23386: EDF 13811 - Crash SALOME during compute

[modules/smesh.git] / src / StdMeshers / StdMeshers_Regular_1D.cxx

diff --git a/src/StdMeshers/StdMeshers_Regular_1D.cxx b/src/StdMeshers/StdMeshers_Regular_1D.cxx
index 8a8bed9c0a586cb381dcdde928c705b4bd78585b..2f2c879f085bf09226aa356490120849a834594b 100644 (file)
--- a/src/StdMeshers/StdMeshers_Regular_1D.cxx
+++ b/src/StdMeshers/StdMeshers_Regular_1D.cxx
@@ -994,6 +994,8 @@ bool StdMeshers_Regular_1D::computeInternalParameters(SMESH_Mesh &     theMesh,
     std::vector<int>          nbsegs = _fpHyp->GetNbSegments();
     if ( theReverse )
       std::reverse( nbsegs.begin(), nbsegs.end() );
+    if ( nbsegs.empty() )
+      nbsegs.push_back( 1 );
 
     // sort normalized params, taking into account theReverse
     TColStd_SequenceOfReal Params;