Dev-C++ Sourece Code(*Omitted include) int main() { double x = 2.5,y = 1.9,z = 0.5,x1 = 0.0,y1 = 0.0; //宣告變數及初始值。 ... if (FilePoint != NULL) printf("Open file is OK! \n"); else printf("Open file is error! \n"); for ( a = 1 ; a <= 10000 ; a++ ) //公式運算點。
http://www.wretch.cc/blog/f46515072000/10949272