+++ /dev/null
-/* -*- C++ -*- ------------------------------------------------------------
-
-Copyright (c) 2007 Jesse Anders and Demian Nave http://cmldev.net/
-
-The Configurable Math Library (CML) is distributed under the terms of the
-Boost Software License, v1.0 (see cml/LICENSE for details).
-
- *-----------------------------------------------------------------------*/
-/** @file
- * @brief
- */
-
-#ifndef vector_transform_h
-#define vector_transform_h
-
-#include <cml/mathlib/checking.h>
-
-/* Functions for transforming a vector, representing a geometric point or
- * or vector, by an affine transfom.
- *
- * Note: This functionality may be provisional, depending on what architecture
- * we settle on for the higher-level math functions. If we do keep these
- * functions, then this code may ending up being a placeholder for expression
- * template code.
- */
-
-namespace cml {
-
-/** A fixed-size temporary 4D vector */
-#define TEMP_VEC4 vector< \
- typename et::ScalarPromote< \
- typename MatT::value_type, \
- typename VecT::value_type \
- >::type, \
- fixed<4> \
->
-
-/** A fixed-size temporary 3D vector */
-#define TEMP_VEC3 vector< \
- typename et::ScalarPromote< \
- typename MatT::value_type, \
- typename VecT::value_type \
- >::type, \
- fixed<3> \
->
-
-/** A fixed-size temporary 2D vector */
-#define TEMP_VEC2 vector< \
- typename et::ScalarPromote< \
- typename MatT::value_type, \
- typename VecT::value_type \
- >::type, \
- fixed<2> \
->
-
-namespace detail {
-
-template < class MatT, class VecT > TEMP_VEC4
-transform_vector_4D(const MatT& m, const VecT& v, row_basis) {
- return v*m;
-}
-
-template < class MatT, class VecT > TEMP_VEC4
-transform_vector_4D(const MatT& m, const VecT& v, col_basis) {
- return m*v;
-}
-
-} // namespace detail
-
-/** Apply a 4x4 homogeneous transform matrix to a 4D vector */
-template < class MatT, class VecT > TEMP_VEC4
-transform_vector_4D(const MatT& m, const VecT& v) {
- return detail::transform_vector_4D(m,v,typename MatT::basis_orient());
-}
-
-/** Apply a 3D affine transform to a 3D point */
-template < class MatT, class VecT > TEMP_VEC3
-transform_point(const MatT& m, const VecT& v)
-{
- typedef TEMP_VEC3 vector_type;
-
- /* Checking */
- detail::CheckMatAffine3D(m);
- detail::CheckVec3(v);
-
- return vector_type(
- m.basis_element(0,0)*v[0]+m.basis_element(1,0)*v[1]+
- m.basis_element(2,0)*v[2]+m.basis_element(3,0),
- m.basis_element(0,1)*v[0]+m.basis_element(1,1)*v[1]+
- m.basis_element(2,1)*v[2]+m.basis_element(3,1),
- m.basis_element(0,2)*v[0]+m.basis_element(1,2)*v[1]+
- m.basis_element(2,2)*v[2]+m.basis_element(3,2)
- );
-}
-
-/** Apply a 3D affine transform to a 3D vector */
-template < class MatT, class VecT > TEMP_VEC3
-transform_vector(const MatT& m, const VecT& v)
-{
- typedef TEMP_VEC3 vector_type;
-
- /* Checking */
- detail::CheckMatLinear3D(m);
- detail::CheckVec3(v);
-
- return vector_type(
- m.basis_element(0,0)*v[0]+m.basis_element(1,0)*v[1]+
- m.basis_element(2,0)*v[2],
- m.basis_element(0,1)*v[0]+m.basis_element(1,1)*v[1]+
- m.basis_element(2,1)*v[2],
- m.basis_element(0,2)*v[0]+m.basis_element(1,2)*v[1]+
- m.basis_element(2,2)*v[2]
- );
-}
-
-/** Apply a 2D affine transform to a 2D point */
-template < class MatT, class VecT > TEMP_VEC2
-transform_point_2D(const MatT& m, const VecT& v)
-{
- typedef TEMP_VEC2 vector_type;
-
- /* Checking */
- detail::CheckMatAffine2D(m);
- detail::CheckVec2(v);
-
- return vector_type(
- m.basis_element(0,0)*v[0]+m.basis_element(1,0)*v[1]+
- m.basis_element(2,0),
- m.basis_element(0,1)*v[0]+m.basis_element(1,1)*v[1]+
- m.basis_element(2,1)
- );
-}
-
-/** Apply a 2D affine transform to a 2D vector */
-template < class MatT, class VecT > TEMP_VEC2
-transform_vector_2D(const MatT& m, const VecT& v)
-{
- typedef TEMP_VEC2 vector_type;
-
- /* Checking */
- detail::CheckMatLinear2D(m);
- detail::CheckVec2(v);
-
- return vector_type(
- m.basis_element(0,0)*v[0] + m.basis_element(1,0)*v[1],
- m.basis_element(0,1)*v[0] + m.basis_element(1,1)*v[1]
- );
-}
-
-#undef TEMP_VEC4
-#undef TEMP_VEC3
-#undef TEMP_VEC2
-
-} // namespace cml
-
-#endif