/* mpi-cmp.c - MPI functions
* Copyright ( C ) 1998 , 1999 Free Software Foundation , Inc .
*
* This file is part of GnuPG .
*
* GnuPG 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 2 of the License , or
* ( at your option ) any later version .
*
* GnuPG 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 this program ; if not , write to the Free Software
* Foundation , Inc . , 59 Temple Place - Suite 330 , Boston , MA 02111 - 1307 , USA
*/
#include <linux/export.h>
#include "mpi-internal.h"
int mpi_cmp_ui(MPI u, unsigned long v)
{
mpi_limb_t limb = v;
mpi_normalize(u);
if (u->nlimbs == 0 ) {
if (v == 0 )
return 0 ;
else
return -1 ;
}
if (u->sign)
return -1 ;
if (u->nlimbs > 1 )
return 1 ;
if (u->d[0 ] == limb)
return 0 ;
else if (u->d[0 ] > limb)
return 1 ;
else
return -1 ;
}
EXPORT_SYMBOL_GPL(mpi_cmp_ui);
int mpi_cmp(MPI u, MPI v)
{
mpi_size_t usize, vsize;
int cmp;
mpi_normalize(u);
mpi_normalize(v);
usize = u->nlimbs;
vsize = v->nlimbs;
if (!u->sign && v->sign)
return 1 ;
if (u->sign && !v->sign)
return -1 ;
if (usize != vsize && !u->sign && !v->sign)
return usize - vsize;
if (usize != vsize && u->sign && v->sign)
return vsize - usize;
if (!usize)
return 0 ;
cmp = mpihelp_cmp(u->d, v->d, usize);
if (u->sign)
return -cmp;
return cmp;
}
EXPORT_SYMBOL_GPL(mpi_cmp);
Messung V0.5 in Prozent C=95 H=100 G=97
¤ Dauer der Verarbeitung: 0.14 Sekunden
(vorverarbeitet am 2026-09-29)
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