printf2.c

C源码集

#include <stdio.h>
#include <float.h>

int main (void)
{
	double f = 3.1416, g = 1.2e-5, h = 5000000000.0;

	printf("Using lf: f= %lf \t g= %lf \t h= %lf \n", f, g, h);
	printf("Using le: f= %le \t g= %le \t h= %le \n", f, g, h);
	printf("Using lg: f= %lg \t g= %lg \t h= %lg \n", f, g, h);

   /* using a variety of set width formats */
	printf("Assorted: f= %7.2lf \t g= %.2le \t h= %.4lg \n", f, g, h);

	return 0;
}