<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"> <title>NVIDIA CUDA Library: cuInit</title> <link href="customdoxygen.css" rel="stylesheet" type="text/css"> <link href="tabs.css" rel="stylesheet" type="text/css"> </head><body> <!-- Generated by Doxygen 1.5.8 --> <div class="navigation" id="top"> <div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="modules.html"><span>Modules</span></a></li> <li><a href="annotated.html"><span>Data Structures</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> </ul> </div> </div> <div class="contents"> <div class="navpath"><a class="el" href="group__CUDA__INITIALIZE.html">Initialization</a> </div> <table cellspacing="0" cellpadding="0" border="0"> <tr> <td valign="top"> <div class="navtab"> <table> <tr><td class="navtab"><a class="qindexHL" href="group__CUDA__INITIALIZE_g0a2f1517e1bd8502c7194c3a8c134bc3.html#g0a2f1517e1bd8502c7194c3a8c134bc3">cuInit</a></td></tr> </table> </div> </td> <td valign="top"> <a class="anchor" name="g0a2f1517e1bd8502c7194c3a8c134bc3"></a><!-- doxytag: member="cuda.h::cuInit" ref="g0a2f1517e1bd8502c7194c3a8c134bc3" args="(unsigned int Flags)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="group__CUDA__TYPES_g09da14df1a751dcbfeccb9cf0073d64c.html#g09da14df1a751dcbfeccb9cf0073d64c">CUresult</a> cuInit </td> <td>(</td> <td class="paramtype">unsigned int </td> <td class="paramname"> <em>Flags</em> </td> <td> ) </td> <td></td> </tr> </table> </div> <div class="memdoc"> <p> Initializes the driver API and must be called before any other function from the driver API. Currently, the <code>Flags</code> parameter must be 0. If <a class="el" href="group__CUDA__INITIALIZE_g0a2f1517e1bd8502c7194c3a8c134bc3.html#g0a2f1517e1bd8502c7194c3a8c134bc3" title="Initialize the CUDA driver API.">cuInit()</a> has not been called, any function from the driver API will return <a class="el" href="group__CUDA__TYPES_g0cdead942fd5028d157641eef6bdeeaa.html#gg0cdead942fd5028d157641eef6bdeeaa8feb999f0af99b4a25ab26b3866f4df8">CUDA_ERROR_NOT_INITIALIZED</a>.<p> <dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>Flags</em> </td><td>- Initialization flag for CUDA.</td></tr> </table> </dl> <dl class="return" compact><dt><b>Returns:</b></dt><dd><a class="el" href="group__CUDA__TYPES_g0cdead942fd5028d157641eef6bdeeaa.html#gg0cdead942fd5028d157641eef6bdeeaaa0eed720f8a87cd1c5fd1c453bc7a03d">CUDA_SUCCESS</a>, <a class="el" href="group__CUDA__TYPES_g0cdead942fd5028d157641eef6bdeeaa.html#gg0cdead942fd5028d157641eef6bdeeaa90696c86fcee1f536a1ec7d25867feeb">CUDA_ERROR_INVALID_VALUE</a>, <a class="el" href="group__CUDA__TYPES_g0cdead942fd5028d157641eef6bdeeaa.html#gg0cdead942fd5028d157641eef6bdeeaa6f047e7215788ca96c81af92a04bfb6c">CUDA_ERROR_INVALID_DEVICE</a> </dd></dl> <dl class="note" compact><dt><b>Note:</b></dt><dd>Note that this function may also return error codes from previous, asynchronous launches. </dd></dl> </div> </div><p> </td> </tr> </table> </div> <hr size="1"><address style="text-align: right;"><small> Generated by Doxygen for NVIDIA CUDA Library <a href="http://www.nvidia.com/cuda"><img src="nvidia_logo.jpg" alt="NVIDIA" align="middle" border="0" height="80"></a></small></address> </body> </html>