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Fix to minimize floating point noise

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sapics 2015-10-02 17:03:36 +09:00 • committed by Jürg Lehni
parent 11611c8fe2
commit c6de2f7f23
1 changed files with 3 additions and 4 deletions

7
src/util/Numerical.js
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@ -231,10 +231,9 @@ var Numerical = new function() {
} else {
// No real roots if D < 0
if (D >= -MACHINE_EPSILON) {
D = D < 0 ? 0 : D;
var R = sqrt(D);
// Try to minimise floating point noise.
if (b >= MACHINE_EPSILON && b <= MACHINE_EPSILON) {
var R = sqrt(D < 0 ? 0 : D);
// Try to minimize floating point noise.
if (b >= -MACHINE_EPSILON && b <= MACHINE_EPSILON) {
x1 = abs(a) >= abs(c) ? R / a : -c / R;
x2 = -x1;
} else {