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Another fix for #22 #74

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Merged
memononen merged 1 commit into from
Apr 25, 2025
Merged

Another fix for #22 #74

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7 changes: 6 additions & 1 deletion Source/geom.h
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Original file line number Diff line number Diff line change
Expand Up @@ -48,7 +48,12 @@
#endif

#define EdgeEval(u,v,w) tesedgeEval(u,v,w)
#define EdgeSign(u,v,w) tesedgeSign(u,v,w)

/* EdgeSign used to call tesedgeSign(), which is a cheaper version of tesedgeEval(), but should return the same sign.
* This does not seem to be the case if the x coordinates are almost 0. Always using tesedgeEval() fixes this discrepancy.
* See https://github.com/memononen/libtess2/issues/22 for example data that triggers the issue.
*/
#define EdgeSign(u,v,w) tesedgeEval(u,v,w)

/* Versions of VertLeq, EdgeSign, EdgeEval with s and t transposed. */

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