dynare/mex/sources/bytecode/SparseMatrix.cc

2184 lines
72 KiB
C++

/*
* Copyright (C) 2007-2009 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/>.
*/
//#define _GLIBCXX_USE_C99_FENV_TR1 1
//#include <cfenv>
#include <cstring>
#include <ctime>
#include <sstream>
#include "SparseMatrix.hh"
#ifdef _MSC_VER
unsigned long _nan[2] = { 0xffffffff, 0x7fffffff };
double NAN = *((double *) _nan);
#endif
SparseMatrix::SparseMatrix()
{
pivotva = NULL;
g_save_op = NULL;
g_nop_all = 0;
mem_mngr.init_Mem();
symbolic = true;
alt_symbolic = false;
alt_symbolic_count = 0;
max_u = 0;
min_u = 0x7FFFFFFF;
res1a = 9.0e60;
tbreak_g = 0;
start_compare = 0;
restart = 0;
IM_i.clear();
}
int
SparseMatrix::NRow(int r)
{
return NbNZRow[r];
}
int
SparseMatrix::NCol(int c)
{
return NbNZCol[c];
}
int
SparseMatrix::At_Row(int r, NonZeroElem **first)
{
(*first) = FNZE_R[r];
return NbNZRow[r];
}
int
SparseMatrix::Union_Row(int row1, int row2)
{
NonZeroElem *first1, *first2;
int n1 = At_Row(row1, &first1);
int n2 = At_Row(row2, &first2);
int i1 = 0, i2 = 0, nb_elem = 0;
while (i1 < n1 && i2 < n2)
{
if (first1->c_index == first2->c_index)
{
nb_elem++;
i1++;
i2++;
first1 = first1->NZE_R_N;
first2 = first2->NZE_R_N;
}
else if (first1->c_index < first2->c_index)
{
nb_elem++;
i1++;
first1 = first1->NZE_R_N;
}
else
{
nb_elem++;
i2++;
first2 = first2->NZE_R_N;
}
}
return nb_elem;
}
int
SparseMatrix::At_Pos(int r, int c, NonZeroElem **first)
{
(*first) = FNZE_R[r];
while ((*first)->c_index != c)
(*first) = (*first)->NZE_R_N;
return NbNZRow[r];
}
int
SparseMatrix::At_Col(int c, NonZeroElem **first)
{
(*first) = FNZE_C[c];
return NbNZCol[c];
}
int
SparseMatrix::At_Col(int c, int lag, NonZeroElem **first)
{
(*first) = FNZE_C[c];
int i = 0;
while ((*first)->lag_index != lag && (*first))
(*first) = (*first)->NZE_C_N;
if ((*first))
{
NonZeroElem *firsta = (*first);
if (!firsta->NZE_C_N)
i++;
else
{
while (firsta->lag_index == lag && firsta->NZE_C_N)
{
firsta = firsta->NZE_C_N;
i++;
}
if (firsta->lag_index == lag) i++;
}
}
return i;
}
void
SparseMatrix::Delete(const int r, const int c)
{
NonZeroElem *first = FNZE_R[r], *firsta = NULL;
while (first->c_index != c)
{
firsta = first;
first = first->NZE_R_N;
}
if (firsta != NULL)
firsta->NZE_R_N = first->NZE_R_N;
if (first == FNZE_R[r])
FNZE_R[r] = first->NZE_R_N;
NbNZRow[r]--;
first = FNZE_C[c];
firsta = NULL;
while (first->r_index != r)
{
firsta = first;
first = first->NZE_C_N;
}
if (firsta != NULL)
firsta->NZE_C_N = first->NZE_C_N;
if (first == FNZE_C[c])
FNZE_C[c] = first->NZE_C_N;
u_liste.push_back(first->u_index);
mem_mngr.mxFree_NZE(first);
NbNZCol[c]--;
}
void
SparseMatrix::Print(int Size, int *b)
{
int a, i, j, k, l;
mexPrintf(" ");
for (k = 0; k < Size*periods; k++)
mexPrintf("%-2d ", k);
mexPrintf(" | ");
for (k = 0; k < Size*periods; k++)
mexPrintf("%8d", k);
mexPrintf("\n");
for (i = 0; i < Size*periods; i++)
{
NonZeroElem *first = FNZE_R[i];
j = NbNZRow[i];
mexPrintf("%-2d ", i);
a = 0;
for (k = 0; k < j; k++)
{
for (l = 0; l < (first->c_index-a); l++)
mexPrintf(" ");
mexPrintf("%-2d ", first->u_index);
a = first->c_index+1;
first = first->NZE_R_N;
}
for (k = a; k < Size*periods; k++)
mexPrintf(" ");
mexPrintf("%-2d ", b[i]);
first = FNZE_R[i];
j = NbNZRow[i];
mexPrintf(" | %-2d ", i);
a = 0;
for (k = 0; k < j; k++)
{
for (l = 0; l < (first->c_index-a); l++)
mexPrintf(" ");
mexPrintf("%8.4f", double (u[first->u_index]));
a = first->c_index+1;
first = first->NZE_R_N;
}
for (k = a; k < Size*periods; k++)
mexPrintf(" ");
mexPrintf("%8.4f", double (u[b[i]]));
mexPrintf("\n");
}
}
void
SparseMatrix::Insert(const int r, const int c, const int u_index, const int lag_index)
{
NonZeroElem *firstn, *first, *firsta, *a;
firstn = mem_mngr.mxMalloc_NZE();
first = FNZE_R[r];
firsta = NULL;
while (first->c_index < c && (a = first->NZE_R_N))
{
firsta = first;
first = a;
}
firstn->u_index = u_index;
firstn->r_index = r;
firstn->c_index = c;
firstn->lag_index = lag_index;
if (first->c_index > c)
{
if (first == FNZE_R[r])
FNZE_R[r] = firstn;
if (firsta != NULL)
firsta->NZE_R_N = firstn;
firstn->NZE_R_N = first;
}
else
{
first->NZE_R_N = firstn;
firstn->NZE_R_N = NULL;
}
NbNZRow[r]++;
first = FNZE_C[c];
firsta = NULL;
while (first->r_index < r && (a = first->NZE_C_N))
{
firsta = first;
first = a;
}
if (first->r_index > r)
{
if (first == FNZE_C[c])
FNZE_C[c] = firstn;
if (firsta != NULL)
firsta->NZE_C_N = firstn;
firstn->NZE_C_N = first;
}
else
{
first->NZE_C_N = firstn;
firstn->NZE_C_N = NULL;
}
NbNZCol[c]++;
}
void
SparseMatrix::Read_SparseMatrix(string file_name, const int Size, int periods, int y_kmin, int y_kmax, bool steady_state, bool two_boundaries)
{
unsigned int eq, var;
int i, j, lag;
filename = file_name;
mem_mngr.fixe_file_name(file_name);
if (!SaveCode.is_open())
{
if (steady_state)
SaveCode.open((file_name + "_static.bin").c_str(), ios::in | ios::binary);
else
SaveCode.open((file_name + "_dynamic.bin").c_str(), ios::in | ios::binary);
if (!SaveCode.is_open())
{
if (steady_state)
mexPrintf("Error : Can't open file \"%s\" for reading\n", (file_name + "_static.bin").c_str());
else
mexPrintf("Error : Can't open file \"%s\" for reading\n", (file_name + "_dynamic.bin").c_str());
mexEvalString("st=fclose('all');clear all;");
mexErrMsgTxt("Exit from Dynare");
}
}
IM_i.clear();
if (two_boundaries)
{
for (i = 0; i < u_count_init-Size; i++)
{
SaveCode.read(reinterpret_cast<char *>(&eq), sizeof(eq));
SaveCode.read(reinterpret_cast<char *>(&var), sizeof(var));
SaveCode.read(reinterpret_cast<char *>(&lag), sizeof(lag));
SaveCode.read(reinterpret_cast<char *>(&j), sizeof(j));
IM_i[make_pair(make_pair(eq, var), lag)] = j;
}
for (j = 0; j < Size; j++)
IM_i[make_pair(make_pair(j, Size*(periods+y_kmax)), 0)] = j;
}
else
{
for (i = 0; i < u_count_init; i++)
{
SaveCode.read(reinterpret_cast<char *>(&eq), sizeof(eq));
SaveCode.read(reinterpret_cast<char *>(&var), sizeof(var));
SaveCode.read(reinterpret_cast<char *>(&lag), sizeof(lag));
SaveCode.read(reinterpret_cast<char *>(&j), sizeof(j));
IM_i[make_pair(make_pair(eq, var), lag)] = j;
}
}
index_vara = (int *) mxMalloc(Size*(periods+y_kmin+y_kmax)*sizeof(int));
