/** * @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 isInteger = require( './../../is-integer' ).isPrimitive; var isEven = require( './../../is-even' ).isPrimitive; // MAIN // /** * Tests if a value is a number primitive that is an odd number. * * @param {*} value - value to test * @returns {boolean} boolean indicating if a value is a number primitive that is an odd number * * @example * var bool = isOdd( -5.0 ); * // returns true * * @example * var bool = isOdd( new Number( -5.0 ) ); * // returns false */ function isOdd( value ) { if ( !isInteger( value ) ) { return false; } // Check sign to prevent overflow... if ( value > 0.0 ) { return isEven( value-1.0 ); } return isEven( value+1.0 ); } // EXPORTS // module.exports = isOdd;