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// C++ informative line for the emacs editor: -*- C++ -*-
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* Copyright by the Board of Trustees of the University of Illinois. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#ifndef __H5FloatType_H
#define __H5FloatType_H
namespace H5 {
/*! \class FloatType
\brief FloatType is a derivative of a DataType and operates on HDF5
floating point datatype.
Inheritance: AtomType -> DataType -> H5Object -> H5Location -> IdComponent
*/
class H5_DLLCPP FloatType : public AtomType {
public:
// Creates a floating-point type using a predefined type.
FloatType(const PredType& pred_type);
// Gets the floating-point datatype of the specified dataset.
FloatType(const DataSet& dataset);
// Constructors that open an HDF5 float datatype, given a location.
FloatType(const H5Location& loc, const char* name);
FloatType(const H5Location& loc, const H5std_string& name);
// Returns an FloatType object via DataType* by decoding the
// binary object description of this type.
virtual DataType* decode() const;
// Retrieves the exponent bias of a floating-point type.
size_t getEbias() const;
// Sets the exponent bias of a floating-point type.
void setEbias(size_t ebias) const;
// Retrieves floating point datatype bit field information.
void getFields(size_t& spos, size_t& epos, size_t& esize, size_t& mpos, size_t& msize) const;
// Sets locations and sizes of floating point bit fields.
void setFields(size_t spos, size_t epos, size_t esize, size_t mpos, size_t msize) const;
// Retrieves the internal padding type for unused bits in floating-point datatypes.
H5T_pad_t getInpad(H5std_string& pad_string) const;
// Fills unused internal floating point bits.
void setInpad(H5T_pad_t inpad) const;
// Retrieves mantissa normalization of a floating-point datatype.
H5T_norm_t getNorm(H5std_string& norm_string) const;
// Sets the mantissa normalization of a floating-point datatype.
void setNorm(H5T_norm_t norm) const;
///\brief Returns this class name.
virtual H5std_string fromClass () const { return("FloatType"); }
// Default constructor
FloatType();
// Creates a floating-point datatype using an existing id.
FloatType(const hid_t existing_id);
// Copy constructor: makes a copy of the original FloatType object.
FloatType(const FloatType& original);
// Noop destructor.
virtual ~FloatType();
}; // end of FloatType
} // namespace H5
#endif // __H5FloatType_H
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