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<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../basic_ios.html" title="cpp/io/basic ios"><span class="t-lines"><span>basic_ios</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../basic_istream.html" title="cpp/io/basic istream"><span class="t-lines"><span>basic_istream</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../basic_ostream.html" title="cpp/io/basic ostream"><span class="t-lines"><span>basic_ostream</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../basic_iostream.html" title="cpp/io/basic iostream"><span class="t-lines"><span>basic_iostream</span></span></a></div></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> File I/O </td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../basic_ifstream.html" title="cpp/io/basic ifstream"><span class="t-lines"><span>basic_ifstream</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../basic_ofstream.html" title="cpp/io/basic ofstream"><span class="t-lines"><span>basic_ofstream</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../basic_fstream.html" title="cpp/io/basic fstream"><span class="t-lines"><span>basic_fstream</span></span></a></div></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> String I/O </td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../basic_istringstream.html" title="cpp/io/basic istringstream"><span class="t-lines"><span>basic_istringstream</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../basic_ostringstream.html" title="cpp/io/basic ostringstream"><span class="t-lines"><span>basic_ostringstream</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../basic_stringstream.html" title="cpp/io/basic stringstream"><span class="t-lines"><span>basic_stringstream</span></span></a></div></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> Array I/O </td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../istrstream.html" title="cpp/io/istrstream"><span class="t-lines"><span>istrstream</span></span></a></div><div><span class="t-lines"><span><span class="t-mark">(deprecated)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../ostrstream.html" title="cpp/io/ostrstream"><span class="t-lines"><span>ostrstream</span></span></a></div><div><span class="t-lines"><span><span class="t-mark">(deprecated)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../strstream.html" title="cpp/io/strstream"><span class="t-lines"><span>strstream</span></span></a></div><div><span class="t-lines"><span><span class="t-mark">(deprecated)</span></span></span></div></div></td></tr>
<tr class="t-nv-h1"><td colspan="5"> Types </td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../streamoff.html" title="cpp/io/streamoff"><span class="t-lines"><span>streamoff</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../streamsize.html" title="cpp/io/streamsize"><span class="t-lines"><span>streamsize</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../fpos.html" title="cpp/io/fpos"><span class="t-lines"><span>fpos</span></span></a></div></div></td></tr>
<tr class="t-nv-h1"><td colspan="5"> Error category interface </td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../iostream_category.html" title="cpp/io/iostream category"><span class="t-lines"><span>iostream_category</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../io_errc.html" title="cpp/io/io errc"><span class="t-lines"><span>io_errc</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div></td></tr>
</table></div><div><span class="editsection noprint plainlinks" title="Edit this template"><a rel="nofollow" class="external text" href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/io/navbar_content&action=edit">[edit]</a></span></div></div></div></div><div class="t-navbar-sep"> </div><div class="t-navbar-head"><a href="../ios_base.html" title="cpp/io/ios base"><tt>std::ios_base</tt></a><div class="t-navbar-menu"><div><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv-h1"><td colspan="5"> Member functions</td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="ios_base.html" title="cpp/io/ios base/ios base"><span class="t-lines"><span>ios_base::ios_base</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="~ios_base.html" title="cpp/io/ios base/~ios base"><span class="t-lines"><span>ios_base::~ios_base</span></span></a></div></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> Formatting</td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="flags.html" title="cpp/io/ios base/flags"><span