summaryrefslogtreecommitdiff
path: root/node_modules/locutus/php/math/fmod.js
diff options
context:
space:
mode:
Diffstat (limited to 'node_modules/locutus/php/math/fmod.js')
-rw-r--r--node_modules/locutus/php/math/fmod.js39
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