h5cpp  0.5.1
A modern C++ wrapper for the HDF5 C library
float.hpp
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1 //
2 // (c) Copyright 2017 DESY,ESS
3 //
4 // This file is part of h5pp.
5 //
6 // This library is free software; you can redistribute it and/or modify it
7 // under the terms of the GNU Lesser General Public License as published
8 // by the Free Software Foundation; either version 2.1 of the License, or
9 // (at your option) any later version.
10 //
11 // This library is distributed in the hope that it will be useful, but
12 // WITHOUT ANY WARRANTY; without even the implied warranty ofMERCHANTABILITY
13 // or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
14 // License for more details.
15 //
16 // You should have received a copy of the GNU Lesser General Public License
17 // along with this library; if not, write to the
18 // Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor
19 // Boston, MA 02110-1301 USA
20 // ===========================================================================
21 //
22 // Authors:
23 // Eugen Wintersberger <eugen.wintersberger@desy.de>
24 // Martin Shetty <martin.shetty@esss.se>
25 // Jan Kotanski <jan.kotanski@desy.de>
26 // Created on: Aug 23, 2017
27 //
28 #pragma once
29 
31 #include <h5cpp/core/windows.hpp>
32 #include <vector>
33 
34 namespace hdf5 {
35 namespace datatype {
36 
37 class DLL_EXPORT Float : public Datatype {
38  public:
45  Float() = default;
46 
52  Float(ObjectHandle &&handle);
53 
64  explicit Float(const Datatype &datatype);
65 
71  virtual size_t precision() const;
72 
78  virtual void precision(size_t precision) const;
79 
85  virtual size_t offset() const;
86 
92  virtual void offset(size_t offset) const;
93 
99  virtual Order order() const;
100 
106  virtual void order(Order order) const;
107 
113  virtual const std::vector<Pad> pad() const;
114 
122  virtual void pad(Pad lsb, Pad msb) const;
123 
131  virtual const std::vector<size_t> fields() const;
132 
143  virtual void fields(size_t spos, size_t epos, size_t esize, size_t mpos, size_t msize) const;
144 
150  virtual size_t ebias() const;
151 
157  virtual void ebias(size_t ebias) const;
158 
164  virtual Norm norm() const;
165 
171  virtual void norm(Norm norm) const;
172 
178  virtual Pad inpad() const;
179 
185  virtual void inpad(Pad inpad) const;
186 };
187 
188 
190  private:
191  uint16_t _value;
192  public:
194  float16_t():_value(0u) {}
195 
197  float16_t(uint16_t v):_value(v) {}
198 
200  operator uint16_t() const {
201  return _value;
202  }
203 };
204 
205 
206 } // namespace datatype
207 } // namespace hdf5
Wrapper for hid_t object identifiers.
Definition: object_handle.hpp:67
base class for all data types
Definition: datatype.hpp:42
Definition: float.hpp:37
virtual const std::vector< size_t > fields() const
get the floating point datatype bit field information
virtual size_t precision() const
get the precision of type, i.e. the number of significant bits
Float(ObjectHandle &&handle)
constructor
virtual void offset(size_t offset) const
set the bit offset of the first significant bit
virtual void inpad(Pad inpad) const
set the internal padding type for unused bits in floating-point datatypes
virtual size_t offset() const
get the bit offset of the first significant bit
virtual void order(Order order) const
set the order of datatype
virtual Order order() const
get the order of datatype
virtual Norm norm() const
get the mantissa normalization of a floating-point datatype
virtual const std::vector< Pad > pad() const
get the pads of datatype
virtual size_t ebias() const
get the exponent bias of a floating-point type
Float()=default
default constructor
virtual void norm(Norm norm) const
set the mantissa normalization of a floating-point datatype
virtual void fields(size_t spos, size_t epos, size_t esize, size_t mpos, size_t msize) const
set the floating point datatype bit field information
virtual void ebias(size_t ebias) const
set the exponent bias of a floating-point type
virtual Pad inpad() const
get the internal padding type for unused bits in floating-point datatypes
virtual void precision(size_t precision) const
set the precision of a type, i.e. the number of significant bits
Float(const Datatype &datatype)
constructor
virtual void pad(Pad lsb, Pad msb) const
set the pads of datatype
Definition: float.hpp:189
float16_t(uint16_t v)
conversion constructor
Definition: float.hpp:197
float16_t()
default constructor
Definition: float.hpp:194
Norm
enumeration describes mantissa norm
Definition: types.hpp:119
Order
enumeration type for byte order
Definition: types.hpp:81
Pad
enumeration for floating point padding
Definition: types.hpp:138
top-level namespace of the entire library
Definition: attribute.hpp:45
#define DLL_EXPORT
Definition: windows.hpp:29