///////////////////////////////////////////////////////////////////////////////////
/// 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 gtc_type_ptr
/// @file glm/gtc/type_ptr.inl
/// @date 2011-06-15 / 2011-12-07
/// @author Christophe Riccio
///////////////////////////////////////////////////////////////////////////////////

#include <cstring>

namespace glm
{
        /// @addtogroup gtc_type_ptr
        /// @{

        /// Return the constant address to the data of the vector input.
        /// @see gtc_type_ptr
        template<typename T, precision P>
        GLM_FUNC_QUALIFIER T const * value_ptr
        (
                tvec2<T, P> const & vec
        )
        {
                return &(vec.x);
        }

        //! Return the address to the data of the vector input.
        /// @see gtc_type_ptr
        template<typename T, precision P>
        GLM_FUNC_QUALIFIER T * value_ptr
        (
                tvec2<T, P> & vec
        )
        {
                return &(vec.x);
        }

        /// Return the constant address to the data of the vector input.
        /// @see gtc_type_ptr
        template<typename T, precision P>
        GLM_FUNC_QUALIFIER T const * value_ptr
        (
                tvec3<T, P> const & vec
        )
        {
                return &(vec.x);
        }

        //! Return the address to the data of the vector input.
        /// @see gtc_type_ptr
        template<typename T, precision P>
        GLM_FUNC_QUALIFIER T * value_ptr
        (
                tvec3<T, P> & vec
        )
        {
                return &(vec.x);
        }
                
        /// Return the constant address to the data of the vector input.
        /// @see gtc_type_ptr
        template<typename T, precision P>
        GLM_FUNC_QUALIFIER T const * value_ptr
        (       
                tvec4<T, P> const & vec
        )
        {
                return &(vec.x);
        }

        //! Return the address to the data of the vector input.
        //! From GLM_GTC_type_ptr extension.
        template<typename T, precision P>
        GLM_FUNC_QUALIFIER T * value_ptr
        (       
                tvec4<T, P> & vec
        )
        {
                return &(vec.x);
        }

        /// Return the constant address to the data of the matrix input.
        /// @see gtc_type_ptr
        template<typename T, precision P>
        GLM_FUNC_QUALIFIER T const * value_ptr
        (
                tmat2x2<T, P> const & mat
        )
        {
                return &(mat[0].x);
        }

        //! Return the address to the data of the matrix input.
        /// @see gtc_type_ptr
        template<typename T, precision P>
        GLM_FUNC_QUALIFIER T * value_ptr
        (
                tmat2x2<T, P> & mat
        )
        {
                return &(mat[0].x);
        }
                
        /// Return the constant address to the data of the matrix input.
        /// @see gtc_type_ptr
        template<typename T, precision P>
        GLM_FUNC_QUALIFIER T const * value_ptr
        (
                tmat3x3<T, P> const & mat
        )
        {
                return &(mat[0].x);
        }

        //! Return the address to the data of the matrix input.
        /// @see gtc_type_ptr
        template<typename T, precision P>
        GLM_FUNC_QUALIFIER T * value_ptr
        (
                tmat3x3<T, P> & mat
        )
        {
                return &(mat[0].x);
        }
                
        /// Return the constant address to the data of the matrix input.
        /// @see gtc_type_ptr
        template<typename T, precision P>
        GLM_FUNC_QUALIFIER T const * value_ptr
        (
                tmat4x4<T, P> const & mat
        )
        {
                return &(mat[0].x);
        }

        //! Return the address to the data of the matrix input.
        //! From GLM_GTC_type_ptr extension.
        template<typename T, precision P>
        GLM_FUNC_QUALIFIER T * value_ptr
        (
                tmat4x4<T, P> & mat
        )
        {
                return &(mat[0].x);
        }

        /// Return the constant address to the data of the matrix input.
        /// @see gtc_type_ptr
        template<typename T, precision P>
        GLM_FUNC_QUALIFIER T const * value_ptr
        (
                tmat2x3<T, P> const & mat
        )
        {
                return &(mat[0].x);
        }

        //! Return the address to the data of the matrix input.
        /// @see gtc_type_ptr
        template<typename T, precision P>
        GLM_FUNC_QUALIFIER T * value_ptr
        (
                tmat2x3<T, P> & mat
        )
        {
                return &(mat[0].x);
        }
                
        /// Return the constant address to the data of the matrix input.
        /// @see gtc_type_ptr
        template<typename T, precision P>
        GLM_FUNC_QUALIFIER T const * value_ptr
        (
                tmat3x2<T, P> const & mat
        )
        {
                return &(mat[0].x);
        }

