User Activity
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Posted
a comment
on
ticket #180
on
Clipper
After analyzing the bug with our numerical tools, we believe the bug can be fixed by changing the code in DistanceFromLineSqrd() as follows: (about line 4339 of clipper.cpp) -- double C = A * ln1.X + B * ln1.Y; ++ double C = double(ln2.X) * ln1.Y - double(ln2.Y) * ln1.X; Although the fixed expression is mathematically equivalent to the original expression, they yield different outputs in floating-point values. When A == double(ln1.Y - ln2.Y) && B == double(ln2.X - ln1.X), the fixed expression get...
-
Created
ticket #184
on
Clipper
a Numerical bug in the function Area
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Created
ticket #180
on
Clipper
Numerical Error when calling CleanPolygon
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- brushington
- Joined:
- 2007-03-06 16:26:34
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