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<title>Hardware Locality (hwloc): The bitmap API</title>
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<div id="projectname">Hardware Locality (hwloc)
 <span id="projectnumber">1.10.0</span>
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</div><!-- top -->
<div class="header">
<div class="summary">
<a href="#define-members">Macros</a> |
<a href="#typedef-members">Typedefs</a> |
<a href="#func-members">Functions</a> </div>
<div class="headertitle">
<div class="title">The bitmap API</div> </div>
</div><!--header-->
<div class="contents">
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a>
Macros</h2></td></tr>
<tr class="memitem:ga3f6861045a8029ade373510ffa727d2a"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#ga3f6861045a8029ade373510ffa727d2a">hwloc_bitmap_foreach_begin</a>(id, bitmap)</td></tr>
<tr class="separator:ga3f6861045a8029ade373510ffa727d2a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gafcf3246db406218d4e155735b3fa6528"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#gafcf3246db406218d4e155735b3fa6528">hwloc_bitmap_foreach_end</a>()</td></tr>
<tr class="separator:gafcf3246db406218d4e155735b3fa6528"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="typedef-members"></a>
Typedefs</h2></td></tr>
<tr class="memitem:gaa3c2bf4c776d603dcebbb61b0c923d84"><td class="memItemLeft" align="right" valign="top">typedef struct hwloc_bitmap_s * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84">hwloc_bitmap_t</a></td></tr>
<tr class="separator:gaa3c2bf4c776d603dcebbb61b0c923d84"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gae991a108af01d408be2776c5b2c467b2"><td class="memItemLeft" align="right" valign="top">typedef const struct <br class="typebreak" />
hwloc_bitmap_s * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a></td></tr>
<tr class="separator:gae991a108af01d408be2776c5b2c467b2"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:gadece3d1eb5199fc2fb99bc7dcf1ccc05"><td class="memItemLeft" align="right" valign="top"><a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84">hwloc_bitmap_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#gadece3d1eb5199fc2fb99bc7dcf1ccc05">hwloc_bitmap_alloc</a> (void)</td></tr>
<tr class="separator:gadece3d1eb5199fc2fb99bc7dcf1ccc05"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga02853b4a224970587b9d7a0e20d857c0"><td class="memItemLeft" align="right" valign="top"><a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84">hwloc_bitmap_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#ga02853b4a224970587b9d7a0e20d857c0">hwloc_bitmap_alloc_full</a> (void)</td></tr>
<tr class="separator:ga02853b4a224970587b9d7a0e20d857c0"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga156130d85b3a0674d6e0e6770fe68fbe"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#ga156130d85b3a0674d6e0e6770fe68fbe">hwloc_bitmap_free</a> (<a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84">hwloc_bitmap_t</a> bitmap)</td></tr>
<tr class="separator:ga156130d85b3a0674d6e0e6770fe68fbe"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gae679434c1a5f41d3560a8a7e2c1b0dee"><td class="memItemLeft" align="right" valign="top"><a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84">hwloc_bitmap_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#gae679434c1a5f41d3560a8a7e2c1b0dee">hwloc_bitmap_dup</a> (<a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> bitmap)</td></tr>
<tr class="separator:gae679434c1a5f41d3560a8a7e2c1b0dee"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga036068a22d1aa5cb9ff1df348b525ff3"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#ga036068a22d1aa5cb9ff1df348b525ff3">hwloc_bitmap_copy</a> (<a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84">hwloc_bitmap_t</a> dst, <a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> src)</td></tr>
<tr class="separator:ga036068a22d1aa5cb9ff1df348b525ff3"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga9511644657030a021dce9941e3cda583"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#ga9511644657030a021dce9941e3cda583">hwloc_bitmap_snprintf</a> (char *restrict buf, size_t buflen, <a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> bitmap)</td></tr>
<tr class="separator:ga9511644657030a021dce9941e3cda583"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga0fece972134fdecf2da9bc7a11dd827e"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#ga0fece972134fdecf2da9bc7a11dd827e">hwloc_bitmap_asprintf</a> (char **strp, <a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> bitmap)</td></tr>
<tr class="separator:ga0fece972134fdecf2da9bc7a11dd827e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga064a85c643a364b60acbfa0f3663fc18"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#ga064a85c643a364b60acbfa0f3663fc18">hwloc_bitmap_sscanf</a> (<a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84">hwloc_bitmap_t</a> bitmap, const char *restrict string)</td></tr>
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<tr class="memitem:ga3d06e6447edeb61e56a9ad83f31f0a37"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#ga3d06e6447edeb61e56a9ad83f31f0a37">hwloc_bitmap_list_snprintf</a> (char *restrict buf, size_t buflen, <a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> bitmap)</td></tr>
