mirror of
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Remove cstdint which has been moved to Boost.Config
This commit is contained in:
Glen Fernandes
@@ -3,7 +3,7 @@
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<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
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<title>Standard Integer Types</title>
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<link rel="stylesheet" href="../../../../../doc/src/boostbook.css" type="text/css">
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<meta name="generator" content="DocBook XSL Stylesheets V1.75.2">
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@@ -24,258 +24,18 @@
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</div>
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<div class="section">
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<div class="titlepage"><div><div><h2 class="title" style="clear: both">
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<a name="boost_integer.cstdint"></a><a class="link" href="cstdint.html" title="Standard Integer Types"> Standard Integer Types</a>
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<a name="boost_integer.cstdint"></a><a class="link" href="cstdint.html" title="Standard Integer Types">Standard Integer Types</a>
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</h2></div></div></div>
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<div class="toc"><dl>
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<dt><span class="section"><a href="cstdint.html#boost_integer.cstdint.overview">Overview</a></span></dt>
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<dt><span class="section"><a href="cstdint.html#boost_integer.cstdint.rationale"> Rationale</a></span></dt>
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<dt><span class="section"><a href="cstdint.html#boost_integer.cstdint.ce"> <span class="emphasis"><em>Caveat emptor</em></span></a></span></dt>
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<dt><span class="section"><a href="cstdint.html#boost_integer.cstdint.exact_width_integer_types">Exact-width
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integer types</a></span></dt>
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<dt><span class="section"><a href="cstdint.html#boost_integer.cstdint.minimum_width_integer_types">Minimum-width
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||||
integer types</a></span></dt>
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||||
<dt><span class="section"><a href="cstdint.html#boost_integer.cstdint.fastest_minimum_width_integer_types">Fastest
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||||
minimum-width integer types</a></span></dt>
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||||
<dt><span class="section"><a href="cstdint.html#boost_integer.cstdint.greatest_width_integer_types">Greatest-width
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integer types</a></span></dt>
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<dt><span class="section"><a href="cstdint.html#boost_integer.cstdint.integer_constant_macros">Integer
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Constant Macros</a></span></dt>
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</dl></div>
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<div class="section">
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||||
<div class="titlepage"><div><div><h3 class="title">
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||||
<a name="boost_integer.cstdint.overview"></a><a class="link" href="cstdint.html#boost_integer.cstdint.overview" title="Overview">Overview</a>
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||||
</h3></div></div></div>
|
||||
<p>
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||||
The header <code class="literal"><a href="../../../../../boost/cstdint.hpp" target="_top"><boost/cstdint.hpp></a></code>
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provides the typedef's useful for writing portable code that requires certain
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integer widths. All typedef's are in namespace boost.
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</p>
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<p>
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The specifications for these types are based on the ISO/IEC 9899:1999 C Language
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standard header <stdint.h>. The 64-bit types required by the C standard
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are <span class="emphasis"><em>not required</em></span> in the boost header, and may not be
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supplied for all platforms/compilers, because <code class="literal">long long</code>
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is not [yet] included in the C++ standard.
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</p>
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<p>
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See <a href="../../../test/cstdint_test.cpp" target="_top">cstdint_test.cpp</a> for
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a test program.
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</p>
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</div>
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<div class="section">
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||||
<div class="titlepage"><div><div><h3 class="title">
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<a name="boost_integer.cstdint.rationale"></a><a class="link" href="cstdint.html#boost_integer.cstdint.rationale" title="Rationale"> Rationale</a>
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</h3></div></div></div>
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<p>
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The organization of the Boost.Integer headers and classes is designed to
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take advantage of <stdint.h> types from the 1999 C standard without
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causing undefined behavior in terms of the 1998 C++ standard. The header
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<boost/cstdint.hpp> makes the standard integer types safely available
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in namespace <code class="literal">boost</code> without placing any names in namespace
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<code class="literal">std</code>. The intension is to complement rather than compete
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with the C++ Standard Library. Should some future C++ standard include <stdint.h>
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and <cstdint>, then <boost/cstdint.hpp> will continue to function,
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but will become redundant and may be safely deprecated.
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</p>
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<p>
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Because these are boost headers, their names conform to boost header naming
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conventions rather than C++ Standard Library header naming conventions.
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</p>
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</div>
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<div class="section">
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<div class="titlepage"><div><div><h3 class="title">
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<a name="boost_integer.cstdint.ce"></a><a class="link" href="cstdint.html#boost_integer.cstdint.ce" title="Caveat emptor"> <span class="emphasis"><em>Caveat emptor</em></span></a>
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</h3></div></div></div>
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<p>
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As an implementation artifact, certain C <limits.h> macro names may
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possibly be visible to users of <boost/cstdint.hpp>. Don't use these
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macros; they are not part of any Boost-specified interface. Use <code class="literal">boost::integer_traits<></code>
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or <code class="literal">std::numeric_limits<></code> instead.
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</p>
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<p>
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As another implementation artifact, certain C <stdint.h> typedef names
|
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may possibly be visible in the global namespace to users of <boost/cstdint.hpp>.
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Don't use these names, they are not part of any Boost-specified interface.
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Use the respective names in namespace <code class="literal">boost</code> instead.
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</p>
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</div>
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<div class="section">
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<div class="titlepage"><div><div><h3 class="title">
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||||
<a name="boost_integer.cstdint.exact_width_integer_types"></a><a class="link" href="cstdint.html#boost_integer.cstdint.exact_width_integer_types" title="Exact-width integer types">Exact-width
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integer types</a>
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</h3></div></div></div>
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<p>
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The typedef <code class="literal">int#_t</code>, with # replaced by the width, designates
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a signed integer type of exactly # bits; for example <code class="literal">int8_t</code>
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denotes an 8-bit signed integer type. Similarly, the typedef <code class="literal">uint#_t</code>
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designates an unsigned integer type of exactly # bits.
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</p>
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<p>
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These types are optional. However, if a platform supports integer types with
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widths of 8, 16, 32, 64, or any combination thereof, then <boost/cstdint.hpp>
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does provide the corresponding typedefs.
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</p>
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<p>
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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>.
