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| <title>hash_exponential_size_policy Interface</title> |
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| <h1><tt>hash_exponential_size_policy</tt> Interface</h1> |
| |
| <p>A size policy whose sequence of sizes form an exponential |
| sequence (typically powers of 2)</p> |
| |
| <p>Defined in: <a href= |
| "../../../../include/ext/pb_ds/hash_policy.hpp"><tt>hash_policy.hpp</tt></a></p> |
| |
| <h2><a name="link1" id="link1">Template Parameters</a></h2> |
| |
| <table class="c1" width="100%" border="1" summary= |
| "Template Parameters"> |
| <tr> |
| <td width="20%" align="left"><b>Parameter</b></td> |
| |
| <td width="50%" align="left"><b>Description</b></td> |
| |
| <td width="30%" align="left"><b>Default Value</b></td> |
| </tr> |
| |
| <tr> |
| <td> |
| <pre> |
| <a name="Size_Type42920436" id= |
| "Size_Type42920436"><b>typename</b> Size_Type </a> |
| </pre> |
| </td> |
| |
| <td> |
| <p>Size type.</p> |
| </td> |
| |
| <td>size_t</td> |
| </tr> |
| </table> |
| |
| <h2><a name="link2" id="link2">Public Types and |
| Constants</a></h2> |
| |
| <h3><a name="link3" id="link3">General Definitions</a></h3> |
| |
| <table class="c1" width="100%" border="1" summary="Types"> |
| <tr> |
| <td width="30%" align="left"><b>Type</b></td> |
| |
| <td width="55%" align="left"><b>Definition</b></td> |
| |
| <td width="15%" align="left"><b>Description</b></td> |
| </tr> |
| |
| <tr> |
| <td> |
| <pre> |
| <a name="size_type55424436" id="size_type55424436">size_type</a> |
| </pre> |
| </td> |
| |
| <td> |
| <pre> |
| <a href="#Size_Type42920436"><tt>Size_Type</tt></a> |
| </pre> |
| </td> |
| |
| <td> |
| <p>Size type.</p> |
| </td> |
| </tr> |
| </table> |
| |
| <h2><a name="link4" id="link4">Public Methods</a></h2> |
| |
| <h3><a name="link5" id="link5">Constructors, Destructor, and |
| Related</a></h3> |
| |
| <table class="c1" width="100%" border="1" summary="Methods"> |
| <tr> |
| <td width="45%" align="left"><b>Method</b></td> |
| |
| <td width="55%" align="left"><b>Description</b></td> |
| </tr> |
| |
| <tr> |
| <td> |
| <pre> |
| hash_exponential_size_policy |
| (<a href= |
| "#size_type55424436"><tt>size_type</tt></a> start_size = 8, |
| <a href= |
| "#size_type55424436"><tt>size_type</tt></a> grow_factor = 2) |
| </pre> |
| </td> |
| |
| <td> |
| <p>Default constructor, or constructor taking a |
| <span class="c1"><tt>start_size</tt></span>, or |
| constructor taking a start size and <span class= |
| "c1"><tt>grow_factor</tt></span>. The policy will use the |
| sequence of sizes <span class= |
| "c1"><tt>start_size</tt></span>, <span class= |
| "c1"><tt>start_size</tt></span> * <span class= |
| "c1"><tt>grow_factor</tt></span>, <span class= |
| "c1"><tt>start_size</tt></span> * <span class= |
| "c1"><tt>grow_factor</tt></span>^2, ...</p> |
| </td> |
| </tr> |
| |
| <tr> |
| <td> |
| <pre> |
| <b>void</b> |
| swap |
| (<span class= |
| "c2"><tt>hash_exponential_size_policy</tt></span> &other) |
| </pre> |
| </td> |
| |
| <td> |
| <p>Swaps content.</p> |
| </td> |
| </tr> |
| </table> |
| |
| <h2><a name="link6" id="link6">Protected Methods</a></h2> |
| |
| <h3><a name="link7" id="link7">Size methods</a></h3> |
| |
| <table class="c1" width="100%" border="1" summary="Methods"> |
| <tr> |
| <td width="45%" align="left"><b>Method</b></td> |
| |
| <td width="55%" align="left"><b>Description</b></td> |
| </tr> |
| |
| <tr> |
| <td> |
| <pre> |
| <a href="#size_type55424436"><tt>size_type</tt></a> |
| get_nearest_larger_size |
| (<a href= |
| "#size_type55424436"><tt>size_type</tt></a> size) <b>const</b> |
| </pre> |
| </td> |
| |
| <td> |
| <p>Given a size <span class="c1"><tt>size</tt></span>, |
| returns a size that is larger.</p> |
| </td> |
| </tr> |
| |
| <tr> |
| <td> |
| <pre> |
| <a href="#size_type55424436"><tt>size_type</tt></a> |
| get_nearest_smaller_size |
| (<a href= |
| "#size_type55424436"><tt>size_type</tt></a> size) <b>const</b> |
| </pre> |
| </td> |
| |
| <td> |
| <p>Given a size <span class="c1"><tt>size</tt></span>, |
| returns a size that is smaller.</p> |
| </td> |
| </tr> |
| </table> |
| </div> |
| </body> |
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