/usr/include/CGAL/RS/rs2_calls.h is in libcgal-dev 4.5-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 | // Copyright (c) 2006-2013 INRIA Nancy-Grand Est (France). All rights reserved.
//
// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 3 of the License,
// or (at your option) any later version.
// See the file LICENSE.LGPL distributed with CGAL.
//
// Licensees holding a valid commercial license may use this file in
// accordance with the commercial license agreement provided with the software.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
//
// $URL$
// $Id$
//
// Author: Luis Peñaranda <luis.penaranda@gmx.com>
#ifndef CGAL_RS_RS2_CALLS_H
#define CGAL_RS_RS2_CALLS_H
#include <CGAL/Gmpz.h>
#include <CGAL/Gmpfr.h>
#include <CGAL/Gmpfi.h>
#include <CGAL/Polynomial.h>
#include <rs_exports.h>
#ifdef CGAL_RS_OLD_INCLUDES
#define CGALRS_PTR(a) long int a
#else
#define CGALRS_PTR(a) void *a
#endif
namespace CGAL{
namespace RS2{
struct RS2_calls{
static void init_solver(){
static bool first=true;
if(first){
first=false;
rs_init_rs();
rs_reset_all();
}else
rs_reset_all();
}
static void create_rs_upoly(CGAL::Polynomial<CGAL::Gmpz> poly,
CGALRS_PTR(ident_pol)){
CGALRS_PTR(ident_mon);
CGALRS_PTR(ident_coeff);
rs_import_uppring((char*)"T");
for(int i=0;i<=poly.degree();++i)
if(mpz_sgn(poly[i].mpz())){ // don't add if == 0
ident_mon=rs_export_new_mon_upp_bz();
ident_coeff=rs_export_new_gmp();
rs_import_bz_gmp(ident_coeff,
TO_RSPTR_IN(&(poly[i].mpz())));
rs_dset_mon_upp_bz(ident_mon,ident_coeff,i);
rs_dappend_list_mon_upp_bz(ident_pol,
ident_mon);
}
}
static int affiche_sols_eqs(mpfi_ptr *x){
CGALRS_PTR(ident_sols_eqs);
CGALRS_PTR(ident_node);
CGALRS_PTR(ident_vect);
CGALRS_PTR(ident_elt);
int nb_elts;
ident_sols_eqs=rs_get_default_sols_eqs();
nb_elts=rs_export_list_vect_ibfr_nb(ident_sols_eqs);
ident_node=rs_export_list_vect_ibfr_firstnode(ident_sols_eqs);
mpfi_t *roots=(mpfi_t*)malloc(nb_elts*sizeof(mpfi_t));
for(int i=0;i<nb_elts;++i){
ident_vect=rs_export_list_vect_ibfr_monnode
(ident_node);
CGAL_assertion_msg(rs_export_dim_vect_ibfr
(ident_vect)==1,
"vector dimension must be 1");
ident_elt=rs_export_elt_vect_ibfr(ident_vect,0);
mpfi_ptr root_pointer=
(mpfi_ptr)rs_export_ibfr_mpfi(ident_elt);
mpfi_init2(roots[i],mpfi_get_prec(root_pointer));
mpfi_set(roots[i],root_pointer);
x[i]=roots[i];
// This doesn't work because RS relocates the
// mpfrs that form the mpfi. Nevertheless, the
// mpfi address is not changed.
//x[i]=(mpfi_ptr)rs_export_ibfr_mpfi(ident_elt);
ident_node=rs_export_list_vect_ibfr_nextnode
(ident_node);
}
return nb_elts;
}
template<class OutputIterator>
static OutputIterator insert_roots(OutputIterator x){
CGALRS_PTR(ident_sols_eqs);
CGALRS_PTR(ident_node);
CGALRS_PTR(ident_vect);
CGALRS_PTR(ident_elt);
int nb_elts;
ident_sols_eqs=rs_get_default_sols_eqs();
nb_elts=rs_export_list_vect_ibfr_nb(ident_sols_eqs);
ident_node=rs_export_list_vect_ibfr_firstnode(ident_sols_eqs);
for(int i=0;i<nb_elts;++i){
ident_vect=rs_export_list_vect_ibfr_monnode
(ident_node);
CGAL_assertion_msg(rs_export_dim_vect_ibfr
(ident_vect)==1,
"vector dimension must be 1");
ident_elt=rs_export_elt_vect_ibfr(ident_vect,0);
mpfi_ptr root_pointer=
(mpfi_ptr)rs_export_ibfr_mpfi(ident_elt);
mp_prec_t root_prec=mpfi_get_prec(root_pointer);
// Construct Gmpfr's with pointers to endpoints.
Gmpfr left(&(root_pointer->left),root_prec);
Gmpfr right(&(root_pointer->right),root_prec);
// Copy them, to have the data out of RS memory.
*x++=Gmpfi(left,right,root_prec+1);
ident_node=rs_export_list_vect_ibfr_nextnode
(ident_node);
}
return x;
}
}; // struct RS2_calls
} // namespace RS2
} // namespace CGAL
#endif // CGAL_RS_RS2_CALLS_H
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