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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: FunctionExpressionIntegrate.cpp,v 1.2 2006/07/23 22:17:07 delpinux Exp $
#include <FunctionExpressionIntegrate.hpp>
#include <ScalarFunctionIntegrate.hpp>
void
FunctionExpressionIntegrate::
execute()
{
__lowerBound->execute();
__upperBound->execute();
__integratedFunction->execute();
switch (__direction) {
case FunctionExpressionIntegrate::x: {
__scalarFunction = new ScalarFunctionIntegrate(__lowerBound->function(),
__upperBound->function(),
__integratedFunction->function(),
ScalarFunctionIntegrate::x);
break;
}
case FunctionExpressionIntegrate::y: {
__scalarFunction = new ScalarFunctionIntegrate(__lowerBound->function(),
__upperBound->function(),
__integratedFunction->function(),
ScalarFunctionIntegrate::y);
break;
}
case FunctionExpressionIntegrate::z: {
__scalarFunction = new ScalarFunctionIntegrate(__lowerBound->function(),
__upperBound->function(),
__integratedFunction->function(),
ScalarFunctionIntegrate::z);
break;
}
default: {
throw ErrorHandler(__FILE__,__LINE__,
"Unknown integration direction",
ErrorHandler::unexpected);
}
}
}
FunctionExpressionIntegrate::
FunctionExpressionIntegrate(ReferenceCounting<FunctionExpression> lowerBound,
ReferenceCounting<FunctionExpression> upperBound,
ReferenceCounting<FunctionExpression> integratedFunction,
const std::string& directionName)
: FunctionExpression(FunctionExpression::integrate),
__lowerBound(lowerBound),
__upperBound(upperBound),
__integratedFunction(integratedFunction)
{
if (directionName.size() == 2) {
if (directionName[0] == 'd') {
switch (directionName[1]) {
case 'x': {
__direction = FunctionExpressionIntegrate::x;
return;
}
case 'y': {
__direction = FunctionExpressionIntegrate::y;
return;
}
case 'z': {
__direction = FunctionExpressionIntegrate::z;
return;
}
}
}
}
throw ErrorHandler(__FILE__,__LINE__,
"unknown direction name: "+directionName,
ErrorHandler::unexpected);
}
FunctionExpressionIntegrate::
FunctionExpressionIntegrate(const FunctionExpressionIntegrate& f)
: FunctionExpression(f),
__lowerBound(f.__lowerBound),
__upperBound(f.__upperBound),
__integratedFunction(f.__integratedFunction),
__direction(f.__direction)
{
;
}
FunctionExpressionIntegrate::
~FunctionExpressionIntegrate()
{
;
}
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