for (j = 0; j < Size; j++)
SaveCode.read(reinterpret_cast<char *>(&index_vara[j]), sizeof(*index_vara));
if (periods+y_kmin+y_kmax > 1)
for (i = 1; i < periods+y_kmin+y_kmax; i++)
for (j = 0; j < Size; j++)
index_vara[j+Size*i] = index_vara[j+Size*(i-1)]+y_size;
index_equa = (int *) mxMalloc(Size*sizeof(int));
for (j = 0; j < Size; j++)
SaveCode.read(reinterpret_cast<char *>(&index_equa[j]), sizeof(*index_equa));
}
void
SparseMatrix::Simple_Init(int it_, int y_kmin, int y_kmax, int Size, map<pair<pair<int, int>, int>, int> &IM)
{
int i, eq, var, lag;
map<pair<pair<int, int>, int>, int>::iterator it4;
NonZeroElem *first;
pivot = (int *) mxMalloc(Size*sizeof(int));
pivot_save = (int *) mxMalloc(Size*sizeof(int));
pivotk = (int *) mxMalloc(Size*sizeof(int));
pivotv = (double *) mxMalloc(Size*sizeof(double));
pivotva = (double *) mxMalloc(Size*sizeof(double));
b = (int *) mxMalloc(Size*sizeof(int));
line_done = (bool *) mxMalloc(Size*sizeof(bool));
mem_mngr.init_CHUNK_BLCK_SIZE(u_count);
g_save_op = NULL;
g_nop_all = 0;
i = Size*sizeof(NonZeroElem *);
FNZE_R = (NonZeroElem **) mxMalloc(i);
FNZE_C = (NonZeroElem **) mxMalloc(i);
NonZeroElem **temp_NZE_R = (NonZeroElem **) mxMalloc(i);
NonZeroElem **temp_NZE_C = (NonZeroElem **) mxMalloc(i);
i = Size*sizeof(int);
NbNZRow = (int *) mxMalloc(i);
NbNZCol = (int *) mxMalloc(i);
it4 = IM.begin();
eq = -1;
//#pragma omp parallel for num_threads(atoi(getenv("DYNARE_NUM_THREADS")))
for (i = 0; i < Size; i++)
{
line_done[i] = 0;
FNZE_C[i] = 0;
FNZE_R[i] = 0;
temp_NZE_C[i] = 0;
temp_NZE_R[i] = 0;
NbNZRow[i] = 0;
NbNZCol[i] = 0;
}
int u_count1 = Size;
while (it4 != IM.end())
{
var = it4->first.first.second;
eq = it4->first.first.first;
lag = it4->first.second;
if (lag == 0) /*Build the index for sparse matrix containing the jacobian : u*/
{
NbNZRow[eq]++;
NbNZCol[var]++;
first = mem_mngr.mxMalloc_NZE();
first->NZE_C_N = NULL;
first->NZE_R_N = NULL;
first->u_index = u_count1;
first->r_index = eq;
first->c_index = var;
first->lag_index = lag;
if (FNZE_R[eq] == NULL)
FNZE_R[eq] = first;
if (FNZE_C[var] == NULL)
FNZE_C[var] = first;
if (temp_NZE_R[eq] != NULL)
temp_NZE_R[eq]->NZE_R_N = first;
if (temp_NZE_C[var] != NULL)
temp_NZE_C[var]->NZE_C_N = first;
temp_NZE_R[eq] = first;
temp_NZE_C[var] = first;
u_count1++;
}
it4++;
}
//#pragma omp parallel for num_threads(atoi(getenv("DYNARE_NUM_THREADS")))
for (i = 0; i < Size; i++)
b[i] = i;
mxFree(temp_NZE_R);
mxFree(temp_NZE_C);
u_count = u_count1;
}
void
SparseMatrix::Init(int periods, int y_kmin, int y_kmax, int Size, map<pair<pair<int, int>, int>, int> &IM)
{
int t, i, eq, var, lag, ti_y_kmin, ti_y_kmax;
double tmp_b = 0.0;
map<pair<pair<int, int>, int>, int>::iterator it4;
NonZeroElem *first;
pivot = (int *) mxMalloc(Size*periods*sizeof(int));
pivot_save = (int *) mxMalloc(Size*periods*sizeof(int));
pivotk = (int *) mxMalloc(Size*periods*sizeof(int));
pivotv = (double *) mxMalloc(Size*periods*sizeof(double));
pivotva = (double *) mxMalloc(Size*periods*sizeof(double));
b = (int *) mxMalloc(Size*periods*sizeof(int));
line_done = (bool *) mxMalloc(Size*periods*sizeof(bool));
mem_mngr.init_CHUNK_BLCK_SIZE(u_count);
g_save_op = NULL;
g_nop_all = 0;
i = (periods+y_kmax+1)*Size*sizeof(NonZeroElem *);
FNZE_R = (NonZeroElem **) mxMalloc(i);
FNZE_C = (NonZeroElem **) mxMalloc(i);
NonZeroElem **temp_NZE_R = (NonZeroElem **) mxMalloc(i);
NonZeroElem **temp_NZE_C = (NonZeroElem **) mxMalloc(i);
i = (periods+y_kmax+1)*Size*sizeof(int);
NbNZRow = (int *) mxMalloc(i);
NbNZCol = (int *) mxMalloc(i);
//#pragma omp parallel for num_threads(atoi(getenv("DYNARE_NUM_THREADS")))
for (i = 0; i < periods*Size; i++)
{
b[i] = 0;
line_done[i] = 0;
}
//#pragma omp parallel for num_threads(atoi(getenv("DYNARE_NUM_THREADS")))
for (i = 0; i < (periods+y_kmax+1)*Size; i++)
{
FNZE_C[i] = 0;
FNZE_R[i] = 0;
temp_NZE_C[i] = NULL;
temp_NZE_R[i] = NULL;
NbNZRow[i] = 0;
NbNZCol[i] = 0;
}
//#pragma omp parallel for num_threads(atoi(getenv("DYNARE_NUM_THREADS"))) ordered private(it4, ti_y_kmin, ti_y_kmax, eq, var, lag) schedule(dynamic)
for (t = 0; t < periods; t++)
{
ti_y_kmin = -min(t, y_kmin);
ti_y_kmax = min(periods-(t+1), y_kmax);
it4 = IM.begin();
eq = -1;
//#pragma omp ordered
while (it4 != IM.end())
{
var = it4->first.first.second;
if (eq != it4->first.first.first+Size*t)
tmp_b = 0;
eq = it4->first.first.first+Size*t;
lag = it4->first.second;
if (var < (periods+y_kmax)*Size)
{
lag = it4->first.second;
if (lag <= ti_y_kmax && lag >= ti_y_kmin) /*Build the index for sparse matrix containing the jacobian : u*/
{
var += Size*t;
NbNZRow[eq]++;
NbNZCol[var]++;
first = mem_mngr.mxMalloc_NZE();
first->NZE_C_N = NULL;
first->NZE_R_N = NULL;
first->u_index = it4->second+u_count_init*t;
first->r_index = eq;
first->c_index = var;
first->lag_index = lag;
if (FNZE_R[eq] == NULL)
FNZE_R[eq] = first;
if (FNZE_C[var] == NULL)
FNZE_C[var] = first;
if (temp_NZE_R[eq] != NULL)
temp_NZE_R[eq]->NZE_R_N = first;
if (temp_NZE_C[var] != NULL)
temp_NZE_C[var]->NZE_C_N = first;
temp_NZE_R[eq] = first;
temp_NZE_C[var] = first;
}
else /*Build the additive terms ooutside the simulation periods related to the first lags and the last leads...*/
{
if (lag < ti_y_kmin)
{
tmp_b += u[it4->second+u_count_init*t]*y[index_vara[var+Size*(y_kmin+t)]];
}
else
{
tmp_b += u[it4->second+u_count_init*t]*y[index_vara[var+Size*(y_kmin+t)]];
}
}
}
else /* ...and store it in the u vector*/
{
b[eq] = it4->second+u_count_init*t;
u[b[eq]] += tmp_b;
tmp_b = 0;
}
it4++;
}
}
mxFree(temp_NZE_R);
mxFree(temp_NZE_C);
}
void
SparseMatrix::ShortInit(int periods, int y_kmin, int y_kmax, int Size, map<pair<pair<int, int>, int>, int> &IM)
{
int t, eq, var, lag, ti_y_kmin, ti_y_kmax;
double tmp_b = 0.0;
map<pair<pair<int, int>, int>, int>::iterator it4;
//#pragma omp parallel for num_threads(atoi(getenv("DYNARE_NUM_THREADS"))) ordered private(it4, ti_y_kmin, ti_y_kmax, eq, var, lag, tmp_b) schedule(dynamic)
for (t = 0; t < periods; t++)
{
ti_y_kmin = -min(t, y_kmin);
ti_y_kmax = min(periods-(t+1), y_kmax);
it4 = IM.begin();
eq = -1;
while (it4 != IM.end())
{
var = it4->first.first.second;
