我正在尝试为哈佛大学完成CS50x的习题集1,并且在我的程序中遇到过一种错误。它向我抛出一个浮点异常错误;我已经研究了这一点,它似乎主要是当你试图除以零时引起的。现在,当我查看我的代码时,我似乎无法找到一个变量甚至等于零的地方,更不用说被零除。无法解决浮点异常
#include <stdio.h>
#include <cs50.h>
int changeF(change, div)
{
int c = change/div;
return c;
}
int main(void)
{
printf("Enter the bill amount:");
float bill = GetFloat();
printf("Enter the payment amount:");
float payment = GetFloat();
float q = .25; float di = .1; float n = .05; float p = .01;
float change = payment - bill;
do
{
if (bill >= 0 && payment >= 0 && change >= 0)
{
if (change >= q)
{
float quarters = changeF(change, q);
printf("%f quarters", quarters);
change = change - (.25*quarters);
}
if (change >= di)
{
float dimes = changeF(change, di);
printf("%f dimes", dimes);
change = change - (.1*dimes);
}
if (change >= n)
{
float nickels = changeF(change, n);
printf("%f nickels", nickels);
change = change - (.05*nickels);
}
if (change >= p)
{
float pennies = changeF(change, p);
printf("%f pennies", pennies);
change = change - (.01*pennies);
}
}
}
while (change > 0);
}