|
Boost-Commit : |
Subject: [Boost-commit] svn:boost r58008 - in trunk/libs/integer/doc: . html html/boost_integer
From: john_at_[hidden]
Date: 2009-11-28 12:08:33
Author: johnmaddock
Date: 2009-11-28 12:08:31 EST (Sat, 28 Nov 2009)
New Revision: 58008
URL: http://svn.boost.org/trac/boost/changeset/58008
Log:
Fix issues in docs.
Text files modified:
trunk/libs/integer/doc/html/boost_integer/cstdint.html | 51 ++++------
trunk/libs/integer/doc/html/boost_integer/history.html | 4
trunk/libs/integer/doc/html/boost_integer/integer.html | 149 +++++++++++++++++++++++++++-----
trunk/libs/integer/doc/html/boost_integer/log2.html | 41 --------
trunk/libs/integer/doc/html/boost_integer/mask.html | 27 ++---
trunk/libs/integer/doc/html/boost_integer/minmax.html | 10 +-
trunk/libs/integer/doc/html/boost_integer/traits.html | 15 +-
trunk/libs/integer/doc/html/index.html | 18 ++-
trunk/libs/integer/doc/integer.qbk | 182 +++++++++++++++++++++------------------
9 files changed, 288 insertions(+), 209 deletions(-)
Modified: trunk/libs/integer/doc/html/boost_integer/cstdint.html
==============================================================================
--- trunk/libs/integer/doc/html/boost_integer/cstdint.html (original)
+++ trunk/libs/integer/doc/html/boost_integer/cstdint.html 2009-11-28 12:08:31 EST (Sat, 28 Nov 2009)
@@ -49,10 +49,11 @@
integer widths. All typedef's are in namespace boost.
</p>
<p>
- The specifications are based on the ISO/IEC 9899:1999 C Language standard
- header <stdint.h>. The 64-bit types required by the C standard are
- not required in the boost header, and may not be supplied in all implementations,
- because <code class="literal">long long</code> is not [yet] included in the C++ standard.
+ The specifications for these types are based on the ISO/IEC 9899:1999 C Language
+ standard header <stdint.h>. The 64-bit types required by the C standard
+ are <span class="emphasis"><em>not required</em></span> in the boost header, and may not be
+ supplied for all platforms/compilers, because <code class="literal">long long</code>
+ is not [yet] included in the C++ standard.
</p>
<p>
See cstdint_test.cpp for
@@ -66,13 +67,13 @@
<p>
The organization of the Boost.Integer headers and classes is designed to
take advantage of <stdint.h> types from the 1999 C standard without
- resorting to undefined behavior in terms of the 1998 C++ standard. The header
+ causing undefined behavior in terms of the 1998 C++ standard. The header
<boost/cstdint.hpp> makes the standard integer types safely available
in namespace <code class="literal">boost</code> without placing any names in namespace
- <code class="literal">std</code>. As always, the intension is to complement rather
- than compete with the C++ Standard Library. Should some future C++ standard
- include <stdint.h> and <cstdint>, then <boost/cstdint.hpp>
- will continue to function, but will become redundant and may be safely deprecated.
+ <code class="literal">std</code>. The intension is to complement rather than compete
+ with the C++ Standard Library. Should some future C++ standard include <stdint.h>
+ and <cstdint>, then <boost/cstdint.hpp> will continue to function,
+ but will become redundant and may be safely deprecated.
</p>
<p>
Because these are boost headers, their names conform to boost header naming
@@ -108,9 +109,9 @@
designates an unsigned integer type of exactly # bits.
</p>
<p>
- These types are optional. However, if an implementation provides integer
- types with widths of 8, 16, 32, or 64 bits, it shall define the corresponding
- typedef names.
+ These types are optional. However, if a platform supports integer types with
+ widths of 8, 16, 32, 64, or any combination thereof, then <boost/cstdint.hpp>
+ does provide the corresponding typedefs.
</p>
<p>
The absence of int64_t and uint64_t is indicated by the macro <code class="computeroutput"><span class="identifier">BOOST_NO_INT64_T</span></code>.
@@ -125,14 +126,14 @@
The typedef <code class="literal">int_least#_t</code>, with # replaced by the width,
designates a signed integer type with a width of at least # bits, such that
no signed integer type with lesser size has at least the specified width.
- Thus, <code class="literal">int_least32_t</code> denotes a signed integer type with
- a width of at least 32 bits. Similarly, the typedef name <code class="literal">uint_least#_t</code>
+ Thus, <code class="literal">int_least32_t</code> denotes the smallest signed integer
+ type with a width of at least 32 bits. Similarly, the typedef name <code class="literal">uint_least#_t</code>
designates an unsigned integer type with a width of at least # bits, such
that no unsigned integer type with lesser size has at least the specified
width.
</p>
<p>
- Required minimum-width integer types:
+ The following minimum-width integer types are provided for all platforms:
</p>
<div class="itemizedlist"><ul type="disc">
<li><code class="literal">int_least8_t</code></li>
@@ -143,18 +144,14 @@
<li><code class="literal">uint_least32_t</code></li>
</ul></div>
<p>
- The types:
+ The following types are available only if, after including <boost/cstdint.hpp>,
+ the macro BOOST_NO_INT64_T is not defined:
</p>
<div class="itemizedlist"><ul type="disc">
<li><code class="literal">int_least64_t</code></li>
<li><code class="literal">uint_least64_t</code></li>
</ul></div>
<p>
- Are available only if, after inclusion of <code class="literal"><boost/cstdint.hpp></code>
- the macro <code class="computeroutput"><span class="identifier">BOOST_NO_INT64_T</span></code>
- is <span class="emphasis"><em><span class="bold"><strong>not defined</strong></span></em></span>.
- </p>
-<p>
All other minimum-width integer types are optional.
</p>
</div>
@@ -174,7 +171,7 @@
case, however, they satisfy the signedness and width requirements.
