time-to-botec

Benchmark sampling in different programming languages
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sum.js (1047B)

      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 /**
     22 * Computes the sum of elements of an numeric array.
     23 *
     24 * @private
     25 * @param {NumericArray} arr - input array
     26 * @returns {number} sum
     27 *
     28 * @example
     29 * var arr = [ 2.0, 6.0, 10.0 ];
     30 * var out = sum( arr );
     31 * // returns 18.0
     32 */
     33 function sum( arr ) {
     34 	var len;
     35 	var out;
     36 	var i;
     37 
     38 	len = arr.length;
     39 	out = 0.0;
     40 	for ( i = 0; i < len; i++ ) {
     41 		out += arr[ i ];
     42 	}
     43 	return out;
     44 }
     45 
     46 
     47 // EXPORTS //
     48 
     49 module.exports = sum;