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| author | Frank Baker <fbaker@hdfgroup.org> | 2009-04-30 21:33:02 (GMT) |
|---|---|---|
| committer | Frank Baker <fbaker@hdfgroup.org> | 2009-04-30 21:33:02 (GMT) |
| commit | 4413072ae4b3e7007b01c48b454ac4850467b953 (patch) | |
| tree | 67941188f8113539413a67914e031acfa1cdbdf1 | |
| parent | 78ec5b0403d7fdbb15cba8e12fd4a4953ce7e8fe (diff) | |
| download | hdf5-4413072ae4b3e7007b01c48b454ac4850467b953.zip hdf5-4413072ae4b3e7007b01c48b454ac4850467b953.tar.gz hdf5-4413072ae4b3e7007b01c48b454ac4850467b953.tar.bz2 | |
[svn-r16898] Description:
Added '-n, --NaN' option.
Added explanatory performance-related notes to "h5diff and
NaNs" discussion.
| -rw-r--r-- | doc/html/Tools/h5diff.htm | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/doc/html/Tools/h5diff.htm b/doc/html/Tools/h5diff.htm index e6221e7..6da3809 100644 --- a/doc/html/Tools/h5diff.htm +++ b/doc/html/Tools/h5diff.htm @@ -2,6 +2,10 @@ <!-- HEADER RIGHT "h5diff" --> <hr> <dl> +<dt><div align=right><font color=999999 size=-1><i> + Last modified: 29 April 2009 + </i></font></div> + <dt><strong>Tool Name:</strong> <a name="Tools-Diff">h5diff</a> <dt><strong>Syntax:</strong> <dd><code>h5diff </code> <em>file1</em> <em>file2</em> @@ -54,6 +58,14 @@ Thus, when one NaN is compared with another NaN, <code>h5diff</code> treats them as equal; when a NaN is compared with a valid number, <code>h5diff</code> treats them as not equal. + <p> + Note that NaN detection is computationally expensive and slows + <code>h5diff</code> performance dramatically. + If you do not have NaNs in your files, or do not care about NaNs, + use the <code>-N</code> option below to turn off NaN detection. + Similarly, if <code>h5diff -N</code> produces unexpected differences, + running <code>h5diff</code> without <code>-N</code> should reveal + whether any of the differences are associated with NaN values. <dt><strong>Options and Parameters:</strong> @@ -65,8 +77,12 @@ <dd>help message. <dt><code>-r</code> <dd>Report mode. Print the differences.<dt><code>-v</code> - <dd>Verbose mode. Print the differences, list of objects, warnings.<dt><code>-q</code> + <dd>Verbose mode. Print the differences, list of objects, warnings. + <dt><code>-q</code> <dd>Quiet mode. Do not print output. + <dt><code>-N</code> + <dd>Disables NaN detection; + see “<code>h5diff</code> and NaNs” above. <dt><code>-n</code> <em>count</em> <dd>Print difference up to <em>count</em> differences, then stop. |