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0028240: Avoid redundant search for span index in evaluation of BSpline cache

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This commit is contained in:
abv
2016-12-18 09:21:54 +03:00
committed by apn
parent 1ef277c369
commit a061150b0b
5 changed files with 15 additions and 30 deletions
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12
src/BSplCLib/BSplCLib.cxx
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@@ -28,6 +28,7 @@
// in TangExtendToConstraint; Continuity can be equal to 0
#include <BSplCLib.hxx>
#include <ElCLib.hxx>
#include <gp_Pnt.hxx>
#include <gp_Pnt2d.hxx>
#include <gp_Vec.hxx>
@@ -257,15 +258,8 @@ void BSplCLib::LocateParameter
}
Standard_Integer Last1 = Last - 1;
NewU = U;
if (IsPeriodic) {
Standard_Real Period = ULast - UFirst;
while (NewU > ULast )
NewU -= Period;
while (NewU < UFirst)
NewU += Period;
}
if (IsPeriodic && (NewU < UFirst || NewU > ULast))
NewU = ElCLib::InPeriod(NewU, UFirst, ULast);
BSplCLib::Hunt (Knots, NewU, KnotIndex);