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</p>
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</div>
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<div class="section">
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<div class="titlepage"><div><div><h3 class="title">
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<a name="boost_integer.cstdint.minimum_width_integer_types"></a><a class="link" href="cstdint.html#boost_integer.cstdint.minimum_width_integer_types" title="Minimum-width integer types">Minimum-width
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integer types</a>
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</h3></div></div></div>
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<p>
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The typedef <code class="literal">int_least#_t</code>, with # replaced by the width,
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designates a signed integer type with a width of at least # bits, such that
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no signed integer type with lesser size has at least the specified width.
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Thus, <code class="literal">int_least32_t</code> denotes the smallest signed integer
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type with a width of at least 32 bits. Similarly, the typedef name <code class="literal">uint_least#_t</code>
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designates an unsigned integer type with a width of at least # bits, such
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that no unsigned integer type with lesser size has at least the specified
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width.
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</p>
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<p>
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The following minimum-width integer types are provided for all platforms:
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</p>
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<div class="itemizedlist"><ul class="itemizedlist" type="disc">
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<li class="listitem">
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<code class="literal">int_least8_t</code>
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</li>
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<li class="listitem">
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<code class="literal">int_least16_t</code>
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</li>
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<li class="listitem">
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<code class="literal">int_least32_t</code>
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</li>
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<li class="listitem">
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<code class="literal">uint_least8_t</code>
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</li>
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<li class="listitem">
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<code class="literal">uint_least16_t</code>
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</li>
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<li class="listitem">
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<code class="literal">uint_least32_t</code>
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</li>
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</ul></div>
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<p>
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The following types are available only if, after including <boost/cstdint.hpp>,
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the macro BOOST_NO_INT64_T is not defined:
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</p>
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<div class="itemizedlist"><ul class="itemizedlist" type="disc">
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<li class="listitem">
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<code class="literal">int_least64_t</code>
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</li>
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<li class="listitem">
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<code class="literal">uint_least64_t</code>
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</li>
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</ul></div>
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<p>
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All other minimum-width integer types are optional.
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</p>
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</div>
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<div class="section">
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<div class="titlepage"><div><div><h3 class="title">
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<a name="boost_integer.cstdint.fastest_minimum_width_integer_types"></a><a class="link" href="cstdint.html#boost_integer.cstdint.fastest_minimum_width_integer_types" title="Fastest minimum-width integer types">Fastest
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minimum-width integer types</a>
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</h3></div></div></div>
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<p>
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The typedef <code class="literal">int_fast#_t</code>, with # replaced by the width,
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designates the fastest signed integer type with a width of at least # bits.
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Similarly, the typedef name <code class="literal">uint_fast#_t</code> designates the
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fastest unsigned integer type with a width of at least # bits.
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</p>
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<p>
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There is no guarantee that these types are fastest for all purposes. In any
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case, however, they satisfy the signedness and width requirements.
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</p>
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<p>
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The following fastest minimum-width integer types are provided for all platforms:
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</p>
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<div class="itemizedlist"><ul class="itemizedlist" type="disc">
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<li class="listitem">
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<code class="literal">int_fast8_t</code>
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</li>
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<li class="listitem">
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<code class="literal">int_fast16_t</code>
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</li>
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<li class="listitem">
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<code class="literal">int_fast32_t</code>
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</li>
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<li class="listitem">
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<code class="literal">uint_fast8_t</code>
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</li>
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<li class="listitem">
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<code class="literal">uint_fast16_t</code>
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</li>
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<li class="listitem">
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<code class="literal">uint_fast32_t</code>
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</li>
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</ul></div>
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<p>
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The following types are available only if, after including <boost/cstdint.hpp>,
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the macro BOOST_NO_INT64_T is not defined:
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</p>
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<div class="itemizedlist"><ul class="itemizedlist" type="disc">
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<li class="listitem">
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<code class="literal">int_fast64_t</code>
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</li>
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<li class="listitem">
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<code class="literal">uint_fast64_t</code>
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</li>
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</ul></div>
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<p>
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All other fastest minimum-width integer types are optional.
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</p>
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</div>
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<div class="section">
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<div class="titlepage"><div><div><h3 class="title">
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<a name="boost_integer.cstdint.greatest_width_integer_types"></a><a class="link" href="cstdint.html#boost_integer.cstdint.greatest_width_integer_types" title="Greatest-width integer types">Greatest-width
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integer types</a>
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</h3></div></div></div>
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<p>
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The typedef <code class="literal">intmax_t </code>designates a signed integer type
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capable of representing any value of any signed integer type.
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</p>
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<p>
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The typedef <code class="literal">uintmax_t</code> designates an unsigned integer type
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capable of representing any value of any unsigned integer type.
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</p>
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<p>
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These types are provided for all platforms.
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</p>
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</div>
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<div class="section">
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<div class="titlepage"><div><div><h3 class="title">
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<a name="boost_integer.cstdint.integer_constant_macros"></a><a class="link" href="cstdint.html#boost_integer.cstdint.integer_constant_macros" title="Integer Constant Macros">Integer
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Constant Macros</a>
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</h3></div></div></div>
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<p>
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The following macros are always defined after inclusion of this header, these
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allow integer constants of at least the specified width to be declared: INT8_C,
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UINT8_C, INT16_C, UINT16_C, INT32_C, UINT32_C, INTMAX_C, UINTMAX_C.
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</p>
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<p>
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The macros INT64_C and UINT64_C are also defined if the the macro BOOST_NO_INT64_T
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is not defined.
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</p>
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<p>
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The C99 macro __STDC_CONSTANT_MACROS is also defined as an artifact of the
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implementation.
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</p>
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<p>
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For example:
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</p>
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<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">cstdint</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
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<span class="comment">// Here the constant 0x1FFFFFFFF has the correct suffix applied:
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</span><span class="keyword">static</span> <span class="keyword">const</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">uint64_t</span> <span class="identifier">c</span> <span class="special">=</span> <span class="identifier">INT64_C</span><span class="special">(</span><span class="number">0</span><span class="identifier">x1FFFFFFFF</span><span class="special">);</span>
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</pre>
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</div>
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The <a href="http://www.boost.org/libs/config/" target="_top">Boost.Config</a> module
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provides the typedefs useful for writing portable code that requires certain
|
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integer widths.
