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autotest: use percentage error when determining if z is preserved 

floating point storage means an absolute error doesn't work
This commit is contained in:
Peter Barker 2023-01-14 12:03:41 +11:00 committed by Peter Barker
parent 08f652fe2c
commit b441c24eaa
1 changed files with 7 additions and 3 deletions
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10
Tools/autotest/common.py
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@ -4241,9 +4241,13 @@ class AutoTest(ABC):
raise NotAchievedException("Frame not same (got=%s want=%s)" % raise NotAchievedException("Frame not same (got=%s want=%s)" %
(self.string_for_frame(downloaded_item_val), (self.string_for_frame(downloaded_item_val),
self.string_for_frame(item_val))) self.string_for_frame(item_val)))
if abs(item.z - downloaded_item.z) > 1.0E-3: # error should be less than 1 mm if downloaded_item.z == 0:
raise NotAchievedException("Z not preserved (got=%f want=%f)" % delta = abs(item.z)
(downloaded_item.z, item.z)) else:
delta = 1 - abs(item.z / downloaded_item.z)
if delta > 0.01: # error should be less than 1 mm, but float precision issues in Python...
raise NotAchievedException("Z not preserved (got=%f want=%f delta=%f%%)" %
(downloaded_item.z, item.z, delta))
def check_fence_items_same(self, want, got, strict=True): def check_fence_items_same(self, want, got, strict=True):
check_atts = ['mission_type', 'command', 'x', 'y', 'seq', 'param1'] check_atts = ['mission_type', 'command', 'x', 'y', 'seq', 'param1']