本文实例讲述了C语言实现直角坐标转换为极坐标的方法。分享给大家供大家参考，具体如下：

#include<stdio.h>#include<math.h>struct complex_s{ double x,y;};double real_part(struct complex_s z){ return z.x;}double img_part(struct complex_s z){ return z.y;}double magnitude(struct complex_s z){ return sqrt(z.x*z.x + z.y*z.y);}double angle(struct complex_s z){ return atan2(z.y, z.x);}struct complex_s make_from_real_img(double x, double y){ struct complex_s z; z.x = x; z.y = y; return z;}struct complex_s make_from_mag_ang(double r, double A){ struct complex_s z; z.x = r * cos(A); z.y = r * sin(A); return z;}struct complex_s add_complex(struct complex_s z1,struct complex_s z2){ return make_from_real_img(real_part(z1)+real_part(z2), img_part(z1) + img_part(z2));}struct complex_s sub_complex(struct complex_s z1,struct complex_s z2){ return make_from_real_img(real_part(z1)-real_part(z2), img_part(z1) - img_part(z2));}struct complex_s mul_complex(struct complex_s z1,struct complex_s z2){ return make_from_mag_ang(real_part(z1)*real_part(z2), img_part(z1) + img_part(z2));}struct complex_s div_complex(struct complex_s z1,struct complex_s z2){ return make_from_mag_ang(real_part(z1)/real_part(z2), img_part(z1) + img_part(z2));}int main(void){ struct complex_s z1 = {3.0,4.0}; struct complex_s z2= {2.0,5.0}; struct complex_s x; x = add_complex(z1,z2); printf("x={%f,%f}",x.x,x.y); return 0;}

结果：

[root@localhost struct]# ./jizuobiao.outx={5.000000,9.000000}

希望本文所述对大家C语言程序设计有所帮助。