norm.inl

 
 
#include "../detail/qualifier.hpp"
 
namespace glm{
namespace detail
{
    template<length_t L, typename T, qualifier Q, bool Aligned>
    struct compute_length2
    {
        GLM_FUNC_QUALIFIER static T call(vec<L, T, Q> const& v)
        {
            return dot(v, v);
        }
    };
}//namespace detail
 
    template<typename genType>
    GLM_FUNC_QUALIFIER genType length2(genType x)
    {
        GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'length2' accepts only floating-point inputs");
        return x * x;
    }
 
    template<length_t L, typename T, qualifier Q>
    GLM_FUNC_QUALIFIER T length2(vec<L, T, Q> const& v)
    {
        GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'length2' accepts only floating-point inputs");
        return detail::compute_length2<L, T, Q, detail::is_aligned<Q>::value>::call(v);
    }
 
    template<typename T>
    GLM_FUNC_QUALIFIER T distance2(T p0, T p1)
    {
        GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'distance2' accepts only floating-point inputs");
        return length2(p1 - p0);
    }
 
    template<length_t L, typename T, qualifier Q>
    GLM_FUNC_QUALIFIER T distance2(vec<L, T, Q> const& p0, vec<L, T, Q> const& p1)
    {
        GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'distance2' accepts only floating-point inputs");
        return length2(p1 - p0);
    }
 
    template<typename T, qualifier Q>
    GLM_FUNC_QUALIFIER T l1Norm(vec<3, T, Q> const& a, vec<3, T, Q> const& b)
    {
        return abs(b.x - a.x) + abs(b.y - a.y) + abs(b.z - a.z);
    }
 
    template<typename T, qualifier Q>
    GLM_FUNC_QUALIFIER T l1Norm(vec<3, T, Q> const& v)
    {
        return abs(v.x) + abs(v.y) + abs(v.z);
    }
 
    template<typename T, qualifier Q>
    GLM_FUNC_QUALIFIER T l2Norm(vec<3, T, Q> const& a, vec<3, T, Q> const& b
    )
    {
        return length(b - a);
    }
 
    template<typename T, qualifier Q>
    GLM_FUNC_QUALIFIER T l2Norm(vec<3, T, Q> const& v)
    {
        return length(v);
    }
 
    template<typename T, qualifier Q>
    GLM_FUNC_QUALIFIER T lxNorm(vec<3, T, Q> const& x, vec<3, T, Q> const& y, unsigned int Depth)
    {
        return pow(pow(abs(y.x - x.x), T(Depth)) + pow(abs(y.y - x.y), T(Depth)) + pow(abs(y.z - x.z), T(Depth)), T(1) / T(Depth));
    }
 
    template<typename T, qualifier Q>
    GLM_FUNC_QUALIFIER T lxNorm(vec<3, T, Q> const& v, unsigned int Depth)
    {
        return pow(pow(abs(v.x), T(Depth)) + pow(abs(v.y), T(Depth)) + pow(abs(v.z), T(Depth)), T(1) / T(Depth));
    }
 
    template<typename T, qualifier Q>
    GLM_FUNC_QUALIFIER T lMaxNorm(vec<3, T, Q> const& a, vec<3, T, Q> const& b)
    {
        return compMax(abs(b - a));
    }
 
    template<typename T, qualifier Q>
    GLM_FUNC_QUALIFIER T lMaxNorm(vec<3, T, Q> const& v)
    {
        return compMax(abs(v));
    }
 
}//namespace glm