81 lines
2.1 KiB
C
81 lines
2.1 KiB
C
|
/* Implement POWERSET runtime actions for CHILL.
|
||
|
|
Copyright (C) 1992,1993 Free Software Foundation, Inc.
|
||
|
|
Author: Wilfried Moser, et al
|
||
|
|
|
||
|
|
This file is part of GNU CC.
|
||
|
|
|
||
|
|
GNU CC 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, or (at your option)
|
||
|
|
any later version.
|
||
|
|
|
||
|
|
GNU CC 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 GNU CC; see the file COPYING. If not, write to
|
||
|
|
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
|
||
|
|
|
||
|
|
#define __CHILL_LIB__
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#include "powerset.h"
|
||
|
|
|
||
|
|
/*
|
||
|
|
* function __notpowerset
|
||
|
|
*
|
||
|
|
* parameters:
|
||
|
|
* out output powerset
|
||
|
|
* left input powerset
|
||
|
|
* bitlength length of powerset in bits
|
||
|
|
*
|
||
|
|
* returns:
|
||
|
|
* void
|
||
|
|
*
|
||
|
|
* exceptions:
|
||
|
|
* none
|
||
|
|
*
|
||
|
|
* abstract:
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
void
|
||
|
|
__notpowerset (out, left, bitlength)
|
||
|
|
SET_WORD *out;
|
||
|
|
SET_WORD *left;
|
||
|
|
unsigned long bitlength;
|
||
|
|
{
|
||
|
|
if (bitlength <= SET_CHAR_SIZE)
|
||
|
|
{
|
||
|
|
*((SET_CHAR *)out) = ~ (*((SET_CHAR *)left));
|
||
|
|
#if 0
|
||
|
|
SET_CHAR tmp;
|
||
|
|
tmp = *((SET_CHAR *)left);
|
||
|
|
tmp = ~ tmp;
|
||
|
|
*((SET_CHAR *)out) = tmp;
|
||
|
|
|
||
|
|
MASK_UNUSED_CHAR_BITS((SET_CHAR *)out, bitlength);
|
||
|
|
*((SET_CHAR *)out) = ~ *((SET_CHAR *)left);
|
||
|
|
MASK_UNUSED_CHAR_BITS((SET_CHAR *)out, bitlength);
|
||
|
|
*((SET_CHAR *)out) = (~(0)) ^ (*((SET_CHAR *)left));
|
||
|
|
MASK_UNUSED_CHAR_BITS((SET_CHAR *)out, bitlength);
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
else if (bitlength <= SET_SHORT_SIZE)
|
||
|
|
{
|
||
|
|
*((SET_SHORT *)out) = ~ (*((SET_SHORT *)left));
|
||
|
|
MASK_UNUSED_SHORT_BITS((SET_SHORT *)out, bitlength);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
unsigned long len = BITS_TO_WORDS(bitlength);
|
||
|
|
register unsigned long i;
|
||
|
|
|
||
|
|
for (i = 0; i < len; i++)
|
||
|
|
out[i] = ~ left[i];
|
||
|
|
MASK_UNUSED_WORD_BITS((out + len - 1), bitlength % SET_WORD_SIZE);
|
||
|
|
}
|
||
|
|
}
|