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TLFormulaBinary.cpp
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TLFormulaBinary.cpp
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/*
* File: TLFormulaBinary.cc
* Project: QUEST
* Author: Marc Diefenbruch, Axel M. Hirche
* Date: (C) 1997, 1998 University of Essen, Germany
*/
#include "TLFormulaBinary.h"
#if _SC_DMALLOC
#include <dmalloc.h>
#endif
#if _TL_INLINING_ == 0
#include "TLFormulaBinary.inl.h"
#endif
TLFormulaBinary::~TLFormulaBinary (void)
{
if (leftOperand)
delete leftOperand;
leftOperand = NULL;
}
TLArity TLFormulaBinary::Arity (void) const
{
return TLBinary;
}
SCNatural TLFormulaBinary::NumOfSymbols (void) const
{
return leftOperand->NumOfSymbols() +
rightOperand->NumOfSymbols() + 1;
}
SCStream& TLFormulaBinary::Display (SCStream& out) const
{
assert (rightOperand);
assert (leftOperand);
if (leftOperand->GetPrecedenceLevel() <= GetPrecedenceLevel())
{
out << "(";
leftOperand->Display (out);
out << ") ";
}
else // Precedence is less, so binding
// of operator is clear.
{
leftOperand->Display (out);
out << " ";
}
TLFormula::Display(out);
if (rightOperand->GetPrecedenceLevel() <= GetPrecedenceLevel())
{
out << " (";
rightOperand->Display (out);
out << ")";
}
else // Precedence is less, so binding
// of operator is clear.
{
out << " ";
rightOperand->Display (out);
}
return out;
}
SCBoolean TLFormulaBinary::operator== (const TLFormula& phi) const
{
TLFormulaBinary* tmpPhi = (TLFormulaBinary*) φ
if (op != tmpPhi->op)
return false;
assert (leftOperand);
assert (rightOperand);
assert (tmpPhi->leftOperand);
assert (tmpPhi->rightOperand);
if (!(*leftOperand == *(tmpPhi->leftOperand)))
return false;
if (!(*rightOperand == *(tmpPhi->rightOperand)))
return false;
return true;
}
SCBoolean TLFormulaBinary::operator== (const TLFormula* phi) const
{
return *this == *phi;
}
SCBoolean TLFormulaBinary::operator!= (const TLFormula& pPhi) const
{
return !(*this == pPhi);
}
SCBoolean TLFormulaBinary::operator!= (const TLFormula* pPhi) const
{
return !(*this == *pPhi);
}