UNPKG

@stdlib/math-base-assert-is-nonpositive-integer

Version:

Test if a finite double-precision floating-point number is a nonpositive integer.

52 lines (42 loc) 1.25 kB
/** * @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 Boolean = require( '@stdlib/boolean-ctor' ); var addon = require( './../src/addon.node' ); // MAIN // /** * Tests if a finite double-precision floating-point number is a nonpositive integer. * * @private * @param {number} x - value to test * @returns {boolean} boolean indicating whether the number is nonpositive integer * * @example * var bool = isNonPositiveInteger( -2.0 ); * // returns true * * @example * var bool = isNonPositiveInteger( 5.0 ); * // returns false */ function isNonPositiveInteger( x ) { return Boolean( addon( x ) ); } // EXPORTS // module.exports = isNonPositiveInteger;