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Do not try and save signed integer output, improved signed checks for tif.

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This commit is contained in:
Steven Silvester
2014-10-08 22:42:51 -05:00
parent 047650ce38
commit bae672f34b
2 changed files with 18 additions and 10 deletions
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skimage/_shared/testing.py
+14 -4
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@@ -119,8 +119,13 @@ def ubyte_check(plugin, fmt='png'):
testing.assert_allclose(r3, img)
img4 = img_as_int(img)
r4 = roundtrip(img4, plugin, fmt)
testing.assert_allclose(r4, img)
if fmt.lower() in (('tif', 'tiff')):
img4 -= 100
r4 = roundtrip(img4, plugin, fmt)
testing.assert_allclose(r4, img4)
else:
r4 = roundtrip(img4, plugin, fmt)
testing.assert_allclose(r4, img_as_ubyte(img4))
img5 = img_as_uint(img)
r5 = roundtrip(img5, plugin, fmt)
@@ -150,8 +155,13 @@ def full_range_check(plugin, fmt='png'):
testing.assert_allclose(r3, img_as_uint(img))
img4 = img_as_int(img)
r4 = roundtrip(img4, plugin, fmt)
testing.assert_allclose(r4, img4)
if fmt.lower() in (('tif', 'tiff')):
img4 -= 100
r4 = roundtrip(img4, plugin, fmt)
testing.assert_allclose(r4, img4)
else:
r4 = roundtrip(img4, plugin, fmt)
testing.assert_allclose(r4, img_as_uint(img4))
img5 = img_as_uint(img)
r5 = roundtrip(img5, plugin, fmt)