range.hpp

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#pragma once

// Dependencies
#include "../detail/setup.hpp"

#ifndef GLM_ENABLE_EXPERIMENTAL
#   error "GLM: GLM_GTX_range is an experimental extension and may change in the future. Use #define GLM_ENABLE_EXPERIMENTAL before including it, if you really want to use it."
#endif

#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
{

#   if GLM_COMPILER & GLM_COMPILER_VC
#       pragma warning(push)
#       pragma warning(disable : 4100) // unreferenced formal parameter
#   endif

    template<typename T, qualifier Q>
    inline length_t components(vec<1, T, Q> const& v)
    {
        return v.length();
    }

    template<typename T, qualifier Q>
    inline length_t components(vec<2, T, Q> const& v)
    {
        return v.length();
    }

    template<typename T, qualifier Q>
    inline length_t components(vec<3, T, Q> const& v)
    {
        return v.length();
    }

    template<typename T, qualifier Q>
    inline length_t components(vec<4, T, Q> 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);
    }

#   if GLM_COMPILER & GLM_COMPILER_VC
#       pragma warning(pop)
#   endif

}//namespace glm