Float64.h

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00001 
00002 // -*- mode: c++; c-basic-offset:4 -*-
00003 
00004 // This file is part of libdap, A C++ implementation of the OPeNDAP Data
00005 // Access Protocol.
00006 
00007 // Copyright (c) 2002,2003 OPeNDAP, Inc.
00008 // Author: James Gallagher <jgallagher@opendap.org>
00009 //
00010 // This library is free software; you can redistribute it and/or
00011 // modify it under the terms of the GNU Lesser General Public
00012 // License as published by the Free Software Foundation; either
00013 // version 2.1 of the License, or (at your option) any later version.
00014 //
00015 // This library is distributed in the hope that it will be useful,
00016 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00017 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00018 // Lesser General Public License for more details.
00019 //
00020 // You should have received a copy of the GNU Lesser General Public
00021 // License along with this library; if not, write to the Free Software
00022 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00023 //
00024 // You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.
00025 
00026 // (c) COPYRIGHT URI/MIT 1994-1999
00027 // Please read the full copyright statement in the file COPYRIGHT_URI.
00028 //
00029 // Authors:
00030 //      jhrg,jimg       James Gallagher <jgallagher@gso.uri.edu>
00031 
00032 // Interface for Float64 type.
00033 //
00034 // jhrg 9/7/94
00035 
00036 #ifndef _float64_h
00037 #define _float64_h 1
00038 
00039 
00040 #ifndef _dods_datatypes_h
00041 #include "dods-datatypes.h"
00042 #endif
00043 
00044 #ifndef _basetype_h
00045 #include "BaseType.h"
00046 #endif
00047 
00048 #ifndef constraint_evaluator_h
00049 #include "ConstraintEvaluator.h"
00050 #endif
00051 
00057 class Float64: public BaseType
00058 {
00064     friend class Byte;
00065     friend class Int16;
00066     friend class UInt16;
00067     friend class Int32;
00068     friend class UInt32;
00069     friend class Float32;
00070 
00071 protected:
00072     dods_float64 _buf;
00073 
00074 public:
00075     Float64(const string &n = "");
00076     virtual ~Float64()
00077     {}
00078 
00079     Float64(const Float64 &copy_from);
00080 
00081     Float64 &operator=(const Float64 &rhs);
00082 
00083     virtual BaseType *ptr_duplicate();
00084 
00085     virtual unsigned int width();
00086 
00087     virtual bool serialize(const string &dataset, ConstraintEvaluator &eval,
00088                            DDS &dds, XDR *sink, bool ce_eval = true);
00089     virtual bool deserialize(XDR *source, DDS *dds, bool reuse = false);
00090 
00091     virtual unsigned int val2buf(void *val, bool reuse = false);
00092     virtual unsigned int buf2val(void **val);
00093 
00094     virtual dods_float64 value() const;
00095     virtual bool set_value(dods_float64 val);
00096 
00097     virtual void print_val(FILE *out, string space = "",
00098                            bool print_decl_p = true);
00099 
00100     virtual bool ops(BaseType *b, int op, const string &dataset);
00101 
00102     virtual void dump(ostream &strm) const ;
00103 };
00104 
00105 #endif // _float64_h
00106 

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