include / vec-

vec-misc.hpp File Reference

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Functions

quat vr2q (const vec &v, const double &_r)

quat vt2q (const vec &v, const double &theta)

void swap (vec &v1, vec &v2)

Function Documentation

quat vr2q ( const vec & v,

const double & _r

) [inline]

return quat from vec and real
Definition at line 3 of file vec-misc.hpp.
Referenced by orbit(), and rotate().
00004 { 00005 return quat(v.x, v.y, v.z, _r); 00006 }

quat vt2q ( const vec & v,

const double & theta

) [inline]

return quat from vec and angle
Definition at line 10 of file vec-misc.hpp.
References normal(), vec::x, vec::y, and vec::z.
00011 { 00012 vec n(normal(v)); 00013 double sin_theta_half(std::sin(0.5*theta)); 00014 return quat( n.x*sin_theta_half, n.y*sin_theta_half, n.z*sin_theta_half, 00015 std::cos(0.5*theta) ); 00016 }

void swap ( vec & v1,

vec & v2

) [inline]

swap two vecs
Definition at line 24 of file vec-misc.hpp.
00025 { 00026 vec _v1(v1); 00027 v1 = v2; 00028 v2 =_v1; 00029 }

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

1.4.1


Functions
quat	vr2q (const vec &v, const double &_r)
quat	vt2q (const vec &v, const double &theta)
void	swap (vec &v1, vec &v2)