diff options
Diffstat (limited to 'tests/float/float_format.py')
| -rw-r--r-- | tests/float/float_format.py | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/tests/float/float_format.py b/tests/float/float_format.py index 4c8a217567..98ed0eb096 100644 --- a/tests/float/float_format.py +++ b/tests/float/float_format.py @@ -17,3 +17,11 @@ print("%.2e" % float("9" * 40 + "e-21")) # check a case that would render negative digit values, eg ")" characters # the string is converted back to a float to check for no illegal characters float("%.23e" % 1e-80) + +# Check a problem with malformed "e" format numbers on the edge of 1.0e-X. +for r in range(38): + s = "%.12e" % float("1e-" + str(r)) + # It may format as 1e-r, or 9.999...e-(r+1), both are OK. + # But formatting as 0.999...e-r is NOT ok. + if s[0] == "0": + print("FAIL:", s) |