if (eq != it4->first.first.first+Size*t)
tmp_b = 0;
eq = it4->first.first.first+Size*t;
if (var < (periods+y_kmax)*Size)
{
lag = it4->first.second;
if (lag <= ti_y_kmax && lag >= ti_y_kmin)
{
var += Size*t;
}
else
{
tmp_b += u[it4->second+u_count_init*t]*y[index_vara[var+Size*(y_kmin+t)]];
}
}
else
{
b[eq] = it4->second+u_count_init*t;
u[b[eq]] += tmp_b;
}
it4++;
}
}
}
int
SparseMatrix::Get_u()
{
if (!u_liste.empty())
{
int i = u_liste.back();
u_liste.pop_back();
return i;
}
else
{
if (u_count < u_count_alloc)
{
int i = u_count;
u_count++;
return i;
}
else
{
u_count_alloc += 5*u_count_alloc_save;
u = (double *) mxRealloc(u, u_count_alloc*sizeof(double));
if (!u)
{
mexPrintf("Error in Get_u: memory exhausted (realloc(%d))\n", u_count_alloc*sizeof(double));
mexEvalString("st=fclose('all');clear all;");
mexErrMsgTxt("Exit from Dynare");
}
int i = u_count;
u_count++;
return i;
}
}
}
void
SparseMatrix::Delete_u(int pos)
{
u_liste.push_back(pos);
}
void
SparseMatrix::Clear_u()
{
u_liste.clear();
}
void
SparseMatrix::Print_u()
{
for (unsigned int i = 0; i < u_liste.size(); i++)
mexPrintf("%d ", u_liste[i]);
}
void
SparseMatrix::End(int Size)
{
mem_mngr.Free_All();
mxFree(FNZE_R);
mxFree(FNZE_C);
mxFree(NbNZRow);
mxFree(NbNZCol);
mxFree(b);
mxFree(line_done);
mxFree(pivot);
mxFree(pivot_save);
mxFree(pivotk);
mxFree(pivotv);
mxFree(pivotva);
}
bool
SparseMatrix::compare(int *save_op, int *save_opa, int *save_opaa, int beg_t, int periods, long int nop4, int Size)
{
long int i, j, nop = nop4/2, t, k;
double r = 0.0;
bool OK = true;
clock_t t001;
t_save_op_s *save_op_s, *save_opa_s, *save_opaa_s;
int *diff1, *diff2;
t001 = clock();
diff1 = (int *) mxMalloc(nop*sizeof(int));
diff2 = (int *) mxMalloc(nop*sizeof(int));
int max_save_ops_first = -1;
j = k = i = 0;
while (i < nop4 && OK)
{
save_op_s = (t_save_op_s *) &(save_op[i]);
save_opa_s = (t_save_op_s *) &(save_opa[i]);
save_opaa_s = (t_save_op_s *) &(save_opaa[i]);
diff1[j] = save_op_s->first-save_opa_s->first;
if (max_save_ops_first < save_op_s->first+diff1[j]*(periods-beg_t))
{
max_save_ops_first = save_op_s->first+diff1[j]*(periods-beg_t);
}
switch (save_op_s->operat)
{
case IFLD:
case IFDIV:
OK = (save_op_s->operat == save_opa_s->operat && save_opa_s->operat == save_opaa_s->operat
&& diff1[j] == (save_opa_s->first-save_opaa_s->first));
i += 2;
break;
case IFLESS:
case IFSUB:
diff2[j] = save_op_s->second-save_opa_s->second;
OK = (save_op_s->operat == save_opa_s->operat && save_opa_s->operat == save_opaa_s->operat
&& diff1[j] == (save_opa_s->first-save_opaa_s->first)
&& diff2[j] == (save_opa_s->second-save_opaa_s->second));
i += 3;
break;
default:
mexPrintf("unknown operator = %d ", save_op_s->operat);
mexEvalString("st=fclose('all');clear all;");
filename += " stopped";
mexErrMsgTxt(filename.c_str());
break;
}
j++;
}
// the same pivot for all remaining periods
if (OK)
{
//#pragma omp parallel for num_threads(atoi(getenv("DYNARE_NUM_THREADS"))) ordered private(j) schedule(dynamic)
for (i = beg_t; i < periods; i++)
{
for (j = 0; j < Size; j++)
{
///#pragma omp ordered
pivot[i*Size+j] = pivot[(i-1)*Size+j]+Size;
}
}
if (max_save_ops_first >= u_count_alloc)
{
u_count_alloc += max_save_ops_first;
u = (double *) mxRealloc(u, u_count_alloc*sizeof(double));
if (!u)
{
mexPrintf("Error in Get_u: memory exhausted (realloc(%d))\n", u_count_alloc*sizeof(double));
mexEvalString("st=fclose('all');clear all;");
mexErrMsgTxt("Exit from Dynare");
}
}
double *up;
for (t = 1; t < periods-beg_t-y_kmax; t++)
{
i = j = 0;
while (i < nop4)
{
save_op_s = (t_save_op_s *)(&(save_op[i]));
up = &u[save_op_s->first+t*diff1[j]];
switch (save_op_s->operat)
{
case IFLD:
r = *up;
i += 2;
break;
case IFDIV:
*up /= r;
i += 2;
break;
case IFSUB:
*up -= u[save_op_s->second+t*diff2[j]]*r;;
i += 3;
break;
case IFLESS:
*up = -u[save_op_s->second+t*diff2[j]]*r;
i += 3;
break;
}
j++;
}
}
int t1 = max(1, periods-beg_t-y_kmax);
int periods_beg_t = periods-beg_t;
for (t = t1; t < periods_beg_t; t++)
{
i = j = 0;
while (i < nop4)
{
save_op_s = (t_save_op_s *)(&(save_op[i]));
if (save_op_s->lag < (periods_beg_t-t))
{
up = &u[save_op_s->first+t*diff1[j]];
switch (save_op_s->operat)
{
case IFLD:
r = *up;
i += 2;
break;
case IFDIV:
*up /= r;
i += 2;
break;
case IFSUB:
*up -= u[save_op_s->second+t*diff2[j]]*r;
i += 3;
break;
case IFLESS:
*up = -u[save_op_s->second+t*diff2[j]]*r;
i += 3;
break;
}
}
else
{
switch (save_op_s->operat)
{
case IFLD:
case IFDIV:
i += 2;
break;
case IFSUB:
case IFLESS:
i += 3;
break;
}
}
j++;
}
}
}
mxFree(diff1);
mxFree(diff2);
return OK;
}
int
SparseMatrix::complete(int beg_t, int Size, int periods, int *b)
{
long int i, j, k, nop, nopa, nop1, cal_y, nb_var, pos, t, ti, max_var, min_var;
NonZeroElem *first;
int *save_code;
int *diff;
double yy = 0.0, err;
int size_of_save_code = (1+y_kmax)*Size*(Size+1+4)/2*4;
save_code = (int *) mxMalloc(size_of_save_code*sizeof(int));
int size_of_diff = (1+y_kmax)*Size*(Size+1+4);
diff = (int *) mxMalloc(size_of_diff*sizeof(int));
cal_y = y_size*y_kmin;
i = (beg_t+1)*Size-1;
nop = 0;
for (j = i; j > i-Size; j--)
{
pos = pivot[j];
nb_var = At_Row(pos, &first);
first = first->NZE_R_N;
nb_var--;
save_code[nop] = IFLDZ;
save_code[nop+1] = 0;
save_code[nop+2] = 0;
save_code[nop+3] = 0;
if ((nop+3) >= size_of_save_code)
mexPrintf("out of save_code[%d] (bound=%d)\n", nop+2, size_of_save_code);
nop += 4;
for (k = 0; k < nb_var; k++)
{
save_code[nop] = IFMUL;
save_code[nop+1] = index_vara[first->c_index]+cal_y;
save_code[nop+2] = first->u_index;
save_code[nop+3] = first->lag_index;
if ((nop+3) >= size_of_save_code)
mexPrintf("out of save_code[%d] (bound=%d)\n", nop+2, size_of_save_code);
nop += 4;
first = first->NZE_R_N;
}
save_code[nop] = IFADD;
save_code[nop+1] = b[pos];
save_code[nop+2] = 0;
save_code[nop+3] = 0;
if ((nop+3) >= size_of_save_code)
mexPrintf("out of save_code[%d] (bound=%d)\n", nop+2, size_of_save_code);
nop += 4;
save_code[nop] = IFSTP;
save_code[nop+1] = index_vara[j]+y_size*y_kmin;
save_code[nop+2] = 0;
save_code[nop+3] = 0;
if ((nop+2) >= size_of_save_code)
mexPrintf("out of save_code[%d] (bound=%d)\n", nop+2, size_of_save_code);
