mpi-genesis 1
mpi_second_cut 2 * Modified by No Such Labs. (C) 2015. See README.
mpi-genesis 3 *
mpi_second_cut 4 * This file was originally part of Gnu Privacy Guard (GPG), ver. 1.4.10,
mpi_second_cut 5 * SHA256(gnupg-1.4.10.tar.gz):
mpi_second_cut 6 * 0bfd74660a2f6cedcf7d8256db4a63c996ffebbcdc2cf54397bfb72878c5a85a
mpi_second_cut 7 * (C) 1994-2005 Free Software Foundation, Inc.
mpi-genesis 8 *
mpi_second_cut 9 * This program is free software: you can redistribute it and/or modify
mpi-genesis 10 * it under the terms of the GNU General Public License as published by
mpi_second_cut 11 * the Free Software Foundation, either version 3 of the License, or
mpi-genesis 12 * (at your option) any later version.
mpi-genesis 13 *
mpi_second_cut 14 * This program is distributed in the hope that it will be useful,
mpi-genesis 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
mpi-genesis 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
mpi-genesis 17 * GNU General Public License for more details.
mpi-genesis 18 *
mpi-genesis 19 * You should have received a copy of the GNU General Public License
mpi_second_cut 20 * along with this program. If not, see <http:
mpi-genesis 21 */
mpi-genesis 22
mpi-genesis 23 #include <stdio.h>
mpi-genesis 24 #include <stdlib.h>
mpi_second_cut 25
mpi_second_cut 26 #include "knobs.h"
mpi-genesis 27 #include "mpi-internal.h"
mpi-genesis 28
mpi-genesis 29 int
mpi-genesis 30 mpi_cmp_ui( MPI u, unsigned long v )
mpi-genesis 31 {
mpi-genesis 32 mpi_limb_t limb = v;
mpi-genesis 33
mpi-genesis 34 mpi_normalize( u );
mpi-genesis 35 if( !u->nlimbs && !limb )
mpi-genesis 36 return 0;
mpi-genesis 37 if( u->sign )
mpi-genesis 38 return -1;
mpi-genesis 39 if( u->nlimbs > 1 )
mpi-genesis 40 return 1;
mpi-genesis 41
mpi-genesis 42 if( u->d[0] == limb )
mpi-genesis 43 return 0;
mpi-genesis 44 else if( u->d[0] > limb )
mpi-genesis 45 return 1;
mpi-genesis 46 else
mpi-genesis 47 return -1;
mpi-genesis 48 }
mpi-genesis 49
mpi-genesis 50 int
mpi-genesis 51 mpi_cmp( MPI u, MPI v )
mpi-genesis 52 {
mpi-genesis 53 mpi_size_t usize, vsize;
mpi-genesis 54 int cmp;
mpi-genesis 55
mpi-genesis 56 mpi_normalize( u );
mpi-genesis 57 mpi_normalize( v );
mpi-genesis 58 usize = u->nlimbs;
mpi-genesis 59 vsize = v->nlimbs;
mpi-genesis 60 if( !u->sign && v->sign )
mpi-genesis 61 return 1;
mpi-genesis 62 if( u->sign && !v->sign )
mpi-genesis 63 return -1;
mpi-genesis 64 if( usize != vsize && !u->sign && !v->sign )
mpi-genesis 65 return usize - vsize;
mpi-genesis 66 if( usize != vsize && u->sign && v->sign )
mpi-genesis 67 return vsize + usize;
mpi-genesis 68 if( !usize )
mpi-genesis 69 return 0;
mpi-genesis 70 if( !(cmp=mpihelp_cmp( u->d, v->d, usize )) )
mpi-genesis 71 return 0;
mpi-genesis 72 if( (cmp < 0?1:0) == (u->sign?1:0))
mpi-genesis 73 return 1;
mpi-genesis 74 return -1;
mpi-genesis 75 }
mpi-genesis 76
mpi-genesis 77