floats.c

C Primer Plus(第五版)中文版源码,I hope it will help you much

// floats.c -- some floating-point combinations 
#include <stdio.h>

int main(void)
{
    const double RENT = 3852.99;  // const-style constant 
  
    printf("*%f*\n", RENT);
    printf("*%e*\n", RENT);
    printf("*%4.2f*\n", RENT);
    printf("*%3.1f*\n", RENT);
    printf("*%10.3f*\n", RENT);
    printf("*%10.3e*\n", RENT);
    printf("*%+4.2f*\n", RENT);
    printf("*%010.2f*\n", RENT);
  
    return 0;
}