From 3fa721d4c0d3f16fd625a5aaa6a8dcf4a9875c4a Mon Sep 17 00:00:00 2001 From: Divyansh Seth Date: Mon, 16 Dec 2024 20:10:03 +0530 Subject: [PATCH 1/7] feat: add C implementation for stats/base/dists/uniform/cdf --- .../stats/base/dists/uniform/cdf/README.md | 98 ++++++++++ .../dists/uniform/cdf/benchmark/benchmark.js | 22 ++- .../uniform/cdf/benchmark/benchmark.native.js | 73 ++++++++ .../dists/uniform/cdf/benchmark/c/Makefile | 146 +++++++++++++++ .../dists/uniform/cdf/benchmark/c/benchmark.c | 142 ++++++++++++++ .../stats/base/dists/uniform/cdf/binding.gyp | 170 +++++++++++++++++ .../dists/uniform/cdf/examples/c/Makefile | 146 +++++++++++++++ .../dists/uniform/cdf/examples/c/example.c | 42 +++++ .../stats/base/dists/uniform/cdf/include.gypi | 53 ++++++ .../stdlib/stats/base/dists/uniform/cdf.h | 38 ++++ .../base/dists/uniform/cdf/lib/native.js | 75 ++++++++ .../base/dists/uniform/cdf/manifest.json | 85 +++++++++ .../stats/base/dists/uniform/cdf/package.json | 3 + .../stats/base/dists/uniform/cdf/src/Makefile | 70 +++++++ .../stats/base/dists/uniform/cdf/src/addon.c | 23 +++ .../stats/base/dists/uniform/cdf/src/main.c | 78 ++++++++ .../dists/uniform/cdf/test/test.native.js | 175 ++++++++++++++++++ 17 files changed, 1433 insertions(+), 6 deletions(-) create mode 100644 lib/node_modules/@stdlib/stats/base/dists/uniform/cdf/benchmark/benchmark.native.js create mode 100644 lib/node_modules/@stdlib/stats/base/dists/uniform/cdf/benchmark/c/Makefile create mode 100644 lib/node_modules/@stdlib/stats/base/dists/uniform/cdf/benchmark/c/benchmark.c create mode 100644 lib/node_modules/@stdlib/stats/base/dists/uniform/cdf/binding.gyp create mode 100644 lib/node_modules/@stdlib/stats/base/dists/uniform/cdf/examples/c/Makefile create mode 100644 lib/node_modules/@stdlib/stats/base/dists/uniform/cdf/examples/c/example.c create mode 100644 lib/node_modules/@stdlib/stats/base/dists/uniform/cdf/include.gypi create mode 100644 lib/node_modules/@stdlib/stats/base/dists/uniform/cdf/include/stdlib/stats/base/dists/uniform/cdf.h create mode 100644 lib/node_modules/@stdlib/stats/base/dists/uniform/cdf/lib/native.js create mode 100644 lib/node_modules/@stdlib/stats/base/dists/uniform/cdf/manifest.json create mode 100644 lib/node_modules/@stdlib/stats/base/dists/uniform/cdf/src/Makefile create mode 100644 lib/node_modules/@stdlib/stats/base/dists/uniform/cdf/src/addon.c create mode 100644 lib/node_modules/@stdlib/stats/base/dists/uniform/cdf/src/main.c create mode 100644 lib/node_modules/@stdlib/stats/base/dists/uniform/cdf/test/test.native.js diff --git a/lib/node_modules/@stdlib/stats/base/dists/uniform/cdf/README.md b/lib/node_modules/@stdlib/stats/base/dists/uniform/cdf/README.md index 62334f5c3761..331ca440a543 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/uniform/cdf/README.md +++ b/lib/node_modules/@stdlib/stats/base/dists/uniform/cdf/README.md @@ -137,6 +137,104 @@ for ( i = 0; i < 25; i++ ) { + + +* * * + +
+ +## C APIs + + + +
+ +
+ + + + + +
+ +### Usage + +```c +#include "stdlib/stats/base/dists/uniform/cdf.h" +``` + +#### stdlib_base_dists_uniform_cdf( x, a, b ) + +Evaluates the cumulative distribution function (CDF) for an uniform distribution. + +```c +double out = stdlib_base_dists_uniform_cdf( 9.0, 0.0, 10.0 ); +// returns 0.9 +``` + +The function accepts the following arguments: + +- **x**: `[in] double` input value. +- **a**: `[in] double` minimum support. +- **b**: `[in] double` maximum support. + +```c +double stdlib_base_dists_uniform_cdf( const double x, const double a, const double b ); +``` + +
+ + + + + +
+ +
+ + + + + +
+ +### Examples + +```c +#include "stdlib/stats/base/dists/uniform/cdf.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 x; + double a; + double b; + double y; + int i; + + for ( i = 0; i < 25; i++ ) { + x = random_uniform( -10.0, 10.0 ); + a = random_uniform( -20.0, 0.0 ); + b = random_uniform( a, a+40.0 ); + y = stdlib_base_dists_uniform_cdf( x, a, b ); + printf( "x: %lf, a: %lf, b: %lf, F(x;a,b): %lf\n", x, a, b, y ); + } +} +``` + +
+ + + +
+ + +