createfg.h

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/*  This file is part of libDAI - http://www.libdai.org/
 *
 *  Copyright (c) 2006-2011, The libDAI authors. All rights reserved.
 *
 *  Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
 */




#ifndef __defined_libdai_createfg_h
#define __defined_libdai_createfg_h


#include <dai/factor.h>
#include <vector>
#include <map>


namespace dai {

DAI_ENUM(FactorType,ISINGGAUSS,ISINGUNIFORM,EXPGAUSS,POTTS);



FactorGraph createFG( const GraphAL &G, FactorType ft, size_t states, const PropertySet &props );

FactorGraph createHOIFG( size_t N, size_t M, size_t k, Real beta );

BipartiteGraph createRandomBipartiteGraph( size_t N1, size_t N2, size_t d1, size_t d2 );

int powmod (int x, int n, int p);

size_t order (int x, int p);

bool isPrime (size_t n);

BipartiteGraph createSmallLDPCGraph();

BipartiteGraph createGroupStructuredLDPCGraph( size_t p, size_t j, size_t k );

void createParityCheck( Real *result, size_t n, Real eps );
} // end of namespace dai


#endif