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</p>
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</div>
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<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
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<td align="left"></td>
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<td align="right"><div class="copyright-footer">Copyright © 2001 -2009 Beman Dawes, Daryle Walker, Gennaro Prota,
|
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John Maddock<p>
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<td align="right"><div class="copyright-footer">Copyright © 2001-2009 Beman
|
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Dawes, Daryle Walker, Gennaro Prota, John Maddock<p>
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Distributed under the Boost Software License, Version 1.0. (See accompanying
|
||||
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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</p>
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@@ -3,7 +3,7 @@
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<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
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<title>History</title>
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<link rel="stylesheet" href="../../../../../doc/src/boostbook.css" type="text/css">
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<meta name="generator" content="DocBook XSL Stylesheets V1.75.2">
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@@ -23,13 +23,13 @@
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</div>
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<div class="section">
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<div class="titlepage"><div><div><h2 class="title" style="clear: both">
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<a name="boost_integer.history"></a><a class="link" href="history.html" title="History"> History</a>
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<a name="boost_integer.history"></a><a class="link" href="history.html" title="History">History</a>
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</h2></div></div></div>
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<a name="boost_integer.history.1_42_0"></a><h5>
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<a name="id766183"></a>
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<a class="link" href="history.html#boost_integer.history.1_42_0">1.42.0</a>
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<h5>
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<a name="boost_integer.history.h0"></a>
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||||
<span class="phrase"><a name="boost_integer.history.1_42_0"></a></span><a class="link" href="history.html#boost_integer.history.1_42_0">1.42.0</a>
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||||
</h5>
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<div class="itemizedlist"><ul class="itemizedlist" type="disc">
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<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
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<li class="listitem">
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Reverted Trunk to release branch state (i.e. a "known good state").
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</li>
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@@ -54,11 +54,11 @@
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provided typedefs in new code (and update old code as soon as possible).
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</li>
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</ul></div>
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<a name="boost_integer.history.1_32_0"></a><h5>
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<a name="id766314"></a>
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<a class="link" href="history.html#boost_integer.history.1_32_0">1.32.0</a>
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<h5>
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<a name="boost_integer.history.h1"></a>
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<span class="phrase"><a name="boost_integer.history.1_32_0"></a></span><a class="link" href="history.html#boost_integer.history.1_32_0">1.32.0</a>
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</h5>
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<div class="itemizedlist"><ul class="itemizedlist" type="disc"><li class="listitem">
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<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem">
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The argument type and the result type of <code class="literal">boost::static_log2</code>
|
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are now typedef'd. Formerly, they were hardcoded as <code class="literal">unsigned long</code>
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and <code class="literal">int</code> respectively. Please, use the provided typedefs
|
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@@ -67,8 +67,8 @@
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</div>
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<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
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||||
<td align="left"></td>
|
||||
<td align="right"><div class="copyright-footer">Copyright © 2001 -2009 Beman Dawes, Daryle Walker, Gennaro Prota,
|
||||
John Maddock<p>
|
||||
<td align="right"><div class="copyright-footer">Copyright © 2001-2009 Beman
|
||||
Dawes, Daryle Walker, Gennaro Prota, John Maddock<p>
|
||||
Distributed under the Boost Software License, Version 1.0. (See accompanying
|
||||
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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</p>
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||||
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@@ -3,7 +3,7 @@
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||||
<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
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<title>Integer Type Selection</title>
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<link rel="stylesheet" href="../../../../../doc/src/boostbook.css" type="text/css">
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<meta name="generator" content="DocBook XSL Stylesheets V1.75.2">
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@@ -24,13 +24,13 @@
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|
||||
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
|
||||
<a name="boost_integer.integer"></a><a class="link" href="integer.html" title="Integer Type Selection"> Integer Type Selection</a>
|
||||
<a name="boost_integer.integer"></a><a class="link" href="integer.html" title="Integer Type Selection">Integer Type Selection</a>
|
||||
</h2></div></div></div>
|
||||
<div class="toc"><dl>
|
||||
<dt><span class="section"><a href="integer.html#boost_integer.integer.synopsis"> Synopsis</a></span></dt>
|
||||
<dt><span class="section"><a href="integer.html#boost_integer.integer.easiest"> Easiest-to-Manipulate
|
||||
<div class="toc"><dl class="toc">
|
||||
<dt><span class="section"><a href="integer.html#boost_integer.integer.synopsis">Synopsis</a></span></dt>
|
||||
<dt><span class="section"><a href="integer.html#boost_integer.integer.easiest">Easiest-to-Manipulate
|
||||
Types</a></span></dt>
|
||||
<dt><span class="section"><a href="integer.html#boost_integer.integer.sized"> Sized Types</a></span></dt>
|
||||
<dt><span class="section"><a href="integer.html#boost_integer.integer.sized">Sized Types</a></span></dt>
|
||||
<dt><span class="section"><a href="integer.html#boost_integer.integer.example">Example</a></span></dt>
|
||||
<dt><span class="section"><a href="integer.html#boost_integer.integer.demonstration_program">Demonstration
|
||||
Program</a></span></dt>
|
||||
@@ -46,20 +46,20 @@
|
||||
</p>
|
||||
<div class="section">
|
||||
<div class="titlepage"><div><div><h3 class="title">
|
||||
<a name="boost_integer.integer.synopsis"></a><a class="link" href="integer.html#boost_integer.integer.synopsis" title="Synopsis"> Synopsis</a>