</p>
<p>
- Required fastest minimum-width integer types:
+ The following fastest minimum-width integer types are provided for all platforms:
</p>
<div class="itemizedlist"><ul type="disc">
<li><code class="literal">int_fast8_t</code></li>
@@ -185,18 +182,14 @@
<li><code class="literal">uint_fast32_t</code></li>
</ul></div>
<p>
- The types:
+ The following types are available only if, after including <boost/cstdint.hpp>,
+ the macro BOOST_NO_INT64_T is not defined:
</p>
<div class="itemizedlist"><ul type="disc">
<li><code class="literal">int_fast64_t</code></li>
<li><code class="literal">uint_fast64_t</code></li>
</ul></div>
<p>
- Are available only if, after inclusion of <code class="literal"><boost/cstdint.hpp></code>
- the macro <code class="computeroutput"><span class="identifier">BOOST_NO_INT64_T</span></code>
- is <span class="emphasis"><em><span class="bold"><strong>not defined</strong></span></em></span>.
- </p>
-<p>
All other fastest minimum-width integer types are optional.
</p>
</div>
@@ -214,7 +207,7 @@
capable of representing any value of any unsigned integer type.
</p>
<p>
- These types are required.
+ These types are provided for all platforms.
</p>
</div>
</div>
Modified: trunk/libs/integer/doc/html/boost_integer/history.html
==============================================================================
--- trunk/libs/integer/doc/html/boost_integer/history.html (original)
+++ trunk/libs/integer/doc/html/boost_integer/history.html 2009-11-28 12:08:31 EST (Sat, 28 Nov 2009)
@@ -26,7 +26,7 @@
<a name="boost_integer.history"></a><a class="link" href="history.html" title="History"> History</a>
</h2></div></div></div>
<a name="boost_integer.history.1_42_0"></a><h5>
-<a name="id773547"></a>
+<a name="id768488"></a>
<a class="link" href="history.html#boost_integer.history.1_42_0">1.42.0</a>
</h5>
<div class="itemizedlist"><ul type="disc">
@@ -55,7 +55,7 @@
</li>
</ul></div>
<a name="boost_integer.history.1_32_0"></a><h5>
-<a name="id773649"></a>
+<a name="id768590"></a>
<a class="link" href="history.html#boost_integer.history.1_32_0">1.32.0</a>
</h5>
<div class="itemizedlist"><ul type="disc"><li>
Modified: trunk/libs/integer/doc/html/boost_integer/integer.html
==============================================================================
--- trunk/libs/integer/doc/html/boost_integer/integer.html (original)
+++ trunk/libs/integer/doc/html/boost_integer/integer.html 2009-11-28 12:08:31 EST (Sat, 28 Nov 2009)
@@ -54,7 +54,7 @@
</span> <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> <span class="identifier">LeastInt</span><span class="special">></span>
<span class="keyword">struct</span> <span class="identifier">int_fast_t</span>
<span class="special">{</span>
- <span class="keyword">typedef</span> <span class="emphasis"><em>implementation-defined-type</em></span> <span class="identifier">fast</span><span class="special">;</span>
+ <span class="keyword">typedef</span> <span class="emphasis"><em>implementation-defined-type</em></span> <span class="identifier">type</span><span class="special">;</span>
<span class="special">};</span>
<span class="comment">// signed
@@ -115,13 +115,12 @@
to <code class="literal">int</code> objects before processing. The input type, passed
as the only template parameter, must be a built-in integral type, except
<code class="literal">bool</code>. Unsigned integral types can be used, as well as
- signed integral types, despite the name. The output type is given as the
- class member <code class="literal">fast</code>.
+ signed integral types. The output type is given as the nested type <code class="literal">fast</code>.
</p>
<p>
<span class="bold"><strong>Implementation Notes:</strong></span> By default, the output
type is identical to the input type. Eventually, this code's implementation
- should be conditionalized for each platform to give accurate mappings between
+ should be customized for each platform to give accurate mappings between
the built-in types and the easiest-to-manipulate built-in types. Also, there
is no guarantee that the output type actually is easier to manipulate than
the input type.
@@ -135,12 +134,12 @@
The <code class="literal">int_t</code>, <code class="literal">uint_t</code>, <code class="literal">int_max_value_t</code>,
<code class="literal">int_min_value_t</code>, and <code class="literal">uint_value_t</code> class
templates find the most appropiate built-in integral type for the given template
- parameter. This type is given by the class member <code class="literal">least</code>.
- The easiest-to-manipulate version of that type is given by the class member
+ parameter. This type is given by the nested type <code class="literal">least</code>.
+ The easiest-to-manipulate version of that type is given by the nested type
<code class="literal">fast</code>. The following table describes each template's criteria.
</p>
<div class="table">
-<a name="id768468"></a><p class="title"><b>Table 1. Criteria for the Sized Type Class Templates</b></p>
+<a name="id764075"></a><p class="title"><b>Table 1. Criteria for the Sized Type Class Templates</b></p>
<div class="table-contents"><table class="table" summary="Criteria for the Sized Type Class Templates">
<colgroup>
<col>
@@ -162,33 +161,91 @@
<tr>
<td>
<p>
- <code class="literal">boost::int_t<N></code>
+ <code class="literal">boost::int_t<N>::least</code>
</p>
</td>
<td>
<p>
- The smallest built-in signed integral type with at least <span class="emphasis"><em>N</em></span>
+ The smallest, built-in, signed integral type with at least <span class="emphasis"><em>N</em></span>
bits, including the sign bit. The parameter should be a positive number.
A compile-time error results if the parameter is larger than the number
- of bits in the largest integer type. Note that the member <span class="emphasis"><em>exact</em></span>
- is defined <span class="bold"><strong>only</strong></span> if there is a type
- with exactly N bits.
+ of bits in the largest integer type.
</p>
</td>
</tr>
<tr>
<td>
<p>
- <code class="literal">boost::uint_t<N></code>
+ <code class="literal">boost::int_t<N>::fast</code>
</p>
</td>
<td>
<p>
- The smallest built-in unsigned integral type with at least <span class="emphasis"><em>N</em></span>
+ The easiest-to-manipulate, built-in, signed integral type with at least
+ <span class="emphasis"><em>N</em></span> bits, including the sign bit. The parameter
+ should be a positive number. A compile-time error results if the parameter
+ is larger than the number of bits in the largest integer type.
+ </p>
+ </td>
+</tr>
+<tr>
+<td>
+ <p>
+ <code class="literal">boost::int_t<N>::exact</code>
+ </p>
+ </td>
+<td>
+ <p>
+ A built-in, signed integral type with exactly <span class="emphasis"><em>N</em></span>
+ bits, including the sign bit. The parameter should be a positive number.
