include / quat-

quat-calc.hpp File Reference

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Functions

double abs (const quat &q)

double norm (const quat &q)

quat normal (const quat &q)

quat inv (const quat &q)

Function Documentation

double abs ( const quat & q ) [inline]

return abs
Definition at line 18 of file quat-calc.hpp.
Referenced by normal().
00019 { 00020 return std::sqrt(q.x*q.x +q.y*q.y +q.z*q.z +q.r*q.r); 00021 }

double norm ( const quat & q ) [inline]

return norm
Definition at line 25 of file quat-calc.hpp.
Referenced by inv().
00026 { 00027 return q.x*q.x +q.y*q.y +q.z*q.z +q.r*q.r; 00028 }

quat normal ( const quat & q ) [inline]

return the normalized quat
Definition at line 32 of file quat-calc.hpp.
References abs().
Referenced by vt2q().
00033 { 00034 double abs_q(abs(q)); 00035 return quat( q.x/abs_q, q.y/abs_q, q.z/abs_q, q.r/abs_q ); 00036 }

quat inv ( const quat & q ) [inline]

return the inverse quat
Definition at line 44 of file quat-calc.hpp.
References conj(), and norm().
00045 { 00046 return conj(q)/norm(q); 00047 }

Generated on Tue Mar 15 16:02:38 2005 for QVM by

1.4.1


Functions
double	abs (const quat &q)
double	norm (const quat &q)
quat	normal (const quat &q)
quat	inv (const quat &q)