scratchfoundation/paper.js
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Check for denominator == 0 with tolerance.

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This commit is contained in:
Jürg Lehni 2011-06-05 21:59:42 +01:00
parent 0366752a6f
commit 10e1417dc2
1 changed files with 1 additions and 1 deletions
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2
src/path/PathFitter.js
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@ -196,7 +196,7 @@ var PathFitter = Base.extend({
// Compute f(u)/f'(u) // Compute f(u)/f'(u)
var V = Q_u.subtract(P), var V = Q_u.subtract(P),
df = Q1_u.dot(Q1_u) + V.dot(Q2_u); df = Q1_u.dot(Q1_u) + V.dot(Q2_u);
if (df == 0) if (Math.abs(df) < Numerical.TOLERANCE)
return u; return u;
// u = u - f(u) / f'(u) // u = u - f(u) / f'(u)
return u - V.dot(Q1_u) / df; return u - V.dot(Q1_u) / df;