void REPORT_duals(lprec *lp)
{
int i;
LPSREAL *duals, *dualsfrom, *dualstill, *objfrom, *objtill, *objfromvalue;
MYBOOL ret;
if(lp->outstream == NULL)
return;
ret = get_ptr_sensitivity_objex(lp, &objfrom, &objtill, &objfromvalue, NULL);
if(ret) {
fprintf(lp->outstream, "\nObjective function limits:\n");
fprintf(lp->outstream, " From Till FromValue\n");
for(i = 1; i <= lp->columns; i++)
if(!is_splitvar(lp, i))
fprintf(lp->outstream, "%-20s %15.7g %15.7g %15.7g\n", get_col_name(lp, i),
(double)objfrom[i - 1], (double)objtill[i - 1], (double)objfromvalue[i - 1]);
}
ret = get_ptr_sensitivity_rhs(lp, &duals, &dualsfrom, &dualstill);
if(ret) {
fprintf(lp->outstream, "\nDual values with from - till limits:\n");
fprintf(lp->outstream, " Dual value From Till\n");
for(i = 1; i <= lp->sum; i++)
fprintf(lp->outstream, "%-20s %15.7g %15.7g %15.7g\n",
(i <= lp->rows) ? get_row_name(lp, i) : get_col_name(lp, i - lp->rows),
(double)duals[i - 1], (double)dualsfrom[i - 1], (double)dualstill[i - 1]);
fflush(lp->outstream);
}
}
STATIC int write_lprow(lprec *lp, int rowno, void *userhandle, write_modeldata_func write_modeldata, int maxlen)
{
int i, ie, j, nchars;
REAL a;
MATrec *mat = lp->matA;
MYBOOL first = TRUE, elements;
if(rowno == 0) {
i = 1;
ie = lp->columns+1;
}
else {
i = mat->row_end[rowno-1];
ie = mat->row_end[rowno];
}
elements = ie - i;
if(write_modeldata != NULL) {
nchars = 0;
for(; i < ie; i++) {
if(rowno == 0) {
j = i;
a = get_mat(lp, 0, i);
if(a == 0)
continue;
}
else {
j = ROW_MAT_COLNR(i);
a = ROW_MAT_VALUE(i);
a = my_chsign(is_chsign(lp, rowno), a);
a = unscaled_mat(lp, a, rowno, j);
}
if(is_splitvar(lp, j))
continue;
if(!first)
nchars += write_data(userhandle, write_modeldata, " ");
else
first = FALSE;
if(a == -1)
nchars += write_data(userhandle, write_modeldata, "-");
else if(a == 1)
nchars += write_data(userhandle, write_modeldata, "+");
else
nchars += write_data(userhandle, write_modeldata, "%+.12g ", (double)a);
nchars += write_data(userhandle, write_modeldata, "%s", get_col_name(lp, j));
/* Check if we should add a linefeed */
if((maxlen > 0) && (nchars >= maxlen) && (i < ie-1)) {
write_data(userhandle, write_modeldata, "%s", "\n");
nchars = 0;
}
}
}
return(elements);
}
MYBOOL __WINAPI write_lpex(lprec *lp, void *userhandle, write_modeldata_func write_modeldata)
{
int i, j, b,
nrows = lp->rows,
ncols = lp->columns,
nchars, maxlen = LP_MAXLINELEN;
MYBOOL ok;
REAL a;
char *ptr;
if(lp->matA->is_roworder) {
report(lp, IMPORTANT, "LP_writefile: Cannot write to LP file while in row entry mode.\n");
return(FALSE);
}
if(!mat_validate(lp->matA)) {
report(lp, IMPORTANT, "LP_writefile: Could not validate the data matrix.\n");
return(FALSE);
}
/* Write name of model */
ptr = get_lp_name(lp);
if(ptr != NULL)
if(*ptr)
write_lpcomment(userhandle, write_modeldata, ptr, FALSE);
else
ptr = NULL;
/* Write the objective function */
write_lpcomment(userhandle, write_modeldata, "Objective function", (MYBOOL) (ptr != NULL));
if(is_maxim(lp))
write_data(userhandle, write_modeldata, "max: ");
else
write_data(userhandle, write_modeldata, "min: ");
write_lprow(lp, 0, userhandle, write_modeldata, maxlen);
a = get_rh(lp, 0);
if(a != 0)
write_data(userhandle, write_modeldata, " %+.12g", a);
write_data(userhandle, write_modeldata, ";\n");
/* Write constraints */
if(nrows > 0)
