175 lines
3.5 KiB
C++
175 lines
3.5 KiB
C++
/*
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This file is part of SECONDO.
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Copyright (C) 2013, University in Hagen, Department of Computer Science,
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Database Systems for New Applications.
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SECONDO is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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SECONDO 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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You should have received a copy of the GNU General Public License
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along with SECONDO; 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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/*
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TileAlgebra includes
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*/
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#include "Propertiesreal.h"
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/*
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declaration of namespace TileAlgebra
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*/
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namespace TileAlgebra
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{
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/*
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Method GetUndefinedValue returns the undefined value of base datatype real.
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author: Dirk Zacher
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parameters: -
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return value: undefined value of base datatype real
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exceptions: -
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*/
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double Properties<double>::GetUndefinedValue()
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{
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return UNDEFINED_REAL;
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}
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/*
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Method GetValue returns the value of given NList representation.
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author: Dirk Zacher
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parameters: rNList - reference to a NList object
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return value: value of given NList representation
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exceptions: -
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*/
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double Properties<double>::GetValue(const NList& rNList)
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{
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double value = 0.0;
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if(rNList.isInt())
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{
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value = rNList.intval();
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}
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else
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{
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value = rNList.realval();
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}
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return value;
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}
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/*
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Method GetUnwrappedValue returns the unwrapped value of given wrapped value.
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author: Dirk Zacher
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parameters: rWrappedValue - reference to a wrapped value
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return value: unwrapped value
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exceptions: -
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*/
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double Properties<double>::GetUnwrappedValue(const CcReal& rWrappedValue)
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{
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double unwrappedValue = GetUndefinedValue();
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if(rWrappedValue.IsDefined())
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{
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unwrappedValue = rWrappedValue.GetValue();
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}
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return unwrappedValue;
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}
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/*
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Method GetWrappedValue returns the wrapped value of given value.
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author: Dirk Zacher
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parameters: rValue - reference to a value
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return value: wrapped value
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exceptions: -
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*/
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CcReal Properties<double>::GetWrappedValue(const double& rValue)
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{
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return CcReal(!IsUndefinedValue(rValue), rValue);
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}
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/*
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Method IsUndefinedValue checks if given value is an undefined value.
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author: Dirk Zacher
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parameters: rValue - reference to a value
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return value: true, if rValue is an undefined value, otherwise false
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exceptions: -
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*/
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bool Properties<double>::IsUndefinedValue(const double& rValue)
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{
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bool bUndefinedValue = (rValue != rValue);
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return bUndefinedValue;
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}
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/*
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Method IsValidValueType checks if given NList is NList of type real or int.
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author: Dirk Zacher
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parameters: rNList - reference to a NList object
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return value: true, if given NList is NList of type real or int,
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otherwise false
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exceptions: -
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*/
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bool Properties<double>::IsValidValueType(const NList& rNList)
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{
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bool bValidValueType = rNList.isReal() || rNList.isInt();
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return bValidValueType;
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}
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/*
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Method ToNList returns NList representation of given value.
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author: Dirk Zacher
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parameters: rValue - reference to a value
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return value: NList representation of given value
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exceptions: -
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*/
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NList Properties<double>::ToNList(const double& rValue)
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{
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NList nList = NList(Symbol::UNDEFINED());
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if(IsUndefinedValue(rValue) == false)
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{
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nList = NList(rValue);
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}
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return nList;
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}
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}
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