///////////////////////////////////////////////////////////////////////////////////
/// OpenGL Mathematics (glm.g-truc.net)
///
/// Copyright (c) 2005 – 2015 G-Truc Creation (www.g-truc.net)
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/// 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.
///
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/// By making use of the Software for military purposes, you choose to make
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/// @ref gtx_range
/// @file glm/gtx/range.hpp
/// @date 2014-09-19 / 2014-09-19
/// @author Joshua Moerman
///
/// @defgroup gtx_range GLM_GTX_range
/// @ingroup gtx
///
/// @brief Defines begin and end for vectors and matrices. Useful for range-based for loop.
/// The range is defined over the elements, not over columns or rows (e.g. mat4 has 16 elements).
///
///
///////////////////////////////////////////////////////////////////////////////////
#pragma once
// Dependencies
#include “../detail/setup.hpp”
#if !GLM_HAS_RANGE_FOR
# error “GLM_GTX_range requires C++11 suppport or ‘range for'”
#endif
#include “../gtc/type_ptr.hpp”
namespace glm{
namespace detail
{
/* The glm types provide a .length() member, but for matrices
this only defines the number of columns, so we need to work around this */
template
detail::component_count_t number_of_elements_(tvec2
return detail::component_count(v);
}
template
detail::component_count_t number_of_elements_(tvec3
return detail::component_count(v);
}
template
detail::component_count_t number_of_elements_(tvec4
return detail::component_count(v);
}
template
detail::component_count_t number_of_elements_(genType const & m){
return detail::component_count(m) * detail::component_count(m[0]);
}
}//namespace
/// @addtogroup gtx_range
/// @{
template
const typename genType::value_type * begin(genType const & v){
return value_ptr(v);
}
template
const typename genType::value_type * end(genType const & v){
return begin(v) + detail::number_of_elements_(v);
}
template
typename genType::value_type * begin(genType& v){
return value_ptr(v);
}
template
typename genType::value_type * end(genType& v){
return begin(v) + detail::number_of_elements_(v);
}
/// @}
}//namespace glm