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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::num_put::</span>put, <span style="font-size:0.7em; line-height:130%">std::num_put::</span>do_put</h1>
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<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../isspace.html" title="cpp/locale/isspace"><span class="t-lines"><span>isspace</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../isblank.html" title="cpp/locale/isblank"><span class="t-lines"><span>isblank</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="../iscntrl.html" title="cpp/locale/iscntrl"><span class="t-lines"><span>iscntrl</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../isupper.html" title="cpp/locale/isupper"><span class="t-lines"><span>isupper</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../islower.html" title="cpp/locale/islower"><span class="t-lines"><span>islower</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../isalpha.html" title="cpp/locale/isalpha"><span class="t-lines"><span>isalpha</span></span></a></div></div></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../isdigit.html" title="cpp/locale/isdigit"><span class="t-lines"><span>isdigit</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../ispunct.html" title="cpp/locale/ispunct"><span class="t-lines"><span>ispunct</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../isxdigit.html" title="cpp/locale/isxdigit"><span class="t-lines"><span>isxdigit</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../isalnum.html" title="cpp/locale/isalnum"><span class="t-lines"><span>isalnum</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../isprint.html" title="cpp/locale/isprint"><span class="t-lines"><span>isprint</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../isgraph.html" title="cpp/locale/isgraph"><span class="t-lines"><span>isgraph</span></span></a></div></div></td></tr>
</table></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> Conversions</td></tr>
<tr class="t-nv-col-table"><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../toupper.html" title="cpp/locale/toupper"><span class="t-lines"><span>toupper</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../tolower.html" title="cpp/locale/tolower"><span class="t-lines"><span>tolower</span></span></a></div></div></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../wstring_convert.html" title="cpp/locale/wstring convert"><span class="t-lines"><span>wstring_convert</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="../wbuffer_convert.html" title="cpp/locale/wbuffer convert"><span class="t-lines"><span>wbuffer_convert</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></td></tr>
<tr class="t-nv-h2"><td colspan="5"> Facet category base classes</td></tr>
<tr class="t-nv-col-table"><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../ctype_base.html" title="cpp/locale/ctype base"><span class="t-lines"><span>ctype_base</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../codecvt_base.html" title="cpp/locale/codecvt base"><span class="t-lines"><span>codecvt_base</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../messages_base.html" title="cpp/locale/messages base"><span class="t-lines"><span>messages_base</span></span></a></div></div></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../time_base.html" title="cpp/locale/time base"><span class="t-lines"><span>time_base</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../money_base.html" title="cpp/locale/money base"><span class="t-lines"><span>money_base</span></span></a></div></div></td></tr>
</table></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> Facet categories</td></tr>
<tr class="t-nv-col-table"><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../ctype.html" title="cpp/locale/ctype"><span class="t-lines"><span>ctype</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../ctype_char.html" title="cpp/locale/ctype char"><span class="t-lines"><span>ctype<char></span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../codecvt.html" title="cpp/locale/codecvt"><span class="t-lines"><span>codecvt</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../collate.html" title="cpp/locale/collate"><span class="t-lines"><span>collate</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../messages.html" title="cpp/locale/messages"><span class="t-lines"><span>messages</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../time_get.html" title="cpp/locale/time get"><span class="t-lines"><span>time_get</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../time_put.html" title="cpp/locale/time put"><span class="t-lines"><span>time_put</span></span></a></div></div></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../num_get.html" title="cpp/locale/num get"><span class="t-lines"><span>num_get</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../num_put.html" title="cpp/locale/num put"><span class="t-lines"><span>num_put</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../numpunct.html" title="cpp/locale/numpunct"><span class="t-lines"><span>numpunct</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../money_get.html" title="cpp/locale/money get"><span class="t-lines"><span>money_get</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../money_put.html" title="cpp/locale/money put"><span class="t-lines"><span>money_put</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../moneypunct.html" title="cpp/locale/moneypunct"><span class="t-lines"><span>moneypunct</span></span></a></div></div></td></tr>
</table></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> Locale-specific facets</td></tr>
<tr class="t-nv-col-table"><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../ctype_byname.html" title="cpp/locale/ctype byname"><span class="t-lines"><span>ctype_byname</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../codecvt_byname.html" title="cpp/locale/codecvt byname"><span class="t-lines"><span>codecvt_byname</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../messages_byname.html" title="cpp/locale/messages byname"><span class="t-lines"><span>messages_byname</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../collate_byname.html" title="cpp/locale/collate byname"><span class="t-lines"><span>collate_byname</span></span></a></div></div></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../time_get_byname.html" title="cpp/locale/time get byname"><span class="t-lines"><span>time_get_byname</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../time_put_byname.html" title="cpp/locale/time put byname"><span class="t-lines"><span>time_put_byname</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../numpunct_byname.html" title="cpp/locale/numpunct byname"><span class="t-lines"><span>numpunct_byname</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../moneypunct_byname.html" title="cpp/locale/moneypunct byname"><span class="t-lines"><span>moneypunct_byname</span></span></a></div></div></td></tr>
