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round results of sin and cos functions because there is no possible

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float-point value of radians which cos will exactly 0.
This commit is contained in:
homm 2016-06-02 11:24:45 +03:00
parent 8203a43d26
commit 7687ce829e
1 changed files with 3 additions and 3 deletions
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6
PIL/Image.py
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@ -1583,10 +1583,10 @@ class Image(object):
if expand: if expand:
import math import math
angle = -angle * math.pi / 180 angle = - math.radians(angle)
matrix = [ matrix = [
math.cos(angle), math.sin(angle), 0.0, round(math.cos(angle), 15), round(math.sin(angle), 15), 0.0,
-math.sin(angle), math.cos(angle), 0.0 round(-math.sin(angle), 15), round(math.cos(angle), 15), 0.0
] ]
def transform(x, y, matrix=matrix): def transform(x, y, matrix=matrix):