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Added extended-integer support, which fixes #653 (the main part; the secondary part is split off as #1225)

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[SVN r47414]
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Daryle Walker
2008-07-14 06:28:54 +00:00
parent 10e5587b9e
commit 053be71261
4 changed files with 135 additions and 57 deletions
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integer.htm
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@ -21,7 +21,7 @@ is particularly useful for solving generic programming problems.</p>
<ul>
<li><a href="#contents">Contents</a></li>
<li><a href="#synopsis">Synopsis</a></li>
<li><a href="#easy">Easiest-to-Manipulate Types</a></li>
<li><a href="#easy">Processor-Optimized Types</a></li>
<li><a href="#sized">Sized Types</a></li>
<li><a href="#example">Example</a></li>
<li><a href="#demo">Demonstration Program</a></li>
@ -32,7 +32,10 @@ is particularly useful for solving generic programming problems.</p>
<h2><a name="synopsis">Synopsis</a></h2>
<blockquote><pre>namespace boost
<blockquote><pre>#include &lt;<a href="../../boost/integer_fwd.hpp">boost/integer_fwd.hpp</a>&gt; // forwarding header
#include &lt;<a href="cstdint.htm">boost/cstdint.hpp</a>&gt; // for boost::uintmax_t, intmax_t
namespace boost
{
// fast integers from least integers
template&lt; typename LeastInt &gt;
@ -58,14 +61,14 @@ is particularly useful for solving generic programming problems.</p>
};
// signed
template&lt; long MaxValue &gt;
template&lt; intmax_t MaxValue &gt;
struct int_max_value_t
{
typedef <em>implementation_supplied</em> least;
typedef int_fast_t&lt;least&gt;::fast fast;
};
template&lt; long MinValue &gt;
template&lt; intmax_t MinValue &gt;
struct int_min_value_t
{
typedef <em>implementation_supplied</em> least;
@ -73,7 +76,7 @@ is particularly useful for solving generic programming problems.</p>
};
// unsigned
template&lt; unsigned long Value &gt;
template&lt; uintmax_t Value &gt;
struct uint_value_t
{
typedef <em>implementation_supplied</em> least;
@ -82,7 +85,7 @@ is particularly useful for solving generic programming problems.</p>
} // namespace boost
</pre></blockquote>
<h2><a name="easy">Easiest-to-Manipulate Types</a></h2>
<h2><a name="easy">Processor-Optimized Types</a></h2>
<p>The <code>int_fast_t</code> class template maps its input type to the
next-largest type that the processor can manipulate the easiest, or to
@ -156,7 +159,7 @@ The following table describes each template's criteria.</p>
<h2><a name="example">Example</a></h2>
<blockquote><pre>#include &lt;boost/integer.hpp&gt;
<blockquote><pre>#include &lt;<a href="../../boost/integer.hpp">boost/integer.hpp</a>&gt;
//...
@ -202,7 +205,7 @@ value-based sized templates.</p>
<hr>
<p>Revised May 20, 2001</p>
<p>Revised July 14, 2008</p>
<p>&copy; Copyright Beman Dawes 1999. Use, modification, and distribution are
subject to the Boost Software License, Version 1.0. (See accompanying file <a