浙大版《C语言程序设计（第3版）》题目集 习题8-1 拆分实数的整数与小数部分

#include <stdio.h>

void splitfloat( float x, int *intpart, float *fracpart );

int main()
{
    float x, fracpart;
    int intpart;

    scanf("%f", &x);
    splitfloat(x, &intpart, &fracpart);
    printf("The integer part is %d\n", intpart);
    printf("The fractional part is %g\n", fracpart);

    return 0;
}

/* 你的代码将被嵌在这里 */

void splitfloat( float x, int *intpart, float *fracpart )
{
  *intpart=(int)x;
  *fracpart=x-(int)x;
}