</table></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> Code conversion facets</td></tr>
<tr class="t-nv-col-table"><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../codecvt_utf8.html" title="cpp/locale/codecvt utf8"><span class="t-lines"><span>codecvt_utf8</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="../codecvt_utf16.html" title="cpp/locale/codecvt utf16"><span class="t-lines"><span>codecvt_utf16</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></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../codecvt_utf8_utf16.html" title="cpp/locale/codecvt utf8 utf16"><span class="t-lines"><span>codecvt_utf8_utf16</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="../codecvt_mode.html" title="cpp/locale/codecvt mode"><span class="t-lines"><span>codecvt_mode</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></td></tr>
<tr class="t-nv-h2"><td colspan="5"> C locale</td></tr>
<tr class="t-nv-col-table"><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../setlocale.html" title="cpp/locale/setlocale"><span class="t-lines"><span>setlocale</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../localeconv.html" title="cpp/locale/localeconv"><span class="t-lines"><span>localeconv</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../lconv.html" title="cpp/locale/lconv"><span class="t-lines"><span>lconv</span></span></a></div></div></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../LC_categories.html" title="cpp/locale/LC categories"><span class="t-lines"><span>LC_ALL</span><span>LC_COLLATE</span><span>LC_CTYPE</span><span>LC_MONETARY</span><span>LC_NUMERIC</span><span>LC_TIME</span></span></a></div></div></td></tr>
</table></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/locale/navbar_content&action=edit">[edit]</a></span></div></div></div></div><div class="t-navbar-sep"> </div><div class="t-navbar-head"><a href="../num_put.html" title="cpp/locale/num put"><tt>std::num_put</tt></a><div class="t-navbar-menu"><div><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv-h2"><td colspan="5"> Member functions</td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="num_put.html" title="cpp/locale/num put/num put"><span class="t-lines"><span>num_put::num_put</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="~num_put.html" title="cpp/locale/num put/~num put"><span class="t-lines"><span>num_put::~num_put</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>num_put::put</span><span>num_put::do_put</span></span></strong></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/locale/num_put/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-dsc-header">
<td> <div>Defined in header <code><a href="../../header/locale.html" title="cpp/header/locale"><locale></a></code>
</div></td>
<td></td>
<td></td>
</tr>
</tbody>
<tbody class="t-dcl-rev t-dcl-rev-num"><tr class="t-dcl-rev-aux">
<td></td>
<td rowspan="142">(1)</td>
<td></td>
</tr>
<tr class="t-dcl">
<td class="t-dcl-nopad"> <div><span class="mw-geshi cpp source-cpp"><span class="kw1">public</span><span class="sy4">:</span><br />
iter_type put<span class="br0">(</span> iter_type out, <a href="../../io/ios_base.html"><span class="kw1666">std::<span class="me2">ios_base</span></span></a><span class="sy3">&</span> str, char_type fill, <span class="kw4">bool</span> v <span class="br0">)</span> <span class="kw4">const</span><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">iter_type put<span class="br0">(</span> iter_type out, <a href="../../io/ios_base.html"><span class="kw1666">std::<span class="me2">ios_base</span></span></a><span class="sy3">&</span> str, char_type fill, <span class="kw4">long</span> v <span class="br0">)</span> <span class="kw4">const</span><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">iter_type put<span class="br0">(</span> iter_type out, <a href="../../io/ios_base.html"><span class="kw1666">std::<span class="me2">ios_base</span></span></a><span class="sy3">&</span> str, char_type fill, <span class="kw4">long</span> <span class="kw4">long</span> v <span class="br0">)</span> <span class="kw4">const</span><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">iter_type put<span class="br0">(</span> iter_type out, <a href="../../io/ios_base.html"><span class="kw1666">std::<span class="me2">ios_base</span></span></a><span class="sy3">&</span> str, char_type fill, <span class="kw4">unsigned</span> <span class="kw4">long</span> v <span class="br0">)</span> <span class="kw4">const</span><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">iter_type put<span class="br0">(</span> iter_type out, <a href="../../io/ios_base.html"><span class="kw1666">std::<span class="me2">ios_base</span></span></a><span class="sy3">&</span> str, char_type fill, <span class="kw4">unsigned</span> <span class="kw4">long</span> <span class="kw4">long</span> v <span class="br0">)</span> <span class="kw4">const</span><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">iter_type put<span class="br0">(</span> iter_type out, <a href="../../io/ios_base.html"><span class="kw1666">std::<span class="me2">ios_base</span></span></a><span class="sy3">&</span> str, char_type fill, <span class="kw4">double</span> v <span class="br0">)</span> <span class="kw4">const</span><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">iter_type put<span class="br0">(</span> iter_type out, <a href="../../io/ios_base.html"><span class="kw1666">std::<span class="me2">ios_base</span></span></a><span class="sy3">&</span> str, char_type fill, <span class="kw4">long</span> <span class="kw4">double</span> v <span class="br0">)</span> <span class="kw4">const</span><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">iter_type put<span class="br0">(</span> iter_type out, <a href="../../io/ios_base.html"><span class="kw1666">std::<span class="me2">ios_base</span></span></a><span class="sy3">&</span> str, char_type fill, <span class="kw4">const</span> <span class="kw4">void</span><span class="sy2">*</span> v <span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span></span></div></td>
<td class="t-dcl-nopad"> </td>
<td class="t-dcl-nopad"> </td>
</tr>
</tbody><tbody>
</tbody>
<tbody class="t-dcl-rev t-dcl-rev-num"><tr class="t-dcl-rev-aux">
<td></td>
<td rowspan="142">(2)</td>
<td></td>
</tr>
<tr class="t-dcl">
<td class="t-dcl-nopad"> <div><span class="mw-geshi cpp source-cpp"><span class="kw1">protected</span><span class="sy4">:</span><br />