class="t-lines"><span>ios_base::flags</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="setf.html" title="cpp/io/ios base/setf"><span class="t-lines"><span>ios_base::setf</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="unsetf.html" title="cpp/io/ios base/unsetf"><span class="t-lines"><span>ios_base::unsetf</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="precision.html" title="cpp/io/ios base/precision"><span class="t-lines"><span>ios_base::precision</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="width.html" title="cpp/io/ios base/width"><span class="t-lines"><span>ios_base::width</span></span></a></div></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> Locales</td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="imbue.html" title="cpp/io/ios base/imbue"><span class="t-lines"><span>ios_base::imbue</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="getloc.html" title="cpp/io/ios base/getloc"><span class="t-lines"><span>ios_base::getloc</span></span></a></div></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> Internal extensible array</td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="xalloc.html" title="cpp/io/ios base/xalloc"><span class="t-lines"><span>ios_base::xalloc</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="iword.html" title="cpp/io/ios base/iword"><span class="t-lines"><span>ios_base::iword</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="pword.html" title="cpp/io/ios base/pword"><span class="t-lines"><span>ios_base::pword</span></span></a></div></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> Miscellaneous</td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="register_callback.html" title="cpp/io/ios base/register callback"><span class="t-lines"><span>ios_base::register_callback</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="sync_with_stdio.html" title="cpp/io/ios base/sync with stdio"><span class="t-lines"><span>ios_base::sync_with_stdio</span></span></a></div></div></td></tr>
<tr class="t-nv-h1"><td colspan="5"> Member classes</td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="failure.html" title="cpp/io/ios base/failure"><span class="t-lines"><span>ios_base::failure</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="Init.html" title="cpp/io/ios base/Init"><span class="t-lines"><span>ios_base::Init</span></span></a></div></div></td></tr>
<tr class="t-nv-h1"><td colspan="5"> Member types</td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="openmode.html" title="cpp/io/ios base/openmode"><span class="t-lines"><span>ios_base::openmode</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><strong class="selflink"><span class="t-lines"><span>ios_base::fmtflags</span></span></strong></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="iostate.html" title="cpp/io/ios base/iostate"><span class="t-lines"><span>ios_base::iostate</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="seekdir.html" title="cpp/io/ios base/seekdir"><span class="t-lines"><span>ios_base::seekdir</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="event.html" title="cpp/io/ios base/event"><span class="t-lines"><span>ios_base::event</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="event_callback.html" title="cpp/io/ios base/event callback"><span class="t-lines"><span>ios_base::event_callback</span></span></a></div></div></td></tr>
</table></div><div><span class="editsection noprint plainlinks" title="Edit this template"><a rel="nofollow" class="external text" href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/io/ios_base/navbar_content&action=edit">[edit]</a></span></div></div></div></div><div class="t-navbar-sep"> </div></div>
<table class="t-dcl-begin"><tbody>
<tr class="t-dcl">
<td class="t-dcl-nopad"> <div><span class="mw-geshi cpp source-cpp"><span class="kw1">typedef</span> <span class="coMULTI">/*implementation defined*/</span> fmtflags<span class="sy4">;</span></span></div></td>
<td class="t-dcl-nopad"> </td>
<td class="t-dcl-nopad"> </td>
</tr>
<tr class="t-dcl">
<td class="t-dcl-nopad"> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">static</span> <span class="kw4">constexpr</span> fmtflags dec <span class="sy1">=</span> <span class="coMULTI">/*implementation defined*/</span><br />
<p><span class="kw4">static</span> <span class="kw4">constexpr</span> fmtflags oct <span class="sy1">=</span> <span class="coMULTI">/*implementation defined*/</span><br />
<span class="kw4">static</span> <span class="kw4">constexpr</span> fmtflags hex <span class="sy1">=</span> <span class="coMULTI">/*implementation defined*/</span><br />
