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/* maple.cpp -- Create Maple input
Copyright 2002-2004 Jesus A. De Loera, David Haws, Raymond
Hemmecke, Peter Huggins, Jeremy Tauzer, Ruriko Yoshida
Copyright 2007 Matthias Koeppe
This file is part of LattE.
LattE is free software; you can redistribute it and/or modify it
under the terms of the version 2 of the GNU General Public License
as published by the Free Software Foundation.
LattE 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 LattE; if not, write to the Free Software Foundation,
Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include <climits>
#include "maple.h"
/* ----------------------------------------------------------------- */
void writeTermToFile(ofstream & out, const vec_ZZ &v, int numOfVars) {
int i,firstEntry;
firstEntry=0;
for (i=0;i<numOfVars;i++) {
if (v[i]!=0) {
if (firstEntry==1) out << "*";
firstEntry=1;
if (v[i]<0) out << "x[" << i << "]^(" << v[i] << ")";
if (v[i]==1) out << "x[" << i << "]";
if (v[i]>1) out << "x[" << i << "]^" << v[i];
}
}
/* Is v=0? */
if (firstEntry==0) {out << "1";}
return ;
}
/* ----------------------------------------------------------------- */
void writeTermOfGeneratingFunctionToFile(ofstream & out, listCone *cone,
int numOfVars) {
int len;
vec_ZZ v;
listVector *tmp;
if (cone->coefficient==0) return;
if (cone->coefficient!=1) out << "(" << cone->coefficient << ")*";
tmp=cone->latticePoints;
len=lengthListVector(tmp);
if (len>1) out << "(";
while (tmp) {
v=tmp->first;
writeTermToFile(out,v,numOfVars);
if (tmp->rest!=0) out << "+";
tmp=tmp->rest;
}
if (len>1) out << ")";
out << "/";
tmp=cone->rays;
out << "(";
while (tmp) {
out << "(1-";
v=tmp->first;
writeTermToFile(out,v,numOfVars);
out << ")";
if (tmp->rest!=0) out << "*";
tmp=tmp->rest;
}
out << ")";
return;
}
/* ----------------------------------------------------------------- */
void createGeneratingFunctionAsMapleInput(const char *fileName, listCone* cones,
int numOfVars) {
char mapleInFileName[PATH_MAX];
listCone *tmp;
strcpy(mapleInFileName,fileName);
strcat(mapleInFileName,".maple");
ofstream out(mapleInFileName);
if (!out) {
printf("Error opening output file in createGeneratingFunctionAsMapleInput!");
exit(1);
}
out << "gF:=";
tmp=cones;
while (tmp->rest) {
writeTermOfGeneratingFunctionToFile(out,tmp,numOfVars);
out << "+";
tmp=tmp->rest;
}
writeTermOfGeneratingFunctionToFile(out,tmp,numOfVars);
out << ";\n";
out.close();
return;
}
/* ----------------------------------------------------------------- */
void createGeneratingFunctionAsMapleInputGrob(listCone* cones,
int numOfVars, ofstream & out) {
listCone *tmp;
if (!out) {
printf("Error opening output file in createGeneratingFunctionAsMapleInput!");
exit(1);
}
tmp=cones;
while (tmp->rest) {
writeTermOfGeneratingFunctionToFile(out,tmp,numOfVars);
out << "+";
tmp=tmp->rest;
}
writeTermOfGeneratingFunctionToFile(out,tmp,numOfVars);
out << "+";
return;
}
/* ----------------------------------------------------------------- */
GeneratingFunctionWritingConeConsumer::GeneratingFunctionWritingConeConsumer(const std::string &genfun_filename)
: genfun_stream(genfun_filename.c_str()),
first_term(true)
{
}
int GeneratingFunctionWritingConeConsumer::ConsumeCone(listCone *cone)
{
if (cone->latticePoints != NULL) {
if (!first_term)
genfun_stream << " + ";
writeTermOfGeneratingFunctionToFile(genfun_stream, cone,
cone->latticePoints->first.length());
genfun_stream << endl;
first_term = false;
}
freeCone(cone);
return 1; // means "success, please continue"
}
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