+ Note that the member <span class="emphasis"><em>exact</em></span> is defined <span class="bold"><strong>only</strong></span> if there exists a type with exactly <span class="emphasis"><em>N</em></span>
+ bits.
+ </p>
+ </td>
+</tr>
+<tr>
+<td>
+ <p>
+ <code class="literal">boost::uint_t<N>::least</code>
+ </p>
+ </td>
+<td>
+ <p>
+ The smallest, built-in, unsigned integral type with at least <span class="emphasis"><em>N</em></span>
+ bits. The parameter should be a positive number. A compile-time error
+ results if the parameter is larger than the number of bits in the largest
+ integer type.
+ </p>
+ </td>
+</tr>
+<tr>
+<td>
+ <p>
+ <code class="literal">boost::uint_t<N>::fast</code>
+ </p>
+ </td>
+<td>
+ <p>
+ The easiest-to-manipulate, built-in, unsigned integral type with at
+ least <span class="emphasis"><em>N</em></span> bits. The parameter should be a positive
+ number. A compile-time error results if the parameter is larger than
+ the number of bits in the largest integer type.
+ </p>
+ </td>
+</tr>
+<tr>
+<td>
+ <p>
+ <code class="literal">boost::uint_t<N>::exact</code>
+ </p>
+ </td>
+<td>
+ <p>
+ A built-in, unsigned integral type with exactly <span class="emphasis"><em>N</em></span>
bits. The parameter should be a positive number. A compile-time error
results if the parameter is larger than the number of bits in the largest
integer type. Note that the member <span class="emphasis"><em>exact</em></span> is defined
- <span class="bold"><strong>only</strong></span> if there is a type with exactly
+ <span class="bold"><strong>only</strong></span> if there exists a type with exactly
N bits.
</p>
</td>
@@ -196,45 +253,87 @@
<tr>
<td>
<p>
- <code class="literal">boost::int_max_value_t<V></code>
+ <code class="literal">boost::int_max_value_t<V>::last</code>
</p>
</td>
<td>
<p>
- The smallest built-in signed integral type that can hold all the values
- in the inclusive range <span class="emphasis"><em>0 - V</em></span>. The parameter should
- be a positive number.
+ The smallest, built-in, signed integral type that can hold all the
+ values in the inclusive range <span class="emphasis"><em>0 - V</em></span>. The parameter
+ should be a positive number.
</p>
</td>
</tr>
<tr>
<td>
<p>
- <code class="literal">boost::int_min_value_t<V></code>
+ <code class="literal">boost::int_max_value_t<V>::fast</code>
</p>
</td>
<td>
<p>
- The smallest built-in signed integral type that can hold all the values
- in the inclusive range <span class="emphasis"><em>V-0</em></span>. The parameter should
- be a negative number.
+ The easiest-to-manipulate, built-in, signed integral type that can
+ hold all the values in the inclusive range <span class="emphasis"><em>0 - V</em></span>.
+ The parameter should be a positive number.
</p>
</td>
</tr>
<tr>
<td>
<p>
- <code class="literal">boost::uint_value_t<V></code>
+ <code class="literal">boost::int_min_value_t<V>::least</code>
</p>
</td>
<td>
<p>
- The smallest built-in unsigned integral type that can hold all positive
+ The smallest, built-in, signed integral type that can hold all the
+ values in the inclusive range <span class="emphasis"><em>V - 0</em></span>. The parameter
+ should be a negative number.
+ </p>
+ </td>
+</tr>
+<tr>
+<td>
+ <p>
+ <code class="literal">boost::int_min_value_t<V>::fast</code>
+ </p>
+ </td>
+<td>
+ <p>
+ The easiest-to-manipulate, built-in, signed integral type that can
+ hold all the values in the inclusive range <span class="emphasis"><em>V - 0</em></span>.
+ The parameter should be a negative number.
+ </p>
+ </td>
+</tr>
+<tr>
+<td>
+ <p>
+ <code class="literal">boost::uint_value_t<V>::least</code>
+ </p>
+ </td>
+<td>
+ <p>
+ The smallest, built-in, unsigned integral type that can hold all positive
values up to and including <span class="emphasis"><em>V</em></span>. The parameter should
be a positive number.
</p>
</td>
</tr>
+<tr>
+<td>
+ <p>
+ <code class="literal">boost::uint_value_t<V>::fast</code>
+ </p>
+ </td>
+<td>
+ <p>
+ The easiest-to-manipulate, built-in, unsigned integral type that can
+ hold all positive values up to and including <span class="emphasis"><em>V</em></span>.
+ The parameter should be a positive number.
+ </p>
+ </td>
+</tr>
</tbody>
</table></div>
</div>
Modified: trunk/libs/integer/doc/html/boost_integer/log2.html
==============================================================================
--- trunk/libs/integer/doc/html/boost_integer/log2.html (original)
+++ trunk/libs/integer/doc/html/boost_integer/log2.html 2009-11-28 12:08:31 EST (Sat, 28 Nov 2009)
@@ -1,7 +1,7 @@
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
-<title>Compile time log2 Calculation</title>
+<title>Compile Time log2 Calculation</title>
<link rel="stylesheet" href="../../../../../doc/html/boostbook.css" type="text/css">
<meta name="generator" content="DocBook XSL Stylesheets V1.74.0">
<link rel="home" href="../index.html" title="Boost.Integer">
@@ -24,12 +24,11 @@
</div>
<div class="section" lang="en">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
-<a name="boost_integer.log2"></a><a class="link" href="log2.html" title="Compile time log2 Calculation"> Compile time log2 Calculation</a>
+<a name="boost_integer.log2"></a><a class="link" href="log2.html" title="Compile Time log2 Calculation"> Compile Time log2 Calculation</a>
</h2></div></div></div>
<div class="toc"><dl>
<dt><span class="section">Synopsis</span></dt>
<dt><span class="section">Usage</span></dt>
-<dt><span class="section">Example</span></dt>
<dt><span class="section"><a href="log2.html#boost_integer.log2.demonstration_program">Demonstration
Program</a></span></dt>
<dt><span class="section">Rationale</span></dt>
@@ -75,7 +74,7 @@
The <code class="literal">boost::static_log2</code> class template takes one template
parameter, a value of type <code class="literal">static_log2_argument_type</code>.