</p>
<span class="kw4">static</span> <span class="kw4">constexpr</span> fmtflags basefield <span class="sy1">=</span> <span class="coMULTI">/*implementation defined (dec | oct | hex)*/</span></span></div></td>
<td class="t-dcl-nopad"> </td>
<td class="t-dcl-nopad"> </td>
</tr>
<tr class="t-dcl">
<td class="t-dcl-nopad"> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">static</span> <span class="kw4">constexpr</span> fmtflags left <span class="sy1">=</span> <span class="coMULTI">/*implementation defined*/</span><br />
<p><span class="kw4">static</span> <span class="kw4">constexpr</span> fmtflags right <span class="sy1">=</span> <span class="coMULTI">/*implementation defined*/</span><br />
<span class="kw4">static</span> <span class="kw4">constexpr</span> fmtflags internal <span class="sy1">=</span> <span class="coMULTI">/*implementation defined*/</span><br />
</p>
<span class="kw4">static</span> <span class="kw4">constexpr</span> fmtflags adjustfield <span class="sy1">=</span> <span class="coMULTI">/*implementation defined (left | right | internal)*/</span></span></div></td>
<td class="t-dcl-nopad"> </td>
<td class="t-dcl-nopad"> </td>
</tr>
<tr class="t-dcl">
<td class="t-dcl-nopad"> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">static</span> <span class="kw4">constexpr</span> fmtflags scientific <span class="sy1">=</span> <span class="coMULTI">/*implementation defined*/</span><br />
<p><span class="kw4">static</span> <span class="kw4">constexpr</span> fmtflags fixed <span class="sy1">=</span> <span class="coMULTI">/*implementation defined*/</span><br />
</p>
<span class="kw4">static</span> <span class="kw4">constexpr</span> fmtflags floatfield <span class="sy1">=</span> <span class="coMULTI">/*implementation defined (scientific | fixed)*/</span></span></div></td>
<td class="t-dcl-nopad"> </td>
<td class="t-dcl-nopad"> </td>
</tr>
<tr class="t-dcl">
<td class="t-dcl-nopad"> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">static</span> <span class="kw4">constexpr</span> fmtflags boolalpha <span class="sy1">=</span> <span class="coMULTI">/*implementation defined*/</span><br />
<p><span class="kw4">static</span> <span class="kw4">constexpr</span> fmtflags showbase <span class="sy1">=</span> <span class="coMULTI">/*implementation defined*/</span><br />
<span class="kw4">static</span> <span class="kw4">constexpr</span> fmtflags showpoint <span class="sy1">=</span> <span class="coMULTI">/*implementation defined*/</span><br />
<span class="kw4">static</span> <span class="kw4">constexpr</span> fmtflags showpos <span class="sy1">=</span> <span class="coMULTI">/*implementation defined*/</span><br />
<span class="kw4">static</span> <span class="kw4">constexpr</span> fmtflags skipws <span class="sy1">=</span> <span class="coMULTI">/*implementation defined*/</span><br />
<span class="kw4">static</span> <span class="kw4">constexpr</span> fmtflags unitbuf <span class="sy1">=</span> <span class="coMULTI">/*implementation defined*/</span><br />
</p>
<span class="kw4">static</span> <span class="kw4">constexpr</span> fmtflags uppercase <span class="sy1">=</span> <span class="coMULTI">/*implementation defined*/</span></span></div></td>
<td class="t-dcl-nopad"> </td>
<td class="t-dcl-nopad"> </td>
</tr>
<tr class="t-dcl-sep"><td></td><td></td><td></td></tr>
</tbody></table>
<p>Specifies available formatting flags. It is a <a href="../../concept/BitmaskType.html" title="cpp/concept/BitmaskType"><code>BitmaskType</code></a>. The following constants are defined:
</p>
<table class="t-dsc-begin">
<tr class="t-dsc-hitem">
<td> Constant
</td>
<td> Explanation
</td></tr>
<tr class="t-dsc">
<td> <strong class="selflink"><tt>dec</tt></strong>
</td>
<td> use decimal base for integer I/O: see <span class="t-lc"><a href="../manip/hex.html" title="cpp/io/manip/hex">std::dec</a></span>
</td></tr>
<tr class="t-dsc">
<td> <strong class="selflink"><tt>oct</tt></strong>
</td>
<td> use octal base for integer I/O: see <span class="t-lc"><a href="../manip/hex.html" title="cpp/io/manip/hex">std::oct</a></span>
</td></tr>
<tr class="t-dsc">
<td> <strong class="selflink"><tt>hex</tt></strong>
</td>
<td> use hexadecimal base for integer I/O: see <span class="t-lc"><a href="../manip/hex.html" title="cpp/io/manip/hex">std::hex</a></span>
</td></tr>
<tr class="t-dsc">
<td> <strong class="selflink"><tt>basefield</tt></strong>
</td>
<td> <span class="t-c"><span class="mw-geshi cpp source-cpp">dec<span class="sy3">|</span>oct<span class="sy3">|</span>hex<span class="sy3">|</span><span class="nu0">0</span></span></span>. Useful for masking operations