nop += 4;
}
i = beg_t*Size-1;
nop1 = nopa = 0;
for (j = i; j > i-Size; j--)
{
pos = pivot[j];
nb_var = At_Row(pos, &first);
first = first->NZE_R_N;
nb_var--;
diff[nopa] = 0;
diff[nopa+1] = 0;
nopa += 2;
nop1 += 4;
for (k = 0; k < nb_var; k++)
{
diff[nopa] = save_code[nop1+1]-(index_vara[first->c_index]+cal_y);
diff[nopa+1] = save_code[nop1+2]-(first->u_index);
if ((nop1+2) >= size_of_save_code)
mexPrintf("out of save_code[%d] (bound=%d)\n", nop1+2, size_of_save_code);
if ((nopa+1) >= size_of_diff)
mexPrintf("out of diff[%d] (bound=%d)\n", nopa+2, size_of_diff);
nopa += 2;
nop1 += 4;
first = first->NZE_R_N;
}
diff[nopa] = save_code[nop1+1]-(b[pos]);
diff[nopa+1] = 0;
if ((nop1+3) >= size_of_save_code)
mexPrintf("out of save_code[%d] (bound=%d)\n", nop1+2, size_of_save_code);
if ((nopa+1) >= size_of_diff)
mexPrintf("out of diff[%d] (bound=%d)\n", nopa+2, size_of_diff);
nopa += 2;
nop1 += 4;
diff[nopa] = save_code[nop1+1]-(index_vara[j]+y_size*y_kmin);
diff[nopa+1] = 0;
if ((nop1+4) >= size_of_save_code)
mexPrintf("out of save_code[%d] (bound=%d)\n", nop1+2, size_of_save_code);
if ((nopa+1) >= size_of_diff)
mexPrintf("out of diff[%d] (bound=%d)\n", nopa+2, size_of_diff);
nopa += 2;
nop1 += 4;
}
max_var = (periods+y_kmin)*y_size;
min_var = y_kmin*y_size;
int k1 = 0;
for (t = periods+y_kmin-1; t >= beg_t+y_kmin; t--)
{
j = 0;
ti = t-y_kmin-beg_t;
for (i = 0; i < nop; i += 4)
{
switch (save_code[i])
{
case IFLDZ:
yy = 0;
break;
case IFMUL:
k = save_code[i+1]+ti*diff[j];
if (k < max_var && k > min_var)
{
yy += y[k]*u[save_code[i+2]+ti*diff[j+1]];
}
break;
case IFADD:
yy = -(yy+u[save_code[i+1]+ti*diff[j]]);
break;
case IFSTP:
k = save_code[i+1]+ti*diff[j];
k1 = k;
err = yy - y[k];
y[k] += slowc*(err);
break;
}
j += 2;
}
}
mxFree(save_code);
mxFree(diff);
return (beg_t);
}
double
SparseMatrix::bksub(int tbreak, int last_period, int Size, double slowc_l)
{
NonZeroElem *first;
int i, j, k;
double yy;
for (i = 0; i < y_size*(periods+y_kmin); i++)
y[i] = ya[i];
if (symbolic && tbreak)
last_period = complete(tbreak, Size, periods, b);
else
last_period = periods;
for (int t = last_period+y_kmin-1; t >= y_kmin; t--)
{
int ti = (t-y_kmin)*Size;
int cal = y_kmin*Size;
int cal_y = y_size*y_kmin;
for (i = ti-1; i >= ti-Size; i--)
{
j = i+cal;
int pos = pivot[i+Size];
int nb_var = At_Row(pos, &first);
first = first->NZE_R_N;
nb_var--;
int eq = index_vara[j]+y_size;
yy = 0;
for (k = 0; k < nb_var; k++)
{
yy += y[index_vara[first->c_index]+cal_y]*u[first->u_index];
first = first->NZE_R_N;
}
yy = -(yy+y[eq]+u[b[pos]]);
direction[eq] = yy;
y[eq] += slowc_l*yy;
}
}
return res1;
}
double
SparseMatrix::simple_bksub(int it_, int Size, double slowc_l)
{
int i, k;
double yy;
NonZeroElem *first;
for (i = 0; i < y_size; i++)
y[i+it_*y_size] = ya[i+it_*y_size];
for (i = Size-1; i >= 0; i--)
{
int pos = pivot[i];
int nb_var = At_Row(pos, &first);
first = first->NZE_R_N;
nb_var--;
int eq = index_vara[i];
yy = 0;
for (k = 0; k < nb_var; k++)
{
yy += y[index_vara[first->c_index]+it_*y_size]*u[first->u_index];
first = first->NZE_R_N;
}
yy = -(yy+y[eq+it_*y_size]+u[b[pos]]);
direction[eq+it_*y_size] = yy;
y[eq+it_*y_size] += slowc_l*yy;
}
return res1;
}
bool
SparseMatrix::simulate_NG(int blck, int y_size, int it_, int y_kmin, int y_kmax, int Size, bool print_it, bool cvg, int &iter, bool steady_state, int Block_number)
{
int i, j, k;
int pivj = 0, pivk = 0;
double piv_abs;
NonZeroElem *first, *firsta, *first_suba;
double *piv_v;
int *pivj_v, *pivk_v, *NR;
int l, N_max;
bool one;
Clear_u();
piv_v = (double *) mxMalloc(Size*sizeof(double));
pivj_v = (int *) mxMalloc(Size*sizeof(int));
pivk_v = (int *) mxMalloc(Size*sizeof(int));
NR = (int *) mxMalloc(Size*sizeof(int));
error_not_printed = true;
u_count_alloc_save = u_count_alloc;
if (isnan(res1) || isinf(res1) || (res2 > 12*g0 && iter>0))
{
if (iter == 0)
{
for (j = 0; j < y_size; j++)
{
bool select = false;
for (int i = 0; i < Size; i++)
if (j == index_vara[i])
{
select = true;
break;
}
if (select)
mexPrintf("-> variable %d at time %d = %f direction = %f\n", j+1, it_, y[j+it_*y_size], direction[j+it_*y_size]);
else
mexPrintf(" variable %d at time %d = %f direction = %f\n", j+1, it_, y[j+it_*y_size], direction[j+it_*y_size]);
}
mexPrintf("res1=%5.10f\n", res1);
mexPrintf("The initial values of endogenous variables are too far from the solution.\n");
mexPrintf("Change them!\n");
mexEvalString("drawnow;");
mxFree(piv_v);
mxFree(pivj_v);
mxFree(pivk_v);
mxFree(NR);
if (steady_state)
return false;
else
{
mexEvalString("st=fclose('all');clear all;");
filename += " stopped";
mexErrMsgTxt(filename.c_str());
}
}
if (fabs(slowc_save) < 1e-8)
{
for (j = 0; j < y_size; j++)
{
bool select = false;
for (int i = 0; i < Size; i++)
if (j == index_vara[i])
{
select = true;
break;
}
if (select)
mexPrintf("-> variable %d at time %d = %f direction = %f\n", j+1, it_, y[j+it_*y_size], direction[j+it_*y_size]);
else
mexPrintf(" variable %d at time %d = %f direction = %f\n", j+1, it_, y[j+it_*y_size], direction[j+it_*y_size]);
}
mexPrintf("Dynare cannot improve the simulation in block %d at time %d (variable %d)\n", blck+1, it_+1, max_res_idx);
mexEvalString("drawnow;");
mxFree(piv_v);
mxFree(pivj_v);
mxFree(pivk_v);
mxFree(NR);
if (steady_state)
return false;
else
{
mexEvalString("st=fclose('all');clear all;");
filename += " stopped";
mexErrMsgTxt(filename.c_str());
}
}
if(!(isnan(res1) || isinf(res1)) && !(isnan(g0) || isinf(g0)))
{
if (try_at_iteration == 0)
{
prev_slowc_save = slowc_save;
slowc_save = max( - gp0 / (2 * (res2 - g0 - gp0)) , 0.1);
}
else
{
double t1 = res2 - gp0 * slowc_save - g0;
double t2 = glambda2 - gp0 * prev_slowc_save - g0;
double a = (1/(slowc_save * slowc_save) * t1 - 1/(prev_slowc_save * prev_slowc_save) * t2) / (slowc_save - prev_slowc_save);
double b = (-prev_slowc_save/(slowc_save * slowc_save) * t1 + slowc_save/(prev_slowc_save * prev_slowc_save) * t2) / (slowc_save - prev_slowc_save);
prev_slowc_save = slowc_save;
slowc_save = max(min( -b + sqrt(b*b - 3 * a * gp0) / (3 * a), 0.5 * slowc_save), 0.1 * slowc_save);
}
glambda2 = res2;
try_at_iteration ++;
}
else
{