<tr class="separator:ga3d06e6447edeb61e56a9ad83f31f0a37"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga39c0f1b02053de66d205c9f8260b3665"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#ga39c0f1b02053de66d205c9f8260b3665">hwloc_bitmap_list_asprintf</a> (char **strp, <a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> bitmap)</td></tr>
<tr class="separator:ga39c0f1b02053de66d205c9f8260b3665"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaf9314311d482c621e17c6a53a9fe993e"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#gaf9314311d482c621e17c6a53a9fe993e">hwloc_bitmap_list_sscanf</a> (<a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84">hwloc_bitmap_t</a> bitmap, const char *restrict string)</td></tr>
<tr class="separator:gaf9314311d482c621e17c6a53a9fe993e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga5beb68a987fe48e5c5edef06ab260e14"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#ga5beb68a987fe48e5c5edef06ab260e14">hwloc_bitmap_taskset_snprintf</a> (char *restrict buf, size_t buflen, <a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> bitmap)</td></tr>
<tr class="separator:ga5beb68a987fe48e5c5edef06ab260e14"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga391312513f17c985d871f18367c59512"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#ga391312513f17c985d871f18367c59512">hwloc_bitmap_taskset_asprintf</a> (char **strp, <a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> bitmap)</td></tr>
<tr class="separator:ga391312513f17c985d871f18367c59512"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga4f23db5041240e03e348752f8bd6ec2d"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#ga4f23db5041240e03e348752f8bd6ec2d">hwloc_bitmap_taskset_sscanf</a> (<a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84">hwloc_bitmap_t</a> bitmap, const char *restrict string)</td></tr>
<tr class="separator:ga4f23db5041240e03e348752f8bd6ec2d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaa97c5217613c8cae9862287170ea2132"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#gaa97c5217613c8cae9862287170ea2132">hwloc_bitmap_zero</a> (<a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84">hwloc_bitmap_t</a> bitmap)</td></tr>
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<tr class="memitem:ga07b2de8786b3cdb22f21d9dd42588275"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#ga07b2de8786b3cdb22f21d9dd42588275">hwloc_bitmap_fill</a> (<a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84">hwloc_bitmap_t</a> bitmap)</td></tr>
<tr class="separator:ga07b2de8786b3cdb22f21d9dd42588275"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga037032ba6aaf49c2e6836e2dbb7855c4"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#ga037032ba6aaf49c2e6836e2dbb7855c4">hwloc_bitmap_only</a> (<a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84">hwloc_bitmap_t</a> bitmap, unsigned id)</td></tr>
<tr class="separator:ga037032ba6aaf49c2e6836e2dbb7855c4"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga3b944660dcfcb8d655883742b3ea86a7"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#ga3b944660dcfcb8d655883742b3ea86a7">hwloc_bitmap_allbut</a> (<a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84">hwloc_bitmap_t</a> bitmap, unsigned id)</td></tr>
<tr class="separator:ga3b944660dcfcb8d655883742b3ea86a7"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaba53aebd49962acea4e3e0ff160172e3"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#gaba53aebd49962acea4e3e0ff160172e3">hwloc_bitmap_from_ulong</a> (<a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84">hwloc_bitmap_t</a> bitmap, unsigned long mask)</td></tr>
<tr class="separator:gaba53aebd49962acea4e3e0ff160172e3"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga6066e095e6f23302f0a1ca7284d0b651"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#ga6066e095e6f23302f0a1ca7284d0b651">hwloc_bitmap_from_ith_ulong</a> (<a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84">hwloc_bitmap_t</a> bitmap, unsigned i, unsigned long mask)</td></tr>
<tr class="separator:ga6066e095e6f23302f0a1ca7284d0b651"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga55480e96ab47941bfebb9aed676526a2"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#ga55480e96ab47941bfebb9aed676526a2">hwloc_bitmap_set</a> (<a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84">hwloc_bitmap_t</a> bitmap, unsigned id)</td></tr>
<tr class="separator:ga55480e96ab47941bfebb9aed676526a2"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga7a1d8530b282397f56b0d82b17e6d13d"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#ga7a1d8530b282397f56b0d82b17e6d13d">hwloc_bitmap_set_range</a> (<a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84">hwloc_bitmap_t</a> bitmap, unsigned begin, int end)</td></tr>
<tr class="separator:ga7a1d8530b282397f56b0d82b17e6d13d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gab16b6f6383b51f9c314abe15478ff6ff"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#gab16b6f6383b51f9c314abe15478ff6ff">hwloc_bitmap_set_ith_ulong</a> (<a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84">hwloc_bitmap_t</a> bitmap, unsigned i, unsigned long mask)</td></tr>
<tr class="separator:gab16b6f6383b51f9c314abe15478ff6ff"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gabddf36d47882c0a4f1e2b3c76cac877c"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#gabddf36d47882c0a4f1e2b3c76cac877c">hwloc_bitmap_clr</a> (<a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84">hwloc_bitmap_t</a> bitmap, unsigned id)</td></tr>
