/// @ref gtx_norm | |
/// @file glm/gtx/norm.inl | |
#include "../detail/precision.hpp" | |
namespace glm{ | |
namespace detail | |
{ | |
template <template <typename, precision> class vecType, typename T, precision P, bool Aligned> | |
struct compute_length2 | |
{ | |
GLM_FUNC_QUALIFIER static T call(vecType<T, P> 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 <typename T, precision P, template <typename, precision> class vecType> | |
GLM_FUNC_QUALIFIER T length2(vecType<T, P> const & v) | |
{ | |
GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'length2' accepts only floating-point inputs"); | |
return detail::compute_length2<vecType, T, P, detail::is_aligned<P>::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 <typename T, precision P, template <typename, precision> class vecType> | |
GLM_FUNC_QUALIFIER T distance2(vecType<T, P> const & p0, vecType<T, P> const & p1) | |
{ | |
GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'distance2' accepts only floating-point inputs"); | |
return length2(p1 - p0); | |
} | |
template <typename T, precision P> | |
GLM_FUNC_QUALIFIER T l1Norm | |
( | |
tvec3<T, P> const & a, | |
tvec3<T, P> const & b | |
) | |
{ | |
return abs(b.x - a.x) + abs(b.y - a.y) + abs(b.z - a.z); | |
} | |
template <typename T, precision P> | |
GLM_FUNC_QUALIFIER T l1Norm | |
( | |
tvec3<T, P> const & v | |
) | |
{ | |
return abs(v.x) + abs(v.y) + abs(v.z); | |
} | |
template <typename T, precision P> | |
GLM_FUNC_QUALIFIER T l2Norm | |
( | |
tvec3<T, P> const & a, | |
tvec3<T, P> const & b | |
) | |
{ | |
return length(b - a); | |
} | |
template <typename T, precision P> | |
GLM_FUNC_QUALIFIER T l2Norm | |
( | |
tvec3<T, P> const & v | |
) | |
{ | |
return length(v); | |
} | |
template <typename T, precision P> | |
GLM_FUNC_QUALIFIER T lxNorm | |
( | |
tvec3<T, P> const & x, | |
tvec3<T, P> const & y, | |
unsigned int Depth | |
) | |
{ | |
return pow(pow(y.x - x.x, T(Depth)) + pow(y.y - x.y, T(Depth)) + pow(y.z - x.z, T(Depth)), T(1) / T(Depth)); | |
} | |
template <typename T, precision P> | |
GLM_FUNC_QUALIFIER T lxNorm | |
( | |
tvec3<T, P> const & v, | |
unsigned int Depth | |
) | |
{ | |
return pow(pow(v.x, T(Depth)) + pow(v.y, T(Depth)) + pow(v.z, T(Depth)), T(1) / T(Depth)); | |
} | |
}//namespace glm |