<span class="kw1">virtual</span> iter_type do_put<span class="br0">(</span> iter_type out, <a href="../../io/ios_base.html"><span class="kw1666">std::<span class="me2">ios_base</span></span></a><span class="sy3">&</span> str, char_type fill, <span class="kw4">bool</span> v <span class="br0">)</span> <span class="kw4">const</span><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="kw1">virtual</span> iter_type do_put<span class="br0">(</span> iter_type out, <a href="../../io/ios_base.html"><span class="kw1666">std::<span class="me2">ios_base</span></span></a><span class="sy3">&</span> str, char_type fill, <span class="kw4">long</span> v <span class="br0">)</span> <span class="kw4">const</span><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="kw1">virtual</span> iter_type do_put<span class="br0">(</span> iter_type out, <a href="../../io/ios_base.html"><span class="kw1666">std::<span class="me2">ios_base</span></span></a><span class="sy3">&</span> str, char_type fill, <span class="kw4">long</span> <span class="kw4">long</span> v <span class="br0">)</span> <span class="kw4">const</span><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="kw1">virtual</span> iter_type do_put<span class="br0">(</span> iter_type out, <a href="../../io/ios_base.html"><span class="kw1666">std::<span class="me2">ios_base</span></span></a><span class="sy3">&</span> str, char_type fill, <span class="kw4">unsigned</span> <span class="kw4">long</span> <span class="br0">)</span> <span class="kw4">const</span><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="kw1">virtual</span> iter_type do_put<span class="br0">(</span> iter_type out, <a href="../../io/ios_base.html"><span class="kw1666">std::<span class="me2">ios_base</span></span></a><span class="sy3">&</span> str, char_type fill, <span class="kw4">unsigned</span> <span class="kw4">long</span> <span class="kw4">long</span> <span class="br0">)</span> <span class="kw4">const</span><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="kw1">virtual</span> iter_type do_put<span class="br0">(</span> iter_type out, <a href="../../io/ios_base.html"><span class="kw1666">std::<span class="me2">ios_base</span></span></a><span class="sy3">&</span> str, char_type fill, <span class="kw4">double</span> v <span class="br0">)</span> <span class="kw4">const</span><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="kw1">virtual</span> iter_type do_put<span class="br0">(</span> iter_type out, <a href="../../io/ios_base.html"><span class="kw1666">std::<span class="me2">ios_base</span></span></a><span class="sy3">&</span> str, char_type fill, <span class="kw4">long</span> <span class="kw4">double</span> v <span class="br0">)</span> <span class="kw4">const</span><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="kw1">virtual</span> iter_type do_put<span class="br0">(</span> iter_type out, <a href="../../io/ios_base.html"><span class="kw1666">std::<span class="me2">ios_base</span></span></a><span class="sy3">&</span> str, char_type fill, <span class="kw4">const</span> <span class="kw4">void</span><span class="sy2">*</span> v <span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span></span></div></td>
<td class="t-dcl-nopad"> </td>
<td class="t-dcl-nopad"> </td>
</tr>
</tbody><tbody>
<tr class="t-dcl-sep"><td></td><td></td><td></td></tr>
</tbody></table>
<div class="t-li1"><span class="t-li">1)</span> Public member function, calls the protected virtual member function <code>do_put</code> of the most derived class.</div>
<div class="t-li1"><span class="t-li">2)</span> Writes characters to the output sequence <code>out</code> which represent the value of <code>v</code>, formatted as requested by the formatting flags <span class="t-c"><span class="mw-geshi cpp source-cpp">str.<span class="me1">flags</span><span class="br0">(</span><span class="br0">)</span></span></span> and the <span class="t-lc"><a href="../numpunct.html" title="cpp/locale/numpunct">std::numpunct</a></span> and <span class="t-lc"><a href="../ctype.html" title="cpp/locale/ctype">std::ctype</a></span> facets of the locale imbued in the stream <code>str</code>. This function is called by all formatted output stream operators, such as <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="../../io/cout.html"><span class="kw1755">std::<span class="me2">cout</span></span></a> <span class="sy1"><<</span> n<span class="sy4">;</span></span></span>.</div>
<p>Conversion occurs in four stages
</p>
<table id="toc" class="toc"><tr><td><div id="toctitle"><h2>Contents</h2></div>
<ul>
<li class="toclevel-1 tocsection-1"><a href="put.html#Stage_1:_conversion_specifier_selection"><span class="tocnumber">1</span> <span class="toctext">Stage 1: conversion specifier selection</span></a></li>
<li class="toclevel-1 tocsection-2"><a href="put.html#Stage_2:_locale-specific_conversion"><span class="tocnumber">2</span> <span class="toctext">Stage 2: locale-specific conversion</span></a></li>
<li class="toclevel-1 tocsection-3"><a href="put.html#Stage_3:_padding"><span class="tocnumber">3</span> <span class="toctext">Stage 3: padding</span></a></li>
<li class="toclevel-1 tocsection-4"><a href="put.html#Stage_4:_output"><span class="tocnumber">4</span> <span class="toctext">Stage 4: output</span></a></li>
<li class="toclevel-1 tocsection-5"><a href="put.html#Parameters"><span class="tocnumber">5</span> <span class="toctext">Parameters</span></a></li>
<li class="toclevel-1 tocsection-6"><a href="put.html#Return_value"><span class="tocnumber">6</span> <span class="toctext">Return value</span></a></li>
<li class="toclevel-1 tocsection-7"><a href="put.html#Notes"><span class="tocnumber">7</span> <span class="toctext">Notes</span></a></li>
<li class="toclevel-1 tocsection-8"><a href="put.html#Example"><span class="tocnumber">8</span> <span class="toctext">Example</span></a></li>
<li class="toclevel-1 tocsection-9"><a href="put.html#See_also"><span class="tocnumber">9</span> <span class="toctext">See also</span></a></li>
</ul>
</td></tr></table>
<h4><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=cpp/locale/num_put/put&action=edit&section=1" title="Edit section: Stage 1: conversion specifier selection">edit</a>]</span> <span class="mw-headline" id="Stage_1:_conversion_specifier_selection">Stage 1: conversion specifier selection</span></h4>
<ul><li> I/O format flags are obtained, as if by
</li></ul>
<dl><dd> <span class="t-c"><span class="mw-geshi cpp source-cpp">fmtflags basefield <span class="sy1">=</span> <span class="br0">(</span>str.<span class="me1">flags</span><span class="br0">(</span><span class="br0">)</span> <span class="sy3">&</span> <a href="../../io/ios_base/fmtflags.html"><span class="kw1679">std::<span class="me2">ios_base</span><span class="sy4">::</span><span class="me2">basefield</span></span></a><span class="br0">)</span><span class="sy4">;</span></span></span>
