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9 <title>hash_prime_size_policy Interface</title>
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16 <h1><tt>hash_prime_size_policy</tt> Interface</h1>
18 <p>A size policy whose sequence of sizes form a
19 nearly-exponential sequence of primes.</p>
21 <p>Defined in: <a href=
22 "http://gcc.gnu.org/viewcvs/*checkout*/trunk/libstdc%2B%2B-v3/include/ext/pb_ds/hash_policy.hpp"><tt>hash_policy.hpp</tt></a></p>
24 <h2><a name="link1" id="link1">Public Types and
27 <h3><a name="link2" id="link2">General Definitions</a></h3>
29 <table class="c1" width="100%" border="1" summary="Types">
31 <td width="30%" align="left"><b>Type</b></td>
33 <td width="55%" align="left"><b>Definition</b></td>
35 <td width="15%" align="left"><b>Description</b></td>
41 <a name="size_type55424436" id="size_type55424436">size_type</a>
57 <h2><a name="link3" id="link3">Public Methods</a></h2>
59 <h3><a name="link4" id="link4">Constructors, Destructor, and
62 <table class="c1" width="100%" border="1" summary="Methods">
64 <td width="45%" align="left"><b>Method</b></td>
66 <td width="55%" align="left"><b>Description</b></td>
72 hash_prime_size_policy
74 "#size_type55424436"><tt>size_type</tt></a> start_size = 8)
79 <p>Default constructor, or constructor taking a
80 <span class="c1"><tt>start_size</tt></span> The policy
81 will use the sequence of sizes approximately <span class=
82 "c1"><tt>start_size</tt></span>, <span class=
83 "c1"><tt>start_size</tt></span> * 2, <span class=
84 "c1"><tt>start_size</tt></span> * 2^2, ...</p>
91 <b>inline</b> <b>void</b>
94 "c2"><tt>hash_prime_size_policy</tt></span> &other)
104 <h2><a name="link5" id="link5">Protected Methods</a></h2>
106 <h3><a name="link6" id="link6">Size methods</a></h3>
108 <table class="c1" width="100%" border="1" summary="Methods">
110 <td width="45%" align="left"><b>Method</b></td>
112 <td width="55%" align="left"><b>Description</b></td>
118 <a href="#size_type55424436"><tt>size_type</tt></a>
119 get_nearest_larger_size
121 "#size_type55424436"><tt>size_type</tt></a> size) <b>const</b>
126 <p>Given a size <span class="c1"><tt>size</tt></span>,
127 returns a size that is larger.</p>
134 <a href="#size_type55424436"><tt>size_type</tt></a>
135 get_nearest_smaller_size
137 "#size_type55424436"><tt>size_type</tt></a> size) <b>const</b>
142 <p>Given a size <span class="c1"><tt>size</tt></span>,
143 returns a size that is smaller.</p>