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<div class="textblock"><code>#include &lt;<a class="el" href="support_2port__platform_8h_source.html">grpc/support/port_platform.h</a>&gt;</code><br/>
<code>#include &lt;stddef.h&gt;</code><br/>
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<p><a href="histogram_8h_source.html">Go to the source code of this file.</a></p>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="typedef-members"></a>
Typedefs</h2></td></tr>
<tr class="memitem:a7125b0cef0e61a441a17f887dbc073fc"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="histogram_8h.html#a7125b0cef0e61a441a17f887dbc073fc">gpr_histogram</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="histogram_8h.html#a7125b0cef0e61a441a17f887dbc073fc">gpr_histogram</a></td></tr>
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Functions</h2></td></tr>
<tr class="memitem:ac75fa96472e23bfddd0405d8bef13b6c"><td class="memItemLeft" align="right" valign="top"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> <a class="el" href="histogram_8h.html#a7125b0cef0e61a441a17f887dbc073fc">gpr_histogram</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="histogram_8h.html#ac75fa96472e23bfddd0405d8bef13b6c">gpr_histogram_create</a> (double resolution, double max_bucket_start)</td></tr>
<tr class="separator:ac75fa96472e23bfddd0405d8bef13b6c"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a8bced3cdf59ba9c9c6da6c13be8afd77"><td class="memItemLeft" align="right" valign="top"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="histogram_8h.html#a8bced3cdf59ba9c9c6da6c13be8afd77">gpr_histogram_destroy</a> (<a class="el" href="histogram_8h.html#a7125b0cef0e61a441a17f887dbc073fc">gpr_histogram</a> *h)</td></tr>
<tr class="separator:a8bced3cdf59ba9c9c6da6c13be8afd77"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a1fdd2db0df7d78e170d5d2c3878bd7e3"><td class="memItemLeft" align="right" valign="top"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="histogram_8h.html#a1fdd2db0df7d78e170d5d2c3878bd7e3">gpr_histogram_add</a> (<a class="el" href="histogram_8h.html#a7125b0cef0e61a441a17f887dbc073fc">gpr_histogram</a> *h, double x)</td></tr>
<tr class="separator:a1fdd2db0df7d78e170d5d2c3878bd7e3"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a199efc11a0cef2daaf27d2869cd07cce"><td class="memItemLeft" align="right" valign="top"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="histogram_8h.html#a199efc11a0cef2daaf27d2869cd07cce">gpr_histogram_merge</a> (<a class="el" href="histogram_8h.html#a7125b0cef0e61a441a17f887dbc073fc">gpr_histogram</a> *dst, const <a class="el" href="histogram_8h.html#a7125b0cef0e61a441a17f887dbc073fc">gpr_histogram</a> *src)</td></tr>
<tr class="memdesc:a199efc11a0cef2daaf27d2869cd07cce"><td class="mdescLeft">&#160;</td><td class="mdescRight">The following merges the second histogram into the first.  <a href="#a199efc11a0cef2daaf27d2869cd07cce">More...</a><br/></td></tr>
<tr class="separator:a199efc11a0cef2daaf27d2869cd07cce"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:acb1c9b30e0473ad37a4e0899d9bb058d"><td class="memItemLeft" align="right" valign="top"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="histogram_8h.html#acb1c9b30e0473ad37a4e0899d9bb058d">gpr_histogram_percentile</a> (<a class="el" href="histogram_8h.html#a7125b0cef0e61a441a17f887dbc073fc">gpr_histogram</a> *histogram, double percentile)</td></tr>
<tr class="separator:acb1c9b30e0473ad37a4e0899d9bb058d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:abc9e00d4f5410abaadc2a98dc95d178d"><td class="memItemLeft" align="right" valign="top"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="histogram_8h.html#abc9e00d4f5410abaadc2a98dc95d178d">gpr_histogram_mean</a> (<a class="el" href="histogram_8h.html#a7125b0cef0e61a441a17f887dbc073fc">gpr_histogram</a> *histogram)</td></tr>
<tr class="separator:abc9e00d4f5410abaadc2a98dc95d178d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:af8710eaa83e60a3210834a144af90158"><td class="memItemLeft" align="right" valign="top"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="histogram_8h.html#af8710eaa83e60a3210834a144af90158">gpr_histogram_stddev</a> (<a class="el" href="histogram_8h.html#a7125b0cef0e61a441a17f887dbc073fc">gpr_histogram</a> *histogram)</td></tr>
<tr class="separator:af8710eaa83e60a3210834a144af90158"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aff7334c462f915cb7bba90cb735a3bf5"><td class="memItemLeft" align="right" valign="top"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="histogram_8h.html#aff7334c462f915cb7bba90cb735a3bf5">gpr_histogram_variance</a> (<a class="el" href="histogram_8h.html#a7125b0cef0e61a441a17f887dbc073fc">gpr_histogram</a> *histogram)</td></tr>
<tr class="separator:aff7334c462f915cb7bba90cb735a3bf5"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a205494285effe5a2a9dfbff208fd426f"><td class="memItemLeft" align="right" valign="top"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="histogram_8h.html#a205494285effe5a2a9dfbff208fd426f">gpr_histogram_maximum</a> (<a class="el" href="histogram_8h.html#a7125b0cef0e61a441a17f887dbc073fc">gpr_histogram</a> *histogram)</td></tr>