|
||||
<a name="boost_integer.integer.synopsis"></a><a class="link" href="integer.html#boost_integer.integer.synopsis" title="Synopsis">Synopsis</a>
|
||||
</h3></div></div></div>
|
||||
<pre class="programlisting"><span class="keyword">namespace</span> <span class="identifier">boost</span>
|
||||
<span class="special">{</span>
|
||||
<span class="comment">// fast integers from least integers
|
||||
</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="comment">// fast integers from least integers</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">type</span><span class="special">;</span>
|
||||
<span class="special">};</span>
|
||||
|
||||
<span class="comment">// signed
|
||||
</span> <span class="keyword">template</span><span class="special"><</span><span class="keyword">int</span> <span class="identifier">Bits</span><span class="special">></span>
|
||||
<span class="keyword">struct</span> <span class="identifier">int_t</span>
|
||||
<span class="comment">// signed</span>
|
||||
<span class="keyword">template</span><span class="special"><</span><span class="keyword">int</span> <span class="identifier">Bits</span><span class="special">></span>
|
||||
<span class="keyword">struct</span> <span class="identifier">int_t</span>
|
||||
<span class="special">{</span>
|
||||
<span class="comment">/* Member exact may or may not be defined depending upon Bits */</span>
|
||||
<span class="keyword">typedef</span> <span class="emphasis"><em>implementation-defined-type</em></span> <span class="identifier">exact</span><span class="special">;</span>
|
||||
@@ -67,9 +67,9 @@
|
||||
<span class="keyword">typedef</span> <span class="identifier">int_fast_t</span><span class="special"><</span><span class="identifier">least</span><span class="special">>::</span><span class="identifier">fast</span> <span class="identifier">fast</span><span class="special">;</span>
|
||||
<span class="special">};</span>
|
||||
|
||||
<span class="comment">// unsigned
|
||||
</span> <span class="keyword">template</span><span class="special"><</span><span class="keyword">int</span> <span class="identifier">Bits</span><span class="special">></span>
|
||||
<span class="keyword">struct</span> <span class="identifier">uint_t</span>
|
||||
<span class="comment">// unsigned</span>
|
||||
<span class="keyword">template</span><span class="special"><</span><span class="keyword">int</span> <span class="identifier">Bits</span><span class="special">></span>
|
||||
<span class="keyword">struct</span> <span class="identifier">uint_t</span>
|
||||
<span class="special">{</span>
|
||||
<span class="comment">/* Member exact may or may not be defined depending upon Bits */</span>
|
||||
<span class="keyword">typedef</span> <span class="emphasis"><em>implementation-defined-type</em></span> <span class="identifier">exact</span><span class="special">;</span>
|
||||
@@ -77,34 +77,34 @@
|
||||
<span class="keyword">typedef</span> <span class="identifier">int_fast_t</span><span class="special"><</span><span class="identifier">least</span><span class="special">>::</span><span class="identifier">fast</span> <span class="identifier">fast</span><span class="special">;</span>
|
||||
<span class="special">};</span>
|
||||
|
||||
<span class="comment">// signed
|
||||
</span> <span class="keyword">template</span><span class="special"><</span><span class="keyword">long</span> <span class="keyword">long</span> <span class="identifier">MaxValue</span><span class="special">></span>
|
||||
<span class="keyword">struct</span> <span class="identifier">int_max_value_t</span>
|
||||
<span class="comment">// signed</span>
|
||||
<span class="keyword">template</span><span class="special"><</span><span class="keyword">long</span> <span class="keyword">long</span> <span class="identifier">MaxValue</span><span class="special">></span>
|
||||
<span class="keyword">struct</span> <span class="identifier">int_max_value_t</span>
|
||||
<span class="special">{</span>
|
||||
<span class="keyword">typedef</span> <span class="emphasis"><em>implementation-defined-type</em></span> <span class="identifier">least</span><span class="special">;</span>
|
||||
<span class="keyword">typedef</span> <span class="identifier">int_fast_t</span><span class="special"><</span><span class="identifier">least</span><span class="special">>::</span><span class="identifier">fast</span> <span class="identifier">fast</span><span class="special">;</span>
|
||||
<span class="special">};</span>
|
||||
|
||||
<span class="keyword">template</span><span class="special"><</span><span class="keyword">long</span> <span class="keyword">long</span> <span class="identifier">MinValue</span><span class="special">></span>
|
||||
<span class="keyword">struct</span> <span class="identifier">int_min_value_t</span>
|
||||
<span class="keyword">struct</span> <span class="identifier">int_min_value_t</span>
|
||||
<span class="special">{</span>
|
||||
<span class="keyword">typedef</span> <span class="emphasis"><em>implementation-defined-type</em></span> <span class="identifier">least</span><span class="special">;</span>
|
||||
<span class="keyword">typedef</span> <span class="identifier">int_fast_t</span><span class="special"><</span><span class="identifier">least</span><span class="special">>::</span><span class="identifier">fast</span> <span class="identifier">fast</span><span class="special">;</span>
|
||||
<span class="special">};</span>
|
||||
|
||||
<span class="comment">// unsigned
|
||||
</span> <span class="keyword">template</span><span class="special"><</span><span class="keyword">unsigned</span> <span class="keyword">long</span> <span class="keyword">long</span> <span class="identifier">Value</span><span class="special">></span>
|
||||
<span class="keyword">struct</span> <span class="identifier">uint_value_t</span>
|
||||
<span class="comment">// unsigned</span>
|
||||
<span class="keyword">template</span><span class="special"><</span><span class="keyword">unsigned</span> <span class="keyword">long</span> <span class="keyword">long</span> <span class="identifier">Value</span><span class="special">></span>
|
||||
<span class="keyword">struct</span> <span class="identifier">uint_value_t</span>
|
||||
<span class="special">{</span>
|
||||
<span class="keyword">typedef</span> <span class="emphasis"><em>implementation-defined-type</em></span> <span class="identifier">least</span><span class="special">;</span>
|
||||
<span class="keyword">typedef</span> <span class="identifier">int_fast_t</span><span class="special"><</span><span class="identifier">least</span><span class="special">>::</span><span class="identifier">fast</span> <span class="identifier">fast</span><span class="special">;</span>
|
||||
<span class="special">};</span>
|
||||
<span class="special">}</span> <span class="comment">// namespace boost
|
||||
</span></pre>
|
||||
<span class="special">}</span> <span class="comment">// namespace boost</span>
|
||||
</pre>
|
||||
</div>
|
||||
<div class="section">
|
||||
<div class="titlepage"><div><div><h3 class="title">
|
||||
<a name="boost_integer.integer.easiest"></a><a class="link" href="integer.html#boost_integer.integer.easiest" title="Easiest-to-Manipulate Types"> Easiest-to-Manipulate
|
||||
<a name="boost_integer.integer.easiest"></a><a class="link" href="integer.html#boost_integer.integer.easiest" title="Easiest-to-Manipulate Types">Easiest-to-Manipulate
|
||||
Types</a>
|
||||
</h3></div></div></div>
|
||||
<p>
|
||||
@@ -128,7 +128,7 @@
|
||||
</div>
|
||||
<div class="section">
|
||||
<div class="titlepage"><div><div><h3 class="title">
|
||||
<a name="boost_integer.integer.sized"></a><a class="link" href="integer.html#boost_integer.integer.sized" title="Sized Types"> Sized Types</a>
|
||||
<a name="boost_integer.integer.sized"></a><a class="link" href="integer.html#boost_integer.integer.sized" title="Sized Types">Sized Types</a>
|
||||
</h3></div></div></div>
|
||||
<p>
|
||||
The <code class="literal">int_t</code>, <code class="literal">uint_t</code>, <code class="literal">int_max_value_t</code>,
|
||||
@@ -347,19 +347,19 @@
|
||||
</h3></div></div></div>
|
||||
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">integer</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
|
||||
|
||||
<span class="comment">//...
