range.hpp

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#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 <typename T, precision P>
        detail::component_count_t number_of_elements_(tvec2<T, P> const & v){
                return detail::component_count(v);
        }

        template <typename T, precision P>
        detail::component_count_t number_of_elements_(tvec3<T, P> const & v){
                return detail::component_count(v);
        }

        template <typename T, precision P>
        detail::component_count_t number_of_elements_(tvec4<T, P> const & v){
                return detail::component_count(v);
        }

        template <typename genType>
        detail::component_count_t number_of_elements_(genType const & m){
                return detail::component_count(m) * detail::component_count(m[0]);
        }
}//namespace


        template <typename genType>
        const typename genType::value_type * begin(genType const & v){
                return value_ptr(v);
        }

        template <typename genType>
        const typename genType::value_type * end(genType const & v){
                return begin(v) + detail::number_of_elements_(v);
        }

        template <typename genType>
        typename genType::value_type * begin(genType& v){
                return value_ptr(v);
        }

        template <typename genType>
        typename genType::value_type * end(genType& v){
                return begin(v) + detail::number_of_elements_(v);
        }

}//namespace glm