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Hdf rm anchor
AnchorNamesummary

Excerpt

Sets the precision of an atomic datatype

.

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Hdf rm anchor
AnchorNameprocedure

Procedure:
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H5T_SET_PRECISION ( dtype_id, precision )

Hdf rm anchor
AnchorNamesignature

Signature:
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<pre><code class="language-c">herr_t H5Tset_precision( hid_t dtype_id, size_

tprecision

t precision )</code></pre>
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<pre><code class="language-fortran">SUBROUTINE h5tset_precision_f(type_id, precision, hdferr) 
  IMPLICIT NONE
  INTEGER(HID_T), INTENT(IN) :: type_id    ! Datatype identifier 
  INTEGER(SIZE_T), INTENT(IN) :: precision ! Datatype precision
  INTEGER, INTENT(OUT) :: hdferr           ! Error code
END SUBROUTINE h5tset_precision_f</code></pre>

Hdf rm anchor
AnchorNameparameters

Parameters:
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hid_t dtype_idIN: Identifier of datatype to set

.

size_t precision    IN: Number of bits of precision for datatype

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Hdf rm anchor
AnchorNamedescription

Description:
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H5Tset_precision H5Tget_size

H5T_SET_PRECISION sets the precision of an atomic datatype. The precision is the number of significant bits which, unless padding is present, is 8 times larger than the value returned by

 

H5T_GET_SIZE .

If the precision is increased then the offset is decreased and then the size is increased to insure that significant bits do not "hang over" the edge of the datatype.

Changing the precision of an H5T_STRING automatically changes the size as well. The precision must be a multiple of 8.

When decreasing the precision of a floating point type, set the locations and sizes of the sign, mantissa, and exponent fields first.

Hdf rm anchor
AnchorNamereturns

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

Hdf rm anchor
AnchorNameexample

Example:
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Bitbucket Server file
repoSlughdf5
branchIdrefs/heads/1.10/master
projectKeyHDFFV
filepathexamples/h5_subset.c
showLineNumberstrue
lineStart32
progLangcpp
lineEnd42
applicationLink5ac7b370-7412-3c8c-ad20-807a68261336

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repoSlughdf5
branchIdrefs/heads/1.10/master
projectKeyHDFFV
filepathfortran/examples/compound.f90
showLineNumberstrue
lineStart25
progLangplain
lineEnd35
applicationLink5ac7b370-7412-3c8c-ad20-807a68261336