<tr class="separator:gabddf36d47882c0a4f1e2b3c76cac877c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga207ae23381d7b37fb97fd1f906c9c5ba"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#ga207ae23381d7b37fb97fd1f906c9c5ba">hwloc_bitmap_clr_range</a> (<a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84">hwloc_bitmap_t</a> bitmap, unsigned begin, int end)</td></tr>
<tr class="separator:ga207ae23381d7b37fb97fd1f906c9c5ba"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga36d802130aa5d96bc1b5a90d2f0f3765"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#ga36d802130aa5d96bc1b5a90d2f0f3765">hwloc_bitmap_singlify</a> (<a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84">hwloc_bitmap_t</a> bitmap)</td></tr>
<tr class="separator:ga36d802130aa5d96bc1b5a90d2f0f3765"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gab6a6bae22a33ec6adfc169a953c13e6c"><td class="memItemLeft" align="right" valign="top">unsigned long </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#gab6a6bae22a33ec6adfc169a953c13e6c">hwloc_bitmap_to_ulong</a> (<a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> bitmap)</td></tr>
<tr class="separator:gab6a6bae22a33ec6adfc169a953c13e6c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gac92e6404f648d6b99d2c626b05b2ffa4"><td class="memItemLeft" align="right" valign="top">unsigned long </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#gac92e6404f648d6b99d2c626b05b2ffa4">hwloc_bitmap_to_ith_ulong</a> (<a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> bitmap, unsigned i)</td></tr>
<tr class="separator:gac92e6404f648d6b99d2c626b05b2ffa4"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga11340dd487f110bb84f0a6e4ae90bd06"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#ga11340dd487f110bb84f0a6e4ae90bd06">hwloc_bitmap_isset</a> (<a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> bitmap, unsigned id)</td></tr>
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<tr class="memitem:ga5b64be28f5a7176ed8ad0d6a90bdf108"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#ga5b64be28f5a7176ed8ad0d6a90bdf108">hwloc_bitmap_iszero</a> (<a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> bitmap)</td></tr>
<tr class="separator:ga5b64be28f5a7176ed8ad0d6a90bdf108"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga5fdcb8c19c336511c37076d649e74af4"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#ga5fdcb8c19c336511c37076d649e74af4">hwloc_bitmap_isfull</a> (<a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> bitmap)</td></tr>
<tr class="separator:ga5fdcb8c19c336511c37076d649e74af4"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga3ec1ced43afadf8c0a7197320bc016ed"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#ga3ec1ced43afadf8c0a7197320bc016ed">hwloc_bitmap_first</a> (<a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> bitmap)</td></tr>
<tr class="separator:ga3ec1ced43afadf8c0a7197320bc016ed"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaab7240b4b644693b775dad17b44ffd68"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#gaab7240b4b644693b775dad17b44ffd68">hwloc_bitmap_next</a> (<a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> bitmap, int prev)</td></tr>
<tr class="separator:gaab7240b4b644693b775dad17b44ffd68"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga3d9b08b060a59bbab5a4ea6d0a1ed7a6"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#ga3d9b08b060a59bbab5a4ea6d0a1ed7a6">hwloc_bitmap_last</a> (<a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> bitmap)</td></tr>
<tr class="separator:ga3d9b08b060a59bbab5a4ea6d0a1ed7a6"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga0200466842c0e1f5da75e84dde460b10"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#ga0200466842c0e1f5da75e84dde460b10">hwloc_bitmap_weight</a> (<a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> bitmap)</td></tr>
<tr class="separator:ga0200466842c0e1f5da75e84dde460b10"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga1281994d6cc3b5079224190ca820ad93"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#ga1281994d6cc3b5079224190ca820ad93">hwloc_bitmap_or</a> (<a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84">hwloc_bitmap_t</a> res, <a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> bitmap1, <a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> bitmap2)</td></tr>
<tr class="separator:ga1281994d6cc3b5079224190ca820ad93"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga4a3e12ab9e20cfec66a3dc2db16806be"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#ga4a3e12ab9e20cfec66a3dc2db16806be">hwloc_bitmap_and</a> (<a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84">hwloc_bitmap_t</a> res, <a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> bitmap1, <a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> bitmap2)</td></tr>
<tr class="separator:ga4a3e12ab9e20cfec66a3dc2db16806be"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga091e9039ce7b6fe927260cd1b08d25c4"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#ga091e9039ce7b6fe927260cd1b08d25c4">hwloc_bitmap_andnot</a> (<a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84">hwloc_bitmap_t</a> res, <a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> bitmap1, <a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> bitmap2)</td></tr>
