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diff --git a/source/blender/io/collada/BCMath.h b/source/blender/io/collada/BCMath.h
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+++ b/source/blender/io/collada/BCMath.h
@@ -0,0 +1,110 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+/** \file
+ * \ingroup collada
+ */
+
+#ifndef __BCMATH_H__
+#define __BCMATH_H__
+
+#include "BlenderTypes.h"
+
+extern "C" {
+#include "BKE_object.h"
+#include "BLI_math.h"
+}
+
+class BCQuat {
+ private:
+  mutable Quat q;
+
+ public:
+  BCQuat(const BCQuat &other)
+  {
+    copy_v4_v4(q, other.q);
+  }
+
+  BCQuat(Quat &other)
+  {
+    copy_v4_v4(q, other);
+  }
+
+  BCQuat()
+  {
+    unit_qt(q);
+  }
+
+  Quat &quat()
+  {
+    return q;
+  }
+
+  void rotate_to(Matrix &mat_to);
+};
+
+class BCMatrix {
+
+ private:
+  mutable float matrix[4][4];
+  mutable float size[3];
+  mutable float rot[3];
+  mutable float loc[3];
+  mutable float q[4];
+
+  void unit();
+  void copy(Matrix &r, Matrix &a);
+
+ public:
+  float (&location() const)[3];
+  float (&rotation() const)[3];
+  float (&scale() const)[3];
+  float (&quat() const)[4];
+
+  BCMatrix(BC_global_forward_axis global_forward_axis, BC_global_up_axis global_up_axis);
+  BCMatrix(const BCMatrix &mat);
+  BCMatrix(Matrix &mat);
+  BCMatrix(Object *ob);
+  BCMatrix();
+
+  void get_matrix(DMatrix &matrix, const bool transposed = false, const int precision = -1) const;
+  void get_matrix(Matrix &matrix,
+                  const bool transposed = false,
+                  const int precision = -1,
+                  const bool inverted = false) const;
+  void set_transform(Object *ob);
+  void set_transform(Matrix &mat);
+  void add_transform(Matrix &to,
+                     const Matrix &transform,
+                     const Matrix &from,
+                     const bool inverted = false);
+  void apply_transform(Matrix &to,
+                       const Matrix &transform,
+                       const Matrix &from,
+                       const bool inverted = false);
+  void add_inverted_transform(Matrix &to, const Matrix &transform, const Matrix &from);
+  void add_transform(const Matrix &matrix, const bool inverted = false);
+  void add_transform(const BCMatrix &matrix, const bool inverted = false);
+  void apply_transform(const BCMatrix &matrix, const bool inverted = false);
+
+  const bool in_range(const BCMatrix &other, float distance) const;
+
+  static void sanitize(Matrix &matrix, int precision);
+  static void sanitize(DMatrix &matrix, int precision);
+  static void transpose(Matrix &matrix);
+};
+
+#endif /* __BCMATH_H__ */