int main() {
vec A = zeros(values*N);
vec dAdt = zeros(values*N);
vec M = zeros(N);
double u, v, w;
double x, y, z;
double r, theta, phi;
long idum = -1;
// initial conditions
for (int i=0; i<N; i++) {
u = ran2(&idum);
v = ran2(&idum);
w = ran2(&idum);
phi = 2*pi*w;
r = R0*cbrt(u);
theta = acos(1-2*v);
x = r*sin(theta)*cos(phi);
y = r*sin(theta)*sin(phi);
z = r*cos(theta);
int j = values*i;
A(j) = x; // x - position
A(j+1) = y; // y - position
A(j+2) = z; // z - position
A(j+3) = 0.0; // vx - velocity
A(j+4) = 0.0; // vy - velocity
A(j+5) = 0.0; // vz - velocity
M(i) = sigma*gaussian_deviate(&idum) + mu;
}
Solver R = Solver(A, dAdt, M);
//R.RungeKutta4();
R.LeapFrog();
}
