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quath.h File Reference
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Classes

class  GfQuath
 Basic type: a quaternion, a complex number with a real coefficient and three imaginary coefficients, stored as a 3-vector. More...
 

Functions

GfHalf GfDot (const GfQuath &q1, const GfQuath &q2)
 Return the dot (inner) product of two quaternions. More...
 
GF_API GfQuath GfSlerp (double alpha, const GfQuath &q0, const GfQuath &q1)
 Spherically linearly interpolate between q0 and q1. More...
 
GF_API GfQuath GfSlerp (const GfQuath &q0, const GfQuath &q1, double alpha)
 
GF_API std::ostream & operator<< (std::ostream &, GfQuath const &)
 Output a GfQuatd using the format (re, i, j, k) More...
 

Function Documentation

GfHalf GfDot ( const GfQuath q1,
const GfQuath q2 
)
inline

Return the dot (inner) product of two quaternions.

Definition at line 269 of file quath.h.

GF_API GfQuath GfSlerp ( double  alpha,
const GfQuath q0,
const GfQuath q1 
)

Spherically linearly interpolate between q0 and q1.

If the interpolant alpha is zero, then the result is q0, while alpha of one yields q1.