The template only defines one member, <code class="literal">value</code>, which gives
- the truncated base-two logarithm of the template argument.
+ the truncated, base-two logarithm of the template argument.
</p>
<p>
Since the logarithm of zero, for any base, is undefined, there is a specialization
@@ -99,38 +98,6 @@
</div>
<div class="section" lang="en">
<div class="titlepage"><div><div><h3 class="title">
-<a name="boost_integer.log2.example"></a><a class="link" href="log2.html#boost_integer.log2.example" title="Example">Example</a>
-</h3></div></div></div>
-<pre class="programlisting"><span class="preprocessor">#include</span> <span class="string">"boost/integer/static_log2.hpp"</span>
-
-
-<span class="keyword">template</span> <span class="special"><</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">static_log2_argument_type</span> <span class="identifier">value</span> <span class="special">></span>
-<span class="keyword">bool</span> <span class="identifier">is_it_what</span><span class="special">()</span>
-<span class="special">{</span>
- <span class="keyword">typedef</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">static_log2</span><span class="special"><</span><span class="identifier">value</span><span class="special">></span> <span class="identifier">lb_type</span><span class="special">;</span>
-
- <span class="keyword">int</span> <span class="identifier">temp</span> <span class="special">=</span> <span class="identifier">lb_type</span><span class="special">::</span><span class="identifier">value</span><span class="special">;</span>
- <span class="comment">//...
-</span> <span class="keyword">return</span> <span class="special">(</span><span class="identifier">temp</span> <span class="special">%</span> <span class="number">2</span><span class="special">)</span> <span class="special">!=</span> <span class="number">0</span><span class="special">;</span>
-<span class="special">}</span>
-
-<span class="comment">//...
-</span>
-<span class="keyword">int</span> <span class="identifier">main</span><span class="special">()</span>
-<span class="special">{</span>
- <span class="keyword">bool</span> <span class="identifier">temp</span> <span class="special">=</span> <span class="identifier">is_it_what</span><span class="special"><</span><span class="number">2000</span><span class="special">>();</span>
- <span class="comment">//...
-</span><span class="preprocessor"># if</span> <span class="number">0</span>
- <span class="identifier">temp</span> <span class="special">=</span> <span class="identifier">is_it_what</span><span class="special"><</span><span class="number">0</span><span class="special">>();</span> <span class="comment">// would give an error
-</span><span class="preprocessor"># endif</span>
- <span class="comment">//...
-</span> <span class="identifier">temp</span> <span class="special">=</span> <span class="identifier">is_it_what</span><span class="special"><</span><span class="number">24</span><span class="special">>();</span>
- <span class="comment">//...
-</span><span class="special">}</span>
-</pre>
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h3 class="title">
<a name="boost_integer.log2.demonstration_program"></a><a class="link" href="log2.html#boost_integer.log2.demonstration_program" title="Demonstration Program">Demonstration
Program</a>
</h3></div></div></div>
@@ -150,7 +117,7 @@
can be considered the highest power-of-two in a value, which corresponds
to the value's highest set bit (for binary integers). Sometimes the highest-bit
position could be used in generic programming, which requires the position
- to be statically (<span class="emphasis"><em>i.e.</em></span> at compile-time) available.
+ to be available statically (<span class="emphasis"><em>i.e.</em></span> at compile-time).
</p>
</div>
<div class="section" lang="en">
Modified: trunk/libs/integer/doc/html/boost_integer/mask.html
==============================================================================
--- trunk/libs/integer/doc/html/boost_integer/mask.html (original)
+++ trunk/libs/integer/doc/html/boost_integer/mask.html 2009-11-28 12:08:31 EST (Sat, 28 Nov 2009)
@@ -7,7 +7,7 @@
<link rel="home" href="../index.html" title="Boost.Integer">
<link rel="up" href="../index.html" title="Boost.Integer">
<link rel="prev" href="integer.html" title="Integer Type Selection">
-<link rel="next" href="log2.html" title="Compile time log2 Calculation">
+<link rel="next" href="log2.html" title="Compile Time log2 Calculation">
</head>
<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
<table cellpadding="2" width="100%"><tr>
@@ -105,7 +105,7 @@
of <code class="literal">high_bit_mask_t</code>.
</p>
<div class="table">
-<a name="id769480"></a><p class="title"><b>Table 2. Members of the `boost::high_bit_mask_t` Class Template</b></p>
+<a name="id765275"></a><p class="title"><b>Table 2. Members of the `boost::high_bit_mask_t` Class Template</b></p>
<div class="table-contents"><table class="table" summary="Members of the `boost::high_bit_mask_t` Class Template">
<colgroup>
<col>
@@ -132,7 +132,7 @@
</td>
<td>
<p>
- The smallest unsigned built-in type that supports the given bit position.
+ The smallest, unsigned, built-in type that supports the given bit position.
</p>
</td>
</tr>
@@ -144,7 +144,7 @@
</td>
<td>
<p>
- The quick-to-manipulate analog of <code class="literal">least</code>.
+ The easiest-to-manipulate analog of <code class="literal">least</code>.
</p>
</td>
</tr>
@@ -156,7 +156,7 @@
</td>
<td>
<p>
- A <code class="literal">least</code> constant of the desired bit-masking value.
+ A <code class="literal">least</code> constant of the value 2<sup>Bit</sup>.
</p>
</td>
</tr>
@@ -197,15 +197,14 @@
</h3></div></div></div>
<p>
The <code class="literal">boost::low_bits_mask_t</code> class template provides constants
- for bit masks representing the lowest bits of a certain amount. The masks
- are equivalent to the value (2<sup>Bits</sup> - 1), where <code class="literal">Bits</code> is
- the template parameter. The bit amount must be a nonnegative number from
- zero to <span class="emphasis"><em>Max</em></span>, where Max is the number of bits supported
- by the largest unsigned built-in integral type. The following table describes
- the members of an instantiation of <code class="literal">low_bits_mask_t</code>.