<tr class="separator:ga091e9039ce7b6fe927260cd1b08d25c4"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaf462ead487d1891e37f4443a397d3c42"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#gaf462ead487d1891e37f4443a397d3c42">hwloc_bitmap_xor</a> (<a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84">hwloc_bitmap_t</a> res, <a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> bitmap1, <a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> bitmap2)</td></tr>
<tr class="separator:gaf462ead487d1891e37f4443a397d3c42"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga8cd2c26d71510138b22a12db41419742"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#ga8cd2c26d71510138b22a12db41419742">hwloc_bitmap_not</a> (<a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84">hwloc_bitmap_t</a> res, <a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> bitmap)</td></tr>
<tr class="separator:ga8cd2c26d71510138b22a12db41419742"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaefa070f9232857ba5a57297ea9a08ea2"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#gaefa070f9232857ba5a57297ea9a08ea2">hwloc_bitmap_intersects</a> (<a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> bitmap1, <a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> bitmap2)</td></tr>
<tr class="separator:gaefa070f9232857ba5a57297ea9a08ea2"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga0526e03db81956fb02acc8260b66d6a4"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#ga0526e03db81956fb02acc8260b66d6a4">hwloc_bitmap_isincluded</a> (<a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> sub_bitmap, <a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> super_bitmap)</td></tr>
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<tr class="memitem:ga32376b1405e57472b73c3aa53bb39663"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#ga32376b1405e57472b73c3aa53bb39663">hwloc_bitmap_isequal</a> (<a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> bitmap1, <a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> bitmap2)</td></tr>
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<tr class="memitem:gaa39cda1510ab721b5c012c76ead72365"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#gaa39cda1510ab721b5c012c76ead72365">hwloc_bitmap_compare_first</a> (<a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> bitmap1, <a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> bitmap2)</td></tr>
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<tr class="memitem:ga14cdbc0ef0a705e84999bd48a2e649f3"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00096.html#ga14cdbc0ef0a705e84999bd48a2e649f3">hwloc_bitmap_compare</a> (<a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> bitmap1, <a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> bitmap2)</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>The <a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84" title="Set of bits represented as an opaque pointer to an internal bitmap. ">hwloc_bitmap_t</a> type represents a set of objects, typically OS processors – which may actually be hardware threads (represented by <a class="el" href="a00073.html#ga4bbf39b68b6f568fb92739e7c0ea7801" title="A CPU set is a bitmap whose bits are set according to CPU physical OS indexes. ">hwloc_cpuset_t</a>, which is a typedef for <a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84" title="Set of bits represented as an opaque pointer to an internal bitmap. ">hwloc_bitmap_t</a>) – or memory nodes (represented by <a class="el" href="a00073.html#ga37e35730fa7e775b5bb0afe893d6d508" title="A node set is a bitmap whose bits are set according to NUMA memory node physical OS indexes...">hwloc_nodeset_t</a>, which is also a typedef for <a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84" title="Set of bits represented as an opaque pointer to an internal bitmap. ">hwloc_bitmap_t</a>).</p>
<p><em>Both CPU and node sets are always indexed by OS physical number.</em></p>
<dl class="section note"><dt>Note</dt><dd>CPU sets and nodesets are described in <a class="el" href="a00073.html">Object Sets (hwloc_cpuset_t and hwloc_nodeset_t)</a>.</dd></dl>
<p>A bitmap may be of infinite size.</p>
<dl class="section note"><dt>Note</dt><dd>Several examples of using the bitmap API are available under the doc/examples/ directory in the source tree. Regression tests such as tests/hwloc_bitmap*.c also make intensive use of this API. </dd></dl>
<h2 class="groupheader">Macro Definition Documentation</h2>
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<td class="memname">#define hwloc_bitmap_foreach_begin</td>
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<p>Loop macro iterating on bitmap <code>bitmap</code>. </p>
<p><code>index</code> is the loop variable; it should be an unsigned int. The first iteration will set <code>index</code> to the lowest index in the bitmap. Successive iterations will iterate through, in order, all remaining indexes that in the bitmap. To be specific: each iteration will return a value for <code>index</code> such that hwloc_bitmap_isset(bitmap, index) is true.</p>
<p>The assert prevents the loop from being infinite if the bitmap is infinite. </p>
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<td class="memname">#define hwloc_bitmap_foreach_end</td>
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<b>Value:</b><div class="fragment"><div class="line">} \</div>
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<h2 class="groupheader">Typedef Documentation</h2>
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<td class="memname">typedef struct hwloc_bitmap_s* <a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84">hwloc_bitmap_t</a></td>