write_lpcomment(userhandle, write_modeldata, "Constraints", TRUE);
for(j = 1; j <= nrows; j++) {
if(((lp->names_used) && (lp->row_name[j] != NULL)) || (write_lprow(lp, j, userhandle, NULL, maxlen) == 1))
ptr = get_row_name(lp, j);
else
ptr = NULL;
if((ptr != NULL) && (*ptr))
write_data(userhandle, write_modeldata, "%s: ", ptr);
#ifndef SingleBoundedRowInLP
/* Write the ranged part of the constraint, if specified */
if ((lp->orig_upbo[j]) && (lp->orig_upbo[j] < lp->infinite)) {
if(my_chsign(is_chsign(lp, j), lp->orig_rhs[j]) == -lp->infinite)
write_data(userhandle, write_modeldata, "-Inf %s ", (is_chsign(lp, j)) ? ">=" : "<=");
else if(my_chsign(is_chsign(lp, j), lp->orig_rhs[j]) == lp->infinite)
write_data(userhandle, write_modeldata, "+Inf %s ", (is_chsign(lp, j)) ? ">=" : "<=");
else
write_data(userhandle, write_modeldata, "%+.12g %s ",
(lp->orig_upbo[j]-lp->orig_rhs[j]) * (is_chsign(lp, j) ? 1.0 : -1.0) / (lp->scaling_used ? lp->scalars[j] : 1.0),
(is_chsign(lp, j)) ? ">=" : "<=");
}
#endif
if((!write_lprow(lp, j, userhandle, write_modeldata, maxlen)) && (ncols >= 1))
write_data(userhandle, write_modeldata, "0 %s", get_col_name(lp, 1));
if(lp->orig_upbo[j] == 0)
write_data(userhandle, write_modeldata, " =");
else if(is_chsign(lp, j))
write_data(userhandle, write_modeldata, " >=");
else
write_data(userhandle, write_modeldata, " <=");
if(fabs(get_rh(lp, j) + lp->infinite) < 1)
write_data(userhandle, write_modeldata, " -Inf;\n");
else if(fabs(get_rh(lp, j) - lp->infinite) < 1)
write_data(userhandle, write_modeldata, " +Inf;\n");
else
write_data(userhandle, write_modeldata, " %.12g;\n", get_rh(lp, j));
#ifdef SingleBoundedRowInLP
/* Write the ranged part of the constraint, if specified */
if ((lp->orig_upbo[j]) && (lp->orig_upbo[j] < lp->infinite)) {
if(((lp->names_used) && (lp->row_name[j] != NULL)) || (write_lprow(lp, j, userhandle, NULL, maxlen) == 1))
ptr = get_row_name(lp, j);
else
ptr = NULL;
if((ptr != NULL) && (*ptr))
write_data(userhandle, write_modeldata, "%s: ", ptr);
if((!write_lprow(lp, j, userhandle, write_modeldata, maxlen)) && (get_Ncolumns(lp) >= 1))
write_data(userhandle, write_modeldata, "0 %s", get_col_name(lp, 1));
write_data(userhandle, write_modeldata, " %s %g;\n",
(is_chsign(lp, j)) ? "<=" : ">=",
(lp->orig_upbo[j]-lp->orig_rhs[j]) * (is_chsign(lp, j) ? 1.0 : -1.0) / (lp->scaling_used ? lp->scalars[j] : 1.0));
}
#endif
}
/* Write bounds on variables */
ok = FALSE;
for(i = nrows + 1; i <= lp->sum; i++)
if(!is_splitvar(lp, i - nrows)) {
if(lp->orig_lowbo[i] == lp->orig_upbo[i]) {
if(!ok) {
write_lpcomment(userhandle, write_modeldata, "Variable bounds", TRUE);
ok = TRUE;
}
write_data(userhandle, write_modeldata, "%s = %.12g;\n", get_col_name(lp, i - nrows), get_upbo(lp, i - nrows));
}
else {
#ifndef SingleBoundedRowInLP
if((lp->orig_lowbo[i] != 0) && (lp->orig_upbo[i] < lp->infinite)) {
if(!ok) {
write_lpcomment(userhandle, write_modeldata, "Variable bounds", TRUE);
ok = TRUE;
}
if(lp->orig_lowbo[i] == -lp->infinite)
write_data(userhandle, write_modeldata, "-Inf");
else
write_data(userhandle, write_modeldata, "%.12g", get_lowbo(lp, i - nrows));
write_data(userhandle, write_modeldata, " <= %s <= ", get_col_name(lp, i - nrows));
if(lp->orig_lowbo[i] == lp->infinite)
write_data(userhandle, write_modeldata, "+Inf");
else
write_data(userhandle, write_modeldata, "%.12g", get_upbo(lp, i - nrows));