|
||||
</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="identifier">boost</span><span class="special">::</span><span class="identifier">int_t</span><span class="special"><</span><span class="number">24</span><span class="special">>::</span><span class="identifier">least</span> <span class="identifier">my_var</span><span class="special">;</span> <span class="comment">// my_var has at least 24-bits
|
||||
</span> <span class="comment">//...
|
||||
</span> <span class="comment">// This one is guarenteed not to be truncated:
|
||||
</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">int_max_value_t</span><span class="special"><</span><span class="number">1000</span><span class="special">>::</span><span class="identifier">least</span> <span class="identifier">my1000</span> <span class="special">=</span> <span class="number">1000</span><span class="special">;</span>
|
||||
<span class="comment">//...
|
||||
</span> <span class="comment">// This one is guarenteed not to be truncated, and as fast
|
||||
</span> <span class="comment">// to manipulate as possible, its size may be greater than
|
||||
</span> <span class="comment">// that of my1000:
|
||||
</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">int_max_value_t</span><span class="special"><</span><span class="number">1000</span><span class="special">>::</span><span class="identifier">fast</span> <span class="identifier">my_fast1000</span> <span class="special">=</span> <span class="number">1000</span><span class="special">;</span>
|
||||
<span class="identifier">boost</span><span class="special">::</span><span class="identifier">int_t</span><span class="special"><</span><span class="number">24</span><span class="special">>::</span><span class="identifier">least</span> <span class="identifier">my_var</span><span class="special">;</span> <span class="comment">// my_var has at least 24-bits</span>
|
||||
<span class="comment">//...</span>
|
||||
<span class="comment">// This one is guarenteed not to be truncated:</span>
|
||||
<span class="identifier">boost</span><span class="special">::</span><span class="identifier">int_max_value_t</span><span class="special"><</span><span class="number">1000</span><span class="special">>::</span><span class="identifier">least</span> <span class="identifier">my1000</span> <span class="special">=</span> <span class="number">1000</span><span class="special">;</span>
|
||||
<span class="comment">//...</span>
|
||||
<span class="comment">// This one is guarenteed not to be truncated, and as fast</span>
|
||||
<span class="comment">// to manipulate as possible, its size may be greater than</span>
|
||||
<span class="comment">// that of my1000:</span>
|
||||
<span class="identifier">boost</span><span class="special">::</span><span class="identifier">int_max_value_t</span><span class="special"><</span><span class="number">1000</span><span class="special">>::</span><span class="identifier">fast</span> <span class="identifier">my_fast1000</span> <span class="special">=</span> <span class="number">1000</span><span class="special">;</span>
|
||||
<span class="special">}</span>
|
||||
</pre>
|
||||
</div>
|
||||
@@ -381,7 +381,7 @@
|
||||
<p>
|
||||
The rationale for the design of the templates in this header includes:
|
||||
</p>
|
||||
<div class="itemizedlist"><ul class="itemizedlist" type="disc">
|
||||
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
|
||||
<li class="listitem">
|
||||
Avoid recursion because of concern about C++'s limited guaranteed recursion
|
||||
depth (17).
|
||||
@@ -417,8 +417,8 @@
|
||||
</div>
|
||||
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
|
||||
<td align="left"></td>
|
||||
<td align="right"><div class="copyright-footer">Copyright © 2001 -2009 Beman Dawes, Daryle Walker, Gennaro Prota,
|
||||
John Maddock<p>
|
||||
<td align="right"><div class="copyright-footer">Copyright © 2001-2009 Beman
|
||||
Dawes, Daryle Walker, Gennaro Prota, John Maddock<p>
|
||||
Distributed under the Boost Software License, Version 1.0. (See accompanying
|
||||
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
|
||||
</p>
|
||||
|
||||
@@ -3,7 +3,7 @@
|
||||
<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
|
||||
<title>Compile Time log2 Calculation</title>
|
||||
<link rel="stylesheet" href="../../../../../doc/src/boostbook.css" type="text/css">
|
||||
<meta name="generator" content="DocBook XSL Stylesheets V1.75.2">
|
||||
<meta name="generator" content="DocBook XSL Stylesheets V1.78.1">
|
||||
<link rel="home" href="../index.html" title="Boost.Integer">
|
||||
<link rel="up" href="../index.html" title="Boost.Integer">
|
||||
<link rel="prev" href="mask.html" title="Integer Masks">
|
||||
@@ -24,9 +24,9 @@
|
||||
</div>
|
||||
<div class="section">
|
||||
<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>
|
||||
<div class="toc"><dl class="toc">
|
||||
<dt><span class="section"><a href="log2.html#boost_integer.log2.synopsis">Synopsis</a></span></dt>
|
||||
<dt><span class="section"><a href="log2.html#boost_integer.log2.usage">Usage</a></span></dt>
|
||||
<dt><span class="section"><a href="log2.html#boost_integer.log2.demonstration_program">Demonstration
|
||||
@@ -59,12 +59,12 @@
|
||||
<span class="keyword">template</span> <span class="special"><</span> <span class="special">></span>
|
||||
<span class="keyword">struct</span> <span class="identifier">static_log2</span><span class="special"><</span> <span class="number">0</span> <span class="special">></span>
|
||||
<span class="special">{</span>
|
||||
<span class="comment">// The logarithm of zero is undefined.