+ for bit masks equivalent to the value (2<sup>Bits</sup> - 1), where <code class="literal">Bits</code>
+ is the template parameter. The parameter <code class="literal">Bits</code> must be
+ a non-negative integer from zero to <span class="emphasis"><em>Max</em></span>, where Max is
+ the number of bits supported by the largest, unsigned, built-in integral
+ type. The following table describes the members of <code class="literal">low_bits_mask_t</code>.
</p>
<div class="table">
-<a name="id769682"></a><p class="title"><b>Table 3. Members of the [^boost::low_bits_mask_t] Class Template</b></p>
+<a name="id765484"></a><p class="title"><b>Table 3. Members of the [^boost::low_bits_mask_t] Class Template</b></p>
<div class="table-contents"><table class="table" summary="Members of the [^boost::low_bits_mask_t] Class Template">
<colgroup>
<col>
@@ -232,7 +231,7 @@
</td>
<td>
<p>
- The smallest unsigned built-in type that supports the given bit count.
+ The smallest, unsigned built-in type that supports the given bit count.
</p>
</td>
</tr>
@@ -244,7 +243,7 @@
</td>
<td>
<p>
- The quick-to-manipulate analog of <code class="literal">least</code>.
+ The easiest-to-manipulate analog of <code class="literal">least</code>.
</p>
</td>
</tr>
Modified: trunk/libs/integer/doc/html/boost_integer/minmax.html
==============================================================================
--- trunk/libs/integer/doc/html/boost_integer/minmax.html (original)
+++ trunk/libs/integer/doc/html/boost_integer/minmax.html 2009-11-28 12:08:31 EST (Sat, 28 Nov 2009)
@@ -6,7 +6,7 @@
<meta name="generator" content="DocBook XSL Stylesheets V1.74.0">
<link rel="home" href="../index.html" title="Boost.Integer">
<link rel="up" href="../index.html" title="Boost.Integer">
-<link rel="prev" href="log2.html" title="Compile time log2 Calculation">
+<link rel="prev" href="log2.html" title="Compile Time log2 Calculation">
<link rel="next" href="history.html" title="History">
</head>
<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
@@ -71,10 +71,10 @@
</h3></div></div></div>
<p>
The four class templates provide the combinations for finding the minimum
- or maximum of two signed or <code class="literal">unsigned</code> (<code class="literal">long</code>)
- parameters, Value1 and Value2, at compile-time. Each template has a single
- static data member, <code class="literal">value</code>, which is set to the respective
- minimum or maximum of the template's parameters.
+ or maximum of two <code class="literal">signed</code> or <code class="literal">unsigned</code>
+ (<code class="literal">long</code>) parameters, <span class="emphasis"><em>Value1</em></span> and <span class="emphasis"><em>Value2</em></span>,
+ at compile-time. Each template has a single static data member, <code class="literal">value</code>,
+ which is set to the respective minimum or maximum of the template's parameters.
</p>
</div>
<div class="section" lang="en">
Modified: trunk/libs/integer/doc/html/boost_integer/traits.html
==============================================================================
--- trunk/libs/integer/doc/html/boost_integer/traits.html (original)
+++ trunk/libs/integer/doc/html/boost_integer/traits.html 2009-11-28 12:08:31 EST (Sat, 28 Nov 2009)
@@ -70,6 +70,7 @@
<span class="keyword">template</span><span class="special"><</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">></span>
<span class="keyword">class</span> <span class="identifier">integer_traits</span> <span class="special">:</span> <span class="keyword">public</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">numeric_limits</span><span class="special"><</span><span class="identifier">T</span><span class="special">></span>
<span class="special">{</span>
+ <span class="keyword">public</span><span class="special">:</span>
<span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">bool</span> <span class="identifier">is_integral</span> <span class="special">=</span> <span class="keyword">false</span><span class="special">;</span>
<span class="comment">//
</span> <span class="comment">// These members are defined only if T is a built-in
@@ -87,9 +88,9 @@
</h3></div></div></div>
<p>
Template class <code class="literal">integer_traits</code> is derived from <code class="literal">std::numeric_limits</code>.
- In general, it adds the single <code class="literal">bool</code> member <code class="literal">is_integral</code>
- with the compile-time constant value <code class="literal">false</code>. However, for
- all integral types <code class="literal">T</code> (std::3.9.1/7 [basic.fundamental]),
+ The primary specialization adds the single <code class="literal">bool</code> member
+ <code class="literal">is_integral</code> with the compile-time constant value <code class="literal">false</code>.
+ However, for all integral types <code class="literal">T</code> (std::3.9.1/7 [basic.fundamental]),
there are specializations provided with the following compile-time constants
defined:
</p>
@@ -171,11 +172,11 @@
</tbody>
</table></div>
<p>
- Note: A flag <code class="literal">is_integral</code> is provided, because a user-defined
+ Note: The <span class="emphasis"><em>is_integral</em></span> flag is provided, because a user-defined
integer class should specialize <code class="literal">std::numeric_limits<>::is_integer
- = true</code>, nonetheless compile-time constants <code class="literal">const_min</code>
- and <code class="literal">const_max</code> cannot be provided for that user-defined
- class.
+ = true</code>, while compile-time constants <code class="literal">const_min</code>
+ and <code class="literal">const_max</code> are not provided for that user-defined class,
+ unless boost::integer_traits is also specialized.
</p>
</div>
<div class="section" lang="en">
Modified: trunk/libs/integer/doc/html/index.html
==============================================================================
--- trunk/libs/integer/doc/html/index.html (original)
+++ trunk/libs/integer/doc/html/index.html 2009-11-28 12:08:31 EST (Sat, 28 Nov 2009)
@@ -40,7 +40,7 @@
<div><p class="copyright">Copyright © 2001 -2009 Beman Dawes, Daryle Walker, Gennaro Prota,
John Maddock</p></div>
<div><div class="legalnotice">
-<a name="id758110"></a><p>
+<a name="id753741"></a><p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
</p>
@@ -56,7 +56,7 @@
<dt><span class="section"> Integer Traits</span></dt>
<dt><span class="section"> Integer Type Selection</span></dt>
<dt><span class="section"> Integer Masks</span></dt>
-<dt><span class="section"> Compile time log2 Calculation</span></dt>
+<dt><span class="section"> Compile Time log2 Calculation</span></dt>
<dt><span class="section"> Compile time min/max calculation</span></dt>
<dt><span class="section"> History</span></dt>
</dl>
@@ -66,7 +66,15 @@
<a name="boost_integer.overview"></a><a class="link" href="index.html#boost_integer.overview" title="Overview"> Overview</a>
</h2></div></div></div>
<p>
- Boost.Integer consists of the following components:
+ Boost.Integer provides integer type support, particularly helpful in generic
+ programming. It provides standard C99 integer types, such as might be found
+ in <stdint.h>, without requiring that header. It provides the means to
+ select an integer type based upon its properties, like the number of bits or
+ the maximum supported value, as well as compile-time bit mask selection. There
+ is a derivative of std::numeric_limits that provides integral constant expressions
+ for <code class="computeroutput"><span class="identifier">min</span></code> and <code class="computeroutput"><span class="identifier">max</span></code>.
