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use round rather than floor

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John Evans 2014-09-28 12:43:57 -04:00
commit 56042efd98
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glymur/jp2k.py
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@ -833,7 +833,7 @@ class Jp2k(Jp2kBox):
step = rows_step
# Check if the step size is a power of 2.
if np.abs(np.log2(step) - np.floor(np.log2(step))) > 1e-6:
if np.abs(np.log2(step) - np.round(np.log2(step))) > 1e-6:
msg = "Row and column strides must be powers of 2."
raise IndexError(msg)
rlevel = np.int(np.round(np.log2(step)))