Name: Sabin

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A small technical doubt in C Programming

October 6th, 2010

A Small technical doubt

Reply if anyone knows

This is a small pgm,Compile in gcc and see the result


#include<stdio.h>
#include<math.h>
int main()
{
float a=0;
printf(“\n %f \n”,a*-1);
printf(“\n %f \n”,abs(a*-1));
return 0;
}

I got the result as follows

-0.000000

-0.000000

Why is it so?

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