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<title>hash_exponential_size_policy Interface
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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>
<ol>
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<a href = "../../../../include/ext/pb_assoc/hash_policy.hpp"><tt>hash_policy.hpp</tt>
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<a href = "#link1">Template parameters.
</a>
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Public Types and Constants:
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<a href = "#link2">General definitions.
</a>
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Public Methods:
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<a href = "#link3">Constructors, destructors, and related methods.
</a>
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Protected Methods:
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<a href = "#link4">Size methods
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<h2>
<a name = "link1">Template parameters.
</a>
</h2>
<table WIDTH = "100%" BORDER = "1">
<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>
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<pre><a name = "Size_Type3735929483">Size_Type</a></pre>
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<p>Size type.</p>
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size_t
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<h2>
<a name = "link2">General definitions.
</a>
</h2>
<table WIDTH = "100%" BORDER = "1">
<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>
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<pre><a name = "size_type3735929547">size_type</a></pre>
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<pre><a href = "#Size_Type3735929483">Size_Type</a></pre>
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<p>Size type.</p>
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</tr>
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<h2>
<a name = "link3">Constructors, destructors, and related methods.
</a>
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<table WIDTH = "100%" BORDER = "1">
<TR><TD Width = "45%" ALIGN = "left"><b>Method</b></TD><TD Width = "55%" ALIGN = "left"><b>Description</b></TD></TR>
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<pre> hash_exponential_size_policy
(<a href = "#size_type3735929547">size_type</a> start_size = 8,
<a href = "#size_type3735929547">size_type</a> grow_factor = 2)</pre>
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<p>Default constructor, or onstructor taking a <font color = "#666666"><tt>start_size</tt></font>, a start size and <font color = "#666666"><tt>grow_factor</tt></font>, a growth factor. The policy will use the sequence of sizes <font color = "#666666"><tt>start_size</tt></font>, <font color = "#666666"><tt>start_size</tt></font> * <font color = "#666666"><tt>grow_factor</tt></font>, <font color = "#666666"><tt>start_size</tt></font> * <font color = "#666666"><tt>grow_factor</tt></font>^2, ...</p>
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<pre><b>void</b>
swap
(<font color = "olive">hash_exponential_size_policy</font> &r_other)</pre>
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<p>Swaps content.</p>
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<h2>
<a name = "link4">Size methods
</a>
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<table WIDTH = "100%" BORDER = "1">
<TR><TD Width = "45%" ALIGN = "left"><b>Method</b></TD><TD Width = "55%" ALIGN = "left"><b>Description</b></TD></TR>
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<pre><a href = "#size_type3735929547">size_type</a>
get_init_size
(<a href = "#size_type3735929547">size_type</a> suggested_size) <b>const</b></pre>
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<p>Given <font color = "#666666"><tt>suggested_size</tt></font>, a suggested size, returns an initial size of the container related to the initial size.</p>
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<pre><a href = "#size_type3735929547">size_type</a>
get_nearest_larger_size
(<a href = "#size_type3735929547">size_type</a> cur_size) <b>const</b></pre>
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<p>Given <font color = "#666666"><tt>cur_size</tt></font>, the current size, returns a size that is larger.</p>
</td>
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<pre><a href = "#size_type3735929547">size_type</a>
get_nearest_smaller_size
(<a href = "#size_type3735929547">size_type</a> cur_size) <b>const</b></pre>
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<p>Given <font color = "#666666"><tt>cur_size</tt></font>, the current size, returns a size that is smaller.</p>
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