From 70c9f5e2dc706c38c9cde76df9108011512b8680 Mon Sep 17 00:00:00 2001
From: azv <azv@opencascade.com>
Date: Thu, 23 Apr 2015 09:03:36 +0300
Subject: [PATCH] Calculation of angle between two directions

---
 src/GeomAPI/GeomAPI_Dir.cpp   | 5 +++++
 src/GeomAPI/GeomAPI_Dir.h     | 3 +++
 src/GeomAPI/GeomAPI_Dir2d.cpp | 4 ++++
 src/GeomAPI/GeomAPI_Dir2d.h   | 3 +++
 4 files changed, 15 insertions(+)

diff --git a/src/GeomAPI/GeomAPI_Dir.cpp b/src/GeomAPI/GeomAPI_Dir.cpp
index 858d8f877..5c42d68a0 100644
--- a/src/GeomAPI/GeomAPI_Dir.cpp
+++ b/src/GeomAPI/GeomAPI_Dir.cpp
@@ -53,3 +53,8 @@ const std::shared_ptr<GeomAPI_XYZ> GeomAPI_Dir::cross(
   return std::shared_ptr<GeomAPI_XYZ>(new GeomAPI_XYZ(aResult.X(), aResult.Y(), aResult.Z()));
 }
 
+double GeomAPI_Dir::angle(const std::shared_ptr<GeomAPI_Dir>& theArg) const
+{
+  return MY_DIR->Angle(theArg->impl<gp_Dir>());
+}
+
diff --git a/src/GeomAPI/GeomAPI_Dir.h b/src/GeomAPI/GeomAPI_Dir.h
index c713019f9..fa0cdcb6b 100644
--- a/src/GeomAPI/GeomAPI_Dir.h
+++ b/src/GeomAPI/GeomAPI_Dir.h
@@ -39,6 +39,9 @@ class GEOMAPI_EXPORT GeomAPI_Dir : public GeomAPI_Interface
   double dot(const std::shared_ptr<GeomAPI_Dir>& theArg) const;
   /// result is a cross product of two directions
   const std::shared_ptr<GeomAPI_XYZ> cross(const std::shared_ptr<GeomAPI_Dir>& theArg) const;
+
+  /// calculates angle between two directions
+  double angle(const std::shared_ptr<GeomAPI_Dir>& theArg) const;
 };
 
 #endif
diff --git a/src/GeomAPI/GeomAPI_Dir2d.cpp b/src/GeomAPI/GeomAPI_Dir2d.cpp
index e9131f992..abb954f29 100644
--- a/src/GeomAPI/GeomAPI_Dir2d.cpp
+++ b/src/GeomAPI/GeomAPI_Dir2d.cpp
@@ -46,3 +46,7 @@ double GeomAPI_Dir2d::cross(const std::shared_ptr<GeomAPI_Dir2d>& theArg) const
   return MY_DIR->XY().Crossed(theArg->impl<gp_Dir2d>().XY());
 }
 
+double GeomAPI_Dir2d::angle(const std::shared_ptr<GeomAPI_Dir2d>& theArg) const
+{
+  return MY_DIR->Angle(theArg->impl<gp_Dir2d>());
+}
diff --git a/src/GeomAPI/GeomAPI_Dir2d.h b/src/GeomAPI/GeomAPI_Dir2d.h
index ec5587693..afea83723 100644
--- a/src/GeomAPI/GeomAPI_Dir2d.h
+++ b/src/GeomAPI/GeomAPI_Dir2d.h
@@ -37,6 +37,9 @@ class GEOMAPI_EXPORT GeomAPI_Dir2d : public GeomAPI_Interface
   double dot(const std::shared_ptr<GeomAPI_Dir2d>& theArg) const;
   /// result is a cross product of two directions
   double cross(const std::shared_ptr<GeomAPI_Dir2d>& theArg) const;
+
+  /// calculates angle between two directions
+  double angle(const std::shared_ptr<GeomAPI_Dir2d>& theArg) const;
 };
 
 #endif
-- 
2.39.2