diff options
Diffstat (limited to 'node_modules/locutus/php/math/fmod.js')
-rw-r--r-- | node_modules/locutus/php/math/fmod.js | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/node_modules/locutus/php/math/fmod.js b/node_modules/locutus/php/math/fmod.js new file mode 100644 index 0000000..a08a963 --- /dev/null +++ b/node_modules/locutus/php/math/fmod.js @@ -0,0 +1,39 @@ +'use strict'; + +module.exports = function fmod(x, y) { + // discuss at: http://locutus.io/php/fmod/ + // original by: Onno Marsman (https://twitter.com/onnomarsman) + // input by: Brett Zamir (http://brett-zamir.me) + // bugfixed by: Kevin van Zonneveld (http://kvz.io) + // example 1: fmod(5.7, 1.3) + // returns 1: 0.5 + + var tmp; + var tmp2; + var p = 0; + var pY = 0; + var l = 0.0; + var l2 = 0.0; + + tmp = x.toExponential().match(/^.\.?(.*)e(.+)$/); + p = parseInt(tmp[2], 10) - (tmp[1] + '').length; + tmp = y.toExponential().match(/^.\.?(.*)e(.+)$/); + pY = parseInt(tmp[2], 10) - (tmp[1] + '').length; + + if (pY > p) { + p = pY; + } + + tmp2 = x % y; + + if (p < -100 || p > 20) { + // toFixed will give an out of bound error so we fix it like this: + l = Math.round(Math.log(tmp2) / Math.log(10)); + l2 = Math.pow(10, l); + + return (tmp2 / l2).toFixed(l - p) * l2; + } else { + return parseFloat(tmp2.toFixed(-p)); + } +}; +//# sourceMappingURL=fmod.js.map
\ No newline at end of file |