<tr class="separator:a205494285effe5a2a9dfbff208fd426f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a91ccdae54fa075df03fc12fca721ec34"><td class="memItemLeft" align="right" valign="top"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="histogram_8h.html#a91ccdae54fa075df03fc12fca721ec34">gpr_histogram_minimum</a> (<a class="el" href="histogram_8h.html#a7125b0cef0e61a441a17f887dbc073fc">gpr_histogram</a> *histogram)</td></tr>
<tr class="separator:a91ccdae54fa075df03fc12fca721ec34"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad50537b777606a64d612c4345c94c5cd"><td class="memItemLeft" align="right" valign="top"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="histogram_8h.html#ad50537b777606a64d612c4345c94c5cd">gpr_histogram_count</a> (<a class="el" href="histogram_8h.html#a7125b0cef0e61a441a17f887dbc073fc">gpr_histogram</a> *histogram)</td></tr>
<tr class="separator:ad50537b777606a64d612c4345c94c5cd"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a72e9910135fb7e3c89a4a4c753dfd9df"><td class="memItemLeft" align="right" valign="top"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="histogram_8h.html#a72e9910135fb7e3c89a4a4c753dfd9df">gpr_histogram_sum</a> (<a class="el" href="histogram_8h.html#a7125b0cef0e61a441a17f887dbc073fc">gpr_histogram</a> *histogram)</td></tr>
<tr class="separator:a72e9910135fb7e3c89a4a4c753dfd9df"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a8ac634323fb67a8c0122ad675e925784"><td class="memItemLeft" align="right" valign="top"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="histogram_8h.html#a8ac634323fb67a8c0122ad675e925784">gpr_histogram_sum_of_squares</a> (<a class="el" href="histogram_8h.html#a7125b0cef0e61a441a17f887dbc073fc">gpr_histogram</a> *histogram)</td></tr>
<tr class="separator:a8ac634323fb67a8c0122ad675e925784"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab4234b040a3fc306166aa1a340a49988"><td class="memItemLeft" align="right" valign="top"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> const uint32_t *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="histogram_8h.html#ab4234b040a3fc306166aa1a340a49988">gpr_histogram_get_contents</a> (<a class="el" href="histogram_8h.html#a7125b0cef0e61a441a17f887dbc073fc">gpr_histogram</a> *histogram, size_t *count)</td></tr>
<tr class="separator:ab4234b040a3fc306166aa1a340a49988"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a3b28613ce094fefa707dec5b9a599e79"><td class="memItemLeft" align="right" valign="top"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="histogram_8h.html#a3b28613ce094fefa707dec5b9a599e79">gpr_histogram_merge_contents</a> (<a class="el" href="histogram_8h.html#a7125b0cef0e61a441a17f887dbc073fc">gpr_histogram</a> *histogram, const uint32_t *data, size_t data_count, double min_seen, double max_seen, double sum, double sum_of_squares, double count)</td></tr>
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          <td class="memname">typedef struct <a class="el" href="histogram_8h.html#a7125b0cef0e61a441a17f887dbc073fc">gpr_histogram</a> <a class="el" href="histogram_8h.html#a7125b0cef0e61a441a17f887dbc073fc">gpr_histogram</a></td>
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<h2 class="groupheader">Function Documentation</h2>
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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> void gpr_histogram_add </td>
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          <td class="paramtype"><a class="el" href="histogram_8h.html#a7125b0cef0e61a441a17f887dbc073fc">gpr_histogram</a> *&#160;</td>
          <td class="paramname"><em>h</em>, </td>
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        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">double&#160;</td>
          <td class="paramname"><em>x</em>&#160;</td>
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          <td>)</td>
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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> double gpr_histogram_count </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="histogram_8h.html#a7125b0cef0e61a441a17f887dbc073fc">gpr_histogram</a> *&#160;</td>
          <td class="paramname"><em>histogram</em></td><td>)</td>
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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> <a class="el" href="histogram_8h.html#a7125b0cef0e61a441a17f887dbc073fc">gpr_histogram</a>* gpr_histogram_create </td>
          <td>(</td>
          <td class="paramtype">double&#160;</td>
          <td class="paramname"><em>resolution</em>, </td>
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        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">double&#160;</td>
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          <td>)</td>
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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> void gpr_histogram_destroy </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="histogram_8h.html#a7125b0cef0e61a441a17f887dbc073fc">gpr_histogram</a> *&#160;</td>
          <td class="paramname"><em>h</em></td><td>)</td>
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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> const uint32_t* gpr_histogram_get_contents </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="histogram_8h.html#a7125b0cef0e61a441a17f887dbc073fc">gpr_histogram</a> *&#160;</td>