</dd><dd> <span class="t-c"><span class="mw-geshi cpp source-cpp">fmtflags uppercase <span class="sy1">=</span> <span class="br0">(</span>str.<span class="me1">flags</span><span class="br0">(</span><span class="br0">)</span> <span class="sy3">&</span> <a href="../../io/ios_base/fmtflags.html"><span class="kw1693">std::<span class="me2">ios_base</span><span class="sy4">::</span><span class="me2">uppercase</span></span></a><span class="br0">)</span><span class="sy4">;</span></span></span>
</dd><dd> <span class="t-c"><span class="mw-geshi cpp source-cpp">fmtflags floatfield <span class="sy1">=</span> <span class="br0">(</span>str.<span class="me1">flags</span><span class="br0">(</span><span class="br0">)</span> <span class="sy3">&</span> <a href="../../io/ios_base/fmtflags.html"><span class="kw1686">std::<span class="me2">ios_base</span><span class="sy4">::</span><span class="me2">floatfield</span></span></a><span class="br0">)</span><span class="sy4">;</span></span></span>
</dd><dd> <span class="t-c"><span class="mw-geshi cpp source-cpp">fmtflags showpos <span class="sy1">=</span> <span class="br0">(</span>str.<span class="me1">flags</span><span class="br0">(</span><span class="br0">)</span> <span class="sy3">&</span> <a href="../../io/ios_base/fmtflags.html"><span class="kw1690">std::<span class="me2">ios_base</span><span class="sy4">::</span><span class="me2">showpos</span></span></a><span class="br0">)</span><span class="sy4">;</span></span></span>
</dd><dd> <span class="t-c"><span class="mw-geshi cpp source-cpp">fmtflags showbase <span class="sy1">=</span> <span class="br0">(</span>str.<span class="me1">flags</span><span class="br0">(</span><span class="br0">)</span> <span class="sy3">&</span> <a href="../../io/ios_base/fmtflags.html"><span class="kw1688">std::<span class="me2">ios_base</span><span class="sy4">::</span><span class="me2">showbase</span></span></a><span class="br0">)</span><span class="sy4">;</span></span></span>
</dd><dd> <span class="t-c"><span class="mw-geshi cpp source-cpp">fmtflags showpoint <span class="sy1">=</span> <span class="br0">(</span>str.<span class="me1">flags</span><span class="br0">(</span><span class="br0">)</span> <span class="sy3">&</span> <a href="../../io/ios_base/fmtflags.html"><span class="kw1689">std::<span class="me2">ios_base</span><span class="sy4">::</span><span class="me2">showpoint</span></span></a><span class="br0">)</span><span class="sy4">;</span></span></span>
</dd></dl>
<ul><li> If the type of <code>v</code> is <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw4">bool</span></span></span>
<ul><li> If <span class="t-c"><span class="mw-geshi cpp source-cpp">boolalpha <span class="sy1">==</span> <span class="nu0">0</span></span></span>, then converts <code>v</code> to type <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw4">int</span></span></span> and performs integer output.
</li><li> If <span class="t-c"><span class="mw-geshi cpp source-cpp">boolalpha <span class="sy3">!</span><span class="sy1">=</span> <span class="nu0">0</span></span></span> obtains <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="../use_facet.html"><span class="kw1894">std::<span class="me2">use_facet</span></span></a><span class="sy1"><</span><a href="../numpunct.html"><span class="kw1958">std::<span class="me2">numpunct</span></span></a><span class="sy1"><</span>charT<span class="sy1">>></span><span class="br0">(</span>str.<span class="me1">getloc</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span>.<span class="me1">truename</span><span class="br0">(</span><span class="br0">)</span></span></span> if <span class="t-c"><span class="mw-geshi cpp source-cpp">v <span class="sy1">==</span> <span class="kw2">true</span></span></span> or <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="../use_facet.html"><span class="kw1894">std::<span class="me2">use_facet</span></span></a><span class="sy1"><</span><a href="../numpunct.html"><span class="kw1958">std::<span class="me2">numpunct</span></span></a><span class="sy1"><</span>charT<span class="sy1">>></span><span class="br0">(</span>str.<span class="me1">getloc</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span>.<span class="me1">falsename</span><span class="br0">(</span><span class="br0">)</span></span></span> if <span class="t-c"><span class="mw-geshi cpp source-cpp">v <span class="sy1">==</span> <span class="kw2">false</span></span></span>, and outputs each successive character <code>c</code> of that string to <code>out</code> with <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="sy2">*</span>out<span class="sy2">++</span> <span class="sy1">=</span> c</span></span>. No further processing is done in this case, the function returns <code>out</code>.
</li></ul>
</li><li> If the type of <code>v</code> is an integer type, the the first applicable choice of the following is selected:
</li></ul>
<dl><dd> If <span class="t-c"><span class="mw-geshi cpp source-cpp">basefield <span class="sy1">==</span> oct</span></span>, will use conversion specifier <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="sy2">%</span>o</span></span>
</dd><dd> If <span class="t-c"><span class="mw-geshi cpp source-cpp">basefield <span class="sy1">==</span> hex <span class="sy3">&&</span> <span class="sy3">!</span>uppercase</span></span>, will use conversion specifier <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="sy2">%</span>x</span></span>
</dd><dd> If <span class="t-c"><span class="mw-geshi cpp source-cpp">basefield <span class="sy1">==</span> hex</span></span>, will use conversion specifier <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="sy2">%</span>X</span></span>
</dd><dd> If the type of <code>v</code> is signed, will use conversion specifier <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="sy2">%</span>d</span></span>
</dd><dd> If the type of <code>v</code> is unsigned, will use conversion specifier <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="sy2">%</span>u</span></span>
</dd></dl>
<ul><li> For integer types, length modifier is added to the conversion specification if necessary: <span class="t-c"><span class="mw-geshi cpp source-cpp">l</span></span> for <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw4">long</span></span></span> and <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw4">unsigned</span> <span class="kw4">long</span></span></span>, <span class="t-c"><span class="mw-geshi cpp source-cpp">ll</span></span> for <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw4">long</span> <span class="kw4">long</span></span></span> and <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw4">unsigned</span> <span class="kw4">long</span> <span class="kw4">long</span></span></span>.
