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Use internal sign() (Math.sign only in ES2015+)

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This commit is contained in:
Pat Grasso 2016-10-17 14:06:07 -04:00
parent ee41e35b5c
commit 57f082f64d
1 changed files with 4 additions and 4 deletions
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8
lib/function/special/erf.js
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@ -1,7 +1,7 @@
'use strict';
var deepMap = require('../../utils/collection/deepMap');
var isInteger = require('../../utils/number').isInteger;
var sign = require('../../utils/number').sign;
/**
* Upper bound for the first approximation interval, 0 <= x <= THRESH
@ -90,11 +90,11 @@ function factory (type, config, load, typed) {
var y = Math.abs(x);
if (y <= THRESH) {
return Math.sign(x) * erf1(y);
return sign(x) * erf1(y);
} else if (y <= 4.0) {
return Math.sign(x) * (1 - erfc2(y));
return sign(x) * (1 - erfc2(y));
} else {
return Math.sign(x) * (1 - erfc3(y));
return sign(x) * (1 - erfc3(y));
}
},