libdap Updated for version 3.21.0
libdap4 is an implementation of OPeNDAP's DAP protocol.
Float64.h
1
2// -*- mode: c++; c-basic-offset:4 -*-
3
4// This file is part of libdap, A C++ implementation of the OPeNDAP Data
5// Access Protocol.
6
7// Copyright (c) 2002,2003 OPeNDAP, Inc.
8// Author: James Gallagher <jgallagher@opendap.org>
9//
10// This library is free software; you can redistribute it and/or
11// modify it under the terms of the GNU Lesser General Public
12// License as published by the Free Software Foundation; either
13// version 2.1 of the License, or (at your option) any later version.
14//
15// This library is distributed in the hope that it will be useful,
16// but WITHOUT ANY WARRANTY; without even the implied warranty of
17// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18// Lesser General Public License for more details.
19//
20// You should have received a copy of the GNU Lesser General Public
21// License along with this library; if not, write to the Free Software
22// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23//
24// You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.
25
26// (c) COPYRIGHT URI/MIT 1994-1999
27// Please read the full copyright statement in the file COPYRIGHT_URI.
28//
29// Authors:
30// jhrg,jimg James Gallagher <jgallagher@gso.uri.edu>
31
32// Interface for Float64 type.
33//
34// jhrg 9/7/94
35
36#ifndef _float64_h
37#define _float64_h 1
38
39
40#ifndef _dods_datatypes_h
41#include "dods-datatypes.h"
42#endif
43
44#ifndef _basetype_h
45#include "BaseType.h"
46#endif
47
48#ifndef constraint_evaluator_h
49#include "ConstraintEvaluator.h"
50#endif
51
52namespace libdap
53{
54
60class Float64: public BaseType
61{
62protected:
63 dods_float64 d_buf;
64
65public:
66 Float64(const string &n);
67 Float64(const string &n, const string &d);
68 virtual ~Float64()
69 {}
70
71 Float64(const Float64 &copy_from);
72
73 Float64 &operator=(const Float64 &rhs);
74
75 BaseType *ptr_duplicate() override;
76
77 unsigned int width(bool = false) const override
78 {
79 return sizeof(dods_float64);
80 }
81
82 int64_t width_ll(bool = false) const override
83 {
84 return sizeof(dods_float64);
85 }
86
87 // DAP2
88 bool serialize(ConstraintEvaluator &eval, DDS &dds, Marshaller &m, bool ce_eval = true) override;
89 bool deserialize(UnMarshaller &um, DDS *dds, bool reuse = false) override;
90
91 // DAP4
92 void compute_checksum(Crc32 &checksum) override;
93 void serialize(D4StreamMarshaller &m, DMR &dmr, /*ConstraintEvaluator &eval,*/ bool filter = false) override;
94 void deserialize(D4StreamUnMarshaller &um, DMR &dmr) override;
95
96 unsigned int val2buf(void *val, bool reuse = false) override;
97 unsigned int buf2val(void **val) override;
98
99 virtual dods_float64 value() const;
100 virtual bool set_value(dods_float64 val);
101
102 void print_val(FILE *out, string space = "",
103 bool print_decl_p = true) override;
104 void print_val(ostream &out, string space = "",
105 bool print_decl_p = true) override;
106
107 bool ops(BaseType *b, int op) override;
108 bool d4_ops(BaseType *b, int op) override;
109
110 void dump(ostream &strm) const override;
111};
112
113} // namespace libdap
114
115#endif // _float64_h
116
Definition crc.h:79
The basic data type for the DODS DAP types.
Definition BaseType.h:120
Holds a 64-bit (double precision) floating point value.
Definition Float64.h:61
unsigned int width(bool=false) const override
How many bytes does this variable use Return the number of bytes of storage this variable uses....
Definition Float64.h:77
bool deserialize(UnMarshaller &um, DDS *dds, bool reuse=false) override
Receive data from the net.
Definition Float64.cc:138
bool d4_ops(BaseType *b, int op) override
Evaluator a relop for DAP4.
Definition Float64.cc:278
unsigned int val2buf(void *val, bool reuse=false) override
Loads class data.
Definition Float64.cc:175
void dump(ostream &strm) const override
dumps information about this object
Definition Float64.cc:325
unsigned int buf2val(void **val) override
Reads the class data.
Definition Float64.cc:191
bool serialize(ConstraintEvaluator &eval, DDS &dds, Marshaller &m, bool ce_eval=true) override
Move data to the net, then remove them from the object.
Definition Float64.cc:119
void print_val(FILE *out, string space="", bool print_decl_p=true) override
Prints the value of the variable.
Definition Float64.cc:227
BaseType * ptr_duplicate() override
Definition Float64.cc:103
virtual dods_float64 value() const
Definition Float64.cc:212
void compute_checksum(Crc32 &checksum) override
include the data for this variable in the checksum DAP4 includes a checksum with every data response....
Definition Float64.cc:146
top level DAP object to house generic methods