+ Finally, it provides two compile-time algorithms: determining the highest power
+ of two in a compile-time value; and computing min and max of constant expressions.
</p>
<div class="informaltable"><table class="table">
<colgroup>
@@ -191,7 +199,7 @@
<tr>
<td>
<p>
- <a class="link" href="boost_integer/log2.html" title="Compile time log2 Calculation">Compile time log2 Calculation</a>.
+ <a class="link" href="boost_integer/log2.html" title="Compile Time log2 Calculation">Compile time log2 Calculation</a>.
</p>
</td>
<td>
@@ -229,7 +237,7 @@
</div>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
-<td align="left"><p><small>Last revised: November 27, 2009 at 11:11:24 GMT</small></p></td>
+<td align="left"><p><small>Last revised: November 28, 2009 at 17:06:38 GMT</small></p></td>
<td align="right"><div class="copyright-footer"></div></td>
</tr></table>
<hr>
Modified: trunk/libs/integer/doc/integer.qbk
==============================================================================
--- trunk/libs/integer/doc/integer.qbk (original)
+++ trunk/libs/integer/doc/integer.qbk 2009-11-28 12:08:31 EST (Sat, 28 Nov 2009)
@@ -15,7 +15,13 @@
[section:overview Overview]
-Boost.Integer consists of the following components:
+Boost.Integer provides integer type support, particularly helpful in generic programming. It provides standard
+C99 integer types, such as might be found in <stdint.h>, without requiring that header.
+It provides the means to select an integer type based upon its properties, like the number of bits or
+the maximum supported value, as well as compile-time bit mask selection. There is a derivative of
+std::numeric_limits that provides integral constant expressions for `min` and `max`.
+Finally, it provides two compile-time algorithms: determining the highest power of two in a
+compile-time value; and computing min and max of constant expressions.
[table
[[Component][Header][Purpose]]
@@ -71,9 +77,9 @@
The header [^[@../../../../boost/cstdint.hpp <boost/cstdint.hpp>]] provides the typedef's useful
for writing portable code that requires certain integer widths. All typedef's are in namespace boost.
-The specifications are based on the ISO/IEC 9899:1999 C Language standard header <stdint.h>.
-The 64-bit types required by the C standard are not required in the boost header,
-and may not be supplied in all implementations, because [^long long] is not [yet] included in the C++ standard.
+The specifications for these types are based on the ISO/IEC 9899:1999 C Language standard header <stdint.h>.
+The 64-bit types required by the C standard are ['not required] in the boost header,
+and may not be supplied for all platforms/compilers, because [^long long] is not [yet] included in the C++ standard.
See [@../../test/cstdint_test.cpp cstdint_test.cpp] for a test program.
@@ -82,9 +88,9 @@
[section:rationale Rationale]
The organization of the Boost.Integer headers and classes is designed to take advantage of <stdint.h> types from the
-1999 C standard without resorting to undefined behavior in terms of the 1998 C++ standard.
+1999 C standard without causing undefined behavior in terms of the 1998 C++ standard.
The header <boost/cstdint.hpp> makes the standard integer types safely available in namespace [^boost]
-without placing any names in namespace [^std]. As always, the intension is to complement rather than compete
+without placing any names in namespace [^std]. The intension is to complement rather than compete
with the C++ Standard Library. Should some future C++ standard include <stdint.h> and <cstdint>,
then <boost/cstdint.hpp> will continue to function, but will become redundant and may be safely deprecated.
@@ -111,8 +117,9 @@
for example [^int8_t] denotes an 8-bit signed integer type. Similarly, the typedef [^uint#_t] designates an unsigned
integer type of exactly # bits.
-These types are optional. However, if an implementation provides integer types with widths of 8, 16, 32, or 64 bits,
-it shall define the corresponding typedef names.
+These types are optional. However, if a platform supports integer types with widths of
+8, 16, 32, 64, or any combination thereof, then <boost/cstdint.hpp> does provide the
+corresponding typedefs.
The absence of int64_t and uint64_t is indicated by the macro `BOOST_NO_INT64_T`.
@@ -122,11 +129,11 @@
The typedef [^int_least#_t], with # replaced by the width, designates a signed integer type with a width
of at least # bits, such that no signed integer type with lesser size has at least the specified width.
-Thus, [^int_least32_t] denotes a signed integer type with a width of at least 32 bits.
+Thus, [^int_least32_t] denotes the smallest signed integer type with a width of at least 32 bits.
Similarly, the typedef name [^uint_least#_t] designates an unsigned integer type with a width of at least # bits,
such that no unsigned integer type with lesser size has at least the specified width.
-Required minimum-width integer types:
+The following minimum-width integer types are provided for all platforms:
* [^int_least8_t]
* [^int_least16_t]
@@ -135,12 +142,11 @@
* [^uint_least16_t]
* [^uint_least32_t]
-The types:
+The following types are available only if, after including <boost/cstdint.hpp>, the macro BOOST_NO_INT64_T is not defined:
* [^int_least64_t]
* [^uint_least64_t]
-Are available only if, after inclusion of [^<boost/cstdint.hpp>] the macro `BOOST_NO_INT64_T` is ['[*not defined]].
All other minimum-width integer types are optional.
@@ -155,7 +161,7 @@
There is no guarantee that these types are fastest for all purposes. In any case, however, they satisfy
the signedness and width requirements.