|
||||
</span> <span class="special">};</span>
|
||||
<span class="comment">// The logarithm of zero is undefined.</span>
|
||||
<span class="special">};</span>
|
||||
|
||||
|
||||
<span class="special">}</span> <span class="comment">// namespace boost
|
||||
</span></pre>
|
||||
<span class="special">}</span> <span class="comment">// namespace boost</span>
|
||||
</pre>
|
||||
</div>
|
||||
<div class="section">
|
||||
<div class="titlepage"><div><div><h3 class="title">
|
||||
@@ -85,7 +85,7 @@
|
||||
<p>
|
||||
Note:
|
||||
</p>
|
||||
<div class="itemizedlist"><ul class="itemizedlist" type="disc">
|
||||
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
|
||||
<li class="listitem">
|
||||
<code class="literal">static_log2_argument_type</code> is an <span class="emphasis"><em>unsigned
|
||||
integer type</em></span> (C++ standard, 3.9.1p3).
|
||||
@@ -136,8 +136,8 @@
|
||||
</div>
|
||||
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
|
||||
<td align="left"></td>
|
||||
<td align="right"><div class="copyright-footer">Copyright © 2001 -2009 Beman Dawes, Daryle Walker, Gennaro Prota,
|
||||
John Maddock<p>
|
||||
<td align="right"><div class="copyright-footer">Copyright © 2001-2009 Beman
|
||||
Dawes, Daryle Walker, Gennaro Prota, John Maddock<p>
|
||||
Distributed under the Boost Software License, Version 1.0. (See accompanying
|
||||
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
|
||||
</p>
|
||||
|
||||
@@ -3,7 +3,7 @@
|
||||
<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
|
||||
<title>Integer Masks</title>
|
||||
<link rel="stylesheet" href="../../../../../doc/src/boostbook.css" type="text/css">
|
||||
<meta name="generator" content="DocBook XSL Stylesheets V1.75.2">
|
||||
<meta name="generator" content="DocBook XSL Stylesheets V1.78.1">
|
||||
<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">
|
||||
@@ -24,9 +24,9 @@
|
||||
</div>
|
||||
<div class="section">
|
||||
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
|
||||
<a name="boost_integer.mask"></a><a class="link" href="mask.html" title="Integer Masks"> Integer Masks</a>
|
||||
<a name="boost_integer.mask"></a><a class="link" href="mask.html" title="Integer Masks">Integer Masks</a>
|
||||
</h2></div></div></div>
|
||||
<div class="toc"><dl>
|
||||
<div class="toc"><dl class="toc">
|
||||
<dt><span class="section"><a href="mask.html#boost_integer.mask.overview">Overview</a></span></dt>
|
||||
<dt><span class="section"><a href="mask.html#boost_integer.mask.synopsis">Synopsis</a></span></dt>
|
||||
<dt><span class="section"><a href="mask.html#boost_integer.mask.single_bit_mask_class_template">Single
|
||||
@@ -56,8 +56,8 @@
|
||||
<div class="titlepage"><div><div><h3 class="title">
|
||||
<a name="boost_integer.mask.synopsis"></a><a class="link" href="mask.html#boost_integer.mask.synopsis" title="Synopsis">Synopsis</a>
|
||||
</h3></div></div></div>
|
||||
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">cstddef</span><span class="special">></span> <span class="comment">// for std::size_t
|
||||
</span>
|
||||
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">cstddef</span><span class="special">></span> <span class="comment">// for std::size_t</span>
|
||||
|
||||
<span class="keyword">namespace</span> <span class="identifier">boost</span>
|
||||
<span class="special">{</span>
|
||||
|
||||
@@ -85,10 +85,10 @@
|
||||
<span class="keyword">static</span> <span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <span class="identifier">bit_count</span> <span class="special">=</span> <span class="identifier">Bits</span><span class="special">;</span>
|
||||
<span class="special">};</span>
|
||||
|
||||
<span class="comment">// Specializations for low_bits_mask_t exist for certain bit counts.
|
||||
</span>
|
||||
<span class="special">}</span> <span class="comment">// namespace boost
|
||||
</span></pre>
|
||||
<span class="comment">// Specializations for low_bits_mask_t exist for certain bit counts.</span>
|
||||
|
||||
<span class="special">}</span> <span class="comment">// namespace boost</span>
|
||||
</pre>
|
||||
</div>
|
||||
<div class="section">
|
||||
<div class="titlepage"><div><div><h3 class="title">
|
||||
@@ -310,8 +310,8 @@
|
||||
</h3></div></div></div>
|
||||
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">integer</span><span class="special">/</span><span class="identifier">integer_mask</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
|
||||
|
||||
<span class="comment">//...
|
||||
</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">typedef</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">high_bit_mask_t</span><span class="special"><</span><span class="number">29</span><span class="special">></span> <span class="identifier">mask1_type</span><span class="special">;</span>
|
||||
@@ -319,13 +319,13 @@
|
||||
|
||||
<span class="identifier">mask1_type</span><span class="special">::</span><span class="identifier">least</span> <span class="identifier">my_var1</span><span class="special">;</span>
|
||||
<span class="identifier">mask2_type</span><span class="special">::</span><span class="identifier">fast</span> <span class="identifier">my_var2</span><span class="special">;</span>
|
||||
<span class="comment">//...
|
||||
</span>
|
||||
<span class="comment">//...</span>
|
||||
|
||||
<span class="identifier">my_var1</span> <span class="special">|=</span> <span class="identifier">mask1_type</span><span class="special">::</span><span class="identifier">high_bit</span><span class="special">;</span>
|
||||
<span class="identifier">my_var2</span> <span class="special">&=</span> <span class="identifier">mask2_type</span><span class="special">::</span><span class="identifier">sig_bits_fast</span><span class="special">;</span>
|
||||
|
||||
<span class="comment">//...