write_data(userhandle, write_modeldata, ";\n");
}
else
#endif
{
if(lp->orig_lowbo[i] != 0) {
if(!ok) {
write_lpcomment(userhandle, write_modeldata, "Variable bounds", TRUE);
ok = TRUE;
}
if(lp->orig_lowbo[i] == -lp->infinite)
write_data(userhandle, write_modeldata, "%s >= -Inf;\n", get_col_name(lp, i - nrows));
else if(lp->orig_lowbo[i] == lp->infinite)
write_data(userhandle, write_modeldata, "%s >= +Inf;\n", get_col_name(lp, i - nrows));
else
write_data(userhandle, write_modeldata, "%s >= %.12g;\n",
get_col_name(lp, i - nrows), get_lowbo(lp, i - nrows));
}
if(lp->orig_upbo[i] != lp->infinite) {
if(!ok) {
write_lpcomment(userhandle, write_modeldata, "Variable bounds", TRUE);
ok = TRUE;
}
write_data(userhandle, write_modeldata, "%s <= %.12g;\n",
get_col_name(lp, i - nrows), get_upbo(lp, i - nrows));
}
}
}
}
/* Write optional integer section */
if(lp->int_vars > 0) {
write_lpcomment(userhandle, write_modeldata, "Integer definitions", TRUE);
i = 1;
while((i <= ncols) && !is_int(lp, i))
i++;
if(i <= ncols) {
nchars = write_data(userhandle, write_modeldata, "int %s", get_col_name(lp, i));
i++;
for(; i <= ncols; i++)
if((!is_splitvar(lp, i)) && (is_int(lp, i))) {
if((maxlen!= 0) && (nchars > maxlen)) {
write_data(userhandle, write_modeldata, "%s", "\n");
nchars = 0;
}
write_data(userhandle, write_modeldata, ",%s", get_col_name(lp, i));
}
write_data(userhandle, write_modeldata, ";\n");
}
}
/* Write optional SEC section */
if(lp->sc_vars > 0) {
write_lpcomment(userhandle, write_modeldata, "Semi-continuous variables", TRUE);
i = 1;
while((i <= ncols) && !is_semicont(lp, i))
i++;
if(i <= ncols) {
nchars = write_data(userhandle, write_modeldata, "sec %s", get_col_name(lp, i));
i++;
for(; i <= ncols; i++)
if((!is_splitvar(lp, i)) && (is_semicont(lp, i))) {
if((maxlen != 0) && (nchars > maxlen)) {
write_data(userhandle, write_modeldata, "%s", "\n");
nchars = 0;
}
nchars += write_data(userhandle, write_modeldata, ",%s", get_col_name(lp, i));
}
write_data(userhandle, write_modeldata, ";\n");
}
}
/* Write optional SOS section */
if(SOS_count(lp) > 0) {
SOSgroup *SOS = lp->SOS;
write_lpcomment(userhandle, write_modeldata, "SOS definitions", TRUE);
write_data(userhandle, write_modeldata, "SOS\n");
for(b = 0, i = 0; i < SOS->sos_count; b = SOS->sos_list[i]->priority, i++) {
nchars = write_data(userhandle, write_modeldata, "%s: ",
(SOS->sos_list[i]->name == NULL) ||
(*SOS->sos_list[i]->name==0) ? "SOS" : SOS->sos_list[i]->name); /* formatnumber12((double) lp->sos_list[i]->priority) */
for(a = 0.0, j = 1; j <= SOS->sos_list[i]->size; a = SOS->sos_list[i]->weights[j], j++) {
if((maxlen != 0) && (nchars > maxlen)) {
write_data(userhandle, write_modeldata, "%s", "\n");
nchars = 0;
}
if(SOS->sos_list[i]->weights[j] == ++a)
nchars += write_data(userhandle, write_modeldata, "%s%s",
(j > 1) ? "," : "",
get_col_name(lp, SOS->sos_list[i]->members[j]));
else
nchars += write_data(userhandle, write_modeldata, "%s%s:%.12g",
(j > 1) ? "," : "",
get_col_name(lp, SOS->sos_list[i]->members[j]),
SOS->sos_list[i]->weights[j]);
}
if(SOS->sos_list[i]->priority == ++b)
nchars += write_data(userhandle, write_modeldata, " <= %d;\n", SOS->sos_list[i]->type);
else
nchars += write_data(userhandle, write_modeldata, " <= %d:%d;\n", SOS->sos_list[i]->type, SOS->sos_list[i]->priority);
}
}
ok = TRUE;
return(ok);
}
