H5FloatType.h

// C++ informative line for the emacs editor: -*- C++ -*-
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Copyright by The HDF Group.                                               *
 * Copyright by the Board of Trustees of the University of Illinois.         *
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#ifndef H5FloatType_H
#define H5FloatType_H
 
namespace H5 {
 
//  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;
 
    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: same as the original FloatType.
    FloatType(const FloatType &original);
 
    // Noop destructor.
    virtual ~FloatType();
 
}; // end of FloatType
} // namespace H5
 
#endif // H5FloatType_H