        //! Return the address to the data of the matrix input.
        /// @see gtc_type_ptr
        template<typename T, precision P>
        GLM_FUNC_QUALIFIER T * value_ptr
        (
                tmat3x2<T, P> & mat
        )
        {
                return &(mat[0].x);
        }
                
        /// Return the constant address to the data of the matrix input.
        /// @see gtc_type_ptr
        template<typename T, precision P>
        GLM_FUNC_QUALIFIER T const * value_ptr
        (
                tmat2x4<T, P> const & mat
        )
        {
                return &(mat[0].x);
        }

        //! Return the address to the data of the matrix input.
        /// @see gtc_type_ptr
        template<typename T, precision P>
        GLM_FUNC_QUALIFIER T * value_ptr
        (
                tmat2x4<T, P> & mat
        )
        {
                return &(mat[0].x);
        }
                
        /// Return the constant address to the data of the matrix input.
        /// @see gtc_type_ptr
        template<typename T, precision P>
        GLM_FUNC_QUALIFIER T const * value_ptr
        (
                tmat4x2<T, P> const & mat
        )
        {
                return &(mat[0].x);
        }

        //! Return the address to the data of the matrix input.
        /// @see gtc_type_ptr
        template<typename T, precision P>
        GLM_FUNC_QUALIFIER T * value_ptr
        (       
                tmat4x2<T, P> & mat
        )
        {
                return &(mat[0].x);
        }
                
        /// Return the constant address to the data of the matrix input.
        /// @see gtc_type_ptr
        template<typename T, precision P>
        GLM_FUNC_QUALIFIER T const * value_ptr
        (
                tmat3x4<T, P> const & mat
        )
        {
                return &(mat[0].x);
        }

        //! Return the address to the data of the matrix input.
        /// @see gtc_type_ptr
        template<typename T, precision P>
        GLM_FUNC_QUALIFIER T * value_ptr
        (
                tmat3x4<T, P> & mat
        )
        {
                return &(mat[0].x);
        }
                
        /// Return the constant address to the data of the matrix input.
        /// @see gtc_type_ptr
        template<typename T, precision P>
        GLM_FUNC_QUALIFIER T const * value_ptr
        (
                tmat4x3<T, P> const & mat
        )
        {
                return &(mat[0].x);
        }

        /// Return the address to the data of the matrix input.
        /// @see gtc_type_ptr
        template<typename T, precision P>
        GLM_FUNC_QUALIFIER T * value_ptr(tmat4x3<T, P> & mat)
        {
                return &(mat[0].x);
        }

        /// Return the constant address to the data of the input parameter.
        /// @see gtc_type_ptr
        template<typename T, precision P>
        GLM_FUNC_QUALIFIER T const * value_ptr
        (
                tquat<T, P> const & q
        )
        {
                return &(q[0]);
        }

        /// Return the address to the data of the quaternion input.
        /// @see gtc_type_ptr
        template<typename T, precision P>
        GLM_FUNC_QUALIFIER T * value_ptr
        (
                tquat<T, P> & q
        )
        {
                return &(q[0]);
        }

        /// Build a vector from a pointer.
        /// @see gtc_type_ptr
        template <typename T>
        GLM_FUNC_QUALIFIER tvec2<T, defaultp> make_vec2(T const * const ptr)
        {
                tvec2<T, defaultp> Result;
                memcpy(value_ptr(Result), ptr, sizeof(tvec2<T, defaultp>));
                return Result;
        }

        /// Build a vector from a pointer.
        /// @see gtc_type_ptr
        template <typename T>
        GLM_FUNC_QUALIFIER tvec3<T, defaultp> make_vec3(T const * const ptr)
        {
                tvec3<T, defaultp> Result;
                memcpy(value_ptr(Result), ptr, sizeof(tvec3<T, defaultp>));
                return Result;
        }

        /// Build a vector from a pointer.
        /// @see gtc_type_ptr
        template <typename T>
        GLM_FUNC_QUALIFIER tvec4<T, defaultp> make_vec4(T const * const ptr)
        {
                tvec4<T, defaultp> Result;
                memcpy(value_ptr(Result), ptr, sizeof(tvec4<T, defaultp>));
                return Result;
        }

        /// Build a matrix from a pointer.
        /// @see gtc_type_ptr
        template <typename T>
        GLM_FUNC_QUALIFIER tmat2x2<T, defaultp> make_mat2x2(T const * const ptr)
        {
                tmat2x2<T, defaultp> Result;
                memcpy(value_ptr(Result), ptr, sizeof(tmat2x2<T, defaultp>));
                return Result;
        }

