浮点数保存带小数点的值。以下代码是浮点值的示例:

#include <stdio.h> 

int main(void) 
{ 
    float f = 1.5;
    printf("%f\n",f);
    f = 0.00008;
    printf("%f\n",f);
    f = 100.0;
    printf("%f\n",f);

    return 0;
}