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<p>Set of bits represented as an opaque pointer to an internal bitmap. </p>
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<td class="memname">typedef const struct hwloc_bitmap_s* <a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a></td>
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<p>a non-modifiable <a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84" title="Set of bits represented as an opaque pointer to an internal bitmap. ">hwloc_bitmap_t</a> </p>
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<h2 class="groupheader">Function Documentation</h2>
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<td class="memname">void hwloc_bitmap_allbut </td>
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<p>Fill the bitmap <code>and</code> clear the index <code>id</code>. </p>
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<td class="memname"><a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84">hwloc_bitmap_t</a> hwloc_bitmap_alloc </td>
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<p>Allocate a new empty bitmap. </p>
<dl class="section return"><dt>Returns</dt><dd>A valid bitmap or <code>NULL</code>.</dd></dl>
<p>The bitmap should be freed by a corresponding call to <a class="el" href="a00096.html#ga156130d85b3a0674d6e0e6770fe68fbe" title="Free bitmap bitmap. ">hwloc_bitmap_free()</a>. </p>
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<td class="memname"><a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84">hwloc_bitmap_t</a> hwloc_bitmap_alloc_full </td>
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<p>Allocate a new full bitmap. </p>
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<td class="memname">void hwloc_bitmap_and </td>
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<td class="paramname"><em>res</em>, </td>
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<td class="paramtype"><a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> </td>
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<p>And bitmaps <code>bitmap1</code> and <code>bitmap2</code> and store the result in bitmap <code>res</code>. </p>
<p><code>res</code> can be the same as <code>bitmap1</code> or <code>bitmap2</code> </p>
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<td class="memname">void hwloc_bitmap_andnot </td>
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<p>And bitmap <code>bitmap1</code> and the negation of <code>bitmap2</code> and store the result in bitmap <code>res</code>. </p>
<p><code>res</code> can be the same as <code>bitmap1</code> or <code>bitmap2</code> </p>
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<td class="memname">int hwloc_bitmap_asprintf </td>
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<p>Stringify a bitmap into a newly allocated string. </p>
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<td class="memname">void hwloc_bitmap_clr </td>
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<p>Remove index <code>id</code> from bitmap <code>bitmap</code>. </p>
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<td class="memname">void hwloc_bitmap_clr_range </td>
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<p>Remove indexes from <code>begin</code> to <code>end</code> in bitmap <code>bitmap</code>. </p>
<p>If <code>end</code> is <code>-1</code>, the range is infinite. </p>
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<td class="memname">int hwloc_bitmap_compare </td>
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<p>Compare bitmaps <code>bitmap1</code> and <code>bitmap2</code> using their highest index. </p>
<p>Higher most significant bit is higher. The empty bitmap is considered lower than anything. </p>
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<td class="memname">int hwloc_bitmap_compare_first </td>
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<p>Compare bitmaps <code>bitmap1</code> and <code>bitmap2</code> using their lowest index. </p>
<p>Smaller least significant bit is smaller. The empty bitmap is considered higher than anything. </p>
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<td class="memname">void hwloc_bitmap_copy </td>
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<p>Copy the contents of bitmap <code>src</code> into the already allocated bitmap <code>dst</code>. </p>
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<p>Duplicate bitmap <code>bitmap</code> by allocating a new bitmap and copying <code>bitmap</code> contents. </p>
<p>If <code>bitmap</code> is <code>NULL</code>, <code>NULL</code> is returned. </p>
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<td class="memname">void hwloc_bitmap_fill </td>
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<p>Fill bitmap <code>bitmap</code> with all possible indexes (even if those objects don't exist or are otherwise unavailable) </p>
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<p>Compute the first index (least significant bit) in bitmap <code>bitmap</code>. </p>
<dl class="section return"><dt>Returns</dt><dd>-1 if no index is set. </dd></dl>
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<td class="memname">void hwloc_bitmap_free </td>
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<p>Free bitmap <code>bitmap</code>. </p>
<p>If <code>bitmap</code> is <code>NULL</code>, no operation is performed. </p>