        /// Build a matrix from a pointer.
        /// @see gtc_type_ptr
        template <typename T>
        GLM_FUNC_QUALIFIER tmat2x3<T, defaultp> make_mat2x3(T const * const ptr)
        {
                tmat2x3<T, defaultp> Result;
                memcpy(value_ptr(Result), ptr, sizeof(tmat2x3<T, defaultp>));
                return Result;
        }

        /// Build a matrix from a pointer.
        /// @see gtc_type_ptr
        template <typename T>
        GLM_FUNC_QUALIFIER tmat2x4<T, defaultp> make_mat2x4(T const * const ptr)
        {
                tmat2x4<T, defaultp> Result;
                memcpy(value_ptr(Result), ptr, sizeof(tmat2x4<T, defaultp>));
                return Result;
        }

        /// Build a matrix from a pointer.
        /// @see gtc_type_ptr
        template <typename T>
        GLM_FUNC_QUALIFIER tmat3x2<T, defaultp> make_mat3x2(T const * const ptr)
        {
                tmat3x2<T, defaultp> Result;
                memcpy(value_ptr(Result), ptr, sizeof(tmat3x2<T, defaultp>));
                return Result;
        }

        //! Build a matrix from a pointer.
        /// @see gtc_type_ptr
        template <typename T>
        GLM_FUNC_QUALIFIER tmat3x3<T, defaultp> make_mat3x3(T const * const ptr)
        {
                tmat3x3<T, defaultp> Result;
                memcpy(value_ptr(Result), ptr, sizeof(tmat3x3<T, defaultp>));
                return Result;
        }

        //! Build a matrix from a pointer.
        /// @see gtc_type_ptr
        template <typename T>
        GLM_FUNC_QUALIFIER tmat3x4<T, defaultp> make_mat3x4(T const * const ptr)
        {
                tmat3x4<T, defaultp> Result;
                memcpy(value_ptr(Result), ptr, sizeof(tmat3x4<T, defaultp>));
                return Result;
        }

        //! Build a matrix from a pointer.
        /// @see gtc_type_ptr
        template <typename T>
        GLM_FUNC_QUALIFIER tmat4x2<T, defaultp> make_mat4x2(T const * const ptr)
        {
                tmat4x2<T, defaultp> Result;
                memcpy(value_ptr(Result), ptr, sizeof(tmat4x2<T, defaultp>));
                return Result;
        }

        //! Build a matrix from a pointer.
        /// @see gtc_type_ptr
        template <typename T>
        GLM_FUNC_QUALIFIER tmat4x3<T, defaultp> make_mat4x3(T const * const ptr)
        {
                tmat4x3<T, defaultp> Result;
                memcpy(value_ptr(Result), ptr, sizeof(tmat4x3<T, defaultp>));
                return Result;
        }

        //! Build a matrix from a pointer.
        /// @see gtc_type_ptr
        template <typename T>
        GLM_FUNC_QUALIFIER tmat4x4<T, defaultp> make_mat4x4(T const * const ptr)
        {
                tmat4x4<T, defaultp> Result;
                memcpy(value_ptr(Result), ptr, sizeof(tmat4x4<T, defaultp>));
                return Result;
        }

        //! Build a matrix from a pointer.
        /// @see gtc_type_ptr
        template <typename T>
        GLM_FUNC_QUALIFIER tmat2x2<T, defaultp> make_mat2(T const * const ptr)
        {
                return make_mat2x2(ptr);
        }

        //! Build a matrix from a pointer.
        /// @see gtc_type_ptr
        template <typename T>
        GLM_FUNC_QUALIFIER tmat3x3<T, defaultp> make_mat3(T const * const ptr)
        {
                return make_mat3x3(ptr);
        }
                
        //! Build a matrix from a pointer.
        /// @see gtc_type_ptr
        template <typename T>
        GLM_FUNC_QUALIFIER tmat4x4<T, defaultp> make_mat4(T const * const ptr)
        {
                return make_mat4x4(ptr);
        }

        //! Build a quaternion from a pointer.
        /// @see gtc_type_ptr
        template <typename T>
        GLM_FUNC_QUALIFIER tquat<T, defaultp> make_quat(T const * const ptr)
        {
                tquat<T, defaultp> Result;
                memcpy(value_ptr(Result), ptr, sizeof(tquat<T, defaultp>));
                return Result;
        }

        /// @}
}//namespace glm