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/* cone.cpp -- Linked list of cones
Copyright 2002-2004 Jesus A. De Loera, David Haws, Raymond
Hemmecke, Peter Huggins, Jeremy Tauzer, Ruriko Yoshida
Copyright 2006 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 <stdlib.h>
#include "ramon.h"
listCone::listCone(): vertex(NULL), rays(NULL), subspace_generators(NULL),
facets(NULL), equalities(NULL), latticePoints(NULL), rest(NULL)
{
}
/* ----------------------------------------------------------------- */
int lengthListVector(const listVector* LIST) {
int len=0;
while (LIST) {len++; LIST = LIST->rest;}
return (len);
}
/* ----------------------------------------------------------------- */
listVector* appendVectorToListVector(const vec_ZZ &v, listVector *REST) {
// listVector *LIST;
listVector * LIST = new listVector(v);
LIST->rest = REST;
return (LIST);
}
/* ----------------------------------------------------------------- */
listVector *copyListVector(listVector *l)
{
listVector *result = NULL;
listVector **rest_p = &result;
while (l != NULL) {
*rest_p = new listVector(l->first, 0, l->index_hint);
rest_p = &(*rest_p)->rest;
l = l->rest;
}
return result;
}
/* ----------------------------------------------------------------- */
void freeListVector( listVector* p )
{
while (p != NULL) {
listVector *rest = p->rest;
delete p;
p = rest;
}
}
/* ----------------------------------------------------------------- */
listCone* createListCone() {
listCone* z;
z = new listCone;
if (z==0) {
cerr << "Memory exhausted" << endl;
exit(1);
}
z->coefficient=1;
z->vertex=0;
z->rays=0;
z->facets=0;
z->determinant = 0;
z->dual_determinant = 0;
z->latticePoints=0;
z->subspace_generators = 0;
z->equalities = 0;
z->rest=0;
z->index_hint = -1;
return (z);
}
/* ----------------------------------------------------------------- */
int lengthListCone(listCone* LIST) {
int len=0;
while (LIST) {len++; LIST = LIST->rest;}
return (len);
}
/* ----------------------------------------------------------------- */
void freeCone(listCone *cone)
{
delete cone->vertex;
freeListVector(cone->rays);
freeListVector(cone->facets);
freeListVector(cone->latticePoints);
freeListVector(cone->subspace_generators);
freeListVector(cone->equalities);
delete cone;
}
void freeListCone(listCone *list)
{
while (list != NULL) {
listCone *rest = list->rest;
freeCone(list);
list = rest;
}
}
listCone *appendListCones(listCone *A, listCone *B)
{
if (A == NULL) return B;
else {
listCone *C;
for (C = A; C->rest!=NULL; C = C->rest);
C->rest = B;
return A;
}
}
listCone *copyCone(const listCone *cone)
{
listCone *copy = createListCone();
copy->coefficient = cone->coefficient;
copy->vertex = new Vertex(*cone->vertex);
copy->determinant = cone->determinant;
copy->rays = copyListVector(cone->rays);
copy->dual_determinant = cone->dual_determinant;
copy->facets = copyListVector(cone->facets);
copy->facet_divisors = cone->facet_divisors;
copy->latticePoints = copyListVector(cone->latticePoints);
copy->lattice_points_scalar_products = cone->lattice_points_scalar_products;
copy->subspace_generators = copyListVector(cone->subspace_generators);
copy->equalities = copyListVector(cone->equalities);
copy->rest = NULL;
copy->index_hint = cone->index_hint;
return copy;
}
//Copy a list of cones.
listCone *copyListCone(const listCone *cone)
{
if ( !cone)
return NULL;
listCone *copyList = copyCone(cone); //copy one cone.
copyList->rest = copyListCone(cone->rest); //copy the rest.
return copyList;
}
int ambient_cone_dimension(const listCone *cone)
{
if (cone == NULL) return 0;
return cone->vertex->vertex->numerators().length();
}
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