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Diffstat (limited to 'inc/glm/detail/func_matrix.inl')
| -rw-r--r-- | inc/glm/detail/func_matrix.inl | 310 |
1 files changed, 310 insertions, 0 deletions
diff --git a/inc/glm/detail/func_matrix.inl b/inc/glm/detail/func_matrix.inl new file mode 100644 index 0000000..b27efbc --- /dev/null +++ b/inc/glm/detail/func_matrix.inl @@ -0,0 +1,310 @@ +///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2015 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+///
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+///
+/// Restrictions:
+/// By making use of the Software for military purposes, you choose to make
+/// a Bunny unhappy.
+///
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref core
+/// @file glm/detail/func_matrix.inl
+/// @date 2008-03-08 / 2011-06-15
+/// @author Christophe Riccio
+///////////////////////////////////////////////////////////////////////////////////
+
+#include "../geometric.hpp"
+#include <limits>
+
+namespace glm{
+namespace detail
+{
+ template <template <class, precision> class matType, typename T, precision P>
+ struct compute_transpose{};
+
+ template <typename T, precision P>
+ struct compute_transpose<tmat2x2, T, P>
+ {
+ GLM_FUNC_QUALIFIER static tmat2x2<T, P> call(tmat2x2<T, P> const & m)
+ {
+ tmat2x2<T, P> result(uninitialize);
+ result[0][0] = m[0][0];
+ result[0][1] = m[1][0];
+ result[1][0] = m[0][1];
+ result[1][1] = m[1][1];
+ return result;
+ }
+ };
+
+ template <typename T, precision P>
+ struct compute_transpose<tmat2x3, T, P>
+ {
+ GLM_FUNC_QUALIFIER static tmat3x2<T, P> call(tmat2x3<T, P> const & m)
+ {
+ tmat3x2<T, P> result(uninitialize);
+ result[0][0] = m[0][0];
+ result[0][1] = m[1][0];
+ result[1][0] = m[0][1];
+ result[1][1] = m[1][1];
+ result[2][0] = m[0][2];
+ result[2][1] = m[1][2];
+ return result;
+ }
+ };
+
+ template <typename T, precision P>
+ struct compute_transpose<tmat2x4, T, P>
+ {
+ GLM_FUNC_QUALIFIER static tmat4x2<T, P> call(tmat2x4<T, P> const & m)
+ {
+ tmat4x2<T, P> result(uninitialize);
+ result[0][0] = m[0][0];
+ result[0][1] = m[1][0];
+ result[1][0] = m[0][1];
+ result[1][1] = m[1][1];
+ result[2][0] = m[0][2];
+ result[2][1] = m[1][2];
+ result[3][0] = m[0][3];
+ result[3][1] = m[1][3];
+ return result;
+ }
+ };
+
+ template <typename T, precision P>
+ struct compute_transpose<tmat3x2, T, P>
+ {
+ GLM_FUNC_QUALIFIER static tmat2x3<T, P> call(tmat3x2<T, P> const & m)
+ {
+ tmat2x3<T, P> result(uninitialize);
+ result[0][0] = m[0][0];
+ result[0][1] = m[1][0];
+ result[0][2] = m[2][0];
+ result[1][0] = m[0][1];
+ result[1][1] = m[1][1];
+ result[1][2] = m[2][1];
+ return result;
+ }
+ };
+
+ template <typename T, precision P>
+ struct compute_transpose<tmat3x3, T, P>
+ {
+ GLM_FUNC_QUALIFIER static tmat3x3<T, P> call(tmat3x3<T, P> const & m)
+ {
+ tmat3x3<T, P> result(uninitialize);
+ result[0][0] = m[0][0];
+ result[0][1] = m[1][0];
+ result[0][2] = m[2][0];
+
+ result[1][0] = m[0][1];
+ result[1][1] = m[1][1];