</li><li> If the type of <code>v</code> is a floating-point type, the the first applicable choice of the following is selected:
</li></ul>
<dl><dd> If <span class="t-c"><span class="mw-geshi cpp source-cpp">floatfield <span class="sy1">==</span> <a href="../../io/ios_base/fmtflags.html"><span class="kw1685">std::<span class="me2">ios_base</span><span class="sy4">::</span><span class="me2">fixed</span></span></a></span></span>, will use conversion specifier <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="sy2">%</span>f</span></span>
</dd><dd> If <span class="t-c"><span class="mw-geshi cpp source-cpp">floatfield <span class="sy1">==</span> <a href="../../io/ios_base/fmtflags.html"><span class="kw1684">std::<span class="me2">ios_base</span><span class="sy4">::</span><span class="me2">scientific</span></span></a> <span class="sy3">&&</span> <span class="sy3">!</span>uppercase</span></span>, will use conversion specifier <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="sy2">%</span>e</span></span>
</dd><dd> If <span class="t-c"><span class="mw-geshi cpp source-cpp">floatfield <span class="sy1">==</span> <a href="../../io/ios_base/fmtflags.html"><span class="kw1684">std::<span class="me2">ios_base</span><span class="sy4">::</span><span class="me2">scientific</span></span></a></span></span>, will use conversion specifier <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="sy2">%</span>E</span></span>
</dd></dl>
<table class="t-rev-begin">
<tr class="t-rev t-since-cxx11"><td>
<dl><dd> If <span class="t-c"><span class="mw-geshi cpp source-cpp">floatfield <span class="sy1">==</span> <span class="br0">(</span><a href="../../io/ios_base/fmtflags.html"><span class="kw1685">std::<span class="me2">ios_base</span><span class="sy4">::</span><span class="me2">fixed</span></span></a> <span class="sy3">|</span> <a href="../../io/ios_base/fmtflags.html"><span class="kw1684">std::<span class="me2">ios_base</span><span class="sy4">::</span><span class="me2">scientific</span></span></a><span class="br0">)</span> <span class="sy3">&&</span> <span class="sy3">!</span>uppercase</span></span>, will use conversion specifier <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="sy2">%</span>a</span></span>
</dd><dd> If <span class="t-c"><span class="mw-geshi cpp source-cpp">floatfield <span class="sy1">==</span> <span class="br0">(</span><a href="../../io/ios_base/fmtflags.html"><span class="kw1685">std::<span class="me2">ios_base</span><span class="sy4">::</span><span class="me2">fixed</span></span></a> <span class="sy3">|</span> <a href="../../io/ios_base/fmtflags.html"><span class="kw1684">std::<span class="me2">ios_base</span><span class="sy4">::</span><span class="me2">scientific</span></span></a><span class="br0">)</span></span></span>, will use conversion specifier <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="sy2">%</span>A</span></span>
</dd></dl>
</td>
<td><span class="t-mark-rev t-since-cxx11">(since C++11)</span></td></tr>
</table>
<dl><dd> If <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="sy3">!</span>uppercase</span></span>, will use conversion specifier <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="sy2">%</span>g</span></span>
</dd><dd> otherwise, will use conversion specifier <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="sy2">%</span>G</span></span>
<ul><li> If the type of <code>v</code> is <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw4">long</span> <span class="kw4">double</span></span></span>, the length modifier <span class="t-c"><span class="mw-geshi cpp source-cpp">L</span></span> is added to the conversion specifier.
</li><li> Additionally, <span class="t-rev-inl t-since-cxx11"><span>if <span class="t-c"><span class="mw-geshi cpp source-cpp">floatfield <span class="sy3">!</span><span class="sy1">=</span> <span class="br0">(</span>ios_base<span class="sy4">::</span><span class="me2">fixed</span> <span class="sy3">|</span> ios_base<span class="sy4">::</span><span class="me2">scientific</span><span class="br0">)</span></span></span>, then</span> <span><span class="t-mark-rev t-since-cxx11">(since C++11)</span></span></span> precision modifier is added, set to <span class="t-c"><span class="mw-geshi cpp source-cpp">str.<span class="me1">precision</span><span class="br0">(</span><span class="br0">)</span></span></span>
</li></ul>
</dd></dl>
<ul><li> For both integer and floating-point types, if <span class="t-c"><span class="mw-geshi cpp source-cpp">showpos</span></span> is set, the modifier <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="sy2">+</span></span></span> is prepended
</li><li> For integer types, if <span class="t-c"><span class="mw-geshi cpp source-cpp">showbase</span></span> is set, the modifier <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="co2">#</span></span></span> is prepended.
</li><li> For floating-point types, if <span class="t-c"><span class="mw-geshi cpp source-cpp">showpoint</span></span> is set, the modifier <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="co2">#</span></span></span> is prepended.
</li><li> If the type of <code>v</code> is <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw4">void</span><span class="sy2">*</span></span></span>, will use conversion specifier <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="sy2">%</span>p</span></span>
</li><li> A narrow character string is created as if by a call to <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="../../io/c/printf.html"><span class="kw1842">std::<span class="me2">printf</span></span></a><span class="br0">(</span>spec, v<span class="br0">)</span></span></span> in the "C" locale, where <code>spec</code> is the chosen conversion specifier.