prev_slowc_save = slowc_save;
slowc_save /= 1.1;
}
if (print_it)
mexPrintf("Error: Simulation diverging, trying to correct it using slowc=%f\n", slowc_save);
for (i = 0; i < y_size; i++)
y[i+it_*y_size] = ya[i+it_*y_size] + slowc_save*direction[i+it_*y_size];
mxFree(piv_v);
mxFree(pivj_v);
mxFree(pivk_v);
mxFree(NR);
iter--;
return true;
}
if (cvg)
{
mxFree(piv_v);
mxFree(pivj_v);
mxFree(pivk_v);
mxFree(NR);
return (true);
}
if (print_it )
{
mexPrintf("solwc=%f g0=%f res2=%f glambda2=%f\n",slowc_save,g0, res2, glambda2);
mexPrintf("-----------------------------------\n");
mexPrintf(" Simulate iteration no %d \n", iter+1);
mexPrintf(" max. error=%.10e \n", double (max_res));
mexPrintf(" sqr. error=%.10e \n", double (res2));
mexPrintf(" abs. error=%.10e \n", double (res1));
mexPrintf("-----------------------------------\n");
}
Simple_Init(it_, y_kmin, y_kmax, Size, IM_i);
NonZeroElem **bc;
bc = (NonZeroElem **) mxMalloc(Size*sizeof(*bc));
for (i = 0; i < Size; i++)
{
/*finding the max-pivot*/
double piv = piv_abs = 0;
int nb_eq = At_Col(i, &first);
l = 0; N_max = 0;
one = false;
piv_abs = 0;
for (j = 0; j < nb_eq; j++)
{
if (!line_done[first->r_index])
{
k = first->u_index;
int jj = first->r_index;
int NRow_jj = NRow(jj);
piv_v[l] = u[k];
double piv_fabs = fabs(u[k]);
pivj_v[l] = jj;
pivk_v[l] = k;
NR[l] = NRow_jj;
if (NRow_jj == 1 && !one)
{
one = true;
piv_abs = piv_fabs;
N_max = NRow_jj;
}
if (!one)
{
if (piv_fabs > piv_abs)
piv_abs = piv_fabs;
if (NRow_jj > N_max)
N_max = NRow_jj;
}
else
{
if (NRow_jj == 1)
{
if (piv_fabs > piv_abs)
piv_abs = piv_fabs;
if (NRow_jj > N_max)
N_max = NRow_jj;
}
}
l++;
}
first = first->NZE_C_N;
}
if (piv_abs < eps)
{
if (Block_number > 1)
mexPrintf("Error: singular system in Simulate_NG in block %d\n", blck+1);
else
mexPrintf("Error: singular system in Simulate_NG\n");
mexEvalString("drawnow;");
mxFree(piv_v);
mxFree(pivj_v);
mxFree(pivk_v);
mxFree(NR);
mxFree(bc);
if (steady_state)
return false;
else
{
mexEvalString("st=fclose('all');clear all;");
filename += " stopped";
mexErrMsgTxt(filename.c_str());
}
}
double markovitz = 0, markovitz_max = -9e70;
int NR_max = 0;
if (!one)
{
for (j = 0; j < l; j++)
{
if (N_max > 0 && NR[j] > 0)
{
if (fabs(piv_v[j]) > 0)
{
if (markowitz_c > 0)
markovitz = exp(log(fabs(piv_v[j])/piv_abs)-markowitz_c*log(double (NR[j])/double (N_max)));
else
markovitz = fabs(piv_v[j])/piv_abs;
}
else
markovitz = 0;
}
else
markovitz = fabs(piv_v[j])/piv_abs;
if (markovitz > markovitz_max)
{
piv = piv_v[j];
pivj = pivj_v[j]; //Line number
pivk = pivk_v[j]; //positi
markovitz_max = markovitz;
NR_max = NR[j];
}
}
}
else
{
for (j = 0; j < l; j++)
{
if (N_max > 0 && NR[j] > 0)
{
if (fabs(piv_v[j]) > 0)
{
if (markowitz_c > 0)
markovitz = exp(log(fabs(piv_v[j])/piv_abs)-markowitz_c*log(double (NR[j])/double (N_max)));
else
markovitz = fabs(piv_v[j])/piv_abs;
}
else
markovitz = 0;
}
else
markovitz = fabs(piv_v[j])/piv_abs;
if (NR[j] == 1)
{
piv = piv_v[j];
pivj = pivj_v[j]; //Line number
pivk = pivk_v[j]; //positi
markovitz_max = markovitz;
NR_max = NR[j];
}
}
}
/*if (fabs(piv) < eps)
mexPrintf("==> Error NR_max=%d, N_max=%d and piv=%f, piv_abs=%f, markovitz_max=%f\n",NR_max, N_max, piv, piv_abs, markovitz_max);
if (NR_max == 0)
mexPrintf("==> Error NR_max=0 and piv=%f, markovitz_max=%f\n",piv, markovitz_max);*/
pivot[i] = pivj;
pivotk[i] = pivk;
pivotv[i] = piv;
line_done[pivj] = true;
/*divide all the non zeros elements of the line pivj by the max_pivot*/
int nb_var = At_Row(pivj, &first);
for (j = 0; j < nb_var; j++)
{
u[first->u_index] /= piv;
first = first->NZE_R_N;
}
u[b[pivj]] /= piv;
/*substract the elements on the non treated lines*/
nb_eq = At_Col(i, &first);
NonZeroElem *first_piva;
int nb_var_piva = At_Row(pivj, &first_piva);
int nb_eq_todo = 0;
for (j = 0; j < nb_eq && first; j++)
{
if (!line_done[first->r_index])
bc[nb_eq_todo++] = first;
first = first->NZE_C_N;
}
//#pragma omp parallel for num_threads(atoi(getenv("DYNARE_NUM_THREADS")))
for (j = 0; j < nb_eq_todo; j++)
{
first = bc[j];
int row = first->r_index;
double first_elem = u[first->u_index];
int nb_var_piv = nb_var_piva;
NonZeroElem *first_piv = first_piva;
NonZeroElem *first_sub;
int nb_var_sub = At_Row(row, &first_sub);
int l_sub = 0, l_piv = 0;
int sub_c_index = first_sub->c_index, piv_c_index = first_piv->c_index;
while (l_sub < nb_var_sub || l_piv < nb_var_piv)
{
if (l_sub < nb_var_sub && (sub_c_index < piv_c_index || l_piv >= nb_var_piv))
{
first_sub = first_sub->NZE_R_N;
if (first_sub)
sub_c_index = first_sub->c_index;
else
sub_c_index = Size;
l_sub++;
}
else if (sub_c_index > piv_c_index || l_sub >= nb_var_sub)
{
int tmp_u_count = Get_u();
Insert(row, first_piv->c_index, tmp_u_count, 0);
u[tmp_u_count] = -u[first_piv->u_index]*first_elem;
first_piv = first_piv->NZE_R_N;
if (first_piv)
piv_c_index = first_piv->c_index;
else
piv_c_index = Size;
l_piv++;
}
else
{
if (i == sub_c_index)
{
firsta = first;
first_suba = first_sub->NZE_R_N;
Delete(first_sub->r_index, first_sub->c_index);
first = firsta->NZE_C_N;
first_sub = first_suba;
if (first_sub)
sub_c_index = first_sub->c_index;
else
sub_c_index = Size;
l_sub++;
first_piv = first_piv->NZE_R_N;
if (first_piv)
piv_c_index = first_piv->c_index;
else
piv_c_index = Size;
l_piv++;
}
else
{
u[first_sub->u_index] -= u[first_piv->u_index]*first_elem;
first_sub = first_sub->NZE_R_N;
if (first_sub)
sub_c_index = first_sub->c_index;
else
sub_c_index = Size;
l_sub++;
first_piv = first_piv->NZE_R_N;
if (first_piv)
piv_c_index = first_piv->c_index;
else
piv_c_index = Size;
l_piv++;
}
}
}
u[b[row]] -= u[b[pivj]]*first_elem;
}
}
double slowc_lbx = slowc, res1bx;
for (i = 0; i < y_size; i++)
ya[i+it_*y_size] = y[i+it_*y_size];
slowc_save = slowc;
res1bx = simple_bksub(it_, Size, slowc_lbx);
End(Size);
mxFree(piv_v);
mxFree(pivj_v);
mxFree(pivk_v);
mxFree(NR);
mxFree(bc);
return true;
}
void
SparseMatrix::CheckIt(int y_size, int y_kmin, int y_kmax, int Size, int periods, int iter)
{
const double epsilon = 1e-7;
fstream SaveResult;
ostringstream out;
out << "Result" << iter;
SaveResult.open(out.str().c_str(), ios::in);
if (!SaveResult.is_open())
{
