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avoid FPE exception

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ptv 2009-09-15 07:51:41 +00:00
parent 7a2dff55c5
commit 4c604aa712
1 changed files with 9 additions and 4 deletions
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13
src/StdMeshers/StdMeshers_MEFISTO_2D.cxx
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@ -53,6 +53,7 @@
#include <Geom_Curve.hxx>
#include <Geom2d_Curve.hxx>
#include <Geom_Surface.hxx>
#include <Precision.hxx>
#include <TopExp.hxx>
#include <TopExp_Explorer.hxx>
#include <TopTools_ListIteratorOfListOfShape.hxx>
@ -303,7 +304,7 @@ bool StdMeshers_MEFISTO_2D::Evaluate(SMESH_Mesh & aMesh,
TopoDS_Face F = TopoDS::Face(aShape.Oriented(TopAbs_FORWARD));
double aLen = 0.0;
double NbSeg = 0;
int NbSeg = 0;
bool IsQuadratic = false;
bool IsFirst = true;
TopExp_Explorer exp(F,TopAbs_EDGE);
@ -331,16 +332,20 @@ bool StdMeshers_MEFISTO_2D::Evaluate(SMESH_Mesh & aMesh,
P1 = P2;
}
}
aLen = aLen/NbSeg; // middle length
if ( NbSeg > 0 )
aLen = aLen/NbSeg; // middle length
else
aLen = Precision::Infinite();
_edgeLength = DBL_MAX;
_edgeLength = Precision::Infinite();
double tmpLength = Min( _edgeLength, aLen );
GProp_GProps G;
BRepGProp::SurfaceProperties(aShape,G);
double anArea = G.Mass();
int nbFaces = (int) ( anArea/(tmpLength*tmpLength*sqrt(3.)/4) );
int nbFaces = Precision::IsInfinite( tmpLength ) ? 0 :
(int)( anArea/(tmpLength*tmpLength*sqrt(3.)/4) );
int nbNodes = (int) ( nbFaces*3 - (NbSeg-1)*2 ) / 6;
std::vector<int> aVec(SMDSEntity_Last);