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H5T_GET_FIELDS

Retrieves floating point datatype bit field information

Procedure:

H5T_GET_FIELDS (dtype_id, spos, epos, esize, mpos, msize)

Signature:

herr_t H5Tget_fields( hid_t dtype_id, size_t *spos, size_t *epos, size_t *esize, size_t *mpos, size_t *msize )

SUBROUTINE h5tget_fields_f(type_id, spos, epos, esize, mpos, msize, hdferr)
  IMPLICIT NONE
  INTEGER(HID_T), INTENT(IN) :: type_id ! Datatype identifier
  INTEGER(SIZE_T), INTENT(OUT) :: spos  ! sign bit-position 
  INTEGER(SIZE_T), INTENT(OUT) :: epos  ! exponent bit-position 
  INTEGER(SIZE_T), INTENT(OUT) :: esize ! size of exponent in bits
  INTEGER(SIZE_T), INTENT(OUT) :: mpos  ! mantissa bit-position 
  INTEGER(SIZE_T), INTENT(OUT) :: msize ! size of mantissa in bits
  INTEGER, INTENT(OUT) :: hdferr        ! Error code
END SUBROUTINE h5tget_fields_f

Parameters:
hid_t dtype_id    IN: Identifier of datatype to query
size_t *sposOUT: Pointer to location to return floating-point sign bit
size_t *eposOUT: Pointer to location to return exponent bit-position
size_t *esizeOUT: Pointer to location to return size of exponent in bits
size_t *mposOUT: Pointer to location to return mantissa bit-position
size_t *msizeOUT: Pointer to location to return size of mantissa in bits

Description:

H5T_GET_FIELDS retrieves information about the locations of the various bit fields of a floating point datatype. The field positions are bit positions in the significant region of the datatype. Bits are numbered with the least significant bit number zero. Any (or even all) of the arguments can be null pointers.

Returns:

Returns a non-negative value if successful; otherwise returns a negative value.

Example:

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--- Last Modified: May 16, 2019 | 09:29 AM