From: azv <azv@opencascade.com>
Date: Wed, 29 Mar 2017 10:56:21 +0000 (+0300)
Subject: Issue #2058: Fatal error when create split constraint
X-Git-Tag: V_2.7.0~151
X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=aa410adae884fd5448a5ac94d321cf264e489a91;p=modules%2Fshaper.git

Issue #2058: Fatal error when create split constraint

Fix wrong processing of tangent constraint between line and circle having one coincident point.
---

diff --git a/src/SketchSolver/SketchSolver_ConstraintTangent.cpp b/src/SketchSolver/SketchSolver_ConstraintTangent.cpp
index 709d09185..1c42ac69a 100644
--- a/src/SketchSolver/SketchSolver_ConstraintTangent.cpp
+++ b/src/SketchSolver/SketchSolver_ConstraintTangent.cpp
@@ -307,12 +307,13 @@ ConstraintWrapperPtr createArcLineTangency(EntityWrapperPtr theEntity1,
 
   std::shared_ptr<GCS::Circle> aCirc =
       std::dynamic_pointer_cast<GCS::Circle>(anEntCirc->entity());
+  std::shared_ptr<GCS::Arc> anArc = std::dynamic_pointer_cast<GCS::Arc>(aCirc);
+
   std::shared_ptr<GCS::Line> aLine =
       std::dynamic_pointer_cast<GCS::Line>(anEntLine->entity());
 
   GCSConstraintPtr aNewConstr;
-  if (theSharedPoint) {
-    std::shared_ptr<GCS::Arc> anArc = std::dynamic_pointer_cast<GCS::Arc>(aCirc);
+  if (theSharedPoint && anArc) { // do not process shared point between circle and line
     GCSPointPtr aPoint =
         std::dynamic_pointer_cast<PlaneGCSSolver_PointWrapper>(theSharedPoint)->point();