mexPrintf("Error : Can't open file \"%s\" for reading\n", "Result");
mexEvalString("st=fclose('all');clear all;");
mexErrMsgTxt("Exit from Dynare");
}
mexPrintf("Reading Result...");
int row, col;
SaveResult >> row;
mexPrintf("row=%d\n", row);
SaveResult >> col;
mexPrintf("col=%d\n", col);
double G1a;
mexPrintf("Allocated\n");
NonZeroElem *first;
for (int j = 0; j < col; j++)
{
mexPrintf("j=%d ", j);
int nb_equ = At_Col(j, &first);
mexPrintf("nb_equ=%d\n", nb_equ);
int line;
if (first)
line = first->r_index;
else
line = -9999999;
for (int i = 0; i < row; i++)
{
SaveResult >> G1a;
if (line == i)
{
if (abs(u[first->u_index]/G1a-1) > epsilon)
mexPrintf("Problem at r=%d c=%d u[first->u_index]=%5.14f G1a[i][j]=%5.14f %f\n", i, j, u[first->u_index], G1a, u[first->u_index]/G1a-1);
first = first->NZE_C_N;
if (first)
line = first->r_index;
else
line = -9999999;
}
else
{
if (G1a != 0.0)
mexPrintf("Problem at r=%d c=%d G1a[i][j]=%f\n", i, j, G1a);
}
}
}
mexPrintf("G1a red done\n");
SaveResult >> row;
mexPrintf("row(2)=%d\n", row);
double *B;
B = (double *) mxMalloc(row*sizeof(double));
for (int i = 0; i < row; i++)
SaveResult >> B[i];
SaveResult.close();
mexPrintf("done\n");
mexPrintf("Comparing...");
for (int i = 0; i < row; i++)
{
if (abs(u[b[i]]+B[i]) > epsilon)
mexPrintf("Problem at i=%d u[b[i]]=%f B[i]=%f\n", i, u[b[i]], B[i]);
}
mxFree(B);
}
void
SparseMatrix::Check_the_Solution(int periods, int y_kmin, int y_kmax, int Size, double *u, int *pivot, int *b)
{
const double epsilon = 1e-10;
Init(periods, y_kmin, y_kmax, Size, IM_i);
NonZeroElem *first;
int cal_y = y_kmin*Size;
mexPrintf(" ");
for (int i = 0; i < Size; i++)
mexPrintf(" %8d", i);
mexPrintf("\n");
for (int t = y_kmin; t < periods+y_kmin; t++)
{
mexPrintf("t=%5d", t);
for (int i = 0; i < Size; i++)
mexPrintf(" %d %1.6f", t*y_size+index_vara[i], y[t*y_size+index_vara[i]]);
mexPrintf("\n");
}
for (int i = 0; i < Size*periods; i++)
{
double res = 0;
int pos = pivot[i];
mexPrintf("pos[%d]=%d", i, pos);
int nb_var = At_Row(pos, &first);
mexPrintf(" nb_var=%d\n", nb_var);
for (int j = 0; j < nb_var; j++)
{
mexPrintf("(y[%d]=%f)*(u[%d]=%f)(r=%d, c=%d)\n", index_vara[first->c_index]+cal_y, y[index_vara[first->c_index]+cal_y], first->u_index, u[first->u_index], first->r_index, first->c_index);
res += y[index_vara[first->c_index]+cal_y]*u[first->u_index];
first = first->NZE_R_N;
}
double tmp_ = res;
res += u[b[pos]];
if (abs(res) > epsilon)
mexPrintf("Error for equation %d => res=%f y[%d]=%f u[b[%d]]=%f somme(y*u)=%f\n", pos, res, pos, y[index_vara[pos]], pos, u[b[pos]], tmp_);
}
filename += " stopped";
mexErrMsgTxt(filename.c_str());
}
int
SparseMatrix::simulate_NG1(int blck, int y_size, int it_, int y_kmin, int y_kmax, int Size, int periods, bool print_it, bool cvg, int &iter, int minimal_solving_periods, int Block_number)
{
/*Triangularisation at each period of a block using a simple gaussian Elimination*/
t_save_op_s *save_op_s;
bool record = false;
int *save_op = NULL, *save_opa = NULL, *save_opaa = NULL;
long int nop = 0, nopa = 0;
int tbreak = 0, last_period = periods;
int i, j, k;
int pivj = 0, pivk = 0;
int tmp_u_count, lag;
NonZeroElem *first;
double piv_abs;
if (start_compare == 0)
start_compare = y_kmin;
u_count_alloc_save = u_count_alloc;
clock_t t01;
clock_t t1 = clock();
nop1 = 0;
error_not_printed = true;
if (iter > 0)
{
mexPrintf("Sim : %f ms\n", (1000.0*(double (clock())-double (time00)))/double (CLOCKS_PER_SEC));
mexEvalString("drawnow;");
time00 = clock();
}
if (isnan(res1) || isinf(res1) || (res2 > 12*g0 && iter>0))
{
if (iter == 0)
{
for (j = 0; j < y_size; j++)
{
bool select = false;
for (int i = 0; i < Size; i++)
if (j == index_vara[i])
{
select = true;
break;
}
if (select)
mexPrintf("-> variable %d at time %d = %f direction = %f\n", j+1, it_, y[j+it_*y_size], direction[j+it_*y_size]);
else
mexPrintf(" variable %d at time %d = %f direction = %f\n", j+1, it_, y[j+it_*y_size], direction[j+it_*y_size]);
}
mexPrintf("res1=%5.10f\n", res1);
mexPrintf("The initial values of endogenous variables are too far from the solution.\n");
mexPrintf("Change them!\n");
mexEvalString("drawnow;");
filename += " stopped";
mexErrMsgTxt(filename.c_str());
}
if (fabs(slowc_save) < 1e-8)
{
for (j = 0; j < y_size; j++)
{
bool select = false;
for (int i = 0; i < Size; i++)
if (j == index_vara[i])
{
select = true;
break;
}
if (select)
mexPrintf("-> variable %d at time %d = %f direction = %f\n", j+1, it_, y[j+it_*y_size], direction[j+it_*y_size]);
else
mexPrintf(" variable %d at time %d = %f direction = %f\n", j+1, it_, y[j+it_*y_size], direction[j+it_*y_size]);
}
mexPrintf("Dynare cannot improve the simulation in block %d at time %d (variable %d)\n", blck+1, it_+1, max_res_idx);
mexEvalString("drawnow;");
filename += " stopped";
mexErrMsgTxt(filename.c_str());
}
if(!(isnan(res1) || isinf(res1)) && !(isnan(g0) || isinf(g0)))
{
if (try_at_iteration == 0)
{
prev_slowc_save = slowc_save;
slowc_save = max( - gp0 / (2 * (res2 - g0 - gp0)) , 0.1);
}
else
{
double t1 = res2 - gp0 * slowc_save - g0;
double t2 = glambda2 - gp0 * prev_slowc_save - g0;
double a = (1/(slowc_save * slowc_save) * t1 - 1/(prev_slowc_save * prev_slowc_save) * t2) / (slowc_save - prev_slowc_save);
double b = (-prev_slowc_save/(slowc_save * slowc_save) * t1 + slowc_save/(prev_slowc_save * prev_slowc_save) * t2) / (slowc_save - prev_slowc_save);
prev_slowc_save = slowc_save;
slowc_save = max(min( -b + sqrt(b*b - 3 * a * gp0) / (3 * a), 0.5 * slowc_save), 0.1 * slowc_save);
}
glambda2 = res2;
try_at_iteration ++;
}
else
{
prev_slowc_save = slowc_save;
slowc_save /= 1.1;
}
if (print_it)
mexPrintf("Error: Simulation diverging, trying to correct it using slowc=%f\n", slowc_save);
for (i = 0; i < y_size*(periods+y_kmin); i++)
y[i] = ya[i]+slowc_save*direction[i];
iter--;
return 0;
}
/*if (isnan(res1) || isinf(res1))
{
if (iter == 0)
{
for (j = 0; j < y_size; j++)
mexPrintf("variable %d at time %d = %f\n", j+1, it_, y[j+it_*y_size]);
for (j = 0; j < Size; j++)
mexPrintf("residual(%d)=%5.25f\n", j, u[j]);
mexPrintf("res1=%5.25f\n", res1);
mexPrintf("The initial values of endogenous variables are too far from the solution.\n");
