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feat(add C implementation): add stats/base/dists/arcsine/cdf
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‎lib/node_modules/@stdlib/stats/base/dists/arcsine/cdf/include/stdlib/stats/base/dists/arcsine/cdf.h‎

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/**
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* @license Apache-2.0
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*
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* Copyright (c) 2024 The Stdlib Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef STDLIB_STATS_BASE_DISTS_ARCSINE_CDF_H
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#define STDLIB_STATS_BASE_DISTS_ARCSINE_CDF_H
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/*
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* If C++, prevent name mangling so that the compiler emits a binary file having undecorated names, thus mirroring the behavior of a C compiler.
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* Evaluates the cumulative distribution function (CDF) for an arcsine distribution with minimum support `a` and maximum support `b` at a value `x`.
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*/
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double stdlib_base_dists_arcsine_cdf( const double a, const double b );
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#ifdef __cplusplus
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}
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#endif
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#endif // !STDLIB_STATS_BASE_DISTS_ARCSINE_CDF_H

‎lib/node_modules/@stdlib/stats/base/dists/arcsine/cdf/lib/native.js‎

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/**
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* @license Apache-2.0
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*
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* Copyright (c) 2024 The Stdlib Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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'use strict';
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// MODULES //
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var addon = require( './../src/addon.node' );
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// MAIN //
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/**
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* Evaluates the cumulative distribution function (CDF) for an arcsine distribution with minimum support `a` and maximum support `b` at a value `x`.
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*
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* @param {number} x - input value
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* @param {number} a - minimum support
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* @param {number} b - maximum support
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* @returns {Probability} evaluated CDF
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*
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* @example
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* var y = cdf( 9.0, 0.0, 10.0 );
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* // returns ~0.795
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*
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* @example
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* var y = cdf( 0.5, 0.0, 2.0 );
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* // returns ~0.333
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*
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* @example
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* var y = cdf( +Infinity, 2.0, 4.0 );
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* // returns 1.0
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*
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* @example
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* var y = cdf( -Infinity, 2.0, 4.0 );
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* // returns 0.0
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*
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* @example
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* var y = cdf( NaN, 0.0, 1.0 );
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* // returns NaN
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*
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* @example
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* var y = cdf( 0.0, NaN, 1.0 );
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* // returns NaN
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*
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* @example
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* var y = cdf( 0.0, 0.0, NaN );
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* // returns NaN
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*/
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function cdf( x, a, b ) {
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return addon( x, a, b );
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}
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// EXPORTS //
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module.exports = cdf;

‎lib/node_modules/@stdlib/stats/base/dists/arcsine/cdf/manifest.json‎

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{
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"options": {
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"task": "build",
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"wasm": false
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},
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"fields": [
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{
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"field": "src",
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"resolve": true,
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"relative": true
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},
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{
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"field": "include",
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"resolve": true,
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"relative": true
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},
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{
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"field": "libraries",
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"resolve": false,
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"relative": false
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},
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{
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"field": "libpath",
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"resolve": true,
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"relative": false
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}
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],
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"confs": [
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{
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"task": "build",
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"wasm": false,
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"src": [
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"./src/main.c"
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],
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"include": [
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"./include"
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],
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"libraries": [],
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"libpath": [],
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"dependencies": [
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"@stdlib/math/base/napi/ternary",
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"@stdlib/math/base/assert/is-nan",
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"@stdlib/math/base/special/ln",
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"@stdlib/constants/float64/ln-pi",
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"@stdlib/constants/float64/ln-two",
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"@stdlib/constants/float64/ninf",
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"@stdlib/math/base/special/asin",
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"@stdlib/math/base/special/sqrt"
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]
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},
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{
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"task": "benchmark",
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"wasm": false,
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"src": [
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"./src/main.c"
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],
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"include": [
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"./include"
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],
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"libraries": [],
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"libpath": [],
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"dependencies": [
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"@stdlib/math/base/assert/is-nan",
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"@stdlib/math/base/special/ln",
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"@stdlib/constants/float64/ln-pi",
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"@stdlib/constants/float64/ln-two",
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"@stdlib/constants/float64/ninf",
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"@stdlib/math/base/special/asin",
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"@stdlib/math/base/special/sqrt"
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]
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},
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{
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"task": "examples",
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"wasm": false,
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"src": [
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"./src/main.c"
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],
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"include": [
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"./include"
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],
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"libraries": [],
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"libpath": [],
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"dependencies": [
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"@stdlib/math/base/assert/is-nan",
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"@stdlib/math/base/special/ln",
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"@stdlib/constants/float64/ln-pi",
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"@stdlib/constants/float64/ln-two",
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"@stdlib/constants/float64/ninf",
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"@stdlib/math/base/special/asin",
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"@stdlib/math/base/special/sqrt"
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]
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}
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]
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}

