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/*
 Genome-wide Efficient Mixed Model Association (GEMMA)
 Copyright (C) 2011-2017, Xiang Zhou

 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with this program. If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef __BSLMMDAP_H__
#define __BSLMMDAP_H__

#include <vector>
#include <map>
#include <gsl/gsl_rng.h>
#include <gsl/gsl_randist.h>
#include "param.h"

using namespace std;

class BSLMMDAP {

public:
	// IO-related parameters.
	int a_mode;
	size_t d_pace;

	string file_bfile;
	string file_geno;
	string file_out;
	string path_out;

	// LMM related parameters
	double pve_null;
	double pheno_mean;

	// BSLMM MCMC related parameters
	long int randseed;
	double trace_G;

	HYPBSLMM cHyp_initial;

	// Summary statistics
	size_t ni_total, ns_total; // Number of total individuals and SNPs.
	size_t ni_test, ns_test;   // Number of individuals and SNPs
				   // used for analysis.

	double h_min, h_max, rho_min, rho_max;
	size_t h_ngrid, rho_ngrid;

	double time_UtZ;
	double time_Omega;	// Time spent on optimization iterations.
	double time_Proposal;   // Time spent on constructing the
				// proposal distribution for gamma
				// (i.e., lmm or lm analysis).

        // Indicator for individuals (phenotypes): 0 missing, 1
        // available for analysis.
	vector<int> indicator_idv;

 	// Sequence indicator for SNPs: 0 ignored because of (a) maf,
 	// (b) miss, (c) non-poly; 1 available for analysis.
	vector<int> indicator_snp;

	vector<SNPINFO> snpInfo;  // Record SNP information.

	// Main functions.
	void CopyFromParam (PARAM &cPar);
	void CopyToParam (PARAM &cPar);

	void WriteResult (const gsl_matrix *Hyper, const gsl_matrix *BF);
	void WriteResult (const vector<string> &vec_rs, 
			  const gsl_matrix *Hyper, const gsl_vector *pip, 
			  const gsl_vector *coef);
	double CalcMarginal (const gsl_vector *Uty, const gsl_vector *K_eval, 
			     const double sigma_b2, const double tau);
	double CalcMarginal (const gsl_matrix *UtXgamma, 
			     const gsl_vector *Uty, const gsl_vector *K_eval, 
			     const double sigma_a2, const double sigma_b2, 
			     const double tau);
	double CalcPrior (class HYPBSLMM &cHyp);

	void DAP_CalcBF (const gsl_matrix *U, const gsl_matrix *UtX, 
			 const gsl_vector *Uty, const gsl_vector *K_eval, 
			 const gsl_vector *y);
	void DAP_EstimateHyper (const size_t kc, const size_t kd, 
				const vector<string> &vec_rs, 
				const vector<double> &vec_sa2, 
				const vector<double> &vec_sb2, 
				const vector<double> &wab, 
				const vector<vector<vector<double> > > &BF, 
				gsl_matrix *Ac, gsl_matrix_int *Ad, 
				gsl_vector_int *dlevel);
};

void ReadFile_hyb (const string &file_hyp, vector<double> &vec_sa2, 
		   vector<double> &vec_sb2, vector<double> &vec_wab);
void ReadFile_bf (const string &file_bf, vector<string> &vec_rs, 
		  vector<vector<vector<double> > > &BF);
void ReadFile_cat (const string &file_cat, const vector<string> &vec_rs, 
		   gsl_matrix *Ac, gsl_matrix_int *Ad, gsl_vector_int *dlevel,
		   size_t &kc, size_t &kd);

#endif