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Update.
author
François Fleuret
<francois@fleuret.org>
Wed, 24 May 2023 15:30:54 +0000
(17:30 +0200)
committer
François Fleuret
<francois@fleuret.org>
Wed, 24 May 2023 15:30:54 +0000
(17:30 +0200)
eingather.py
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diff --git
a/eingather.py
b/eingather.py
index
b271100
..
588aacb
100755
(executable)
--- a/
eingather.py
+++ b/
eingather.py
@@
-19,40
+19,27
@@
def eingather(op, src, *indexes):
s_all = "".join([s_src] + s_indexes)
shape = tuple(all_sizes[s_all.index(v)] for v in s_dst)
s_all = "".join([s_src] + s_indexes)
shape = tuple(all_sizes[s_all.index(v)] for v in s_dst)
- idx = []
- n_index = 0
-
- for i in range(src.dim()):
- v = s_src[i]
- if v == "_":
- index, s_index = indexes[n_index], s_indexes[n_index]
- n_index += 1
-
- sub_idx = []
-
- for i in range(index.dim()):
- v = s_index[i]
+ def do(x,s_x):
+ idx = []
+ n_index = 0
+
+ for i in range(x.dim()):
+ v = s_x[i]
+ if v == "_":
+ idx.append(do(indexes[n_index], s_indexes[n_index]))
+ n_index += 1
+ else:
j = s_dst.index(v)
a = (
j = s_dst.index(v)
a = (
- torch.arange(
inde
x.size(i))
+ torch.arange(x.size(i))
.reshape((1,) * j + (-1,) + (1,) * (len(s_dst) - j - 1))
.expand(shape)
)
.reshape((1,) * j + (-1,) + (1,) * (len(s_dst) - j - 1))
.expand(shape)
)
- sub_idx.append(a)
-
- index = index[sub_idx]
- idx.append(index)
- else:
- j = s_dst.index(v)
- a = (
- torch.arange(src.size(i))
- .reshape((1,) * j + (-1,) + (1,) * (len(s_dst) - j - 1))
- .expand(shape)
- )
- idx.append(a)
+ idx.append(a)
-
return src
[idx]
+
return x
[idx]
+ return do(src,s_src)
#######################
#######################