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tests/float: Adjust float-parsing tests to pass with only a small error. 

Float parsing (both single and double precision) may have a relative error
of order the floating point precision, so adjust tests to take this into
account by not printing all of the digits of the answer.
pull/1/head
Damien George 2018-02-26 15:54:03 +11:00
parent 4c2230add8
commit 6dad088569
2 changed files with 5 additions and 6 deletions
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5
tests/float/float_parse.py
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@ -7,9 +7,8 @@ print(float('1234') - float('0.1234e4'))
print(float('1.015625') - float('1015625e-6'))
# very large integer part with a very negative exponent should cancel out
print(float('9' * 60 + 'e-60'))
print(float('9' * 60 + 'e-40'))
print(float('9' * 60 + 'e-20') == float('1e40'))
print('%.4e' % float('9' * 60 + 'e-60'))
print('%.4e' % float('9' * 60 + 'e-40'))
# many fractional digits
print(float('.' + '9' * 70))

6
tests/float/float_parse_doubleprec.py
View File

@ -11,9 +11,9 @@ print(float('.' + '9' * 400 + 'e100'))
print(float('.' + '9' * 400 + 'e-100'))
# tiny fraction with large exponent
print(float('.' + '0' * 400 + '9e100'))
print(float('.' + '0' * 400 + '9e200'))
print(float('.' + '0' * 400 + '9e400'))
print('%.14e' % float('.' + '0' * 400 + '9e100'))
print('%.14e' % float('.' + '0' * 400 + '9e200'))
print('%.14e' % float('.' + '0' * 400 + '9e400'))
# ensure that accuracy is retained when value is close to a subnormal
print(float('1.00000000000000000000e-307'))