evalpoly.js (1812B)
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 /* 20 * This script compiles modules for evaluating polynomial functions. If any polynomial coefficients change, this script should be rerun to update the compiled files. 21 */ 22 'use strict'; 23 24 // MODULES // 25 26 var resolve = require( 'path' ).resolve; 27 var writeFileSync = require( '@stdlib/fs/write-file' ).sync; 28 var licenseHeader = require( '@stdlib/_tools/licenses/header' ); 29 var compile = require( './../../../../base/tools/evalpoly-compile' ); 30 31 32 // VARIABLES // 33 34 // Polynomial coefficients ordered in ascending degree... 35 var S = [ 36 8.33333333333482257126e-02, 37 3.47222221605458667310e-03, 38 -2.68132617805781232825e-03, 39 -2.29549961613378126380e-04, 40 7.87311395793093628397e-04 41 ]; 42 43 // Header to add to output files: 44 var header = licenseHeader( 'Apache-2.0', 'js', { 45 'year': ( new Date() ).getFullYear(), 46 'copyright': 'The Stdlib Authors' 47 }); 48 header += '\n/* This is a generated file. Do not edit directly. */\n'; 49 50 51 // MAIN // 52 53 /** 54 * Main execution sequence. 55 * 56 * @private 57 */ 58 function main() { 59 var fpath; 60 var opts; 61 var str; 62 63 opts = { 64 'encoding': 'utf8' 65 }; 66 67 fpath = resolve( __dirname, '..', 'lib', 'polyval_s.js' ); 68 str = header + compile( S ); 69 writeFileSync( fpath, str, opts ); 70 } 71 72 main();