>> Specifically, I was referred to how C handles "%0.4f\n".
No width, decimal truncated (rounded? floored? I forgot which it is) to four
digits.
-DrD-
>> printf("%0.4f\n", 56789.456789F);
...
>> 56789.4570
> ^ ^ ^ ^ ^ ^ ^ ^
...
> "A leading zero in the width value is interpreted as the zero-padding flag
> mentioned above […]."
Only if there's a valid width following, which there isn't in the case above.
Try "%016.4" with the above test. Note that the width is the *full* width of
the entire field, including decimal point and following digits.
printf("%016.4f\n", 56789.456789F);
printf("%0.4f\n", 56789.456789F);
Produces:
00000056789.4570
56789.4570
-DrD-
