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<title>The GNU Fortran Compiler: _gfortran_caf_num_images</title>
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Next: <a href="_005fgfortran_005fcaf_005fregister.html#g_t_005fgfortran_005fcaf_005fregister" accesskey="n" rel="next">_gfortran_caf_register</a>, Previous: <a href="_005fgfortran_005fcaf_005fthis_005fimage.html#g_t_005fgfortran_005fcaf_005fthis_005fimage" accesskey="p" rel="prev">_gfortran_caf_this_image</a>, Up: <a href="Function-ABI-Documentation.html#Function-ABI-Documentation" accesskey="u" rel="up">Function ABI Documentation</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Option-Index.html#Option-Index" title="Index" rel="index">Index</a>]</p>
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<a name="g_t_005fgfortran_005fcaf_005fnum_005fimages-_002d_002d_002d-Querying-the-maximal-number-of-images"></a>
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<h4 class="subsection">8.2.4 <code>_gfortran_caf_num_images</code> — Querying the maximal number of images</h4>
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<a name="index-Coarray_002c-_005fgfortran_005fcaf_005fnum_005fimages"></a>
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<dl compact="compact">
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<dt><em>Description</em>:</dt>
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<dd><p>This function returns the number of images in the current team, if
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<var>distance</var> is 0 or the number of images in the parent team at the specified
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distance. If failed is -1, the function returns the number of all images at
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the specified distance; if it is 0, the function returns the number of
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nonfailed images, and if it is 1, it returns the number of failed images.
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</p>
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</dd>
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<dt><em>Syntax</em>:</dt>
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<dd><p><code>int _gfortran_caf_num_images(int distance, int failed)</code>
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</p>
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</dd>
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<dt><em>Arguments</em>:</dt>
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<dd><table>
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<tr><td width="15%"><var>distance</var></td><td width="70%">the distance from this image to the ancestor.
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Shall be positive.</td></tr>
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<tr><td width="15%"><var>failed</var></td><td width="70%">shall be -1, 0, or 1</td></tr>
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</table>
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</dd>
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<dt><em>NOTES</em></dt>
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<dd><p>This function follows TS18508. If the num_image intrinsic has no arguments,
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the the compiler passes <code>distance=0</code> and <code>failed=-1</code> to the function.
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</p></dd>
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