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<td class="memname">void hwloc_bitmap_from_ith_ulong </td>
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<td class="paramtype">unsigned </td>
<td class="paramname"><em>i</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">unsigned long </td>
<td class="paramname"><em>mask</em> </td>
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<p>Setup bitmap <code>bitmap</code> from unsigned long <code>mask</code> used as <code>i</code> -th subset. </p>
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<td class="memname">void hwloc_bitmap_from_ulong </td>
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<td class="paramtype"><a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84">hwloc_bitmap_t</a> </td>
<td class="paramname"><em>bitmap</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">unsigned long </td>
<td class="paramname"><em>mask</em> </td>
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<td></td>
<td>)</td>
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<p>Setup bitmap <code>bitmap</code> from unsigned long <code>mask</code>. </p>
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<td class="memname">int hwloc_bitmap_intersects </td>
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<td class="paramtype"><a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> </td>
<td class="paramname"><em>bitmap1</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> </td>
<td class="paramname"><em>bitmap2</em> </td>
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<td>)</td>
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<p>Test whether bitmaps <code>bitmap1</code> and <code>bitmap2</code> intersects. </p>
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<td class="memname">int hwloc_bitmap_isequal </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> </td>
<td class="paramname"><em>bitmap1</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> </td>
<td class="paramname"><em>bitmap2</em> </td>
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<td>)</td>
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<p>Test whether bitmap <code>bitmap1</code> is equal to bitmap <code>bitmap2</code>. </p>
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<td class="memname">int hwloc_bitmap_isfull </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> </td>
<td class="paramname"><em>bitmap</em></td><td>)</td>
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<p>Test whether bitmap <code>bitmap</code> is completely full. </p>
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<td class="memname">int hwloc_bitmap_isincluded </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> </td>
<td class="paramname"><em>sub_bitmap</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> </td>
<td class="paramname"><em>super_bitmap</em> </td>
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<p>Test whether bitmap <code>sub_bitmap</code> is part of bitmap <code>super_bitmap</code>. </p>
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<td class="memname">int hwloc_bitmap_isset </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> </td>
<td class="paramname"><em>bitmap</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">unsigned </td>
<td class="paramname"><em>id</em> </td>
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<td>)</td>
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<p>Test whether index <code>id</code> is part of bitmap <code>bitmap</code>. </p>
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<td class="memname">int hwloc_bitmap_iszero </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> </td>
<td class="paramname"><em>bitmap</em></td><td>)</td>
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<p>Test whether bitmap <code>bitmap</code> is empty. </p>
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<td class="memname">int hwloc_bitmap_last </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> </td>
<td class="paramname"><em>bitmap</em></td><td>)</td>
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<p>Compute the last index (most significant bit) in bitmap <code>bitmap</code>. </p>
<dl class="section return"><dt>Returns</dt><dd>-1 if no index is bitmap, or if the index bitmap is infinite. </dd></dl>
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<td class="memname">int hwloc_bitmap_list_asprintf </td>
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<td class="paramtype">char ** </td>
<td class="paramname"><em>strp</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> </td>
<td class="paramname"><em>bitmap</em> </td>
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<td>)</td>
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<p>Stringify a bitmap into a newly allocated list string. </p>
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<td class="memname">int hwloc_bitmap_list_snprintf </td>
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<td class="paramtype">char *restrict </td>
<td class="paramname"><em>buf</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"><em>buflen</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> </td>
<td class="paramname"><em>bitmap</em> </td>
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<p>Stringify a bitmap in the list format. </p>
<p>Lists are comma-separated indexes or ranges. Ranges are dash separated indexes. The last range may not have a ending indexes if the bitmap is infinite.</p>
