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Prevent invalid invinite solutions in Numerical.solveQuadratic()

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Closes #708
This commit is contained in:
Jürg Lehni 2015-06-16 12:30:25 +02:00
parent e3f04478d9
commit ce41447793
1 changed files with 2 additions and 2 deletions
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src/util/Numerical.js
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@ -181,7 +181,7 @@ var Numerical = new function() {
* If the discriminant is very small, we can try to pre-condition * If the discriminant is very small, we can try to pre-condition
* the coefficients, so that we may get better accuracy * the coefficients, so that we may get better accuracy
*/ */
if (abs(D) < MACHINE_EPSILON) { if (D !== 0 && abs(D) < MACHINE_EPSILON) {
// If the geometric mean of the coefficients is small enough // If the geometric mean of the coefficients is small enough
var pow = Math.pow, var pow = Math.pow,
gmC = pow(abs(a*b*c), 1/3); gmC = pow(abs(a*b*c), 1/3);