prefer IdentityRotation over RotationZ(0)

Sample/Scattering/Rotations.cpp

@@ -52,7 +52,7 @@ IRotation* IRotation::createRotation(const Transform3D& transform)
 
 IRotation* IRotation::createIdentity()
 {
-    return new RotationZ(0.0);
+    return new IdentityRotation;
 }
 
 kvector_t IRotation::transformed(const kvector_t& v) const
@@ -91,7 +91,7 @@ IdentityRotation::IdentityRotation()
 
 Transform3D IdentityRotation::getTransform3D() const
 {
-    return Transform3D::createIdentity();
+    return {};
 }
 
 // ************************************************************************** //

auto/Wrap/libBornAgainBase_wrap.h

+/* ----------------------------------------------------------------------------
+ * This file was automatically generated by SWIG (http://www.swig.org).
+ * Version 4.0.2
+ *
+ * This file is not intended to be easily readable and contains a number of
+ * coding conventions designed to improve portability and efficiency. Do not make
+ * changes to this file unless you know what you are doing--modify the SWIG
+ * interface file instead.
+ * ----------------------------------------------------------------------------- */
+
+#ifndef SWIG_libBornAgainBase_WRAP_H_
+#define SWIG_libBornAgainBase_WRAP_H_
+
+#include <map>
+#include <string>
+
+
+#endif