</td></tr>
<tr class="t-dsc">
<td> <strong class="selflink"><tt>left</tt></strong>
</td>
<td> left adjustment (adds fill characters to the right): see <span class="t-lc"><a href="../manip/left.html" title="cpp/io/manip/left">std::left</a></span>
</td></tr>
<tr class="t-dsc">
<td> <strong class="selflink"><tt>right</tt></strong>
</td>
<td> right adjustment (adds fill characters to the left): see <span class="t-lc"><a href="../manip/left.html" title="cpp/io/manip/left">std::right</a></span>
</td></tr>
<tr class="t-dsc">
<td> <strong class="selflink"><tt>internal</tt></strong>
</td>
<td> internal adjustment (adds fill characters to the internal designated point): see <span class="t-lc"><a href="../manip/left.html" title="cpp/io/manip/left">std::internal</a></span>
</td></tr>
<tr class="t-dsc">
<td> <strong class="selflink"><tt>adjustfield</tt></strong>
</td>
<td> <span class="t-c"><span class="mw-geshi cpp source-cpp">left<span class="sy3">|</span>right<span class="sy3">|</span>internal</span></span>. Useful for masking operations
</td></tr>
<tr class="t-dsc">
<td> <strong class="selflink"><tt>scientific</tt></strong>
</td>
<td> generate floating point types using scientific notation, or hex notation if combined with fixed: see <span class="t-lc"><a href="../manip/fixed.html" title="cpp/io/manip/fixed">std::scientific</a></span>
</td></tr>
<tr class="t-dsc">
<td> <strong class="selflink"><tt>fixed</tt></strong>
</td>
<td> generate floating point types using fixed notation, or hex notation if combined with scientific: see <span class="t-lc"><a href="../manip/fixed.html" title="cpp/io/manip/fixed">std::fixed</a></span>
</td></tr>
<tr class="t-dsc">
<td> <strong class="selflink"><tt>floatfield</tt></strong>
</td>
<td> <span class="t-c"><span class="mw-geshi cpp source-cpp">scientific<span class="sy3">|</span>fixed<span class="sy3">|</span><span class="br0">(</span>scientific<span class="sy3">|</span>fixed<span class="br0">)</span><span class="sy3">|</span><span class="nu0">0</span></span></span>. Useful for masking operations
</td></tr>
<tr class="t-dsc">
<td> <strong class="selflink"><tt>boolalpha</tt></strong>
</td>
<td> insert and extract <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw4">bool</span></span></span> type in alphanumeric format: see <span class="t-lc"><a href="../manip/boolalpha.html" title="cpp/io/manip/boolalpha">std::boolalpha</a></span>
</td></tr>
<tr class="t-dsc">
<td> <strong class="selflink"><tt>showbase</tt></strong>
</td>
<td> generate a prefix indicating the numeric base for integer output, require the currency indicator in monetary I/O: see <span class="t-lc"><a href="../manip/showbase.html" title="cpp/io/manip/showbase">std::showbase</a></span>
</td></tr>
<tr class="t-dsc">
<td> <strong class="selflink"><tt>showpoint</tt></strong>
</td>
<td> generate a decimal-point character unconditionally for floating-point number output: see <span class="t-lc"><a href="../manip/showpoint.html" title="cpp/io/manip/showpoint">std::showpoint</a></span>
</td></tr>
<tr class="t-dsc">
<td> <strong class="selflink"><tt>showpos</tt></strong>
</td>
<td> generate a <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="sy2">+</span></span></span> character for non-negative numeric output: see <span class="t-lc"><a href="../manip/showpos.html" title="cpp/io/manip/showpos">std::showpos</a></span>
</td></tr>
<tr class="t-dsc">
<td> <strong class="selflink"><tt>skipws</tt></strong>
</td>
<td> skip leading whitespace before certain input operations: see <span class="t-lc"><a href="../manip/skipws.html" title="cpp/io/manip/skipws">std::skipws</a></span>
</td></tr>
<tr class="t-dsc">
<td> <strong class="selflink"><tt>unitbuf</tt></strong>
</td>
<td> flush the output after each output operation: see <span class="t-lc"><a href="../manip/unitbuf.html" title="cpp/io/manip/unitbuf">std::unitbuf</a></span>
</td></tr>
<tr class="t-dsc">
<td> <strong class="selflink"><tt>uppercase</tt></strong>
</td>
<td> replace certain lowercase letters with their uppercase<br />equivalents in certain output output operations: see <span class="t-lc"><a href="../manip/uppercase.html" title="cpp/io/manip/uppercase">std::uppercase</a></span>
</td></tr>
</table>
<h3><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=cpp/io/ios_base/fmtflags&action=edit&section=1" title="Edit section: Example">edit</a>]</span> <span class="mw-headline" id="Example">Example</span></h3>
<div class="t-example"><p> The following example shows several different ways to print the same result.
