dynare/mex/sources/k_order_perturbation/dynamic_dll.hh

71 lines
2.6 KiB
C++

/*
* Copyright (C) 2008-2010 Dynare Team
*
* This file is part of Dynare.
*
* Dynare 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.
*
* Dynare 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 Dynare. If not, see <http://www.gnu.org/licenses/>.
*/
#if defined(_WIN32) || defined(__CYGWIN32__)
# include <windows.h>
#else
# include <dlfcn.h> // unix/linux DLL (.so) handling routines
#endif
#include <string>
#include <dynmex.h>
#include "dynare_exception.h"
// <model>_Dynamic DLL pointer
typedef void (*DynamicFn)
(double *y, double *x, int nb_row_x, double *params,
int it_, double *residual, double *g1, double *g2, double *g3);
/**
* creates pointer to Dynamic function inside <model>_dynamic.dll
* and handles calls to it.
**/
class DynamicModelDLL
{
private:
DynamicFn Dynamic; // pointer to the Dynamic function in DLL
const int length; // tot num vars = Num of Jacobian rows
const int jcols; // tot num var t-1, t and t+1 instances + exogs = Num of Jacobian columns
const int nMax_lag; // no of lags
const int nExog; // no of exogenous
#if defined(_WIN32) || defined(__CYGWIN32__)
HINSTANCE dynamicHinstance; // DLL instance pointer in Windows
#else
void *dynamicHinstance; // and in Linux or Mac
#endif
public:
// construct and load Dynamic model DLL
DynamicModelDLL(const string &fname, const int length, const int jcols,
const int nMax_lag, const int nExog, const string &sExt) throw (DynareException);
virtual ~DynamicModelDLL();
// evaluate Dynamic model DLL
void eval(double *y, double *x, int nb_row_x, double *params,
int it_, double *residual, double *g1, double *g2, double *g3);
void eval(const Vector &y, const Vector &x, const Vector *params,
Vector &residual, TwoDMatrix *g1, TwoDMatrix *g2, TwoDMatrix *g3) throw (DynareException);
void eval(const Vector &y, const TwoDMatrix &x, const Vector *params,
int it_, Vector &residual, TwoDMatrix *g1, TwoDMatrix *g2, TwoDMatrix *g3) throw (DynareException);
void eval(const Vector &y, const TwoDMatrix &x, const Vector *params,
Vector &residual, TwoDMatrix *g1, TwoDMatrix *g2, TwoDMatrix *g3) throw (DynareException);
};