time-to-botec

Benchmark sampling in different programming languages
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main.js (1290B)

      1 /**
      2 * @license Apache-2.0
      3 *
      4 * Copyright (c) 2020 The Stdlib Authors.
      5 *
      6 * Licensed under the Apache License, Version 2.0 (the "License");
      7 * you may not use this file except in compliance with the License.
      8 * You may obtain a copy of the License at
      9 *
     10 *    http://www.apache.org/licenses/LICENSE-2.0
     11 *
     12 * Unless required by applicable law or agreed to in writing, software
     13 * distributed under the License is distributed on an "AS IS" BASIS,
     14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     15 * See the License for the specific language governing permissions and
     16 * limitations under the License.
     17 */
     18 
     19 'use strict';
     20 
     21 // MODULES //
     22 
     23 var float64ToFloat32 = require( '@stdlib/number/float64/base/to-float32' );
     24 
     25 
     26 // MAIN //
     27 
     28 /**
     29 * Computes the multiplicative inverse of a single-precision floating-point number `x`.
     30 *
     31 * @param {number} x - input value
     32 * @returns {number} multiplicative inverse
     33 *
     34 * @example
     35 * var v = invf( -1.0 );
     36 * // returns -1.0
     37 *
     38 * @example
     39 * var v = invf( 2.0 );
     40 * // returns 0.5
     41 *
     42 * @example
     43 * var v = invf( 0.0 );
     44 * // returns Infinity
     45 *
     46 * @example
     47 * var v = invf( -0.0 );
     48 * // returns -Infinity
     49 *
     50 * @example
     51 * var v = invf( NaN );
     52 * // returns NaN
     53 */
     54 function invf( x ) {
     55 	return float64ToFloat32( 1.0 / x );
     56 }
     57 
     58 
     59 // EXPORTS //
     60 
     61 module.exports = invf;