http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48651
kargl at gcc dot gnu.org changed:
What |Removed |Added
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CC| |kargl at gcc dot gnu.org
--- Comment #5 from kargl at gcc dot gnu.org 2011-04-17 23:38:48 UTC ---
(In reply to comment #3)
> (In reply to comment #2)
> > hmm, notice the typo! i have set ldnum to 0.0 but it still is printing the
> > value of dnum. What am I doing wrong.
> >
> > $ cat sprint.c
> > #include <stdio.h>
> >
> > int
> > main ()
> > {
> > float num = 0.9;
> > double dnum = 0.9;
> > long double ldnum = 25.6;
> > printf("%50.48f\n", num);
> > printf("%50.48lf, %d\n", num, sizeof(num));
> > printf("%80.78f\n", dnum);
> > printf("%80.78lf, %d\n", dnum, sizeof(dnum));
> > printf("%80.78f\n", ldnum);
> > printf("%80.78lf, %d\n", ldnum, sizeof(ldnum));
>
> Check your format strings, use "lf" only for long double.
man 3 printf
Modifier a, A, e, E, f, F, g, G
l (ell) double (ignored, same behavior as without it)
L long double
L is for long double. f and lf are essentially identical for double.
