ave2f.c

书名:C语言科学与艺术,以前交钱下载的

/*
 * File: ave2f.c
 * -------------
 * This program reads in two floating-point numbers and
 * computes their average.
 */

#include <stdio.h>
#include "genlib.h"
#include "simpio.h"

main()
{
    double n1, n2, average;

    printf("This program averages two floating-point numbers.\n");
    printf("1st number? ");
    n1 = GetReal();
    printf("2nd number? ");
    n2 = GetReal();
    average = (n1 + n2) / 2;
    printf("The average is %g\n", average);
}