def testReturnNan(self):
"""Test values for which log10(value) returns NaN.
Test: NaN, -Inf, and a few negative values.
"""
testValues = (float('nan'), float('-inf'), -1.0, -sys.float_info.max,
-sys.float_info.min)
for value in testValues:
logValue = ctools.fastLog10(value)
self.assertTrue(math.isnan(logValue))
def testReturnDefined(self):
"""Test specific values."""
# Test cases as (value, log10(value))
testCases = (
(0.0, float('-inf')),
(1.0, 0.0),
(float('inf'), float('inf')),
)
for value, refLogValue in testCases:
logValue = ctools.fastLog10(value)
self.assertEqual(logValue, refLogValue)
def testReturnDefined(self):
"""Test specific values."""
# Test cases as (value, log10(value))
testCases = (
(0.0, float('-inf')),
(1.0, 0.0),
(float('inf'), float('inf')),
)
for value, refLogValue in testCases:
logValue = ctools.fastLog10(value)
self.assertEqual(logValue, refLogValue)
def testReturnNan(self):
"""Test values for which log10(value) returns NaN.
Test: NaN, -Inf, and a few negative values.
"""
testValues = (
float('nan'),
float('-inf'),
-1.0,
- sys.float_info.max,
- sys.float_info.min
)
for value in testValues:
logValue = ctools.fastLog10(value)
self.assertTrue(math.isnan(logValue))
