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SGVec2.hxx SGVec3.hxx SGVec4.hxx: Add inf norm function
This commit is contained in:
frohlich
2006-12-02 15:57:55 +00:00
parent aef2a1c484
commit bd3518637c
3 changed files with 21 additions and 0 deletions
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7
simgear/math/SGVec2.hxx
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@@ -267,6 +267,13 @@ T
norm1(const SGVec2<T>& v)
{ return fabs(v(0)) + fabs(v(1)); }
/// The inf-norm of the vector
template<typename T>
inline
T
normI(const SGVec2<T>& v)
{ return SGMisc<T>::max(fabs(v(0)), fabs(v(1))); }
/// The euclidean norm of the vector, that is what most people call length
template<typename T>
inline

7
simgear/math/SGVec3.hxx
View File

@@ -346,6 +346,13 @@ T
norm1(const SGVec3<T>& v)
{ return fabs(v(0)) + fabs(v(1)) + fabs(v(2)); }
/// The inf-norm of the vector
template<typename T>
inline
T
normI(const SGVec3<T>& v)
{ return SGMisc<T>::max(fabs(v(0)), fabs(v(1)), fabs(v(2))); }
/// Vector cross product
template<typename T>
inline

7
simgear/math/SGVec4.hxx
View File

@@ -314,6 +314,13 @@ T
norm1(const SGVec4<T>& v)
{ return fabs(v(0)) + fabs(v(1)) + fabs(v(2)) + fabs(v(3)); }
/// The inf-norm of the vector
template<typename T>
inline
T
normI(const SGVec4<T>& v)
{ return SGMisc<T>::max(fabs(v(0)), fabs(v(1)), fabs(v(2)), fabs(v(2))); }
/// The euclidean norm of the vector, that is what most people call length
template<typename T>
inline