‎lib/node_modules/@stdlib/stats/base/dists/arcsine/cdf/package.json‎

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}
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],
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"main": "./lib",
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"gypfile": true,
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"directories": {
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"benchmark": "./benchmark",
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"doc": "./docs",
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"example": "./examples",
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"include": "./include",
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"lib": "./lib",
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"src": "./src",
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"test": "./test"
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},
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"types": "./docs/types",

‎lib/node_modules/@stdlib/stats/base/dists/arcsine/cdf/src/Makefile‎

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#/
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# @license Apache-2.0
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#
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# Copyright (c) 2024 The Stdlib Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#/
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# VARIABLES #
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ifndef VERBOSE
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QUIET := @
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else
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QUIET :=
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endif
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# Determine the OS ([1][1], [2][2]).
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#
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# [1]: https://en.wikipedia.org/wiki/Uname#Examples
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# [2]: http://stackoverflow.com/a/27776822/2225624
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OS ?= $(shell uname)
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ifneq (, $(findstring MINGW,$(OS)))
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OS := WINNT
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else
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ifneq (, $(findstring MSYS,$(OS)))
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OS := WINNT
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else
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ifneq (, $(findstring CYGWIN,$(OS)))
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OS := WINNT
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else
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ifneq (, $(findstring Windows_NT,$(OS)))
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OS := WINNT
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endif
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endif
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endif
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endif
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# RULES #
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#/
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# Removes generated files for building an add-on.
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#
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# @example
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# make clean-addon
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#/
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clean-addon:
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$(QUIET) -rm -f *.o *.node
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.PHONY: clean-addon
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#/
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# Removes generated files.
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#
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# @example
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# make clean
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#/
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clean: clean-addon
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.PHONY: clean

‎lib/node_modules/@stdlib/stats/base/dists/arcsine/cdf/src/addon.c‎

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/**
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* @license Apache-2.0
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*
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* Copyright (c) 2024 The Stdlib Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "stdlib/stats/base/dists/arcsine/cdf.h"
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#include "stdlib/math/base/napi/ternary.h"
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// cppcheck-suppress shadowFunction
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STDLIB_MATH_BASE_NAPI_MODULE_DDD_D( stdlib_base_dists_arcsine_cdf )

‎lib/node_modules/@stdlib/stats/base/dists/arcsine/cdf/src/main.c‎

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/**
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* @license Apache-2.0
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*
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* Copyright (c) 2024 The Stdlib Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "stdlib/stats/base/dists/arcsine/cdf.h"
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#include "stdlib/math/base/assert/is_nan.h"
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#include "stdlib/math/base/special/ln.h"
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#include "stdlib/constants/float64/pi.h"
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#include "stdlib/constants/float64/ln_two.h"
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#include "stdlib/constants/float64/ninf.h"
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#include "stdlib/math/base/special/asin.h"
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#include "stdlib/math/base/special/sqrt.h"
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/**
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* Evaluates the cumulative distribution function (CDF) for an arcsine distribution with minimum support `a` and maximum support `b` at a value `x`.
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*
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* @param {number} x - input value
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* @param {number} a - minimum support
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* @param {number} b - maximum support
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* @returns {Probability} evaluated CDF
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*
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* @example
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* double y = stdlib_base_arcsine_kurtosis( 0.0, 1.0 );
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* // returns 1.5
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*/
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double stdlib_base_dists_arcsine_cdf( const double x, const double a, const double b ) {
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double TWO_OVER_PI = 2.0 / STDLIB_CONSTANT_FLOAT64_PI;
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if (
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stdlib_base_is_nan( x ) ||
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stdlib_base_is_nan( a ) ||
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stdlib_base_is_nan( b ) ||
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a >= b
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) {
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return 0.0/0.0;
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}
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if ( x < a ) {
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return 0.0;
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}
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if ( x >= b ) {
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return 1.0;
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}
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return TWO_OVER_PI * stdlib_base_asin( stdlib_base_sqrt( ( x-a ) / ( b-a ) ) );
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}

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