void effect_init()
{
echo_init(&effect.echo);
stereo_init(&effect.stereo);
voice_init(&effect.voice);
normal_init(&effect.normal);
eq_init(&effect.eq);
}
/*cluster data*/
void cluster_init(std::vector<std::vector<double> > &points, int dimension, double lower_bound, double upper_bound, double sigma)
{
int center_num = 10;
int each_num = points.size() / center_num;
int current_index = 0;
for(int i = 0; i < center_num; i++){
double mu = get_rand(0.2,0.8);
std::vector<std::vector<double> > sub_points(each_num);
normal_init(sub_points,dimension,mu,sigma,lower_bound,upper_bound);
for(int j = 0; j < sub_points.size(); j++){
points[current_index] = sub_points[j];
current_index++;
}
}
}