+ result[1][2] = m[2][1];
+
+ result[2][0] = m[0][2];
+ result[2][1] = m[1][2];
+ result[2][2] = m[2][2];
+ return result;
+ }
+ };
+
+ template <typename T, precision P>
+ struct compute_transpose<tmat3x4, T, P>
+ {
+ GLM_FUNC_QUALIFIER static tmat4x3<T, P> call(tmat3x4<T, P> const & m)
+ {
+ tmat4x3<T, P> result(uninitialize);
+ result[0][0] = m[0][0];
+ result[0][1] = m[1][0];
+ result[0][2] = m[2][0];
+ result[1][0] = m[0][1];
+ result[1][1] = m[1][1];
+ result[1][2] = m[2][1];
+ result[2][0] = m[0][2];
+ result[2][1] = m[1][2];
+ result[2][2] = m[2][2];
+ result[3][0] = m[0][3];
+ result[3][1] = m[1][3];
+ result[3][2] = m[2][3];
+ return result;
+ }
+ };
+
+ template <typename T, precision P>
+ struct compute_transpose<tmat4x2, T, P>
+ {
+ GLM_FUNC_QUALIFIER static tmat2x4<T, P> call(tmat4x2<T, P> const & m)
+ {
+ tmat2x4<T, P> result(uninitialize);
+ result[0][0] = m[0][0];
+ result[0][1] = m[1][0];
+ result[0][2] = m[2][0];
+ result[0][3] = m[3][0];
+ result[1][0] = m[0][1];
+ result[1][1] = m[1][1];
+ result[1][2] = m[2][1];
+ result[1][3] = m[3][1];
+ return result;
+ }
+ };
+
+ template <typename T, precision P>
+ struct compute_transpose<tmat4x3, T, P>
+ {
+ GLM_FUNC_QUALIFIER static tmat3x4<T, P> call(tmat4x3<T, P> const & m)
+ {
+ tmat3x4<T, P> result(uninitialize);
+ result[0][0] = m[0][0];
+ result[0][1] = m[1][0];
+ result[0][2] = m[2][0];
+ result[0][3] = m[3][0];
+ result[1][0] = m[0][1];
+ result[1][1] = m[1][1];
+ result[1][2] = m[2][1];
+ result[1][3] = m[3][1];
+ result[2][0] = m[0][2];
+ result[2][1] = m[1][2];
+ result[2][2] = m[2][2];
+ result[2][3] = m[3][2];
+ return result;
+ }
+ };
+
+ template <typename T, precision P>
+ struct compute_transpose<tmat4x4, T, P>
+ {
+ GLM_FUNC_QUALIFIER static tmat4x4<T, P> call(tmat4x4<T, P> const & m)
+ {
+ tmat4x4<T, P> result(uninitialize);
+ result[0][0] = m[0][0];
+ result[0][1] = m[1][0];
+ result[0][2] = m[2][0];
+ result[0][3] = m[3][0];
+
+ result[1][0] = m[0][1];
+ result[1][1] = m[1][1];
+ result[1][2] = m[2][1];
+ result[1][3] = m[3][1];
+
+ result[2][0] = m[0][2];
+ result[2][1] = m[1][2];
+ result[2][2] = m[2][2];
+ result[2][3] = m[3][2];
+
+ result[3][0] = m[0][3];
+ result[3][1] = m[1][3];
+ result[3][2] = m[2][3];
+ result[3][3] = m[3][3];
+ return result;
+ }
+ };
+
+ template <template <class, precision> class matType, typename T, precision P>
+ struct compute_determinant{};
+
+ template <typename T, precision P>
+ struct compute_determinant<tmat2x2, T, P>
+ {
+ GLM_FUNC_QUALIFIER static T call(tmat2x2<T, P> const & m)
+ {
+ return m[0][0] * m[1][1] - m[1][0] * m[0][1];
+ }
+ };
+
+ template <typename T, precision P>
+ struct compute_determinant<tmat3x3, T, P>
+ {
+ GLM_FUNC_QUALIFIER static T call(tmat3x3<T, P> const & m)
+ {
+ return
+ + m[0][0] * (m[1][1] * m[2][2] - m[2][1] * m[1][2])
+ - m[1][0] * (m[0][1] * m[2][2] - m[2][1] * m[0][2])
+ + m[2][0] * (m[0][1] * m[1][2] - m[1][1] * m[0][2]);
+ }
+ };
+
+ template <typename T, precision P>
+ struct compute_determinant<tmat4x4, T, P>
