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perform cyclic check for hue in test_rgb2hsv #2477

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Merged
merged 2 commits into from
Jul 16, 2020
Merged

perform cyclic check for hue in test_rgb2hsv #2477

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7885f46
perform cyclic check for hue in test_rgb2hsv
KushajveerSingh Jul 15, 2020
a3066b7
address linter issues
KushajveerSingh Jul 16, 2020
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9 changes: 8 additions & 1 deletion test/test_functional_tensor.py
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
import unittest
import random
import colorsys
import math

from PIL import Image
from PIL.Image import NEAREST, BILINEAR, BICUBIC
Expand Down Expand Up @@ -114,7 +115,13 @@ def test_rgb2hsv(self):

colorsys_img = torch.tensor(hsv, dtype=torch.float32)

max_diff = (colorsys_img - ft_hsv_img).abs().max()
ft_hsv_img_h, ft_hsv_img_sv = torch.split(ft_hsv_img, [1, 2], dim=1)
colorsys_img_h, colorsys_img_sv = torch.split(colorsys_img, [1, 2], dim=1)

max_diff_h = ((colorsys_img_h * 2 * math.pi).sin() - (ft_hsv_img_h * 2 * math.pi).sin()).abs().max()
max_diff_sv = (colorsys_img_sv - ft_hsv_img_sv).abs().max()
max_diff = max(max_diff_h, max_diff_sv)

self.assertLess(max_diff, 1e-5)

def test_adjustments(self):
Expand Down