I think that, so long as the number is less than zero && the number rounds to zero, then we get a leading "-0". Hence: 
C:\C>perl -e "printf \"%0.2f\", -0.0049"
-0.00

C:\C>perl -e "printf \"%.0f\", -0.499"
-0

[download]
Cheers,
Rob

In reply to Re^3: Why is Zero not 0? by syphilis
in thread Why is Zero not 0? by jluther

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