quat_rotmat Subroutine

public subroutine quat_rotmat(q, rotmat)

Returns the rotation matrix corresponding to a unit quaternion.

Arguments

Type	Intent	Optional	Attributes		Name
real(kind=rp),	intent(in),		dimension(4)	::	q	Unit quaternion.
real(kind=rp),	intent(out),		dimension(3,3)	::	rotmat	Rotation matrix.