-Required fastest minimum-width integer types:
+The following fastest minimum-width integer types are provided for all platforms:
* [^int_fast8_t]
* [^int_fast16_t]
@@ -164,13 +170,11 @@
* [^uint_fast16_t]
* [^uint_fast32_t]
-The types:
+The following types are available only if, after including <boost/cstdint.hpp>, the macro BOOST_NO_INT64_T is not defined:
* [^int_fast64_t]
* [^uint_fast64_t]
-Are available only if, after inclusion of [^<boost/cstdint.hpp>] the macro `BOOST_NO_INT64_T` is ['[*not defined]].
-
All other fastest minimum-width integer types are optional.
[endsect]
@@ -181,7 +185,7 @@
The typedef [^uintmax_t] designates an unsigned integer type capable of representing any value of any unsigned integer type.
-These types are required.
+These types are provided for all platforms.
[endsect]
[endsect]
@@ -216,6 +220,7 @@
template<class T>
class integer_traits : public std::numeric_limits<T>
{
+ public:
static const bool is_integral = false;
//
// These members are defined only if T is a built-in
@@ -230,7 +235,7 @@
[section Description]
-Template class [^integer_traits] is derived from [^std::numeric_limits]. In general, it adds the single
+Template class [^integer_traits] is derived from [^std::numeric_limits]. The primary specialization adds the single
[^bool] member [^is_integral] with the compile-time constant value [^false].
However, for all integral types [^T] (std::3.9.1/7 [basic.fundamental]), there are specializations
provided with the following compile-time constants defined:
@@ -242,9 +247,9 @@
[[[^const_max]][[^T]][equivalent to [^std::numeric_limits<T>::max()]]]
]
-Note: A flag [^is_integral] is provided, because a user-defined integer class should specialize
-[^std::numeric_limits<>::is_integer = true], nonetheless compile-time constants
-[^const_min] and [^const_max] cannot be provided for that user-defined class.
+Note: The /is_integral/ flag is provided, because a user-defined integer class should specialize
+[^std::numeric_limits<>::is_integer = true], while compile-time constants
+[^const_min] and [^const_max] are not provided for that user-defined class, unless boost::integer_traits is also specialized.
[endsect]
@@ -275,7 +280,7 @@
template<typename LeastInt>
struct int_fast_t
{
- typedef ``['implementation-defined-type]`` fast;
+ typedef ``['implementation-defined-type]`` type;
};
// signed
@@ -330,12 +335,12 @@
can manipulate the easiest, or to itself if the input type is already an easy-to-manipulate type.
For instance, processing a bunch of [^char] objects may go faster if they were converted to [^int] objects before processing.
The input type, passed as the only template parameter, must be a built-in integral type, except [^bool].
-Unsigned integral types can be used, as well as signed integral types, despite the name.
-The output type is given as the class member [^fast].
+Unsigned integral types can be used, as well as signed integral types.
+The output type is given as the nested type [^fast].
[*Implementation Notes:]
By default, the output type is identical to the input type. Eventually, this code's implementation should
-be conditionalized for each platform to give accurate mappings between the built-in types and the easiest-to-manipulate
+be customized for each platform to give accurate mappings between the built-in types and the easiest-to-manipulate
built-in types. Also, there is no guarantee that the output type actually is easier to manipulate than the input type.
[endsect]
@@ -344,7 +349,7 @@
The [^int_t], [^uint_t], [^int_max_value_t], [^int_min_value_t], and [^uint_value_t] class templates find
the most appropiate built-in integral type for the given template parameter. This type is given by the
-class member [^least]. The easiest-to-manipulate version of that type is given by the class member [^fast].
+nested type [^least]. The easiest-to-manipulate version of that type is given by the nested type [^fast].
The following table describes each template's criteria.
[table Criteria for the Sized Type Class Templates
@@ -352,33 +357,71 @@
[Class Template][Template Parameter Mapping]
]
[
- [[^boost::int_t<N>]]
- [The smallest built-in signed integral type with at least /N/ bits, including the sign bit.
+ [[^boost::int_t<N>::least]]
+ [The smallest, built-in, signed integral type with at least /N/ bits, including the sign bit.
+ The parameter should be a positive number. A compile-time error results if the parameter is
+ larger than the number of bits in the largest integer type.]
+ ]
+ [
+ [[^boost::int_t<N>::fast]]
+ [The easiest-to-manipulate, built-in, signed integral type with at least /N/ bits, including the sign bit.
The parameter should be a positive number. A compile-time error results if the parameter is
- larger than the number of bits in the largest integer type. Note that the member /exact/ is defined
- [*only] if there is a type with exactly N bits.]
+ larger than the number of bits in the largest integer type.]
+ ]
+ [
+ [[^boost::int_t<N>::exact]]
+ [A built-in, signed integral type with exactly /N/ bits, including the sign bit.
+ The parameter should be a positive number. Note that the member /exact/ is defined
+ [*only] if there exists a type with exactly /N/ bits.]
]
[
- [[^boost::uint_t<N>]]
- [The smallest built-in unsigned integral type with at least /N/ bits.
+ [[^boost::uint_t<N>::least]]
+ [The smallest, built-in, unsigned integral type with at least /N/ bits.
+ The parameter should be a positive number. A compile-time error results if the
+ parameter is larger than the number of bits in the largest integer type.]
+ ]
+ [
+ [[^boost::uint_t<N>::fast]]
+ [The easiest-to-manipulate, built-in, unsigned integral type with at least /N/ bits.
+ The parameter should be a positive number. A compile-time error results if the
+ parameter is larger than the number of bits in the largest integer type.]
+ ]
+ [
+ [[^boost::uint_t<N>::exact]]
+ [A built-in, unsigned integral type with exactly /N/ bits.
The parameter should be a positive number. A compile-time error results if the
parameter is larger than the number of bits in the largest integer type.
Note that the member /exact/ is defined
- [*only] if there is a type with exactly N bits.]
+ [*only] if there exists a type with exactly N bits.]
]
[
- [[^boost::int_max_value_t<V>]]
- [The smallest built-in signed integral type that can hold all the values in the inclusive range ['0 - V].
+ [[^boost::int_max_value_t<V>::last]]
+ [The smallest, built-in, signed integral type that can hold all the values in the inclusive range ['0 - V].
