time-to-botec

Benchmark sampling in different programming languages
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main.js (1119B)

      1 /**
      2 * @license Apache-2.0
      3 *
      4 * Copyright (c) 2018 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 // VARIABLES //
     22 
     23 // π / 180.0
     24 var PI_DIV_180 = 1.7453292519943295e-2;
     25 
     26 
     27 // MAIN //
     28 
     29 /**
     30 * Converts an angle from degrees to radians.
     31 *
     32 * @param {number} x - angle in degrees
     33 * @returns {number} angle in radians
     34 *
     35 * @example
     36 * var r = deg2rad( 90.0 );
     37 * // returns ~1.571
     38 *
     39 * @example
     40 * var r = deg2rad( -45.0 );
     41 * // returns ~-0.785
     42 *
     43 * @example
     44 * var r = deg2rad( NaN );
     45 * // returns NaN
     46 */
     47 function deg2rad( x ) {
     48 	return x * PI_DIV_180;
     49 }
     50 
     51 
     52 // EXPORTS //
     53 
     54 module.exports = deg2rad;