Use log(2) instead of log10(2)

This commit is contained in:
Christoph Gohlke
2013-02-24 09:01:09 -08:00
parent 27b837b799
commit 2e230c70c0
+1 -1
View File
@@ -279,7 +279,7 @@ cdef inline np.uint8_t kernel_entropy(Py_ssize_t * histo, float pop,
for i in range(256):
p = histo[i] / pop
if p > 0:
e -= p * log(p) / 0.30102999566398119521373889472449
e -= p * log(p) / 0.6931471805599453
return < np.uint8_t > e * 10
else: