assumed wrong type

quaternion should have lenght one
This commit is contained in:
Martin Diehl 2018-12-09 12:35:32 +01:00
parent 697d97cd38
commit 65165ffc5e
1 changed files with 6 additions and 4 deletions

View File

@ -19,8 +19,10 @@ def check_Eulers(eulers):
return eulers
def check_quaternion(q):
if q.q < 0.0: # positive first quaternion component?
if q[0] < 0.0: # positive first quaternion component?
raise ValueError('quaternion has negative first component.\n{}'.format(q))
if not(np.isclose(np.linalg.norm(q), 1.0)): # unit quaternion?
raise ValueError('quaternion is not of unit length.\n{} {} {} {}'.format(*q))
return q
def check_matrix(M):