef397c77d --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/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 \ No newline at end of file diff --git a/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/examples/c/example.c b/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/examples/c/example.c new file mode 100644 index 000000000000..38f7b4628072 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/examples/c/example.c @@ -0,0 +1,39 @@ +/** +* @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/beta/cdf.h" +#include "stdlib/constants/float64/eps.h" +#include +#include + +int main( void ) { + double p; + double alpha; + double beta; + double x; + double y; + int i; + + for ( i = 0; i < 10; i++ ) { + x = ( (double)rand() / (double)RAND_MAX ); + alpha = ( ( (double)rand() / (double)RAND_MAX )*5.0 ) + STDLIB_CONSTANT_FLOAT64_EPS; + beta = ( ( (double)rand() / (double)RAND_MAX )*5.0 ) + STDLIB_CONSTANT_FLOAT64_EPS; + y = stdlib_base_dists_beta_cdf( x, alpha, beta ); + printf( "x: %1f, α: %1f, β: %1f, F(x;α,β): %lf\n", x, alpha, beta, y ); + } +} \ No newline at end of file diff --git a/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/include.gypi b/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/include.gypi new file mode 100644 index 000000000000..c6495fc1da3f --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/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': [ + '= 1.0 ) { + return 1.0; + } + return betainc( x, alpha, beta ); +} \ No newline at end of file diff --git a/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/test/test.native.js b/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/test/test.native.js new file mode 100644 index 000000000000..d2ec9a48fbcc --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/test/test.native.js @@ -0,0 +1,231 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2018 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var tape = require( 'tape' ); +var isnan = require( '@stdlib/math/base/assert/is-nan' ); +var tryRequire = require( '@stdlib/utils/try-require' ); +var abs = require( '@stdlib/math/base/special/abs' ); +var PINF = require( '@stdlib/constants/float64/pinf' ); +var NINF = require( '@stdlib/constants/float64/ninf' ); +var EPS = require( '@stdlib/constants/float64/eps' ); + + +// FIXTURES // + +var largeAlpha = require( './fixtures/julia/large_alpha.json' ); +var largeBeta = require( './fixtures/julia/large_beta.json' ); +var bothLarge = require( './fixtures/julia/both_large.json' ); + + +// VARIABLES // + +var cdf = tryRequire( resolve( __dirname, './../lib/native.js' ) ); +var opts = { + 'skip': ( cdf instanceof Error ) +}; + + +// TESTS // + +tape( 'main export is a function', opts, function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof cdf, '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 = cdf( NaN, 0.0, 1.0 ); + t.equal( isnan( y ), true, 'returns NaN' ); + y = cdf( 0.0, NaN, 1.0 ); + t.equal( isnan( y ), true, 'returns NaN' ); + y = cdf( 0.0, 1.0, NaN ); + t.equal( isnan( y ), true, 'returns NaN' ); + t.end(); +}); + +tape( 'if provided a number greater than or equal to one for `x` and a finite `alpha` and `beta`, the function returns `1`', opts, function test( t ) { + var y = cdf( PINF, 0.5, 1.0 ); + t.equal( y, 1.0, 'returns 1' ); + + y = cdf( 100.0, 0.5, 1.0 ); + t.equal( y, 1.0, 'returns 1' ); + + y = cdf( 10.0, 0.5, 1.0 ); + t.equal( y, 1.0, 'returns 1' ); + + y = cdf( 1.0, 0.5, 1.0 ); + t.equal( y, 1.0, 'returns 1' ); + + t.end(); +}); + +tape( 'if provided a number less than or equal to zero for `x` and a finite `alpha` and `beta`, the function returns `0`', opts, function test( t ) { + var y = cdf( NINF, 0.5, 1.0 ); + t.equal( y, 0.0, 'returns 0' ); + + y = cdf( -100.0, 0.5, 1.0 ); + t.equal( y, 0.0, 'returns 