#include "parameters.hpp"

#include "aux.hpp"

using namespace std;

namespace STD {

GaussianProcessParameters::GaussianProcessParameters(size_t first_iter,

bool mean, bool center_)

: first_iteration(first_iter), free_mean(mean), center(center_) {}

double Hyperparameters::get_param(Coefficient::Type distribution,

size_t idx) const {

switch (distribution) {

case Coefficient::Type::gamma:

if (idx == 0)

return gamma_1;

else

return gamma_2;

case Coefficient::Type::beta:

if (idx == 0)

return beta_1;

else

return beta_2;

case Coefficient::Type::beta_prime:

if (idx == 0)

return beta_prime_1;

else

return beta_prime_2;

case Coefficient::Type::normal:

if (idx == 0)

return normal_1;

else

return normal_2;

default:

throw std::runtime_error(

"Error: no default hyper parameters defined for chosen "

"distribution.");

break;

}

}

std::ostream &operator<<(std::ostream &os, const Hyperparameters &hyperparams) {

os << "gamma_1 = " << hyperparams.gamma_1 << endl;

os << "gamma_2 = " << hyperparams.gamma_2 << endl;

os << "beta_1 = " << hyperparams.beta_1 << endl;

os << "beta_2 = " << hyperparams.beta_2 << endl;

os << "beta_prime_1 = " << hyperparams.beta_prime_1 << endl;

os << "beta_prime_2 = " << hyperparams.beta_prime_2 << endl;

os << "normal_1 = " << hyperparams.normal_1 << endl;

os << "normal_2 = " << hyperparams.normal_2 << endl;

return os;

}

} // namespace STD