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DAMASK_EICMD
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avoid overhead 

length of random quaternion is one, no need to go via fromQuaternion but
direct initialization and standardization suffices
This commit is contained in:
Martin Diehl 2020-01-14 10:22:51 +01:00
parent 8e5aa60f34
commit 06fc374359
1 changed files with 4 additions and 5 deletions
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9
python/damask/orientation.py
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@ -399,11 +399,10 @@ class Rotation:
r = np.random.random(3) r = np.random.random(3)
A = np.sqrt(r[2]) A = np.sqrt(r[2])
B = np.sqrt(1.0-r[2]) B = np.sqrt(1.0-r[2])
w = np.cos(2.0*np.pi*r[0])*A return Rotation(np.array([np.cos(2.0*np.pi*r[0])*A,
x = np.sin(2.0*np.pi*r[1])*B np.sin(2.0*np.pi*r[1])*B,
y = np.cos(2.0*np.pi*r[1])*B np.cos(2.0*np.pi*r[1])*B,
z = np.sin(2.0*np.pi*r[0])*A np.sin(2.0*np.pi*r[0])*A])).standardize()
return Rotation.fromQuaternion([w,x,y,z],acceptHomomorph=True)