</p><div class="t-example-live-link"><div class="coliru-btn coliru-btn-run-init">Run this code</div></div>
<div dir="ltr" class="mw-geshi" style="text-align: left;"><div class="cpp source-cpp"><pre class="de1"><span class="co2">#include <iostream></span>
 
<span class="kw4">int</span> main<span class="br0">(</span><span class="br0">)</span>
<span class="br0">{</span>
<span class="kw4">int</span> num <span class="sy1">=</span> <span class="nu0">150</span><span class="sy4">;</span>
 
<span class="co1">// using fmtflags as class member constants:</span>
<a href="../cout.html"><span class="kw1462">std::<span class="me2">cout</span></span></a>.<span class="me1">setf</span><span class="br0">(</span>std<span class="sy4">::</span><span class="me2">ios_base</span><span class="sy4">::</span><span class="me2">hex</span>, std<span class="sy4">::</span><span class="me2">ios_base</span><span class="sy4">::</span><span class="me2">basefield</span><span class="br0">)</span><span class="sy4">;</span>
<a href="../cout.html"><span class="kw1462">std::<span class="me2">cout</span></span></a>.<span class="me1">setf</span><span class="br0">(</span>std<span class="sy4">::</span><span class="me2">ios_base</span><span class="sy4">::</span><span class="me2">showbase</span><span class="br0">)</span><span class="sy4">;</span>
<a href="../cout.html"><span class="kw1462">std::<span class="me2">cout</span></span></a> <span class="sy1"><<</span> num <span class="sy1"><<</span> <span class="st0">'<span class="es1">\n</span>'</span><span class="sy4">;</span>
 
<span class="co1">// using fmtflags as inherited class member constants:</span>
<a href="../cout.html"><span class="kw1462">std::<span class="me2">cout</span></span></a>.<span class="me1">setf</span> <span class="br0">(</span>std<span class="sy4">::</span><span class="me2">ios</span><span class="sy4">::</span><span class="me2">hex</span> , std<span class="sy4">::</span><span class="me2">ios</span><span class="sy4">::</span><span class="me2">basefield</span><span class="br0">)</span><span class="sy4">;</span>
<a href="../cout.html"><span class="kw1462">std::<span class="me2">cout</span></span></a>.<span class="me1">setf</span> <span class="br0">(</span>std<span class="sy4">::</span><span class="me2">ios</span><span class="sy4">::</span><span class="me2">showbase</span><span class="br0">)</span><span class="sy4">;</span>
<a href="../cout.html"><span class="kw1462">std::<span class="me2">cout</span></span></a> <span class="sy1"><<</span> num <span class="sy1"><<</span> <span class="st0">'<span class="es1">\n</span>'</span><span class="sy4">;</span>
 
<span class="co1">// using fmtflags as object member constants:</span>
<a href="../cout.html"><span class="kw1462">std::<span class="me2">cout</span></span></a>.<span class="me1">setf</span><span class="br0">(</span><a href="../cout.html"><span class="kw1462">std::<span class="me2">cout</span></span></a>.<span class="me1">hex</span>, <a href="../cout.html"><span class="kw1462">std::<span class="me2">cout</span></span></a>.<span class="me1">basefield</span><span class="br0">)</span><span class="sy4">;</span>
<a href="../cout.html"><span class="kw1462">std::<span class="me2">cout</span></span></a>.<span class="me1">setf</span><span class="br0">(</span><a href="../cout.html"><span class="kw1462">std::<span class="me2">cout</span></span></a>.<span class="me1">showbase</span><span class="br0">)</span><span class="sy4">;</span>
<a href="../cout.html"><span class="kw1462">std::<span class="me2">cout</span></span></a> <span class="sy1"><<</span> num <span class="sy1"><<</span> <span class="st0">'<span class="es1">\n</span>'</span><span class="sy4">;</span>
 
<span class="co1">// using fmtflags as a type:</span>
std<span class="sy4">::</span><span class="me2">ios_base</span><span class="sy4">::</span><span class="me2">fmtflags</span> ff<span class="sy4">;</span>
ff <span class="sy1">=</span> <a href="../cout.html"><span class="kw1462">std::<span class="me2">cout</span></span></a>.<span class="me1">flags</span><span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
ff <span class="sy3">&</span><span class="sy1">=</span> ~<a href="../cout.html"><span class="kw1462">std::<span class="me2">cout</span></span></a>.<span class="me1">basefield</span><span class="sy4">;</span> <span class="co1">// unset basefield bits</span>
ff <span class="sy3">|</span><span class="sy1">=</span> <a href="../cout.html"><span class="kw1462">std::<span class="me2">cout</span></span></a>.<span class="me1">hex</span><span class="sy4">;</span> <span class="co1">// set hex</span>
