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Small memory gain: default type of interp table to be complex64 #20

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Small memory gain: default type of interp table to be complex64 #20

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2cade42
changed the default table type to be complex64 in order to gain in me…
zaccharieramzi Jul 16, 2020
0ae893f
corrected table type change cos list
zaccharieramzi Jul 16, 2020
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changed the default table type to be complex64 in order to gain in me… 
…mory
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@zaccharieramzi
zaccharieramzi committed Jul 16, 2020
commit 2cade421497b741fdb94864e47830fdc98973550
4 changes: 2 additions & 2 deletions tfkbnufft/kbnufft.py
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Original file line number Diff line number Diff line change
Expand Up @@ -38,7 +38,7 @@ class KbNufftModule(KbModule):

def __init__(self, im_size, grid_size=None, numpoints=6, n_shift=None,
table_oversamp=2**10, kbwidth=2.34, order=0, norm='None',
coil_broadcast=False, matadj=False):
coil_broadcast=False, matadj=False, table_dtype=np.complex64):
super(KbNufftModule, self).__init__()

self.im_size = im_size
Expand Down Expand Up @@ -82,7 +82,7 @@ def __init__(self, im_size, grid_size=None, numpoints=6, n_shift=None,
order=self.order,
alpha=self.alpha
)
self.table = table
self.table = table.astype(table_dtype)
assert len(self.table) == len(self.im_size)

scaling_coef = compute_scaling_coefs(
Expand Down