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0026278: Canonical recognition from time to time raises exception on the attached shape

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Corrected array boundaries to avoid Standard_OutOfRange exception in BSplSLib and BSplSLib_Cache on the given shapes.
Code formatting has been corrected for ShapeFix_Edge.
This commit is contained in:
omy 2015-06-01 17:39:42 +03:00 committed by bugmaster
parent d0820f2e56
commit 283b833c8e
1 changed files with 12 additions and 0 deletions
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12
src/BSplSLib/BSplSLib_Cache.cxx
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@ -148,8 +148,20 @@ void BSplSLib_Cache::BuildCache(const Standard_Real& theParameterU,
thePeriodicU, mySpanIndex[0], aNewParamU);
BSplCLib::LocateParameter(theDegreeV, theFlatKnotsV, BSplCLib::NoMults(), aNewParamV,
thePeriodicV, mySpanIndex[1], aNewParamV);
// Protection against Out of Range exception.
if (mySpanIndex[0] >= theFlatKnotsU.Length()) {
mySpanIndex[0] = theFlatKnotsU.Length() - 1;
}
mySpanLength[0] = (theFlatKnotsU.Value(mySpanIndex[0] + 1) - theFlatKnotsU.Value(mySpanIndex[0])) * 0.5;
mySpanStart[0] = theFlatKnotsU.Value(mySpanIndex[0]) + mySpanLength[0];
// Protection against Out of Range exception.
if (mySpanIndex[1] >= theFlatKnotsV.Length()) {
mySpanIndex[1] = theFlatKnotsV.Length() - 1;
}
mySpanLength[1] = (theFlatKnotsV.Value(mySpanIndex[1] + 1) - theFlatKnotsV.Value(mySpanIndex[1])) * 0.5;
mySpanStart[1] = theFlatKnotsV.Value(mySpanIndex[1]) + mySpanLength[1];
mySpanIndexMax[0] = theFlatKnotsU.Length() - 1 - theDegreeU;