mexPrintf("Change them!\n");
mexEvalString("drawnow;");
mexEvalString("st=fclose('all');clear all;");
filename += " stopped";
mexErrMsgTxt(filename.c_str());
}
if (slowc_save < 1e-8)
{
mexPrintf("slowc_save=%g\n", slowc_save);
for (j = 0; j < y_size; j++)
mexPrintf("variable %d at time %d = %f direction = %f variable at last step = %f b = %f\n", j+1, it_+1, y[j+it_*y_size], direction[j+it_*y_size], ya[j+it_*y_size], u[pivot[j+it_*y_size]]);
mexPrintf("Dynare cannot improve the simulation in block %d at time %d (variable %d max_res = %f, res1 = %f)\n", blck+1, it_+1, max_res_idx, max_res, res1);
mexEvalString("drawnow;");
mexEvalString("st=fclose('all');clear all;");
filename += " stopped";
mexErrMsgTxt(filename.c_str());
}
slowc_save /= 2;
mexPrintf("Error: Simulation diverging, trying to correct it using slowc=%f\n", slowc_save);
for (i = 0; i < y_size*(periods+y_kmin); i++)
y[i] = ya[i]+slowc_save*direction[i];
iter--;
return (0);
}*/
u_count += u_count_init;
if (alt_symbolic && alt_symbolic_count < alt_symbolic_count_max)
{
mexPrintf("Pivoting method will be applied only to the first periods.\n");
alt_symbolic = false;
symbolic = true;
markowitz_c = markowitz_c_s;
alt_symbolic_count++;
}
if (((res1/res1a-1) > -0.3) && symbolic && iter > 0)
{
if (restart > 2)
{
mexPrintf("Divergence or slowdown occured during simulation.\nIn the next iteration, pivoting method will be applied to all periods.\n");
symbolic = false;
alt_symbolic = true;
markowitz_c_s = markowitz_c;
markowitz_c = 0;
}
else
{
mexPrintf("Divergence or slowdown occured during simulation.\nIn the next iteration, pivoting method will be applied for a longer period.\n");
start_compare = min(tbreak_g, periods);
restart++;
}
}
else
{
start_compare = max(y_kmin, minimal_solving_periods);
restart = 0;
}
res1a = res1;
if (print_it)
{
mexPrintf("-----------------------------------\n");
mexPrintf(" Simulate iteration no %d \n", iter+1);
mexPrintf(" max. error=%.10e \n", double (max_res));
mexPrintf(" sqr. error=%.10e \n", double (res2));
mexPrintf(" abs. error=%.10e \n", double (res1));
mexPrintf("-----------------------------------\n");
}
if (cvg)
{
return (0);
}
else
{
Init(periods, y_kmin, y_kmax, Size, IM_i);
double *piv_v;
int *pivj_v, *pivk_v, *NR;
piv_v = (double *) mxMalloc(Size*sizeof(double));
pivj_v = (int *) mxMalloc(Size*sizeof(int));
pivk_v = (int *) mxMalloc(Size*sizeof(int));
NR = (int *) mxMalloc(Size*sizeof(int));
for (int t = 0; t < periods; t++)
{
if (record && symbolic)
{
if (save_op)
{
mxFree(save_op);
save_op = NULL;
}
save_op = (int *) mxMalloc(nop*sizeof(int));
nopa = nop;
}
nop = 0;
Clear_u();
int ti = t*Size;
for (i = ti; i < Size+ti; i++)
{
/*finding the max-pivot*/
double piv = piv_abs = 0;
int nb_eq = At_Col(i, 0, &first);
if ((symbolic && t <= start_compare) || !symbolic)
{
int l = 0, N_max = 0;
bool one = false;
piv_abs = 0;
for (j = 0; j < nb_eq; j++)
{
if (!line_done[first->r_index])
{
k = first->u_index;
int jj = first->r_index;
int NRow_jj = NRow(jj);
piv_v[l] = u[k];
double piv_fabs = fabs(u[k]);
pivj_v[l] = jj;
pivk_v[l] = k;
NR[l] = NRow_jj;
if (NRow_jj == 1 && !one)
{
one = true;
piv_abs = piv_fabs;
N_max = NRow_jj;
}
if (!one)
{
if (piv_fabs > piv_abs)
piv_abs = piv_fabs;
if (NRow_jj > N_max)
N_max = NRow_jj;
}
else
{
if (NRow_jj == 1)
{
if (piv_fabs > piv_abs)
piv_abs = piv_fabs;
if (NRow_jj > N_max)
N_max = NRow_jj;
}
}
l++;
}
first = first->NZE_C_N;
}
double markovitz = 0, markovitz_max = -9e70;
int NR_max = 0;
if (!one)
{
for (j = 0; j < l; j++)
{
if (N_max > 0 && NR[j] > 0)
{
if (fabs(piv_v[j]) > 0)
{
if (markowitz_c > 0)
markovitz = exp(log(fabs(piv_v[j])/piv_abs)-markowitz_c*log(double (NR[j])/double (N_max)));
else
markovitz = fabs(piv_v[j])/piv_abs;
}
else
markovitz = 0;
}
else
markovitz = fabs(piv_v[j])/piv_abs;
if (markovitz > markovitz_max)
{
piv = piv_v[j];
pivj = pivj_v[j]; //Line number
pivk = pivk_v[j]; //positi
markovitz_max = markovitz;
NR_max = NR[j];
}
}
}
else
{
for (j = 0; j < l; j++)
{
if (N_max > 0 && NR[j] > 0)
{
if (fabs(piv_v[j]) > 0)
{
if (markowitz_c > 0)
markovitz = exp(log(fabs(piv_v[j])/piv_abs)-markowitz_c*log(double (NR[j])/double (N_max)));
else
markovitz = fabs(piv_v[j])/piv_abs;
}
else
markovitz = 0;
}
else
markovitz = fabs(piv_v[j])/piv_abs;
if (NR[j] == 1)
{
piv = piv_v[j];
pivj = pivj_v[j]; //Line number
pivk = pivk_v[j]; //positi
markovitz_max = markovitz;
NR_max = NR[j];
}
}
}
if (fabs(piv) < eps)
mexPrintf("==> Error NR_max=%d, N_max=%d and piv=%f, piv_abs=%f, markovitz_max=%f\n",NR_max, N_max, piv, piv_abs, markovitz_max);
if (NR_max == 0)
mexPrintf("==> Error NR_max=0 and piv=%f, markovitz_max=%f\n",piv, markovitz_max);
pivot[i] = pivj;
pivot_save[i] = pivj;
pivotk[i] = pivk;
pivotv[i] = piv;
}
else
{
pivj = pivot[i-Size]+Size;
pivot[i] = pivj;
At_Pos(pivj, i, &first);
pivk = first->u_index;
piv = u[pivk];
piv_abs = fabs(piv);
}
line_done[pivj] = true;
if (symbolic)
{
if (record)
{
if (nop+1 >= nopa)
{
nopa = long (mem_increasing_factor*(double)nopa);
save_op = (int *) mxRealloc(save_op, nopa*sizeof(int));
}
save_op_s = (t_save_op_s *)(&(save_op[nop]));
save_op_s->operat = IFLD;
save_op_s->first = pivk;
save_op_s->lag = 0;
}
nop += 2;
}
if (piv_abs < eps)
{
if (Block_number>1)
mexPrintf("Error: singular system in Simulate_NG1 in block %d\n", blck);
else
mexPrintf("Error: singular system in Simulate_NG1\n");
mexEvalString("drawnow;");
filename += " stopped";
mexErrMsgTxt(filename.c_str());
}
/*divide all the non zeros elements of the line pivj by the max_pivot*/
int nb_var = At_Row(pivj, &first);
NonZeroElem **bb;
bb = (NonZeroElem **) mxMalloc(nb_var*sizeof(first));
for (j = 0; j < nb_var; j++)
{
bb[j] = first;
first = first->NZE_R_N;
}
for (j = 0; j < nb_var; j++)
{
first = bb[j];
u[first->u_index] /= piv;
if (symbolic)
{
if (record)
{
if (nop+j*2+1 >= nopa)
{
nopa = long (mem_increasing_factor*(double)nopa);
save_op = (int *) mxRealloc(save_op, nopa*sizeof(int));
}
save_op_s = (t_save_op_s *)(&(save_op[nop+j*2]));
save_op_s->operat = IFDIV;
save_op_s->first = first->u_index;
save_op_s->lag = first->lag_index;
}
}
}
