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Mail Archives: djgpp/2008/02/22/02:45:20

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From: Martin Ambuhl <mambuhl AT earthlink DOT net>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: double
Date: Fri, 22 Feb 2008 02:32:20 -0500
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Sterten AT aol DOT com wrote:
> double x;
> int main(int argc,char*argv[]){  
> x=1.23;
> printf("x=%13.12Lf\n",x);
> }
>  
> prints x=0.000000000000 instead of x=1.230000000000
> what's wrong ?

"%Lf" is the specifier for a long double without exponent.
x is not a long double; it is a double.
"%f" is the printf specifier for a double without exponent (the scanf 
specifier "%lf" is acceptable for printf under the C99 standard).

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