ff <span class="sy3">|</span><span class="sy1">=</span> <a href="../cout.html"><span class="kw1462">std::<span class="me2">cout</span></span></a>.<span class="me1">showbase</span><span class="sy4">;</span> <span class="co1">// set showbase</span>
<a href="../cout.html"><span class="kw1462">std::<span class="me2">cout</span></span></a>.<span class="me1">flags</span><span class="br0">(</span>ff<span class="br0">)</span><span class="sy4">;</span>
<a href="../cout.html"><span class="kw1462">std::<span class="me2">cout</span></span></a> <span class="sy1"><<</span> num <span class="sy1"><<</span> <span class="st0">'<span class="es1">\n</span>'</span><span class="sy4">;</span>
 
<span class="co1">// not using fmtflags, but using manipulators:</span>
<a href="../cout.html"><span class="kw1462">std::<span class="me2">cout</span></span></a> <span class="sy1"><<</span> <a href="../manip/hex.html"><span class="kw1486">std::<span class="me2">hex</span></span></a> <span class="sy1"><<</span> <a href="../manip/showbase.html"><span class="kw1470">std::<span class="me2">showbase</span></span></a> <span class="sy1"><<</span> num <span class="sy1"><<</span> <span class="st0">'<span class="es1">\n</span>'</span><span class="sy4">;</span>
<span class="br0">}</span></pre></div></div>
<p>Output:
</p>
<div dir="ltr" class="mw-geshi" style="text-align: left;"><div class="text source-text"><pre class="de1">0x96
0x96
0x96
0x96
0x96</pre></div></div>
</div>
<h3><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=cpp/io/ios_base/fmtflags&action=edit&section=2" title="Edit section: See also">edit</a>]</span> <span class="mw-headline" id="See_also">See also</span></h3>
<table class="t-dsc-begin">
<tr class="t-dsc">
<td> <div class="t-dsc-member-div"><div><a href="flags.html" title="cpp/io/ios base/flags"> <span class="t-lines"><span>flags</span></span></a></div></div>
</td>
<td> manages format flags <br /> <span class="t-mark">(public member function)</span> <span class="editsection noprint plainlinks" title="Edit this template"><a rel="nofollow" class="external text" href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/io/ios_base/dsc_flags&action=edit">[edit]</a></span>
</td></tr>
<tr class="t-dsc">
<td> <div class="t-dsc-member-div"><div><a href="setf.html" title="cpp/io/ios base/setf"> <span class="t-lines"><span>setf</span></span></a></div></div>
</td>
<td> sets specific format flag <br /> <span class="t-mark">(public member function)</span> <span class="editsection noprint plainlinks" title="Edit this template"><a rel="nofollow" class="external text" href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/io/ios_base/dsc_setf&action=edit">[edit]</a></span>
</td></tr>
<tr class="t-dsc">
<td> <div class="t-dsc-member-div"><div><a href="unsetf.html" title="cpp/io/ios base/unsetf"> <span class="t-lines"><span>unsetf</span></span></a></div></div>
</td>
<td> clears specific format flag <br /> <span class="t-mark">(public member function)</span> <span class="editsection noprint plainlinks" title="Edit this template"><a rel="nofollow" class="external text" href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/io/ios_base/dsc_unsetf&action=edit">[edit]</a></span>
</td></tr>
<tr class="t-dsc">
<td> <div class="t-dsc-member-div"><div><a href="../manip/setbase.html" title="cpp/io/manip/setbase"> <span class="t-lines"><span>setbase</span></span></a></div></div>
</td>
<td> changes the base used for integer I/O <br /> <span class="t-mark">(function)</span> <span class="editsection noprint plainlinks" title="Edit this template"><a rel="nofollow" class="external text" href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/io/manip/dsc_setbase&action=edit">[edit]</a></span>
</td></tr>
<tr class="t-dsc">
<td> <div class="t-dsc-member-div"><div><a href="../manip/setfill.html" title="cpp/io/manip/setfill"> <span class="t-lines"><span>setfill</span></span></a></div></div>
</td>
<td> changes the fill character <br /> <span class="t-mark">(function template)</span> <span class="editsection noprint plainlinks" title="Edit this template"><a rel="nofollow" class="external text" href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/io/manip/dsc_setfill&action=edit">[edit]</a></span>
</td></tr>
<tr class="t-dsc">
<td> <div class="t-dsc-member-div"><div><a href="../manip/fixed.html" title="cpp/io/manip/fixed"> <span class="t-lines"><span>fixed</span><span>scientific</span><span>hexfloat</span><span>defaultfloat</span></span></a></div><div><span class="t-lines"><span></span><span></span><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div>
