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Allow a custom epsilon for value comparisons in tests

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baldurk
2019-07-25 12:25:40 +01:00
parent 81cfbc60da
commit dbd8a99a61
1 changed files with 4 additions and 4 deletions
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util/test/rdtest/util.py
+4 -4
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@@ -240,7 +240,7 @@ def zip_compare(test_file: str, ref_file: str):
FLT_EPSILON = 2.0*1.19209290E-07
def value_compare(ref, data):
def value_compare(ref, data, eps=FLT_EPSILON):
if type(ref) == float:
if type(data) != float:
return False
@@ -259,7 +259,7 @@ def value_compare(ref, data):
# Floats are equal if the absolute difference is less than epsilon times the largest.
largest = max(abs(ref), abs(data))
eps = largest * FLT_EPSILON if largest > 1.0 else FLT_EPSILON
eps = largest * eps if largest > 1.0 else eps
return abs(ref-data) < eps
elif type(ref) == list or type(ref) == tuple:
# tuples and lists can be treated interchangeably
@@ -271,7 +271,7 @@ def value_compare(ref, data):
return False
for i in range(len(ref)):
if not value_compare(ref[i], data[i]):
if not value_compare(ref[i], data[i], eps):
return False
return True
@@ -285,7 +285,7 @@ def value_compare(ref, data):
return False
for i in ref.keys():
if not value_compare(ref[i], data[i]):
if not value_compare(ref[i], data[i], eps):
return False
return True