</li></ul>
<h4><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=cpp/locale/num_put/put&action=edit&section=2" title="Edit section: Stage 2: locale-specific conversion">edit</a>]</span> <span class="mw-headline" id="Stage_2:_locale-specific_conversion">Stage 2: locale-specific conversion</span></h4>
<ul><li> Every character <code>c</code> obtained in Stage 1, other than the decimal point <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="st0">'.'</span></span></span>, is converted to <code>CharT</code> by calling <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="../use_facet.html"><span class="kw1894">std::<span class="me2">use_facet</span></span></a><span class="sy1"><</span><a href="../ctype.html"><span class="kw1935">std::<span class="me2">ctype</span></span></a><span class="sy1"><</span>CharT<span class="sy1">>></span><span class="br0">(</span>str.<span class="me1">getloc</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span>.<span class="me1">widen</span><span class="br0">(</span>c<span class="br0">)</span></span></span>.
</li><li> For arithmetic types, the thousands separator character, obtained from <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="../use_facet.html"><span class="kw1894">std::<span class="me2">use_facet</span></span></a><span class="sy1"><</span><a href="../numpunct.html"><span class="kw1958">std::<span class="me2">numpunct</span></span></a><span class="sy1"><</span>CharT<span class="sy1">>></span><span class="br0">(</span>str.<span class="me1">getloc</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span>.<span class="me1">thousands_sep</span><span class="br0">(</span><span class="br0">)</span></span></span>, is inserted into the sequence according to the grouping rules provided by <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="../use_facet.html"><span class="kw1894">std::<span class="me2">use_facet</span></span></a><span class="sy1"><</span><a href="../numpunct.html"><span class="kw1958">std::<span class="me2">numpunct</span></span></a><span class="sy1"><</span>CharT<span class="sy1">>></span><span class="br0">(</span>str.<span class="me1">getloc</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span>.<span class="me1">grouping</span><span class="br0">(</span><span class="br0">)</span></span></span>
</li><li> Decimal point characters (<span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="st0">'.'</span></span></span>) are replaced by <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="../use_facet.html"><span class="kw1894">std::<span class="me2">use_facet</span></span></a><span class="sy1"><</span><a href="../numpunct.html"><span class="kw1958">std::<span class="me2">numpunct</span></span></a><span class="sy1"><</span>CharT<span class="sy1">>></span><span class="br0">(</span>str.<span class="me1">getloc</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span>.<span class="me1">decimal_point</span><span class="br0">(</span><span class="br0">)</span></span></span>
</li></ul>
<h4><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=cpp/locale/num_put/put&action=edit&section=3" title="Edit section: Stage 3: padding">edit</a>]</span> <span class="mw-headline" id="Stage_3:_padding">Stage 3: padding</span></h4>
<ul><li> The adjustment flag is obtained as if by <span class="t-c"><span class="mw-geshi cpp source-cpp">std<span class="sy4">::</span><span class="me2">fmtflags</span> adjustfield <span class="sy1">=</span> <span class="br0">(</span>flags <span class="sy3">&</span> <span class="br0">(</span><a href="../../io/ios_base/fmtflags.html"><span class="kw1683">std::<span class="me2">ios_base</span><span class="sy4">::</span><span class="me2">adjustfield</span></span></a><span class="br0">)</span><span class="br0">)</span></span></span> and examined to identify padding location, as follows
</li></ul>
<dl><dd> If <span class="t-c"><span class="mw-geshi cpp source-cpp">adjustfield <span class="sy1">==</span> <a href="../../io/ios_base/fmtflags.html"><span class="kw1680">std::<span class="me2">ios_base</span><span class="sy4">::</span><span class="me2">left</span></span></a></span></span>, will pad after
</dd><dd> If <span class="t-c"><span class="mw-geshi cpp source-cpp">adjustfield <span class="sy1">==</span> <a href="../../io/ios_base/fmtflags.html"><span class="kw1681">std::<span class="me2">ios_base</span><span class="sy4">::</span><span class="me2">right</span></span></a></span></span>, will pad before
</dd><dd> If <span class="t-c"><span class="mw-geshi cpp source-cpp">adjustfield <span class="sy1">==</span> <a href="../../io/ios_base/fmtflags.html"><span class="kw1682">std::<span class="me2">ios_base</span><span class="sy4">::</span><span class="me2">internal</span></span></a></span></span> and a sign character occurs in the representation, will pad after the sign
</dd><dd> If <span class="t-c"><span class="mw-geshi cpp source-cpp">adjustfield <span class="sy1">==</span> <a href="../../io/ios_base/fmtflags.html"><span class="kw1682">std::<span class="me2">ios_base</span><span class="sy4">::</span><span class="me2">internal</span></span></a></span></span> and Stage 1 representation began with 0x or 0X, will pad after the x or X
</dd><dd> otherwise, will pad before
</dd></dl>
<ul><li> If <span class="t-c"><span class="mw-geshi cpp source-cpp">str.<span class="me1">width</span><span class="br0">(</span><span class="br0">)</span></span></span> is non-zero (e.g. <span class="t-lc"><a href="../../io/manip/setw.html" title="cpp/io/manip/setw">std::setw</a></span> was just used) and the number of CharT's after Stage 2 is less than <span class="t-c"><span class="mw-geshi cpp source-cpp">str.<span class="me1">width</span><span class="br0">(</span><span class="br0">)</span></span></span>, then copies of the <span class="t-c"><span class="mw-geshi cpp source-cpp">fill</span></span> character are inserted at the position indicated by padding to bring the length of the sequence to <span class="t-c"><span class="mw-geshi cpp source-cpp">str.<span class="me1">width</span><span class="br0">(</span><span class="br0">)</span></span></span>.
