Do you guys know what is the problem?

Question

I can't understand why it still have problems
maybe it is about "exception" but dont know how to fix it
https://code.sololearn.com/c6CooBJ67Ml3/?ref=app

Answer 1

Err... You have too many problems with syntax.

Answer 2

i think this will do :)

#include<stdio.h>
#include <math.h>

#define PI 3.14159265358979

double To_radian(double i)
{
return i*PI/180;
}

int main(void)
{
FILE *fp;
int AD=20, Bx=40, By=0, Cx=40, Cy=10, DE=5, PE=10;
int l1=5, l2=5;
double x1, x2, A, B, p1, p2, th1, th2, Vx, Vy, V;
double pre_x1, pre_x2, pre_A, pre_B, pre_th1, pre_th2;
double Px[361], Py[361];
double pre_Px[361], pre_Py[361];
double temp1, temp2, pre_p1, pre_p2,pre_temp1,pre_temp2;

int i=0;
fp=fopen("result.txt", "w");
while(1)
{
//translate theta1,2
th1=To_radian(i);
pre_th1=To_radian(i-0.001);
th2=To_radian(2*i-45);
pre_th1=To_radian(2*(i-0.001)-45);
temp1=Bx+l2*cos(th2);
pre_temp1=Bx+l2*cos(pre_th2);
temp2=By+l2*sin(th2);
pre_temp2=By+12*sin(pre_th2);

//calculate x2
x2=sqrt(pow(temp1, 2)+pow(temp2, 2))-AD;
pre_x2=sqrt(pow(pre_temp1, 2)+pow(pre_temp2, 2))-AD;
temp1=temp1/(x2+AD);
pre_temp1=pre_temp1/(x2+AD);
temp2=temp2/(x2+AD);
pre_temp2=pre_temp2/(x2+AD);

//calculate p2
p2=atan2(temp2,temp1);
A=Cx+l1*cos(th1)-AD*cos(p2);
B=Cy+l1*sin(th1)-AD*sin(p2);
pre_p2=atan2(pre_temp2,pre_temp1);
pre_A=Cx+l1*cos(pre_th1)-AD*cos(pre_p2);
pre_B=Cy+l1*sin(pre_th1)-AD*sin(pre_p2);

//calculate x1
x1=sqrt(pow(A, 2)+pow(B, 2)-pow(DE, 2));
temp1=(x1*A+DE*B)/(pow(x1, 2)+pow(DE, 2));
temp2=(x1*B-DE*A)/(pow(x1, 2)+pow(DE, 2));
pre_x1=sqrt(pow(A, 2)+pow(B, 2)-pow(DE, 2));
pre_temp1=(x1*A+DE*B)/(pow(x1, 2)+pow(DE, 2));
pre_temp2=(x1*B-DE*A)/(pow(x1, 2)+pow(DE, 2));

//calculate p1
p1=atan2(temp2,temp1);
pre_p1=atan2(pre_temp2,pre_temp1);

//calculate Px, Py
Px[i]=AD*cos(p2)-DE*sin(p1)-PE*cos(p1);
Py[i]=AD*sin(p2)+DE*cos(p1)-PE*sin(p1);
pre_Px[i]=AD*cos(pre_p2)-DE*sin(pre_p1)-PE*cos(pre_p1);
pre_Py[i]=AD*sin(pre_p2)+DE