OpenCascade/occt
1
0
Fork 0
mirror of https://git.dev.opencascade.org/repos/occt.git synced 2025-04-10 18:51:21 +03:00
Code Packages Releases Activity

0024206: Exception is raised in the STEP loopback tests.

Browse Source 
Fixed several cases of potentially uninitialized variables in Shape Healing.
Corrections to avoid warning for unused variable distmini and to avoid regression for case bug22805
This commit is contained in:
gka 2013-10-24 11:48:44 +04:00 committed by bugmaster
parent 8da5fb19a9
commit 62f225930c
2 changed files with 146 additions and 104 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

42
src/ShapeAnalysis/ShapeAnalysis_Curve.cxx
View File

@ -176,27 +176,46 @@ Standard_Real ShapeAnalysis_Curve::Project(const Adaptor3d_Curve& C3D,
const Standard_Boolean AdjustToEnds) const
{
Standard_Real uMin = C3D.FirstParameter();
Standard_Real uMax = C3D.LastParameter();
Standard_Real distmin;
if (!Precision::IsInfinite(uMin)||!Precision::IsInfinite(uMax)) {
if (Precision::IsInfinite(uMin) && Precision::IsInfinite(uMax))
return ProjectAct(C3D, P3D, preci, proj, param);
Standard_Real distmin_L = Precision::Infinite(), distmin_H = Precision::Infinite();
Standard_Real prec = ( AdjustToEnds ? preci : Precision::Confusion() ); //:j8 abv 10 Dec 98: tr10_r0501_db.stp #9423: protection against densing of points near one end
gp_Pnt LowBound = C3D.Value(uMin);
gp_Pnt HigBound = C3D.Value(uMax);
distmin = LowBound.Distance(P3D);
if (distmin <= prec) {
distmin_L = LowBound.Distance(P3D);
distmin_H = HigBound.Distance(P3D);
if (distmin_L <= prec) {
param = uMin;
proj = LowBound;
return distmin;
return distmin_L;
}
distmin = HigBound.Distance(P3D);
if (distmin <= prec) {
if (distmin_H <= prec) {
param = uMax;
proj = HigBound;
return distmin;
return distmin_H;
}
Standard_Real distProj = ProjectAct(C3D, P3D, preci, proj, param);
if( distProj < distmin_L + Precision::Confusion() && distProj < distmin_H + Precision::Confusion())
return distProj;
if( distmin_L < distmin_H)
{
param = uMin;
proj = LowBound;
return distmin_L;
}
return ProjectAct(C3D, P3D, preci, proj, param);
param = uMax;
proj = HigBound;
return distmin_H;
}
//=======================================================================
@ -212,6 +231,7 @@ Standard_Real ShapeAnalysis_Curve::ProjectAct(const Adaptor3d_Curve& C3D,
{
Standard_Boolean OK = Standard_False;
param = 0.;
try {
OCC_CATCH_SIGNALS
Extrema_ExtPC myExtPC(P3D,C3D);
@ -238,7 +258,7 @@ Standard_Real ShapeAnalysis_Curve::ProjectAct(const Adaptor3d_Curve& C3D,
//szv#4:S4163:12Mar99 moved
Standard_Real uMin = C3D.FirstParameter(), uMax = C3D.LastParameter();
Standard_Boolean closed = Standard_False; // si on franchit les bornes ...
Standard_Real distmin = RealLast(), valclosed = 0.;
Standard_Real distmin = Precision::Infinite(), valclosed = 0.;
Standard_Real aModParam = param;
Standard_Real aModMin = distmin;
@ -386,7 +406,7 @@ Standard_Real ShapeAnalysis_Curve::NextProject(const Standard_Real paramPrev,
{
Standard_Real uMin = (cf < cl ? cf : cl);
Standard_Real uMax = (cf < cl ? cl : cf);
Standard_Real distmin;
Standard_Real distmin = Precision::Infinite();
if (C3D->IsKind(STANDARD_TYPE(Geom_BoundedCurve))) {
Standard_Real prec = ( AdjustToEnds ? preci : Precision::Confusion() ); //:j8 abv 10 Dec 98: tr10_r0501_db.stp #9423: protection against densing of points near one end
gp_Pnt LowBound = C3D->Value(uMin);

36
src/ShapeFix/ShapeFix_EdgeProjAux.cxx
View File

@ -81,6 +81,7 @@ void ShapeFix_EdgeProjAux::Init (const TopoDS_Face& F,
{
myFace = F;
myEdge = E;
myFirstParam = myLastParam = 0.;
myFirstDone = myLastDone = Standard_False;
}
@ -232,7 +233,8 @@ void ShapeFix_EdgeProjAux::Init2d (const Standard_Real preci)
Handle(Geom_Surface) theSurface = BRep_Tool::Surface(myFace);
Handle(Geom2d_Curve) theCurve2d = BRep_Tool::CurveOnSurface(myEdge, myFace, cf, cl);
if ( theCurve2d.IsNull() ) return; //:r5 abv 6 Apr 99: ec_turbine-A.stp, #4313
myFirstParam = cf;
myLastParam = cl;
TopoDS_Vertex V1,V2;
TopExp::Vertices(myEdge, V1, V2);
gp_Pnt Pt1,Pt2;
@ -350,7 +352,8 @@ void ShapeFix_EdgeProjAux::Init2d (const Standard_Real preci)
#endif
}
}
myFirstParam = cf;
myLastParam = cl;
Geom2dAdaptor_Curve CA = Geom2dAdaptor_Curve(theCurve2d,cf,cl);
Handle(Geom2dAdaptor_HCurve) myHCur = new Geom2dAdaptor_HCurve(CA);
@ -361,15 +364,34 @@ void ShapeFix_EdgeProjAux::Init2d (const Standard_Real preci)
// ----------------------------------------------
Standard_Real Uinf = COnS.FirstParameter();
Standard_Real Usup = COnS.LastParameter();
Standard_Real w1,w2;
myFirstDone = myLastDone = Standard_True;
Standard_Real w1 = 0., w2 = 0.;
ShapeAnalysis_Curve sac;
gp_Pnt pnt;
Standard_Real dist = sac.Project(COnS,Pt1,preci,pnt,w1,Standard_False);
if (dist > preci) return;
dist = sac.Project(COnS,Pt2,preci,pnt,w2,Standard_False);
if (dist > preci) return;
//if distance is infinite then projection is not performed
if( Precision::IsInfinite(dist))
{
myFirstDone = Standard_False;
myLastDone = Standard_False;
return;
}
if (dist > preci)
return;
dist = sac.Project(COnS,Pt2,preci,pnt,w2,Standard_False);
if( Precision::IsInfinite(dist))
{
myLastDone = Standard_False;
return;
}
if (dist > preci)
return;
if(fabs(w1 - w2) < Precision::PConfusion())
{
if(!theSurface->IsUPeriodic() && !theSurface->IsVPeriodic())
return;
}
myFirstParam = w1;
myLastParam = w2;
myFirstDone = myLastDone = Standard_True;