</li></ul>
<p>In any case, <span class="t-c"><span class="mw-geshi cpp source-cpp">str.<span class="me1">width</span><span class="br0">(</span><span class="nu0">0</span><span class="br0">)</span></span></span> is called to cancel the effects of <span class="t-lc"><a href="../../io/manip/setw.html" title="cpp/io/manip/setw">std::setw</a></span>.
</p>
<h4><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=cpp/locale/num_put/put&action=edit&section=4" title="Edit section: Stage 4: output">edit</a>]</span> <span class="mw-headline" id="Stage_4:_output">Stage 4: output</span></h4>
<p>Every successive character <code>c</code> from the sequence of CharT's from Stage 3 is output as if by <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="sy2">*</span>out<span class="sy2">++</span> <span class="sy1">=</span> c</span></span>.
</p>
<h3><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=cpp/locale/num_put/put&action=edit&section=5" title="Edit section: Parameters">edit</a>]</span> <span class="mw-headline" id="Parameters">Parameters</span></h3>
<table class="t-par-begin">
<tr class="t-par">
<td> out
</td>
<td> -
</td>
<td> iterator pointing to the first character to be overwritten
</td></tr>
<tr class="t-par">
<td> str
</td>
<td> -
</td>
<td> stream to retrieve the formatting information from
</td></tr>
<tr class="t-par">
<td> fill
</td>
<td> -
</td>
<td> padding character used when the results needs to be padded to the field width
</td></tr>
<tr class="t-par">
<td> v
</td>
<td> -
</td>
<td> value to convert to string and output
</td></tr></table>
<h3><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=cpp/locale/num_put/put&action=edit&section=6" title="Edit section: Return value">edit</a>]</span> <span class="mw-headline" id="Return_value">Return value</span></h3>
<p><code>out</code>
</p>
<h3><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=cpp/locale/num_put/put&action=edit&section=7" title="Edit section: Notes">edit</a>]</span> <span class="mw-headline" id="Notes">Notes</span></h3>
<p>The leading zero generated by the conversion specification <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="co2">#o</span></span></span> (resulting from the combination of <span class="t-lc"><a href="../../io/manip/showbase.html" title="cpp/io/manip/showbase">std::showbase</a></span> and <span class="t-lc"><a href="../../io/manip/hex.html" title="cpp/io/manip/hex">std::oct</a></span> for example) is not counted as a padding character.
</p>
<table class="t-rev-begin">
<tr class="t-rev t-since-cxx11"><td>When formatting a floating point value as hexfloat (i.e., when <span class="t-c"><span class="mw-geshi cpp source-cpp">floatfield <span class="sy1">==</span> <span class="br0">(</span><a href="../../io/ios_base/fmtflags.html"><span class="kw1685">std::<span class="me2">ios_base</span><span class="sy4">::</span><span class="me2">fixed</span></span></a> <span class="sy3">|</span> <a href="../../io/ios_base/fmtflags.html"><span class="kw1684">std::<span class="me2">ios_base</span><span class="sy4">::</span><span class="me2">scientific</span></span></a><span class="br0">)</span></span></span>), the stream's precision is not used; instead, the number is always printed with enough precision to exactly represent the value.</td>
<td><span class="t-mark-rev t-since-cxx11">(since C++11)</span></td></tr>
</table>
<h3><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=cpp/locale/num_put/put&action=edit&section=8" title="Edit section: Example">edit</a>]</span> <span class="mw-headline" id="Example">Example</span></h3>
<div class="t-example"><p> Output a number using the facet directly, and demonstrate user-defined facet
</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="co2">#include <locale></span>
 
<span class="co1">// this custom num_put outputs squares of all integers (except long long)</span>
<span class="kw1">struct</span> squaring_num_put <span class="sy4">:</span> <a href="../num_put.html"><span class="kw1955">std::<span class="me2">num_put</span></span></a><span class="sy1"><</span><span class="kw4">char</span><span class="sy1">></span> <span class="br0">{</span>
iter_type do_put<span class="br0">(</span>iter_type s, <a href="../../io/ios_base.html"><span class="kw1666">std::<span class="me2">ios_base</span></span></a><span class="sy3">&</span> f,
char_type fill, <span class="kw4">long</span> v<span class="br0">)</span> <span class="kw4">const</span>
<span class="br0">{</span>
<span class="kw1">return</span> <a href="../num_put.html"><span class="kw1955">std::<span class="me2">num_put</span></span></a><span class="sy1"><</span><span class="kw4">char</span><span class="sy1">></span><span class="sy4">::</span><span class="me2">do_put</span><span class="br0">(</span>s, f, fill, v<span class="sy2">*</span>v <span class="br0">)</span><span class="sy4">;</span>
<span class="br0">}</span>
 
iter_type do_put<span class="br0">(</span>iter_type s, <a href="../../io/ios_base.html"><span class="kw1666">std::<span class="me2">ios_base</span></span></a><span class="sy3">&</span> f,
char_type fill, <span class="kw4">unsigned</span> <span class="kw4">long</span> v<span class="br0">)</span> <span class="kw4">const</span>
<span class="br0">{</span>
<span class="kw1">return</span> <a href="../num_put.html"><span class="kw1955">std::<span class="me2">num_put</span></span></a><span class="sy1"><</span><span class="kw4">char</span><span class="sy1">></span><span class="sy4">::</span><span class="me2">do_put</span><span class="br0">(</span>s, f, fill, v<span class="sy2">*</span>v<span class="br0">)</span><span class="sy4">;</span>
<span class="br0">}</span>
<span class="br0">}</span><span class="sy4">;</span>
 
<span class="kw4">int</span> main<span class="br0">(</span><span class="br0">)</span>
<span class="br0">{</span>