|
||||
</span><span class="special">}</span>
|
||||
<span class="comment">//...</span>
|
||||
<span class="special">}</span>
|
||||
</pre>
|
||||
</div>
|
||||
<div class="section">
|
||||
@@ -363,8 +363,8 @@
|
||||
</div>
|
||||
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
|
||||
<td align="left"></td>
|
||||
<td align="right"><div class="copyright-footer">Copyright © 2001 -2009 Beman Dawes, Daryle Walker, Gennaro Prota,
|
||||
John Maddock<p>
|
||||
<td align="right"><div class="copyright-footer">Copyright © 2001-2009 Beman
|
||||
Dawes, Daryle Walker, Gennaro Prota, John Maddock<p>
|
||||
Distributed under the Boost Software License, Version 1.0. (See accompanying
|
||||
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
|
||||
</p>
|
||||
|
||||
@@ -3,7 +3,7 @@
|
||||
<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
|
||||
<title>Compile time min/max calculation</title>
|
||||
<link rel="stylesheet" href="../../../../../doc/src/boostbook.css" type="text/css">
|
||||
<meta name="generator" content="DocBook XSL Stylesheets V1.75.2">
|
||||
<meta name="generator" content="DocBook XSL Stylesheets V1.78.1">
|
||||
<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">
|
||||
@@ -24,9 +24,9 @@
|
||||
</div>
|
||||
<div class="section">
|
||||
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
|
||||
<a name="boost_integer.minmax"></a><a class="link" href="minmax.html" title="Compile time min/max calculation"> Compile time min/max calculation</a>
|
||||
<a name="boost_integer.minmax"></a><a class="link" href="minmax.html" title="Compile time min/max calculation">Compile time min/max calculation</a>
|
||||
</h2></div></div></div>
|
||||
<div class="toc"><dl>
|
||||
<div class="toc"><dl class="toc">
|
||||
<dt><span class="section"><a href="minmax.html#boost_integer.minmax.synopsis">Synopsis</a></span></dt>
|
||||
<dt><span class="section"><a href="minmax.html#boost_integer.minmax.usage">Usage</a></span></dt>
|
||||
<dt><span class="section"><a href="minmax.html#boost_integer.minmax.example">Example</a></span></dt>
|
||||
@@ -98,18 +98,18 @@
|
||||
<span class="keyword">void</span> <span class="keyword">operator</span> <span class="special">()(</span> <span class="identifier">addend1_type</span> <span class="keyword">const</span> <span class="special">&</span><span class="identifier">a1</span><span class="special">,</span> <span class="identifier">addend2_type</span> <span class="keyword">const</span> <span class="special">&</span><span class="identifier">a2</span><span class="special">,</span> <span class="identifier">sum_type</span> <span class="special">&</span><span class="identifier">s</span> <span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
|
||||
<span class="special">};</span>
|
||||
|
||||
<span class="comment">//...
|
||||
</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">int</span> <span class="keyword">const</span> <span class="identifier">a1</span><span class="special">[]</span> <span class="special">=</span> <span class="special">{</span> <span class="number">0</span><span class="special">,</span> <span class="number">4</span><span class="special">,</span> <span class="number">3</span> <span class="special">};</span> <span class="comment">// 340
|
||||
</span> <span class="keyword">int</span> <span class="keyword">const</span> <span class="identifier">a2</span><span class="special">[]</span> <span class="special">=</span> <span class="special">{</span> <span class="number">9</span><span class="special">,</span> <span class="number">8</span> <span class="special">};</span> <span class="comment">// 89
|
||||
</span> <span class="keyword">int</span> <span class="identifier">s</span><span class="special">[</span> <span class="number">4</span> <span class="special">];</span>
|
||||
<span class="keyword">int</span> <span class="keyword">const</span> <span class="identifier">a1</span><span class="special">[]</span> <span class="special">=</span> <span class="special">{</span> <span class="number">0</span><span class="special">,</span> <span class="number">4</span><span class="special">,</span> <span class="number">3</span> <span class="special">};</span> <span class="comment">// 340</span>
|
||||
<span class="keyword">int</span> <span class="keyword">const</span> <span class="identifier">a2</span><span class="special">[]</span> <span class="special">=</span> <span class="special">{</span> <span class="number">9</span><span class="special">,</span> <span class="number">8</span> <span class="special">};</span> <span class="comment">// 89</span>
|
||||
<span class="keyword">int</span> <span class="identifier">s</span><span class="special">[</span> <span class="number">4</span> <span class="special">];</span>
|
||||
<span class="identifier">adder</span><span class="special"><</span><span class="number">3</span><span class="special">,</span><span class="number">2</span><span class="special">></span> <span class="identifier">obj</span><span class="special">;</span>
|
||||
|
||||
<span class="identifier">obj</span><span class="special">(</span> <span class="identifier">a1</span><span class="special">,</span> <span class="identifier">a2</span><span class="special">,</span> <span class="identifier">s</span> <span class="special">);</span> <span class="comment">// 's' should be 429 or { 9, 2, 4, 0 }
|
||||
</span> <span class="comment">//...
