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Fix to cover the case when Numerical.solveQuadratic return -1 in Numerical.solveCubic

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sapics 2016-06-16 14:37:07 +09:00
parent c5b4828ace
commit ff6484ba8c
1 changed files with 2 additions and 1 deletions
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3
src/util/Numerical.js
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@ -356,7 +356,8 @@ var Numerical = new function() {
}
// The cubic has been deflated to a quadratic.
var count = Numerical.solveQuadratic(a, b1, c2, roots, min, max);
if (isFinite(x) && (count === 0 || x !== roots[count - 1])
if (isFinite(x) && count >= 0
&& (count === 0 || x !== roots[count - 1])
&& (min == null || x > min - EPSILON && x < max + EPSILON))
roots[count++] = min == null ? x : clamp(x, min, max);
return count;