0' ); + + y = cdf( -1.0, 0.5, 1.0 ); + t.equal( y, 0.0, 'returns 0' ); + + y = cdf( 0.0, 0.5, 1.0 ); + t.equal( y, 0.0, 'returns 0' ); + + t.end(); +}); + +tape( 'if provided a nonpositive `alpha`, the function returns `NaN`', opts, function test( t ) { + var y; + + y = cdf( 2.0, 0.0, 2.0 ); + t.equal( isnan( y ), true, 'returns NaN' ); + + y = cdf( 2.0, -1.0, 2.0 ); + t.equal( isnan( y ), true, 'returns NaN' ); + + y = cdf( 0.0, -1.0, 2.0 ); + t.equal( isnan( y ), true, 'returns NaN' ); + + y = cdf( 2.0, NINF, 1.0 ); + t.equal( isnan( y ), true, 'returns NaN' ); + + y = cdf( 2.0, NINF, PINF ); + t.equal( isnan( y ), true, 'returns NaN' ); + + y = cdf( 2.0, NINF, NINF ); + t.equal( isnan( y ), true, 'returns NaN' ); + + y = cdf( 2.0, NINF, NaN ); + t.equal( isnan( y ), true, 'returns NaN' ); + + t.end(); +}); + +tape( 'if provided a nonpositive `beta`, the function returns `NaN`', opts, function test( t ) { + var y; + + y = cdf( 2.0, 2.0, 0.0 ); + t.equal( isnan( y ), true, 'returns NaN' ); + + y = cdf( 2.0, 2.0, -1.0 ); + t.equal( isnan( y ), true, 'returns NaN' ); + + y = cdf( 0.0, 2.0, -1/0 ); + t.equal( isnan( y ), true, 'returns NaN' ); + + y = cdf( 2.0, 1.0, NINF ); + t.equal( isnan( y ), true, 'returns NaN' ); + + y = cdf( 2.0, PINF, NINF ); + t.equal( isnan( y ), true, 'returns NaN' ); + + y = cdf( 2.0, NINF, NINF ); + t.equal( isnan( y ), true, 'returns NaN' ); + + y = cdf( 2.0, NaN, NINF ); + t.equal( isnan( y ), true, 'returns NaN' ); + + t.end(); +}); + +tape( 'the function evaluates the cdf for `x` given large `alpha` and `beta`', opts, function test( t ) { + var expected; + var delta; + var alpha; + var beta; + var tol; + var x; + var y; + var i; + + expected = bothLarge.expected; + x = bothLarge.x; + alpha = bothLarge.alpha; + beta = bothLarge.beta; + for ( i = 0; i < x.length; i++ ) { + y = cdf( x[i], alpha[i], beta[i] ); + if ( y === expected[i] ) { + t.equal( y, expected[i], 'x: '+x[i]+', alpha: '+alpha[i]+', beta: '+beta[i]+', y: '+y+', expected: '+expected[i] ); + } else { + delta = abs( y - expected[ i ] ); + tol = 140.0 * EPS * abs( expected[ i ] ); + t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. alpha: '+alpha[i]+'. beta: '+beta[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' ); + } + } + t.end(); +}); + +tape( 'the function evaluates the cdf for `x` given large `alpha`', opts, function test( t ) { + var expected; + var delta; + var alpha; + var beta; + var tol; + var i; + var x; + var y; + + expected = largeAlpha.expected; + x = largeAlpha.x; + alpha = largeAlpha.alpha; + beta = largeAlpha.beta; + for ( i = 0; i < x.length; i++ ) { + y = cdf( x[i], alpha[i], beta[i] ); + if ( y === expected[i] ) { + t.equal( y, expected[i], 'x: '+x[i]+', alpha: '+alpha[i]+', beta: '+beta[i]+', y: '+y+', expected: '+expected[i] ); + } else { + delta = abs( y - expected[ i ] ); + tol = 80.0 * EPS * abs( expected[ i ] ); + t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. alpha: '+alpha[i]+'. beta: '+beta[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' ); + } + } + t.end(); +}); + +tape( 'the function evaluates the cdf for `x` given large `beta`', opts, function test( t ) { + var expected; + var delta; + var alpha; + var beta; + var tol; + var i; + var x; + var y; + + expected = largeBeta.expected; + x = largeBeta.x; + alpha = largeBeta.alpha; + beta = largeBeta.beta; + for ( i = 0; i < x.length; i++ ) { + y = cdf( x[i], alpha[i], beta[i] ); + if ( y === expected[i] ) { + t.equal( y, expected[i], 'x: '+x[i]+', alpha: '+alpha[i]+', beta: '+beta[i]+', y: '+y+', expected: '+expected[i] ); + } else { + delta = abs( y - expected[ i ] ); + tol = 20.0 * EPS * abs( expected[ i ] ); + t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. alpha: '+alpha[i]+'. beta: '+beta[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' ); + } + } + t.end(); +}); From a828e8b0d4a62896b8d941424ac10073fcfa6d97 Mon Sep 17 00:00:00 2001 From: Neerajpathak07 Date: Thu, 16 Jan 2025 22:49:16 +0530 Subject: [PATCH 2/2] chore: clean up --- .../stats/base/dists/beta/cdf/README.md | 41 ++++------------- .../dists/beta/cdf/benchmark/benchmark.js | 22 +++++++-- .../beta/cdf/benchmark/benchmark.native.js | 45 +++++++------------ .../base/dists/beta/cdf/benchmark/c/Makefile | 2 +- .../dists/beta/cdf/benchmark/c/benchmark.c | 35 +++++++++------ .../stats/base/dists/beta/cdf/binding.gyp | 2 +- .../base/dists/beta/cdf/examples/c/Makefile | 2 +- .../base/dists/beta/cdf/examples/c/example.c | 23 ++++++---- .../stats/base/dists/beta/cdf/include.gypi | 2 +- .../stdlib/stats/base/dists/beta/cdf.h | 2 +- .../stats/base/dists/beta/cdf/lib/main.js | 2 +- .../stats/base/dists/beta/cdf/lib/native.js | 2 +- .../stats/base/dists/beta/cdf/manifest.json | 2 +- .../stats/base/dists/beta/cdf/src/Makefile | 2 +- .../stats/base/dists/beta/cdf/src/addon.c | 2 +- .../stats/base/dists/beta/cdf/src/main.c | 6 +-- 16 files changed, 90 insertions(+), 102 deletions(-) diff --git a/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/README.md b/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/README.md index defde5b3ffc4..dc7b44a69a0f 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/README.md +++ b/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/README.md @@ -197,36 +197,6 @@ Evaluates the cumulative distribution function (CDF) for an beta distribution. ```c double y = stdlib_base_dists_beta_cdf( 0.5, 1.0, 1.0 ); // returns ~0.5 - -y = stdlib_base_dists_beta_cdf( 0.5, 2.0, 4.0 ); -// returns ~0.813 - -y = stdlib_base_dists_beta_cdf( 0.2, 2.0, 2.0 ); -// returns ~0.104 - -y = stdlib_base_dists_beta_cdf( 0.8, 4.0, 4.0 ); -// returns ~0.967 - -y = stdlib_base_dists_beta_cdf( -0.5, 4.0, 2.0 ); -// returns ~0.0 - -y = stdlib_base_dists_beta_cdf( 1.5, 4.0, 2.0 ); -// returns ~1.0 - -y = stdlib_base_dists_beta_cdf( 2.0, -1.0, 0.5 ); -// returns NaN - -y = stdlib_base_dists_beta_cdf( 2.0, 0.5, -1.0 ); -// returns NaN - -y = stdlib_base_dists_beta_cdf( NaN, 1.0, 1.0 ); -// returns NaN - -y = stdlib_base_dists_beta_cdf( 0.0, NaN, 1.0 ); -// returns NaN - -y = stdlib_base_dists_beta_cdf( 0.0, 1.0, NaN ); -// returns NaN ``` The function accepts the following arguments: @@ -263,6 +233,11 @@ double stdlib_base_dists_bernoulli_cdf( const double x, const double alpha, cons #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 p; double alpha; @@ -272,9 +247,9 @@ int main( void ) { int i; for ( i = 0; i < 10; i++ ) { - x = ( (double)rand() / (double)RAND_MAX ); - alpha = ( ( (double)rand() / (double)RAND_MAX )*5.0 ) + STDLIB_CONSTANT_FLOAT64_EPS; - beta = ( ( (double)rand() / (double)RAND_MAX )*5.0 ) + STDLIB_CONSTANT_FLOAT64_EPS; + x = random_uniform( 0.0, 1.0 ); + alpha = random_uniform( STDLIB_CONSTANT_FLOAT64_EPS, 5.0 ); + beta = random_uniform( STDLIB_CONSTANT_FLOAT64_EPS, 5.0 ); y = stdlib_base_dists_beta_cdf( x, alpha, beta ); printf( "x: %1f, α: %1f, β: %1f, F(x;α,β): %lf\n", x, alpha, beta, y ); } diff --git a/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/benchmark/benchmark.js index 88d1c55bf329..64e36cfddc4d 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/benchmark/benchmark.js +++ b/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/benchmark/benchmark.js @@ -22,6 +22,8 @@ var bench = require( '@stdlib/bench' ); 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 EPS = require( '@stdlib/constants/float64/eps' ); var pkg = require( './../package.json' ).name; @@ -31,18 +33,30 @@ var cdf = require( './../lib' ); // MAIN // bench( pkg, function benchmark( b ) { + var len; var alpha; var beta; var x; var y; var i; + len = 100; + x = new Float64Array( len ); + for ( i = 0; i < len; i++ ) { + x[ i ] = uniform( EPS, 3.0 ); + } + alpha = new Float64Array( len ); + for ( i = 0; i < len; i++ ) { + alpha[ i ] = uniform( EPS, 3.0 ); + } + beta = new Float64Array( len ); + for ( i = 0; i < len; i++ ) { + beta[ i ] = uniform( EPS, 3.0 ); + } + b.tic(); for ( i = 0; i < b.iterations; i++ ) { - x = ( randu()*2.0 ) + EPS; - alpha = ( randu()*100.0 ) + EPS; - beta = ( randu()*100.0 ) + EPS; - y = cdf( x, alpha, beta ); + y = cdf( x[ i%100 ], alpha[ i%100 ], beta[ i%100 ] ); if ( isnan( y ) ) { b.fail( 'should not return NaN' ); } diff --git a/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/benchmark/benchmark.native.js index 15c530c30673..34c4d432d108 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/benchmark/benchmark.native.js +++ b/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/benchmark/benchmark.native.js @@ -22,7 +22,8 @@ var resolve = require( 'path' ).resolve; var bench = require( '@stdlib/bench' ); -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 tryRequire = require( '@stdlib/utils/try-require' ); var EPS = require( '@stdlib/constants/float64/eps' ); @@ -40,46 +41,30 @@ var opts = { // MAIN // bench( pkg+'::native', opts, function benchmark( b ) { + var len; var alpha; var beta; var x; var y; var i; - b.tic(); - for ( i = 0; i < b.iterations; i++ ) { - x = ( randu()*2.0 ) + EPS; - alpha = ( randu()*100.0 ) + EPS; - beta = ( randu()*100.0 ) + EPS; - y = cdf( x, alpha, beta ); - if ( isnan( y ) ) { - b.fail( 'should not return NaN' ); - } + len = 100; + x = new Float64Array( len ); + for ( i = 0; i < len; i++ ) { + x[ i ] = uniform( EPS, 3.0 ); } - b.toc(); - if ( isnan( y ) ) { - b.fail( 'should not return NaN' ); + alpha = new Float64Array( len ); + for ( i = 0; i < len; i++ ) { + alpha[ i ] = uniform( EPS, 3.0 ); + } + beta = new Float64Array( len ); + for ( i = 0; i < len; i++ ) { + beta[ i ] = uniform( EPS, 3.0 ); } - b.pass( 'benchmark finished' ); - b.end(); -}); - -bench( pkg+':factory', opts, function benchmark( b ) { - var mycdf; - var alpha; - var beta; - var x; - var y; - var i; - - alpha = 100.56789; - beta = 55.54321; - mycdf = cdf.factory( alpha, beta ); b.tic(); for ( i = 0; i < b.iterations; i++ ) { - x = ( randu()*2.0 ) + EPS; - y = mycdf( x ); + y = cdf( x[ i%100 ], alpha[ i%100 ], beta[ i%100 ] ); if ( isnan( y ) ) { b.fail( 'should not return NaN' ); } diff --git a/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/benchmark/c/Makefile b/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/benchmark/c/Makefile index 0ebf4545e1a9..f69e9da2b4d3 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/benchmark/c/Makefile +++ b/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/benchmark/c/Makefile @@ -143,4 +143,4 @@ run: $(c_targets) clean: $(QUIET) -rm -f *.o *.out -.PHONY: clean \ No newline at end of file +.PHONY: clean diff --git a/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/benchmark/c/benchmark.c b/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/benchmark/c/benchmark.c index 6852f1e7ccbf..e4a16a524697 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/benchmark/c/benchmark.c +++ b/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/benchmark/c/benchmark.c @@ -76,13 +76,15 @@ static double tic( void ) { } /** -* Generates a random number on the interval [0,1). +* Generates a random number on the interval [min,max). * -* @return random number +* @param min minimum value (inclusive) +* @param max maximum value (exclusive) +* @return random number */ -static double rand_double( void ) { - int r = rand(); - return (double)r / ( (double)RAND_MAX + 1.0 ); +static double random_uniform( const double min, const double max ) { + double v = (double)rand() / ( (double)RAND_MAX + 1.0 ); + return min + ( v*(max-min) ); } /** @@ -92,19 +94,26 @@ static double rand_double( void ) { */ static double benchmark( void ) { double elapsed; - double alpha; - double beta; - double x; + double alpha[ 100 ]; + double beta[ 100 ]; + double x[ 100 ]; double y; double t; int i; + for ( i = 0; i < 100; i++ ) { + x[ i ] = random_uniform( STDLIB_CONSTANT_FLOAT64_EPS, 2.0 ); + } + for ( i = 0; i < 100; i++ ) { + alpha[ i ] = random_uniform( STDLIB_CONSTANT_FLOAT64_EPS, 100.0 ); + } + for ( i = 0; i < 100; i++ ) { + beta[ i ] = random_uniform( STDLIB_CONSTANT_FLOAT64_EPS, 100.0 ); + } + t = tic(); for ( i = 0; i < ITERATIONS; i++ ) { - x = ( ( (double)rand() / (double)RAND_MAX )*3.0 ) + STDLIB_CONSTANT_FLOAT64_EPS; - alpha = ( ( (double)rand() / (double)RAND_MAX )*100.0 ) + STDLIB_CONSTANT_FLOAT64_EPS; - beta = ( ( (double)rand() / (double)RAND_MAX )*100.0 ) + STDLIB_CONSTANT_FLOAT64_EPS; - y = stdlib_base_dists_beta_cdf( x, alpha, beta ); + y = stdlib_base_dists_beta_cdf( x[ i%100 ], alpha[ i%100 ], beta[ i%100 ] ); if ( y != y ) { printf( "should not return NaN\n" ); break; @@ -135,4 +144,4 @@ int main( void ) { printf( "ok %d benchmark finished\n", i+1 ); } print_summary( REPEATS, REPEATS ); -} \ No newline at end of file +} diff --git a/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/binding.gyp b/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/binding.gyp index 507cb00291e7..ec3992233442 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/binding.gyp +++ b/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/binding.gyp @@ -167,4 +167,4 @@ ], # end actions }, # end target copy_addon ], # end targets -} \ No newline at end of file +} diff --git a/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/examples/c/Makefile b/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/examples/c/Makefile index d53ef397c77d..6aed70daf167 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/examples/c/Makefile +++ b/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/examples/c/Makefile @@ -143,4 +143,4 @@ run: $(c_targets) clean: $(QUIET) -rm -f *.o *.out -.PHONY: clean \ No newline at end of file +.PHONY: clean diff --git a/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/examples/c/example.c b/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/examples/c/example.c index 38f7b4628072..0c0aa784ef7c 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/examples/c/example.c +++ b/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/examples/c/example.c @@ -21,19 +21,24 @@ #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 p; - double alpha; - double beta; - double x; + double alpha; + double beta; + double x; double y; int i; for ( i = 0; i < 10; i++ ) { - x = ( (double)rand() / (double)RAND_MAX ); - alpha = ( ( (double)rand() / (double)RAND_MAX )*5.0 ) + STDLIB_CONSTANT_FLOAT64_EPS; - beta = ( ( (double)rand() / (double)RAND_MAX )*5.0 ) + STDLIB_CONSTANT_FLOAT64_EPS; - y = stdlib_base_dists_beta_cdf( x, alpha, beta ); - printf( "x: %1f, α: %1f, β: %1f, F(x;α,β): %lf\n", x, alpha, beta, y ); + x = random_uniform( 0.0, 1.0 ); + alpha = random_uniform( STDLIB_CONSTANT_FLOAT64_EPS, 5.0 ); + beta = random_uniform( STDLIB_CONSTANT_FLOAT64_EPS, 5.0 ); + y = stdlib_base_dists_beta_cdf( x, alpha, beta ); + printf( "x: %1f, α: %1f, β: %1f, F(x;α,β): %lf\n", x, alpha, beta, y ); } -} \ No newline at end of file +} diff --git a/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/include.gypi b/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/include.gypi index c6495fc1da3f..575cb043c0bf 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/include.gypi +++ b/lib/node_modules/@stdlib/stats/base/dists/beta/cdf/include.gypi @@ -50,4 +50,4 @@ '= 1.0 ) { return 1.0; } - return betainc( x, alpha, beta ); -} \ No newline at end of file + return stdlib_base_betainc( x, alpha, beta ); +}