mxFree(bb);
nop += nb_var*2;
u[b[pivj]] /= piv;
if (symbolic)
{
if (record)
{
if (nop+1 >= nopa)
{
nopa = long (mem_increasing_factor*(double)nopa);
save_op = (int *) mxRealloc(save_op, nopa*sizeof(int));
}
save_op_s = (t_save_op_s *)(&(save_op[nop]));
save_op_s->operat = IFDIV;
save_op_s->first = b[pivj];
save_op_s->lag = 0;
}
nop += 2;
}
/*substract the elements on the non treated lines*/
nb_eq = At_Col(i, &first);
NonZeroElem *first_piva;
int nb_var_piva = At_Row(pivj, &first_piva);
NonZeroElem **bc;
bc = (NonZeroElem **) mxMalloc(nb_eq*sizeof(first));
int nb_eq_todo = 0;
for (j = 0; j < nb_eq && first; j++)
{
if (!line_done[first->r_index])
bc[nb_eq_todo++] = first;
first = first->NZE_C_N;
}
//#pragma omp parallel for num_threads(2) shared(nb_var_piva, first_piva, nopa, nop, save_op, record)
for (j = 0; j < nb_eq_todo; j++)
{
t_save_op_s *save_op_s_l;
first = bc[j];
int row = first->r_index;
double first_elem = u[first->u_index];
if (symbolic)
{
if (record)
{
if (nop+1 >= nopa)
{
nopa = long (mem_increasing_factor*(double)nopa);
save_op = (int *) mxRealloc(save_op, nopa*sizeof(int));
}
save_op_s_l = (t_save_op_s *)(&(save_op[nop]));
save_op_s_l->operat = IFLD;
save_op_s_l->first = first->u_index;
save_op_s_l->lag = abs(first->lag_index);
}
nop += 2;
}
int nb_var_piv = nb_var_piva;
NonZeroElem *first_piv = first_piva;
NonZeroElem *first_sub;
int nb_var_sub = At_Row(row, &first_sub);
int l_sub = 0;
int l_piv = 0;
int sub_c_index = first_sub->c_index;
int piv_c_index = first_piv->c_index;
int tmp_lag = first_sub->lag_index;
while (l_sub < nb_var_sub || l_piv < nb_var_piv)
{
if (l_sub < nb_var_sub && (sub_c_index < piv_c_index || l_piv >= nb_var_piv))
{
//There is no nonzero element at row pivot for this column=> Nothing to do for the current element got to next column
first_sub = first_sub->NZE_R_N;
if (first_sub)
sub_c_index = first_sub->c_index;
else
sub_c_index = Size*periods;
l_sub++;
}
else if (sub_c_index > piv_c_index || l_sub >= nb_var_sub)
{
// There is an nonzero element at row pivot but not at the current row=> insert a negative element in the current row
tmp_u_count = Get_u();
lag = first_piv->c_index/Size-row/Size;
//#pragma omp critical
{
Insert(row, first_piv->c_index, tmp_u_count, lag);
}
u[tmp_u_count] = -u[first_piv->u_index]*first_elem;
if (symbolic)
{
if (record)
{
if (nop+2 >= nopa)
{
nopa = long (mem_increasing_factor*(double)nopa);
save_op = (int *) mxRealloc(save_op, nopa*sizeof(int));
}
save_op_s_l = (t_save_op_s *)(&(save_op[nop]));
save_op_s_l->operat = IFLESS;
save_op_s_l->first = tmp_u_count;
save_op_s_l->second = first_piv->u_index;
save_op_s_l->lag = max(first_piv->lag_index, abs(tmp_lag));
}
nop += 3;
}
first_piv = first_piv->NZE_R_N;
if (first_piv)
piv_c_index = first_piv->c_index;
else
piv_c_index = Size*periods;
l_piv++;
}
else /*first_sub->c_index==first_piv->c_index*/
{
if (i == sub_c_index)
{
//#pragma omp barrier
//#pragma omp single
//#pragma omp critical
{
NonZeroElem *firsta = first;
NonZeroElem *first_suba = first_sub->NZE_R_N;
Delete(first_sub->r_index, first_sub->c_index);
first = firsta->NZE_C_N;
first_sub = first_suba;
}
if (first_sub)
sub_c_index = first_sub->c_index;
else
sub_c_index = Size*periods;
l_sub++;
first_piv = first_piv->NZE_R_N;
if (first_piv)
piv_c_index = first_piv->c_index;
else
piv_c_index = Size*periods;
l_piv++;
}
else
{
u[first_sub->u_index] -= u[first_piv->u_index]*first_elem;
if (symbolic)
{
if (record)
{
if (nop+3 >= nopa)
{
nopa = long (mem_increasing_factor*(double)nopa);
save_op = (int *) mxRealloc(save_op, nopa*sizeof(int));
}
save_op_s_l = (t_save_op_s *)(&(save_op[nop]));
save_op_s_l->operat = IFSUB;
save_op_s_l->first = first_sub->u_index;
save_op_s_l->second = first_piv->u_index;
save_op_s_l->lag = max(abs(tmp_lag), first_piv->lag_index);
}
nop += 3;
}
first_sub = first_sub->NZE_R_N;
if (first_sub)
sub_c_index = first_sub->c_index;
else
sub_c_index = Size*periods;
l_sub++;
first_piv = first_piv->NZE_R_N;
if (first_piv)
piv_c_index = first_piv->c_index;
else
piv_c_index = Size*periods;
l_piv++;
}
}
}
u[b[row]] -= u[b[pivj]]*first_elem;
if (symbolic)
{
if (record)
{
if (nop+3 >= nopa)
{
nopa = long (mem_increasing_factor*(double)nopa);
save_op = (int *) mxRealloc(save_op, nopa*sizeof(int));
}
save_op_s_l = (t_save_op_s *)(&(save_op[nop]));
save_op_s_l->operat = IFSUB;
save_op_s_l->first = b[row];
save_op_s_l->second = b[pivj];
save_op_s_l->lag = abs(tmp_lag);
}
nop += 3;
}
}
mxFree(bc);
}
if (symbolic)
{
if (record && (nop == nop1))
{
if (save_opa && save_opaa)
{
if (compare(save_op, save_opa, save_opaa, t, periods, nop, Size))
{
tbreak = t;
tbreak_g = tbreak;
break;
}
}
if (save_opa)
{
if (save_opaa)
{
mxFree(save_opaa);
save_opaa = NULL;
}
save_opaa = (int *) mxMalloc(nop1*sizeof(int));
memcpy(save_opaa, save_opa, nop1*sizeof(int));
}
if (save_opa)
{
mxFree(save_opa);
save_opa = NULL;
}
save_opa = (int *) mxMalloc(nop*sizeof(int));
memcpy(save_opa, save_op, nop*sizeof(int));
}
else
{
if (nop == nop1)
record = true;
else
{
record = false;
if (save_opa)
{
mxFree(save_opa);
save_opa = NULL;
}
if (save_opaa)
{
mxFree(save_opaa);
save_opaa = NULL;
}
}
}
nop2 = nop1;
nop1 = nop;
}
}
mxFree(piv_v);
mxFree(pivj_v);
mxFree(pivk_v);
mxFree(NR);
}
nop_all += nop;
if (symbolic)
{
if (save_op)
mxFree(save_op);
if (save_opa)
mxFree(save_opa);
if (save_opaa)
mxFree(save_opaa);
}
/*The backward substitution*/
double slowc_lbx = slowc, res1bx;
for (i = 0; i < y_size*(periods+y_kmin); i++)
ya[i] = y[i];
slowc_save = slowc;
res1bx = bksub(tbreak, last_period, Size, slowc_lbx);
t01 = clock();
End(Size);
if (print_it)
{
clock_t t2 = clock();
mexPrintf("(** %f milliseconds **)\n", 1000.0*(double (t2) - double (t1))/double (CLOCKS_PER_SEC));
mexEvalString("drawnow;");
}
time00 = clock();
if (tbreak_g == 0)
tbreak_g = periods;
return (0);
}
void
SparseMatrix::fixe_u(double **u, int u_count_int, int max_lag_plus_max_lead_plus_1)
{
u_count = u_count_int * periods;
u_count_alloc = 2*u_count;
(*u) = (double *) mxMalloc(u_count_alloc*sizeof(double));
memset((*u), 0, u_count_alloc*sizeof(double));
u_count_init = max_lag_plus_max_lead_plus_1;
}