74 lines
2.0 KiB
C
74 lines
2.0 KiB
C
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/*
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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_MINIMUM_H
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#define RASTER2_MINIMUM_H
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#include <NList.h>
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#include "../stype.h"
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#include "../mstype.h"
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namespace raster2
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{
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extern ValueMapping minimumFuns[];
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ListExpr minimumTypeMap(ListExpr args);
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int minimumSelectFun(ListExpr args);
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struct minimumInfo : OperatorInfo
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{
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minimumInfo()
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{
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name = "minimum";
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signature = "sType -> Type";
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appendSignature("msType -> Type");
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syntax = "minimum(_)";
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meaning = "Returns the minimum value.";
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}
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};
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template <typename T, typename Helper>
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int minimumFun
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(Word* args, Word& result, int message, Word& local, Supplier s)
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{
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typename Helper::implementation_type* pImplementationType =
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static_cast<typename Helper::implementation_type*>(args[0].addr);
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if(pImplementationType != 0)
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{
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result = qp->ResultStorage(s);
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typename Helper::wrapper_type* pResult
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= static_cast<typename Helper::wrapper_type*>(result.addr);
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if(pResult != 0)
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{
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*pResult = Helper::wrap(pImplementationType->getMinimum());
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}
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}
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return 0;
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}
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}
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#endif /* #ifndef RASTER2_MINIMUM_H */
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