小编The*_*lou的帖子

我正在尝试使用cpowwithr并且我收到一个语法错误，告诉我在r. 阅读文档后，我仍然对我做错了什么感到困惑？

#include <math.h>
#include <complex.h>

float area(double r)
{
    r = (1 - r / 1.83) * 1.25;
    double complex z = cpow(r, .2); // i get an error here on the letter r saying missing colon (;)
    return r;

}




    int main()
    {
        float a,r;

        double radius, sum = 0;
        char continu[20];

        // the body of the loop is executed at least once
        do
        {
            float a,r;

            printf("Enter a number: ");
            printf("enter …