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See ChangeLog: Tue May 4 15:49:29 CEST 1999 Werner Koch

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Werner Koch 1999-05-04 13:55:41 +00:00
parent 88374b2ab3
commit e5a79b2da8
9 changed files with 90 additions and 54 deletions
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4
mpi/ChangeLog
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@ -1,3 +1,7 @@
Tue May 4 15:47:53 CEST 1999 Werner Koch <wk@isil.d.shuttle.de>
* mpiutil.c (mpi_alloc_like): New.
Mon Apr 26 17:48:15 CEST 1999 Werner Koch <wk@isil.d.shuttle.de>
* mpih-add.c, mpih-sub.c: Removed

30
mpi/mpiutil.c
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@ -323,6 +323,36 @@ mpi_copy( MPI a )
}
/****************
* This function allocates an MPI which is optimized to hold
* a value as large as the one given in the arhgument and allocates it
* with the same flags as A.
*/
MPI
mpi_alloc_like( MPI a )
{
MPI b;
if( a && (a->flags & 4) ) {
void *p = m_is_secure(a->d)? m_alloc_secure( a->nbits )
: m_alloc( a->nbits );
memcpy( p, a->d, a->nbits );
b = mpi_set_opaque( NULL, p, a->nbits );
}
else if( a ) {
b = mpi_is_secure(a)? mpi_alloc_secure( a->nlimbs )
: mpi_alloc( a->nlimbs );
b->nlimbs = 0;
b->sign = 0;
b->flags = a->flags;
b->nbits = 0;
}
else
b = NULL;
return b;
}
void
mpi_set( MPI w, MPI u)
{