|
||||
</span><span class="special">}</span>
|
||||
<span class="identifier">obj</span><span class="special">(</span> <span class="identifier">a1</span><span class="special">,</span> <span class="identifier">a2</span><span class="special">,</span> <span class="identifier">s</span> <span class="special">);</span> <span class="comment">// 's' should be 429 or { 9, 2, 4, 0 }</span>
|
||||
<span class="comment">//...</span>
|
||||
<span class="special">}</span>
|
||||
</pre>
|
||||
</div>
|
||||
<div class="section">
|
||||
@@ -145,8 +145,8 @@
|
||||
</div>
|
||||
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
|
||||
<td align="left"></td>
|
||||
<td align="right"><div class="copyright-footer">Copyright © 2001 -2009 Beman Dawes, Daryle Walker, Gennaro Prota,
|
||||
John Maddock<p>
|
||||
<td align="right"><div class="copyright-footer">Copyright © 2001-2009 Beman
|
||||
Dawes, Daryle Walker, Gennaro Prota, John Maddock<p>
|
||||
Distributed under the Boost Software License, Version 1.0. (See accompanying
|
||||
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
|
||||
</p>
|
||||
|
||||
@@ -3,7 +3,7 @@
|
||||
<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
|
||||
<title>Integer Traits</title>
|
||||
<link rel="stylesheet" href="../../../../../doc/src/boostbook.css" type="text/css">
|
||||
<meta name="generator" content="DocBook XSL Stylesheets V1.75.2">
|
||||
<meta name="generator" content="DocBook XSL Stylesheets V1.78.1">
|
||||
<link rel="home" href="../index.html" title="Boost.Integer">
|
||||
<link rel="up" href="../index.html" title="Boost.Integer">
|
||||
<link rel="prev" href="cstdint.html" title="Standard Integer Types">
|
||||
@@ -24,9 +24,9 @@
|
||||
</div>
|
||||
<div class="section">
|
||||
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
|
||||
<a name="boost_integer.traits"></a><a class="link" href="traits.html" title="Integer Traits"> Integer Traits</a>
|
||||
<a name="boost_integer.traits"></a><a class="link" href="traits.html" title="Integer Traits">Integer Traits</a>
|
||||
</h2></div></div></div>
|
||||
<div class="toc"><dl>
|
||||
<div class="toc"><dl class="toc">
|
||||
<dt><span class="section"><a href="traits.html#boost_integer.traits.motivation">Motivation</a></span></dt>
|
||||
<dt><span class="section"><a href="traits.html#boost_integer.traits.synopsis">Synopsis</a></span></dt>
|
||||
<dt><span class="section"><a href="traits.html#boost_integer.traits.description">Description</a></span></dt>
|
||||
@@ -45,14 +45,14 @@
|
||||
<p>
|
||||
For integer types, the interesting members of <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">numeric_limits</span><span class="special"><></span></code> are:
|
||||
</p>
|
||||
<pre class="programlisting"><span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">bool</span> <span class="identifier">is_specialized</span><span class="special">;</span> <span class="comment">// Will be true for integer types.
|
||||
</span><span class="keyword">static</span> <span class="identifier">T</span> <span class="identifier">min</span><span class="special">()</span> <span class="keyword">throw</span><span class="special">();</span> <span class="comment">// Smallest representable value.
|
||||
</span><span class="keyword">static</span> <span class="identifier">T</span> <span class="identifier">max</span><span class="special">()</span> <span class="keyword">throw</span><span class="special">();</span> <span class="comment">// Largest representable value.
|
||||
</span><span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">int</span> <span class="identifier">digits</span><span class="special">;</span> <span class="comment">// For integers, the number of value bits.
|
||||
</span><span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">int</span> <span class="identifier">digits10</span><span class="special">;</span> <span class="comment">// The number of base 10 digits that can be represented.
|
||||
</span><span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">bool</span> <span class="identifier">is_signed</span><span class="special">;</span> <span class="comment">// True if the type is signed.
|
||||
</span><span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">bool</span> <span class="identifier">is_integer</span><span class="special">;</span> <span class="comment">// Will be true for all integer types.
|
||||
</span></pre>
|
||||
<pre class="programlisting"><span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">bool</span> <span class="identifier">is_specialized</span><span class="special">;</span> <span class="comment">// Will be true for integer types.</span>
|
||||
<span class="keyword">static</span> <span class="identifier">T</span> <span class="identifier">min</span><span class="special">()</span> <span class="keyword">throw</span><span class="special">();</span> <span class="comment">// Smallest representable value.</span>
|
||||
<span class="keyword">static</span> <span class="identifier">T</span> <span class="identifier">max</span><span class="special">()</span> <span class="keyword">throw</span><span class="special">();</span> <span class="comment">// Largest representable value.</span>
|
||||
<span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">int</span> <span class="identifier">digits</span><span class="special">;</span> <span class="comment">// For integers, the number of value bits.</span>
|
||||
<span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">int</span> <span class="identifier">digits10</span><span class="special">;</span> <span class="comment">// The number of base 10 digits that can be represented.</span>
|
||||
<span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">bool</span> <span class="identifier">is_signed</span><span class="special">;</span> <span class="comment">// True if the type is signed.</span>
|
||||
<span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">bool</span> <span class="identifier">is_integer</span><span class="special">;</span> <span class="comment">// Will be true for all integer types.</span>
|
||||
</pre>
|
||||
<p>
|
||||
For many uses, these are sufficient. But min() and max() are problematical
|
||||
because they are not constant expressions (std::5.19), yet some usages require
|
||||
@@ -72,11 +72,11 @@
|
||||
<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
|
||||
</span> <span class="comment">// integal type:
|
||||
</span> <span class="comment">//
|
||||
</span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="identifier">T</span> <span class="identifier">const_min</span> <span class="special">=</span> <span class="emphasis"><em>implementation-defined</em></span><span class="special">;</span>
|
||||
<span class="comment">//</span>
|
||||
<span class="comment">// These members are defined only if T is a built-in</span>
|
||||
<span class="comment">// integal type:</span>
|
||||
<span class="comment">//</span>
|
||||
<span class="keyword">static</span> <span class="keyword">const</span> <span class="identifier">T</span> <span class="identifier">const_min</span> <span class="special">=</span> <span class="emphasis"><em>implementation-defined</em></span><span class="special">;</span>
|
||||
<span class="keyword">static</span> <span class="keyword">const</span> <span class="identifier">T</span> <span class="identifier">const_max</span> <span class="special">=</span> <span class="emphasis"><em>implementation-defined</em></span><span class="special">;</span>
|
||||
<span class="special">};</span>
|
||||
<span class="special">}</span>
|
||||
@@ -200,8 +200,8 @@
|
||||
</div>
|
||||
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
|
||||
<td align="left"></td>
|
||||
<td align="right"><div class="copyright-footer">Copyright © 2001 -2009 Beman Dawes, Daryle Walker, Gennaro Prota,
|
||||
John Maddock<p>
|
||||
<td align="right"><div class="copyright-footer">Copyright © 2001-2009 Beman
|
||||
Dawes, Daryle Walker, Gennaro Prota, John Maddock<p>
|
||||
Distributed under the Boost Software License, Version 1.0. (See accompanying
|
||||
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
|
||||
</p>
|
||||
|
||||
Reference in New Issue
Block a user