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force larger output dtype to avoid overflow on 32 bit #56

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Sep 25, 2014
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force larger output dtype to avoid overflow on 32 bit #56

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force larger output dtype to avoid overflow on 32 bit
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@esc
esc committed Sep 18, 2014
commit 23fad32b7c01c90259cb3232785c8618c46624f9
3 changes: 2 additions & 1 deletion bcolz/tests/test_ctable.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1321,7 +1321,8 @@ def test02(self):
l, s = 0, 0.
for block in bcolz.iterblocks(t, blen, blen - 1):
l += len(block)
s += block['f1'].sum()
# f8 is to small to hold the sum on 32 bit
s += block['f1'].sum(dtype='f16')
self.assertEqual(l, (N - (blen - 1)))
self.assertEqual(s, (np.arange(blen - 1, N, dtype='f8') * 2).sum())

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