SundanceNonlinearUnaryOp.cpp

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//                             Sundance
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/* @HEADER@ */

#include "SundanceNonlinearUnaryOp.hpp"

using namespace Sundance;
using namespace Sundance;

using namespace Sundance;
using namespace Teuchos;


NonlinearUnaryOp::NonlinearUnaryOp(const RCP<ScalarExpr>& arg,
  const RCP<UnaryFunctor>& op)
  : UnaryExpr(arg), op_(op)
{
}



bool NonlinearUnaryOp::lessThan(const ScalarExpr* other) const
{
  const NonlinearUnaryOp* f = dynamic_cast<const NonlinearUnaryOp*>(other);
  TEUCHOS_TEST_FOR_EXCEPTION(f==0, std::logic_error, "cast should never fail at this point");
  
  if (op() < f->op()) return true;
  if (op() > f->op()) return false;

  return ExprWithChildren::lessThan(other);
}

  


std::ostream& NonlinearUnaryOp::toText(std::ostream& os, bool paren) const 
{
  os << op_->name() << "(" << arg().toString() << ")";
  return os;
}


XMLObject NonlinearUnaryOp::toXML() const
{
  XMLObject rtn("NonlinearUnaryOp");
  rtn.addChild(arg().toXML());
  rtn.addAttribute("op", op_->name());
  return rtn;
}