From 3d7b4939e7a6fdefb8d369b298140da274c69142 Mon Sep 17 00:00:00 2001 From: Aadish Jain Date: Mon, 16 Dec 2024 04:54:13 +0000 Subject: [PATCH 1/4] feat(t-pdf): adding all the functionality required by t pdf --- .../@stdlib/stats/base/dists/t/pdf/README.md | 95 +++++++++ .../base/dists/t/pdf/benchmark/benchmark.js | 28 ++- .../dists/t/pdf/benchmark/benchmark.native.js | 70 +++++++ .../base/dists/t/pdf/benchmark/c/Makefile | 146 ++++++++++++++ .../base/dists/t/pdf/benchmark/c/benchmark.c | 140 +++++++++++++ .../stats/base/dists/t/pdf/binding.gyp | 170 ++++++++++++++++ .../base/dists/t/pdf/examples/c/Makefile | 146 ++++++++++++++ .../base/dists/t/pdf/examples/c/example.c | 40 ++++ .../stats/base/dists/t/pdf/include.gypi | 53 +++++ .../include/stdlib/stats/base/dists/t/pdf.h | 38 ++++ .../stats/base/dists/t/pdf/lib/native.js | 67 +++++++ .../stats/base/dists/t/pdf/manifest.json | 85 ++++++++ .../stats/base/dists/t/pdf/package.json | 3 + .../stats/base/dists/t/pdf/src/Makefile | 70 +++++++ .../stats/base/dists/t/pdf/src/addon.c | 23 +++ .../@stdlib/stats/base/dists/t/pdf/src/main.c | 45 +++++ .../base/dists/t/pdf/test/test.native.js | 188 ++++++++++++++++++ 17 files changed, 1397 insertions(+), 10 deletions(-) create mode 100644 lib/node_modules/@stdlib/stats/base/dists/t/pdf/benchmark/benchmark.native.js create mode 100644 lib/node_modules/@stdlib/stats/base/dists/t/pdf/benchmark/c/Makefile create mode 100644 lib/node_modules/@stdlib/stats/base/dists/t/pdf/benchmark/c/benchmark.c create mode 100644 lib/node_modules/@stdlib/stats/base/dists/t/pdf/binding.gyp create mode 100644 lib/node_modules/@stdlib/stats/base/dists/t/pdf/examples/c/Makefile create mode 100644 lib/node_modules/@stdlib/stats/base/dists/t/pdf/examples/c/example.c create mode 100644 lib/node_modules/@stdlib/stats/base/dists/t/pdf/include.gypi create mode 100644 lib/node_modules/@stdlib/stats/base/dists/t/pdf/include/stdlib/stats/base/dists/t/pdf.h create mode 100644 lib/node_modules/@stdlib/stats/base/dists/t/pdf/lib/native.js create mode 100644 lib/node_modules/@stdlib/stats/base/dists/t/pdf/manifest.json create mode 100644 lib/node_modules/@stdlib/stats/base/dists/t/pdf/src/Makefile create mode 100644 lib/node_modules/@stdlib/stats/base/dists/t/pdf/src/addon.c create mode 100644 lib/node_modules/@stdlib/stats/base/dists/t/pdf/src/main.c create mode 100644 lib/node_modules/@stdlib/stats/base/dists/t/pdf/test/test.native.js diff --git a/lib/node_modules/@stdlib/stats/base/dists/t/pdf/README.md b/lib/node_modules/@stdlib/stats/base/dists/t/pdf/README.md index 11934002a59d..66129a6ea87b 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/t/pdf/README.md +++ b/lib/node_modules/@stdlib/stats/base/dists/t/pdf/README.md @@ -132,6 +132,101 @@ for ( i = 0; i < 10; i++ ) { + + +* * * + +
+ +## C APIs + + + +
+ +
+ + + + + +
+ +### Usage + +```c +#include "stdlib/stats/base/dists/t/pdf.h" +``` + +#### stdlib_base_dists_t_pdf( x, v ) + +Evaluates the [probability density function][pdf] (PDF) for a [Student's t][t-distribution] distribution with degrees of freedom `v`. + +```c +double out = stdlib_base_dists_t_pdf( 0.5, 2.0 ); +// returns ~0.352 +``` + +The function accepts the following arguments: + +- **x**: `[in] double` input value. +- **v**: `[in] double` degree of freedom. + +```c +double stdlib_base_dists_t_pdf( const double x, const double v ); +``` + +
+ + + + + +
+ +
+ + + + + +
+ +### Examples + +```c +#include "stdlib/stats/base/dists/t/pdf.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 v; + double y; + int i; + + for ( i = 0; i < 25; i++ ) { + x = random_uniform( -10.0, 10.0 ); + v = random_uniform( 0.1, 10.0 ); + y = stdlib_base_dists_t_pdf( x, v ); + printf( "x: %lf, v: %lf, f(x;v): %lf\n", x, v, y ); + } +} +``` + +
+ + + +
+ + +