          <td class="paramname"><em>histogram</em>, </td>
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          <td class="paramtype">size_t *&#160;</td>
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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> double gpr_histogram_maximum </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="histogram_8h.html#a7125b0cef0e61a441a17f887dbc073fc">gpr_histogram</a> *&#160;</td>
          <td class="paramname"><em>histogram</em></td><td>)</td>
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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> double gpr_histogram_mean </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="histogram_8h.html#a7125b0cef0e61a441a17f887dbc073fc">gpr_histogram</a> *&#160;</td>
          <td class="paramname"><em>histogram</em></td><td>)</td>
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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> int gpr_histogram_merge </td>
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          <td class="paramtype"><a class="el" href="histogram_8h.html#a7125b0cef0e61a441a17f887dbc073fc">gpr_histogram</a> *&#160;</td>
          <td class="paramname"><em>dst</em>, </td>
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          <td class="paramtype">const <a class="el" href="histogram_8h.html#a7125b0cef0e61a441a17f887dbc073fc">gpr_histogram</a> *&#160;</td>
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<p>The following merges the second histogram into the first. </p>
<p>It only works if they have the same buckets and resolution. Returns 0 on failure, 1 on success </p>

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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> void gpr_histogram_merge_contents </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="histogram_8h.html#a7125b0cef0e61a441a17f887dbc073fc">gpr_histogram</a> *&#160;</td>
          <td class="paramname"><em>histogram</em>, </td>
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          <td class="paramtype">const uint32_t *&#160;</td>
          <td class="paramname"><em>data</em>, </td>
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          <td class="paramtype">size_t&#160;</td>
          <td class="paramname"><em>data_count</em>, </td>
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          <td class="paramtype">double&#160;</td>
          <td class="paramname"><em>min_seen</em>, </td>
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          <td class="paramtype">double&#160;</td>
          <td class="paramname"><em>max_seen</em>, </td>
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          <td class="paramtype">double&#160;</td>
          <td class="paramname"><em>sum</em>, </td>
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          <td class="paramtype">double&#160;</td>
          <td class="paramname"><em>sum_of_squares</em>, </td>
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          <td></td>
          <td class="paramtype">double&#160;</td>
          <td class="paramname"><em>count</em>&#160;</td>
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          <td>)</td>
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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> double gpr_histogram_minimum </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="histogram_8h.html#a7125b0cef0e61a441a17f887dbc073fc">gpr_histogram</a> *&#160;</td>
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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> double gpr_histogram_percentile </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="histogram_8h.html#a7125b0cef0e61a441a17f887dbc073fc">gpr_histogram</a> *&#160;</td>
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          <td class="paramtype">double&#160;</td>
          <td class="paramname"><em>percentile</em>&#160;</td>
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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> double gpr_histogram_stddev </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="histogram_8h.html#a7125b0cef0e61a441a17f887dbc073fc">gpr_histogram</a> *&#160;</td>
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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> double gpr_histogram_sum </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="histogram_8h.html#a7125b0cef0e61a441a17f887dbc073fc">gpr_histogram</a> *&#160;</td>
          <td class="paramname"><em>histogram</em></td><td>)</td>
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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> double gpr_histogram_sum_of_squares </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="histogram_8h.html#a7125b0cef0e61a441a17f887dbc073fc">gpr_histogram</a> *&#160;</td>
          <td class="paramname"><em>histogram</em></td><td>)</td>
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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> double gpr_histogram_variance </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="histogram_8h.html#a7125b0cef0e61a441a17f887dbc073fc">gpr_histogram</a> *&#160;</td>
          <td class="paramname"><em>histogram</em></td><td>)</td>
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