libdap  Updated for version 3.17.0
Float64.h
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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  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 
00052 namespace libdap
00053 {
00054 
00060 class Float64: public BaseType
00061 {
00062 protected:
00063     dods_float64 d_buf;
00064 
00065 public:
00066     Float64(const string &n);
00067     Float64(const string &n, const string &d);
00068     virtual ~Float64()
00069     {}
00070 
00071     Float64(const Float64 &copy_from);
00072 
00073     Float64 &operator=(const Float64 &rhs);
00074 
00075     virtual BaseType *ptr_duplicate();
00076     virtual unsigned int width(bool constrained = false) const;
00077 
00078     // DAP2
00079     virtual bool serialize(ConstraintEvaluator &eval, DDS &dds, Marshaller &m, bool ce_eval = true);
00080     virtual bool deserialize(UnMarshaller &um, DDS *dds, bool reuse = false);
00081 
00082     // DAP4
00083     virtual void compute_checksum(Crc32 &checksum);
00084     virtual void serialize(D4StreamMarshaller &m, DMR &dmr, /*ConstraintEvaluator &eval,*/ bool filter = false);
00085     virtual void deserialize(D4StreamUnMarshaller &um, DMR &dmr);
00086 
00087     virtual unsigned int val2buf(void *val, bool reuse = false);
00088     virtual unsigned int buf2val(void **val);
00089 
00090     virtual dods_float64 value() const;
00091     virtual bool set_value(dods_float64 val);
00092 
00093     virtual void print_val(FILE *out, string space = "",
00094                            bool print_decl_p = true);
00095     virtual void print_val(ostream &out, string space = "",
00096                            bool print_decl_p = true);
00097 
00098     virtual bool ops(BaseType *b, int op);
00099 
00100     virtual void dump(ostream &strm) const ;
00101 };
00102 
00103 } // namespace libdap
00104 
00105 #endif // _float64_h
00106