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Take the absolute vaue of the components to avoid possible negative norm values.

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This commit is contained in:
Liam Adams 2019-07-19 17:53:19 +01:00
parent 947527d3ac
commit 7d20bc8104
1 changed files with 2 additions and 2 deletions
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4
glm/gtx/norm.inl
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@ -71,13 +71,13 @@ namespace detail
template<typename T, qualifier Q> 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) GLM_FUNC_QUALIFIER T lxNorm(vec<3, T, Q> const& x, vec<3, T, Q> 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)); 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> template<typename T, qualifier Q>
GLM_FUNC_QUALIFIER T lxNorm(vec<3, T, Q> const& v, unsigned int Depth) GLM_FUNC_QUALIFIER T lxNorm(vec<3, T, Q> 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)); return pow(pow(abs(v.x), T(Depth)) + pow(abs(v.y), T(Depth)) + pow(abs(v.z), T(Depth)), T(1) / T(Depth));
} }
}//namespace glm }//namespace glm