<span class="kw4">auto</span><span class="sy3">&</span> facet <span class="sy1">=</span> <a href="../use_facet.html"><span class="kw1894">std::<span class="me2">use_facet</span></span></a><span class="sy1"><</span><a href="../num_put.html"><span class="kw1955">std::<span class="me2">num_put</span></span></a><span class="sy1"><</span><span class="kw4">char</span><span class="sy1">>></span><span class="br0">(</span><a href="../locale.html"><span class="kw1891">std::<span class="me2">locale</span></span></a><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span><span class="sy4">;</span>
facet.<span class="me1">put</span><span class="br0">(</span><a href="../../io/cout.html"><span class="kw1755">std::<span class="me2">cout</span></span></a>, <a href="../../io/cout.html"><span class="kw1755">std::<span class="me2">cout</span></span></a>, <span class="st0">'0'</span>, <span class="nu16">2.71</span><span class="br0">)</span><span class="sy4">;</span>
<a href="../../io/cout.html"><span class="kw1755">std::<span class="me2">cout</span></span></a> <span class="sy1"><<</span> <span class="st0">'<span class="es1">\n</span>'</span><span class="sy4">;</span>
 
<a href="../../io/cout.html"><span class="kw1755">std::<span class="me2">cout</span></span></a>.<span class="me1">imbue</span><span class="br0">(</span><a href="../locale.html"><span class="kw1891">std::<span class="me2">locale</span></span></a><span class="br0">(</span><a href="../../io/cout.html"><span class="kw1755">std::<span class="me2">cout</span></span></a>.<span class="me1">getloc</span><span class="br0">(</span><span class="br0">)</span>, new squaring_num_put<span class="br0">)</span><span class="br0">)</span><span class="sy4">;</span>
<a href="../../io/cout.html"><span class="kw1755">std::<span class="me2">cout</span></span></a> <span class="sy1"><<</span> <span class="nu0">6</span> <span class="sy1"><<</span> <span class="st0">' '</span> <span class="sy1"><<</span> <span class="sy2">-</span><span class="nu0">12</span> <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">2.71
36 144</pre></div></div>
</div>
<div class="t-example"><p>
<p>An implementation of <span class="t-lc">operator<<</span> for a user-defined type.
</p>
</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="co2">#include <iterator></span>
<span class="co2">#include <locale></span>
 
<span class="kw1">struct</span> base <span class="br0">{</span> <span class="kw4">long</span> x <span class="sy1">=</span> <span class="nu0">10</span><span class="sy4">;</span> <span class="br0">}</span><span class="sy4">;</span>
 
<span class="kw1">template</span> <span class="sy1"><</span><span class="kw1">class</span> CharT, <span class="kw1">class</span> Traits<span class="sy1">></span>
<a href="../../io/basic_ostream.html"><span class="kw1712">std::<span class="me2">basic_ostream</span></span></a><span class="sy1"><</span>CharT, Traits<span class="sy1">></span><span class="sy3">&</span>
operator<span class="sy1"><<</span> <span class="br0">(</span><a href="../../io/basic_ostream.html"><span class="kw1712">std::<span class="me2">basic_ostream</span></span></a><span class="sy1"><</span>CharT, Traits<span class="sy1">></span><span class="sy3">&</span> os, base <span class="kw4">const</span><span class="sy3">&</span> b<span class="br0">)</span>
<span class="br0">{</span>
<span class="kw1">try</span> <span class="br0">{</span>
<span class="kw1">typename</span> <a href="../../io/basic_ostream.html"><span class="kw1712">std::<span class="me2">basic_ostream</span></span></a><span class="sy1"><</span>CharT, Traits<span class="sy1">></span><span class="sy4">::</span><span class="me2">sentry</span> s<span class="br0">(</span>os<span class="br0">)</span><span class="sy4">;</span>
<span class="kw1">if</span> <span class="br0">(</span>s<span class="br0">)</span>
<span class="br0">{</span>
<a href="../../iterator/ostreambuf_iterator.html"><span class="kw671">std::<span class="me2">ostreambuf_iterator</span></span></a><span class="sy1"><</span>CharT, Traits<span class="sy1">></span> it<span class="br0">(</span>os<span class="br0">)</span><span class="sy4">;</span>
<a href="../use_facet.html"><span class="kw1894">std::<span class="me2">use_facet</span></span></a><span class="sy1"><</span><a href="../num_put.html"><span class="kw1955">std::<span class="me2">num_put</span></span></a><span class="sy1"><</span>CharT<span class="sy1">>></span><span class="br0">(</span>os.<span class="me1">getloc</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span>
.<span class="me1">put</span><span class="br0">(</span>it, os, os.<span class="me1">fill</span><span class="br0">(</span><span class="br0">)</span>, b.<span class="me1">x</span><span class="br0">)</span><span class="sy4">;</span>
<span class="br0">}</span>
<span class="br0">}</span> <span class="kw1">catch</span> <span class="br0">(</span>...<span class="br0">)</span> <span class="br0">{</span>
<span class="co1">// set badbit on os and rethrow if required</span>
<span class="br0">}</span>
<span class="kw1">return</span> os<span class="sy4">;</span>
<span class="br0">}</span>
 
<span class="kw4">int</span> main<span class="br0">(</span><span class="br0">)</span>
<span class="br0">{</span>
base b<span class="sy4">;</span>
 
<a href="../../io/cout.html"><span class="kw1755">std::<span class="me2">cout</span></span></a> <span class="sy1"><<</span> b<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">10</pre></div></div>
</div>
<h3><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=cpp/locale/num_put/put&action=edit&section=9" 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="../../io/basic_ostream/operator_ltlt.html" title="cpp/io/basic ostream/operator ltlt"> <span class="t-lines"><span>operator<<</span></span></a></div></div>
</td>
<td> inserts formatted data <br /> <span class="t-mark">(public member function of <code>std::basic_ostream</code>)</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/basic_ostream/dsc_operator_ltlt&action=edit">[edit]</a></span>
</td></tr>
</table>
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