</td>
<td> changes formatting used for floating-point I/O <br /> <span class="t-mark">(function)</span> <span class="editsection noprint plainlinks" title="Edit this template"><a rel="nofollow" class="external text" href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/io/manip/dsc_fixed&action=edit">[edit]</a></span>
</td></tr>
<tr class="t-dsc">
<td> <div class="t-dsc-member-div"><div><a href="../manip/showbase.html" title="cpp/io/manip/showbase"> <span class="t-lines"><span>showbase</span><span>noshowbase</span></span></a></div></div>
</td>
<td> controls whether prefix is used to indicate numeric base <br /> <span class="t-mark">(function)</span> <span class="editsection noprint plainlinks" title="Edit this template"><a rel="nofollow" class="external text" href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/io/manip/dsc_showbase&action=edit">[edit]</a></span>
</td></tr>
<tr class="t-dsc">
<td> <div class="t-dsc-member-div"><div><a href="../manip/boolalpha.html" title="cpp/io/manip/boolalpha"> <span class="t-lines"><span>boolalpha</span><span>noboolalpha</span></span></a></div></div>
</td>
<td> switches between textual and numeric representation of booleans <br /> <span class="t-mark">(function)</span> <span class="editsection noprint plainlinks" title="Edit this template"><a rel="nofollow" class="external text" href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/io/manip/dsc_boolalpha&action=edit">[edit]</a></span>
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<td> <div class="t-dsc-member-div"><div><a href="../manip/showpos.html" title="cpp/io/manip/showpos"> <span class="t-lines"><span>showpos</span><span>noshowpos</span></span></a></div></div>
</td>
<td> controls whether the <code>+</code> sign used with non-negative numbers <br /> <span class="t-mark">(function)</span> <span class="editsection noprint plainlinks" title="Edit this template"><a rel="nofollow" class="external text" href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/io/manip/dsc_showpos&action=edit">[edit]</a></span>
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<td> <div class="t-dsc-member-div"><div><a href="../manip/showpoint.html" title="cpp/io/manip/showpoint"> <span class="t-lines"><span>showpoint</span><span>noshowpoint</span></span></a></div></div>
</td>
<td> controls whether decimal point is always included in floating-point representation <br /> <span class="t-mark">(function)</span> <span class="editsection noprint plainlinks" title="Edit this template"><a rel="nofollow" class="external text" href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/io/manip/dsc_showpoint&action=edit">[edit]</a></span>
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<td> <div class="t-dsc-member-div"><div><a href="../manip/unitbuf.html" title="cpp/io/manip/unitbuf"> <span class="t-lines"><span>unitbuf</span><span>nounitbuf</span></span></a></div></div>
</td>
<td> controls whether output is flushed after each operation <br /> <span class="t-mark">(function)</span> <span class="editsection noprint plainlinks" title="Edit this template"><a rel="nofollow" class="external text" href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/io/manip/dsc_unitbuf&action=edit">[edit]</a></span>
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<td> <div class="t-dsc-member-div"><div><a href="../manip/skipws.html" title="cpp/io/manip/skipws"> <span class="t-lines"><span>skipws</span><span>noskipws</span></span></a></div></div>
</td>
<td> controls whether leading whitespace is skipped on input <br /> <span class="t-mark">(function)</span> <span class="editsection noprint plainlinks" title="Edit this template"><a rel="nofollow" class="external text" href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/io/manip/dsc_skipws&action=edit">[edit]</a></span>
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<td> <div class="t-dsc-member-div"><div><a href="../manip/uppercase.html" title="cpp/io/manip/uppercase"> <span class="t-lines"><span>uppercase</span><span>nouppercase</span></span></a></div></div>
</td>
<td> controls whether uppercase characters are used with some output formats <br /> <span class="t-mark">(function)</span> <span class="editsection noprint plainlinks" title="Edit this template"><a rel="nofollow" class="external text" href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/io/manip/dsc_uppercase&action=edit">[edit]</a></span>
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