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// This file is part of ff3d - http://www.freefem.org/ff3d
// Copyright (C) 2001, 2002, 2003 Stphane Del Pino
// This program 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.
// This program 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 this program; if not, write to the Free Software Foundation,
// Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
// $Id: FunctionExpressionDerivative.cpp,v 1.2 2006/07/23 22:14:19 delpinux Exp $
#include <FunctionExpressionDerivative.hpp>
#include <ScalarFunctionDerivative.hpp>
void
FunctionExpressionDerivative::
execute()
{
__derivedFunction->execute();
switch (__direction) {
case FunctionExpressionDerivative::x: {
__scalarFunction = new ScalarFunctionDerivative(ScalarFunctionDerivative::x,
__derivedFunction->function());
break;
}
case FunctionExpressionDerivative::y: {
__scalarFunction = new ScalarFunctionDerivative(ScalarFunctionDerivative::y,
__derivedFunction->function());
break;
}
case FunctionExpressionDerivative::z: {
__scalarFunction = new ScalarFunctionDerivative(ScalarFunctionDerivative::z,
__derivedFunction->function());
break;
}
default: {
throw ErrorHandler(__FILE__,__LINE__,
"unknown derivation direction",
ErrorHandler::unexpected);
}
}
}
FunctionExpressionDerivative::
FunctionExpressionDerivative(const std::string& operatorName,
ReferenceCounting<FunctionExpression> derivedFunction)
: FunctionExpression(FunctionExpression::derivative),
__direction(FunctionExpressionDerivative::getDirection(operatorName)),
__derivedFunction(derivedFunction)
{
;
}
FunctionExpressionDerivative::
FunctionExpressionDerivative(const FunctionExpressionDerivative& f)
: FunctionExpression(f),
__direction(f.__direction),
__derivedFunction(f.__derivedFunction)
{
;
}
FunctionExpressionDerivative::
~FunctionExpressionDerivative()
{
;
}
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