<p>Up to <code>buflen</code> characters may be written in buffer <code>buf</code>.</p>
<p>If <code>buflen</code> is 0, <code>buf</code> may safely be <code>NULL</code>.</p>
<dl class="section return"><dt>Returns</dt><dd>the number of character that were actually written if not truncating, or that would have been written (not including the ending \0). </dd></dl>
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<td class="memname">int hwloc_bitmap_list_sscanf </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84">hwloc_bitmap_t</a> </td>
<td class="paramname"><em>bitmap</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const char *restrict </td>
<td class="paramname"><em>string</em> </td>
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<tr>
<td></td>
<td>)</td>
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<p>Parse a list string and stores it in bitmap <code>bitmap</code>. </p>
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<td class="memname">int hwloc_bitmap_next </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> </td>
<td class="paramname"><em>bitmap</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>prev</em> </td>
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<td></td>
<td>)</td>
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<p>Compute the next index in bitmap <code>bitmap</code> which is after index <code>prev</code>. </p>
<p>If <code>prev</code> is -1, the first index is returned.</p>
<dl class="section return"><dt>Returns</dt><dd>-1 if no index with higher index is bitmap. </dd></dl>
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<td class="memname">void hwloc_bitmap_not </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84">hwloc_bitmap_t</a> </td>
<td class="paramname"><em>res</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> </td>
<td class="paramname"><em>bitmap</em> </td>
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<td></td>
<td>)</td>
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<p>Negate bitmap <code>bitmap</code> and store the result in bitmap <code>res</code>. </p>
<p><code>res</code> can be the same as <code>bitmap</code> </p>
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<td class="memname">void hwloc_bitmap_only </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84">hwloc_bitmap_t</a> </td>
<td class="paramname"><em>bitmap</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">unsigned </td>
<td class="paramname"><em>id</em> </td>
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<td></td>
<td>)</td>
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<p>Empty the bitmap <code>bitmap</code> and add bit <code>id</code>. </p>
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<td class="memname">void hwloc_bitmap_or </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84">hwloc_bitmap_t</a> </td>
<td class="paramname"><em>res</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> </td>
<td class="paramname"><em>bitmap1</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> </td>
<td class="paramname"><em>bitmap2</em> </td>
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<p>Or bitmaps <code>bitmap1</code> and <code>bitmap2</code> and store the result in bitmap <code>res</code>. </p>
<p><code>res</code> can be the same as <code>bitmap1</code> or <code>bitmap2</code> </p>
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<td class="memname">void hwloc_bitmap_set </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84">hwloc_bitmap_t</a> </td>
<td class="paramname"><em>bitmap</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">unsigned </td>
<td class="paramname"><em>id</em> </td>
</tr>
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<td></td>
<td>)</td>
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<p>Add index <code>id</code> in bitmap <code>bitmap</code>. </p>
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<td class="memname">void hwloc_bitmap_set_ith_ulong </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84">hwloc_bitmap_t</a> </td>
<td class="paramname"><em>bitmap</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">unsigned </td>
<td class="paramname"><em>i</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">unsigned long </td>
<td class="paramname"><em>mask</em> </td>
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<td></td>
<td>)</td>
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<p>Replace <code>i</code> -th subset of bitmap <code>bitmap</code> with unsigned long <code>mask</code>. </p>
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<td class="memname">void hwloc_bitmap_set_range </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84">hwloc_bitmap_t</a> </td>
<td class="paramname"><em>bitmap</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">unsigned </td>
<td class="paramname"><em>begin</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>end</em> </td>
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<td>)</td>
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<p>Add indexes from <code>begin</code> to <code>end</code> in bitmap <code>bitmap</code>. </p>
<p>If <code>end</code> is <code>-1</code>, the range is infinite. </p>
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<td class="memname">void hwloc_bitmap_singlify </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84">hwloc_bitmap_t</a> </td>
<td class="paramname"><em>bitmap</em></td><td>)</td>
