de8ff40405
* allgmem.c: Do not include config.h anymore.
* allmem.c allocate.c andps.c cardps.c cause.c copyps.c: Likewise.
* diffps.c eqps.c exh.c exhstack.c ffsetclrps.c ffsetps.c: Likewise.
* flsetclrps.c flsetps.c inbitstr.c inps.c leps.c ltps.c: Likewise.
* neps.c notps.c orps.c retmem.c rtsdummy.c setbitps.c: Likewise.
* setbits.c sliceps.c terminate.c unhex.c unhex1.c xorps.c: Likewise.
From-SVN: r22285
74 lines
2.0 KiB
C
74 lines
2.0 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"
|
|
|
|
extern void __cause_ex1 (char *exname, char *file, int lineno);
|
|
|
|
/*
|
|
* function __inbitstring
|
|
*
|
|
* parameters:
|
|
* bitno bit number within set
|
|
* powerset the powerset
|
|
* bitlength length of powerset in bits
|
|
* minval number of lowest bit stored
|
|
* fname filename of caller
|
|
* lineno linenumber of caller
|
|
*
|
|
* returns:
|
|
* int 1 .. found
|
|
* 0 .. not found
|
|
*
|
|
* exceptions:
|
|
* rangefail
|
|
*
|
|
* abstract:
|
|
* checks if a given value is included in a bitstring
|
|
*
|
|
*/
|
|
int
|
|
__inbitstring (bitno, powerset, bitlength, minval, fname, lineno)
|
|
unsigned long bitno;
|
|
SET_WORD *powerset;
|
|
unsigned long bitlength;
|
|
long minval;
|
|
char *fname;
|
|
int lineno;
|
|
|
|
{
|
|
if (powerset == NULL
|
|
|| bitno < minval
|
|
|| (bitno - minval) >= bitlength)
|
|
__cause_ex1 ("rangefail", fname, lineno);
|
|
|
|
bitno -= minval;
|
|
if (bitlength <= SET_CHAR_SIZE)
|
|
return GET_BIT_IN_CHAR (*((SET_CHAR *)powerset), bitno);
|
|
else if (bitlength <= SET_SHORT_SIZE)
|
|
return GET_BIT_IN_SHORT (*((SET_SHORT *)powerset), bitno);
|
|
else
|
|
return GET_BIT_IN_WORD (powerset[bitno / SET_WORD_SIZE],
|
|
bitno % SET_WORD_SIZE);
|
|
}
|