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-rw-r--r--libchill/notps.c81
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diff --git a/libchill/notps.c b/libchill/notps.c
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+/* 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 "config.h"
+#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);
+ }
+}