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/// @ref gtx_range
/// @file glm/gtx/range.hpp
/// @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).
///
/// <glm/gtx/range.hpp> need to be included to use these functionalities.
#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"
#include "../gtc/vec1.hpp"
namespace glm
{
/// @addtogroup gtx_range
/// @{
template <typename T, precision P>
inline length_t components(tvec1<T, P> const & v)
{
return v.length();
}
template <typename T, precision P>
inline length_t components(tvec2<T, P> const & v)
{
return v.length();
}
template <typename T, precision P>
inline length_t components(tvec3<T, P> const & v)
{
return v.length();
}
template <typename T, precision P>
inline length_t components(tvec4<T, P> const & v)
{
return v.length();
}
template <typename genType>
inline length_t components(genType const & m)
{
return m.length() * m[0].length();
}
template <typename genType>
inline typename genType::value_type const * begin(genType const & v)
{
return value_ptr(v);
}
template <typename genType>
inline typename genType::value_type const * end(genType const & v)
{
return begin(v) + components(v);
}
template <typename genType>
inline typename genType::value_type * begin(genType& v)
{
return value_ptr(v);
}
template <typename genType>
inline typename genType::value_type * end(genType& v)
{
return begin(v) + components(v);
}
/// @}
}//namespace glm
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