t_vector waves(t_vector n, t_vector normal_perturb, t_vector p)
{
t_vector tmp;
tmp = new_vector(n.x, n.y, n.z);
if (!double_are_same(normal_perturb.x, 0.0))
tmp.x = calc_wave(n, n.x, normal_perturb.x, p.x);
if (!double_are_same(normal_perturb.y, 0.0))
tmp.y = calc_wave(n, n.y, normal_perturb.y, p.y);
if (!double_are_same(normal_perturb.z, 0.0))
tmp.z = calc_wave(n, n.z, normal_perturb.z, p.z);
if (!double_are_same(n.x, tmp.x))
n.x = tmp.x;
if (!double_are_same(n.y, tmp.y))
n.y = tmp.y;
if (!double_are_same(n.z, tmp.z))
n.z = tmp.z;
return (n);
}
/*
* Executes the entire simulation.
*
* i_max: how many data points are on a single wave
* t_max: how many iterations the simulation should run
* num_threads: how many threads to use
* old_array: array of size i_max filled with data for t-1
* current_array: array of size i_max filled with data for t
* next_array: array of size i_max. You should fill this with t+1
*/
double *simulate(const int i_max, const int t_max, const int num_threads,
double *old_array, double *current_array, double *next_array)
{
old = old_array;
cur = current_array;
next = next_array;
g_i_max = i_max;
g_t_max = t_max;
g_num_threads = num_threads;
calc_wave();
return current_array;
}
