86 lines
1.9 KiB
C++
86 lines
1.9 KiB
C++
/*
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This file is part of SECONDO.
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Copyright (C) 2011, 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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#ifndef RASTER2_ISREAL_H
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#define RASTER2_ISREAL_H
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#include "istype.h"
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#include "sreal.h"
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namespace raster2
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{
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typedef istype<double> isreal;
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template <>
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struct istype_helper<double>
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{
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typedef isreal implementation_type;
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typedef sreal spatial_type;
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typedef CcReal wrapper_type;
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static std::string name();
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static bool check(const NList& nl)
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{
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return (nl.isReal() || nl.isInt());
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}
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static double parse(const NList& nl)
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{
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double value = 0.0;
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if(nl.isInt())
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{
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value = nl.intval();
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}
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else
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{
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value = nl.realval();
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}
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return value;
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}
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static bool isUndefined(const double& rdouble)
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{
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return rdouble == UNDEFINED_REAL();
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}
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static double getUndefined()
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{
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return UNDEFINED_REAL();
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}
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static std::string BasicType()
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{
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return CcReal::BasicType();
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}
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static ListExpr listExpr(const double& rdouble)
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{
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return NList(rdouble).listExpr();
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}
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};
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}
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#endif // RASTER2_ISREAL_H
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