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DAMASK_EICMD
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WIP: vectorizing

This commit is contained in:
Martin Diehl 2020-05-03 07:30:09 +02:00
parent c241eaec15
commit 5d4b554b00
1 changed files with 20 additions and 0 deletions
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20
python/damask/_rotation.py
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@ -1092,6 +1092,13 @@ class Rotation:
return cu
else:
q2 = qxy + np.max(np.abs(xyz2))**2
sq2 = np.sqrt(q2)
q = (_beta/np.sqrt(2.0)/_R1) * np.sqrt(q2*qxy/(q2-np.max(np.abs(xyz2))*sq2))
tt = np.clip((np.min(np.abs(xyz2))**2+np.max(np.abs(xyz2))*sq2)/np.sqrt(2.0)/qxy,-1.0,1.0)
Tinv = np.array([1.0,np.arccos(tt)/np.pi*12.0]) if np.abs(xyz2[1]) <= np.abs(xyz2[0]) else \
np.array([np.arccos(tt)/np.pi*12.0,1.0])
Tinv = q * np.where(xyz2<0.0,-Tinv,Tinv)
raise NotImplementedError('Support for multiple rotations missing')
@ -1164,6 +1171,19 @@ class Rotation:
return ho
else:
# get pyramide and scale by grid parameter ratio
XYZ = cu[Rotation._get_order(cu,'forward')] * _sc
order = np.where(np.abs(XYZ[...,1]) <= np.abs(XYZ[...,0]),
np.broadcast_to([1,0],XYZ.shape[:-1]+(2,)),
np.broadcast_to([0,1],XYZ.shape[:-1]+(2,)))
q = np.pi/12.0 * XYZ[order[...,0]]/XYZ[order[...,1]]
c = np.cos(q)
s = np.sin(q)
q = _R1*2.0**0.25/_beta * XYZ[order[...,1]] / np.sqrt(np.sqrt(2.0)-c)
T = np.block([ (np.sqrt(2.0)*c - 1.0), np.sqrt(2.0) * s]) * q
s = c * np.pi/24.0 /XYZ[...,2]**2
c = c * np.sqrt(np.pi/24.0)/XYZ[...,2]
q = np.sqrt( 1.0 - s )
raise NotImplementedError('Support for multiple rotations missing')
@staticmethod