83 lines
2.1 KiB
C++
83 lines
2.1 KiB
C++
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/*
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* Copyright (c) 2001 Stephen Williams (steve@icarus.com)
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*
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* This source code is free software; you can redistribute it
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* and/or modify it in source code form under the terms of the GNU
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* General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#if !defined(WINNT)
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#ident "$Id: resolv.cc,v 1.1 2001/05/09 02:53:53 steve Exp $"
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#endif
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# include "resolv.h"
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# include "schedule.h"
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/*
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* For now, cheat and resolve the values without using the actual
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* strengths. The strengths are not yet available to the inputs, so
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* this is all we can do for now.
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*/
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void vvp_resolv_s::set(vvp_ipoint_t ptr, functor_t fp, bool push)
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{
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unsigned in1 = (fp->ival >> 0) & 3;
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unsigned in2 = (fp->ival >> 2) & 3;
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unsigned in3 = (fp->ival >> 4) & 3;
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unsigned in4 = (fp->ival >> 5) & 3;
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unsigned val = in1;
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if (in2 != 3) {
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if (val == 3) {
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val = in2;
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} else if (val != in2) {
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val = 2;
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} else {
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}
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}
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if (in3 != 3) {
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if (val == 3) {
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val = in3;
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} else if (val != in3) {
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val = 2;
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} else {
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}
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}
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if (in4 != 3) {
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if (val == 3) {
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val = in4;
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} else if (val != in4) {
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val = 2;
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} else {
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}
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}
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/* If the output changes, then create a propagation event. */
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if (val != fp->oval) {
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fp->oval = val;
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if (push)
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functor_propagate(ptr);
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else
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schedule_functor(ptr, 0);
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}
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}
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/*
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* $Log: resolv.cc,v $
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* Revision 1.1 2001/05/09 02:53:53 steve
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* Implement the .resolv syntax.
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*
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*/
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