+ {
+ GLM_FUNC_QUALIFIER static T call(tmat4x4<T, P> const & m)
+ {
+ T SubFactor00 = m[2][2] * m[3][3] - m[3][2] * m[2][3];
+ T SubFactor01 = m[2][1] * m[3][3] - m[3][1] * m[2][3];
+ T SubFactor02 = m[2][1] * m[3][2] - m[3][1] * m[2][2];
+ T SubFactor03 = m[2][0] * m[3][3] - m[3][0] * m[2][3];
+ T SubFactor04 = m[2][0] * m[3][2] - m[3][0] * m[2][2];
+ T SubFactor05 = m[2][0] * m[3][1] - m[3][0] * m[2][1];
+
+ tvec4<T, P> DetCof(
+ + (m[1][1] * SubFactor00 - m[1][2] * SubFactor01 + m[1][3] * SubFactor02),
+ - (m[1][0] * SubFactor00 - m[1][2] * SubFactor03 + m[1][3] * SubFactor04),
+ + (m[1][0] * SubFactor01 - m[1][1] * SubFactor03 + m[1][3] * SubFactor05),
+ - (m[1][0] * SubFactor02 - m[1][1] * SubFactor04 + m[1][2] * SubFactor05));
+
+ return
+ m[0][0] * DetCof[0] + m[0][1] * DetCof[1] +
+ m[0][2] * DetCof[2] + m[0][3] * DetCof[3];
+ }
+ };
+}//namespace detail
+
+ template <typename T, precision P, template <typename, precision> class matType>
+ GLM_FUNC_QUALIFIER matType<T, P> matrixCompMult(matType<T, P> const & x, matType<T, P> const & y)
+ {
+ GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'matrixCompMult' only accept floating-point inputs");
+
+ matType<T, P> result(uninitialize);
+ for(detail::component_count_t i = 0; i < detail::component_count(result); ++i)
+ result[i] = x[i] * y[i];
+ return result;
+ }
+
+ template<typename T, precision P, template <typename, precision> class vecTypeA, template <typename, precision> class vecTypeB>
+ GLM_FUNC_QUALIFIER typename detail::outerProduct_trait<T, P, vecTypeA, vecTypeB>::type outerProduct(vecTypeA<T, P> const & c, vecTypeB<T, P> const & r)
+ {
+ GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'outerProduct' only accept floating-point inputs");
+
+ typename detail::outerProduct_trait<T, P, vecTypeA, vecTypeB>::type m(uninitialize);
+ for(detail::component_count_t i = 0; i < detail::component_count(m); ++i)
+ m[i] = c * r[i];
+ return m;
+ }
+
+ template <typename T, precision P, template <typename, precision> class matType>
+ GLM_FUNC_QUALIFIER typename matType<T, P>::transpose_type transpose(matType<T, P> const & m)
+ {
+ GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'transpose' only accept floating-point inputs");
+ return detail::compute_transpose<matType, T, P>::call(m);
+ }
+
+ template <typename T, precision P, template <typename, precision> class matType>
+ GLM_FUNC_QUALIFIER T determinant(matType<T, P> const & m)
+ {
+ GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'determinant' only accept floating-point inputs");
+ return detail::compute_determinant<matType, T, P>::call(m);
+ }
+
+ template <typename T, precision P, template <typename, precision> class matType>
+ GLM_FUNC_QUALIFIER matType<T, P> inverse(matType<T, P> const & m)
+ {
+ GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'inverse' only accept floating-point inputs");
+ return detail::compute_inverse(m);
+ }
+
+}//namespace glm
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