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<p>Keep a single index among those set in bitmap <code>bitmap</code>. </p>
<p>May be useful before binding so that the process does not have a chance of migrating between multiple logical CPUs in the original mask. </p>
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<td class="memname">int hwloc_bitmap_snprintf </td>
<td>(</td>
<td class="paramtype">char *restrict </td>
<td class="paramname"><em>buf</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"><em>buflen</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> </td>
<td class="paramname"><em>bitmap</em> </td>
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<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<p>Stringify a bitmap. </p>
<p>Up to <code>buflen</code> characters may be written in buffer <code>buf</code>.</p>
<p>If <code>buflen</code> is 0, <code>buf</code> may safely be <code>NULL</code>.</p>
<dl class="section return"><dt>Returns</dt><dd>the number of character that were actually written if not truncating, or that would have been written (not including the ending \0). </dd></dl>
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<td class="memname">int hwloc_bitmap_sscanf </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84">hwloc_bitmap_t</a> </td>
<td class="paramname"><em>bitmap</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const char *restrict </td>
<td class="paramname"><em>string</em> </td>
</tr>
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<td></td>
<td>)</td>
<td></td><td></td>
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<p>Parse a bitmap string and stores it in bitmap <code>bitmap</code>. </p>
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<td class="memname">int hwloc_bitmap_taskset_asprintf </td>
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<td class="paramtype">char ** </td>
<td class="paramname"><em>strp</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="a00096.html#gae991a108af01d408be2776c5b2c467b2">hwloc_const_bitmap_t</a> </td>
<td class="paramname"><em>bitmap</em> </td>
</tr>
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<td></td>
<td>)</td>
<td></td><td></td>
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<p>Stringify a bitmap into a newly allocated taskset-specific string. </p>
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<td class="memname">int hwloc_bitmap_taskset_snprintf </td>
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<td class="paramname"><em>bitmap</em> </td>
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<p>Stringify a bitmap in the taskset-specific format. </p>
<p>The taskset command manipulates bitmap strings that contain a single (possible very long) hexadecimal number starting with 0x.</p>
<p>Up to <code>buflen</code> characters may be written in buffer <code>buf</code>.</p>
<p>If <code>buflen</code> is 0, <code>buf</code> may safely be <code>NULL</code>.</p>
<dl class="section return"><dt>Returns</dt><dd>the number of character that were actually written if not truncating, or that would have been written (not including the ending \0). </dd></dl>
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<td class="memname">int hwloc_bitmap_taskset_sscanf </td>
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<td class="paramtype"><a class="el" href="a00096.html#gaa3c2bf4c776d603dcebbb61b0c923d84">hwloc_bitmap_t</a> </td>
<td class="paramname"><em>bitmap</em>, </td>
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<p>Parse a taskset-specific bitmap string and stores it in bitmap <code>bitmap</code>. </p>
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<td class="memname">unsigned long hwloc_bitmap_to_ith_ulong </td>
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<td class="paramname"><em>bitmap</em>, </td>
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<td class="paramtype">unsigned </td>
<td class="paramname"><em>i</em> </td>
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<p>Convert the <code>i</code> -th subset of bitmap <code>bitmap</code> into unsigned long mask. </p>
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<td class="memname">unsigned long hwloc_bitmap_to_ulong </td>
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<p>Convert the beginning part of bitmap <code>bitmap</code> into unsigned long <code>mask</code>. </p>
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<td class="memname">int hwloc_bitmap_weight </td>
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<p>Compute the "weight" of bitmap <code>bitmap</code> (i.e., number of indexes that are in the bitmap). </p>
<dl class="section return"><dt>Returns</dt><dd>the number of indexes that are in the bitmap. </dd></dl>
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<td class="memname">void hwloc_bitmap_xor </td>
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<td class="paramname"><em>res</em>, </td>
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<p>Xor bitmaps <code>bitmap1</code> and <code>bitmap2</code> and store the result in bitmap <code>res</code>. </p>
<p><code>res</code> can be the same as <code>bitmap1</code> or <code>bitmap2</code> </p>
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<td class="memname">void hwloc_bitmap_zero </td>
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<p>Empty the bitmap <code>bitmap</code>. </p>
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