The parameter should be a positive number.]
]
[
- [[^boost::int_min_value_t<V>]]
- [The smallest built-in signed integral type that can hold all the values in the inclusive range ['V-0].
+ [[^boost::int_max_value_t<V>::fast]]
+ [The easiest-to-manipulate, built-in, signed integral type that can hold all the values in the inclusive range ['0 - V].
+ The parameter should be a positive number.]
+ ]
+ [
+ [[^boost::int_min_value_t<V>::least]]
+ [The smallest, built-in, signed integral type that can hold all the values in the inclusive range ['V - 0].
+ The parameter should be a negative number.]
+ ]
+ [
+ [[^boost::int_min_value_t<V>::fast]]
+ [The easiest-to-manipulate, built-in, signed integral type that can hold all the values in the inclusive range ['V - 0].
The parameter should be a negative number.]
]
[
- [[^boost::uint_value_t<V>]]
- [The smallest built-in unsigned integral type that can hold all positive values
+ [[^boost::uint_value_t<V>::least]]
+ [The smallest, built-in, unsigned integral type that can hold all positive values
+ up to and including /V/. The parameter should be a positive number.]
+ ]
+ [
+ [[^boost::uint_value_t<V>::fast]]
+ [The easiest-to-manipulate, built-in, unsigned integral type that can hold all positive values
up to and including /V/. The parameter should be a positive number.]
]
]
@@ -500,9 +543,9 @@
[table Members of the `boost::high_bit_mask_t` Class Template
[[Member][Meaning]]
- [[[^least]][The smallest unsigned built-in type that supports the given bit position.]]
- [[[^fast]][The quick-to-manipulate analog of [^least].]]
- [[[^high_bit]][A [^least] constant of the desired bit-masking value.]]
+ [[[^least]][The smallest, unsigned, built-in type that supports the given bit position.]]
+ [[[^fast]][The easiest-to-manipulate analog of [^least].]]
+ [[[^high_bit]][A [^least] constant of the value 2[super Bit].]]
[[[^high_bit_fast]][A [^fast] analog of [^high_bit].]]
[[[^bit_position]][The value of the template parameter, in case its needed from a renamed instantiation of the class template.]]
]
@@ -511,16 +554,16 @@
[section Group Bit-Mask Class Template]
-The [^boost::low_bits_mask_t] class template provides constants for bit masks representing the lowest
-bits of a certain amount. The masks are equivalent to the value (2[super Bits] - 1),
-where [^Bits] is the template parameter. The bit amount must be a nonnegative number from
-zero to ['Max], where Max is the number of bits supported by the largest unsigned built-in integral type.
-The following table describes the members of an instantiation of [^low_bits_mask_t].
+The [^boost::low_bits_mask_t] class template provides constants for bit masks
+equivalent to the value (2[super Bits] - 1), where [^Bits] is the template parameter.
+The parameter [^Bits] must be a non-negative integer from
+zero to ['Max], where Max is the number of bits supported by the largest, unsigned, built-in integral type.
+The following table describes the members of [^low_bits_mask_t].
[table Members of the [^boost::low_bits_mask_t] Class Template
[[Member][Meaning]]
-[[[^least]][The smallest unsigned built-in type that supports the given bit count.]]
-[[[^fast]][The quick-to-manipulate analog of [^least].]]
+[[[^least]][The smallest, unsigned built-in type that supports the given bit count.]]
+[[[^fast]][The easiest-to-manipulate analog of [^least].]]
[[[^sig_bits]][A [^least] constant of the desired bit-masking value.]]
[[[^sig_bits_fast]][A [^fast] analog of [^sig_bits].]]
[[[^bit_count]][The value of the template parameter, in case its needed from a renamed instantiation of the class template.]]
@@ -581,7 +624,7 @@
[endsect]
[endsect]
-[section:log2 Compile time log2 Calculation]
+[section:log2 Compile Time log2 Calculation]
The class template in [@../../../../boost/integer/static_log2.hpp <boost/integer/static_log2.hpp>]
determines the position of the highest bit in a given value. This facility is useful for solving generic programming problems.
@@ -616,7 +659,7 @@
The [^boost::static_log2] class template takes one template parameter, a value of type
[^static_log2_argument_type]. The template only defines one member, [^value], which gives the
-truncated base-two logarithm of the template argument.
+truncated, base-two logarithm of the template argument.
Since the logarithm of zero, for any base, is undefined, there is a specialization of [^static_log2]
for a template argument of zero. This specialization has no members, so an attempt to use the base-two
@@ -629,37 +672,6 @@
[endsect]
-[section Example]
-
- #include "boost/integer/static_log2.hpp"
-
-
- template < boost::static_log2_argument_type value >
- bool is_it_what()
- {
- typedef boost::static_log2<value> lb_type;
-
- int temp = lb_type::value;
- //...
- return (temp % 2) != 0;
- }
-
- //...
-
- int main()
- {
- bool temp = is_it_what<2000>();
- //...
- # if 0
- temp = is_it_what<0>(); // would give an error
- # endif
- //...
- temp = is_it_what<24>();
- //...
- }
-
-[endsect]
-
[section Demonstration Program]
The program [@../../test/static_log2_test.cpp static_log2_test.cpp] is a simplistic
@@ -672,7 +684,7 @@
The base-two (binary) logarithm, abbreviated lb, function is occasionally used to give order-estimates
of computer algorithms. The truncated logarithm can be considered the highest power-of-two in a value,
which corresponds to the value's highest set bit (for binary integers). Sometimes the highest-bit position
-could be used in generic programming, which requires the position to be statically (['i.e.] at compile-time) available.
+could be used in generic programming, which requires the position to be available statically (['i.e.] at compile-time).
[endsect]
@@ -719,8 +731,8 @@
[section Usage]
-The four class templates provide the combinations for finding the minimum or maximum of two signed or
-[^unsigned] ([^long]) parameters, Value1 and Value2, at compile-time. Each template has a single static data member,
+The four class templates provide the combinations for finding the minimum or maximum of two [^signed] or
+[^unsigned] ([^long]) parameters, /Value1/ and /Value2/, at compile-time. Each template has a single static data member,
[^value], which is set to the respective minimum or maximum of the template's parameters.
[endsect]
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