/** * @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'; /** * Single-precision floating-point negative infinity. * * @module @stdlib/constants/float32/ninf * @type {number} * * @example * var FLOAT32_NINF = require( '@stdlib/constants/float32/ninf' ); * // returns -infinity */ // MODULES // var Float32Array = require( '@stdlib/array/float32' ); var Uint32Array = require( '@stdlib/array/uint32' ); // VARIABLES // var FLOAT32_VIEW = new Float32Array( 1 ); var UINT32_VIEW = new Uint32Array( FLOAT32_VIEW.buffer ); var v; // MAIN // /** * Single-precision floating-point negative infinity. * * ## Notes * * Single-precision floating-point negative infinity has the bit sequence * * ```binarystring * 1 11111111 00000000000000000000000 * ``` * * This bit sequence corresponds to the unsigned 32-bit integer `4286578688` and to the HEX value `0xff800000`. * * @constant * @type {number} * @default 0xff800000 * @see [IEEE 754]{@link https://en.wikipedia.org/wiki/IEEE_754-1985} */ var FLOAT32_NINF = 0xff800000; // Set the ArrayBuffer bit sequence: UINT32_VIEW[ 0 ] = FLOAT32_NINF; v = FLOAT32_VIEW[ 0 ]; // EXPORTS // module.exports = v;