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Viewing changes to mpi/mpi-mpow.c

  • Committer: Bazaar Package Importer
  • Author(s): Andreas Metzler
  • Date: 2009-02-21 13:46:58 UTC
  • mto: (1.1.6 upstream) (2.1.3 squeeze)
  • mto: This revision was merged to the branch mainline in revision 18.
  • Revision ID: james.westby@ubuntu.com-20090221134658-855twvcr4ezk2ron
Import upstream version 1.4.4

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mpi/mpi-mpow.c
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#include <config.h>
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#include <stdio.h>
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#include <stdlib.h>
 
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#include "mpi-internal.h"
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#include "longlong.h"
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#include "g10lib.h"
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#include <assert.h>
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/* Barrett is slower than the classical way.  It can be tweaked by
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    for(k=0; basearray[k]; k++ )
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        ;
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    assert(k);
 
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    gcry_assert(k);
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    for(t=0, i=0; (tmp=exparray[i]); i++ ) {
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        /*log_mpidump("exp: ", tmp );*/
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        j = mpi_get_nbits(tmp);
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            t = j;
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    }
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    /*log_mpidump("mod: ", m );*/
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    assert(i==k);
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    assert(t);
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    assert( k < 10 );
 
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    gcry_assert (i==k);
 
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    gcry_assert (t);
 
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    gcry_assert (k < 10);
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    G = gcry_xcalloc( (1<<k) , sizeof *G );
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#ifdef USE_BARRETT
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        barrett_mulm(tmp, res, res, m, barrett_y, barrett_k,
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                                       barrett_r1, barrett_r2 );
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        idx = build_index( exparray, k, i, t );
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        assert( idx >= 0 && idx < (1<<k) );
 
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        gcry_assert (idx >= 0 && idx < (1<<k));
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        if( !G[idx] ) {
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            if( !idx )
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                 G[0] = mpi_alloc_set_ui( 1 );