boost_array/array5.cpp.html

<HTML>
<HEAD>
<TITLE>array5.cpp</TITLE>
</HEAD>

<BODY TEXT="#000000" BGCOLOR="#FFFFFF">
&nbsp;
<TABLE HEIGHT=40 WIDTH="100%">
<TR> <TD ALIGN=LEFT WIDTH="100%" BGCOLOR="#DDDDDD">
<FONT face="Arial,Helvetica" size=+2><B>
&nbsp;array5.cpp
</B></FONT>
</TD></TR></TABLE><BR>

<BR><BR>
<TT>
<SPAN class="Source">
<Font color="0000FF" >/</FONT><I><FONT face="Arial,Helvetica,sans-serif" color="0000FF" >*&nbsp;simple&nbsp;example&nbsp;for&nbsp;using&nbsp;class&nbsp;array&lt;&gt;</FONT></I><BR>
&nbsp;<I><FONT face="Arial,Helvetica,sans-serif" color="0000FF" >*/</FONT></I><BR>
#include&nbsp;&lt;iostream&gt;<BR>
#include&nbsp;&lt;<A href="./array.hpp.html">boost/array.hpp</A>&gt;<BR>
<BR>
template&nbsp;&lt;typename&nbsp;T&gt;<BR>
void&nbsp;test_static_size&nbsp;(const&nbsp;T&&nbsp;cont)<BR>
{<BR>
&nbsp;&nbsp;&nbsp;&nbsp;int&nbsp;tmp[T::static_size];<BR>
&nbsp;&nbsp;&nbsp;&nbsp;for&nbsp;(unsigned&nbsp;i=0;&nbsp;i&lt;T::static_size;&nbsp;++i)&nbsp;{<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;tmp[i]&nbsp;=&nbsp;int(cont[i]);<BR>
&nbsp;&nbsp;&nbsp;&nbsp;}<BR>
&nbsp;&nbsp;&nbsp;&nbsp;for&nbsp;(unsigned&nbsp;i=0;&nbsp;i&lt;T::static_size;&nbsp;++i)&nbsp;{<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;std::cout&nbsp;&lt;&lt;&nbsp;tmp[i]&nbsp;&lt;&lt;&nbsp;'&nbsp;';<BR>
&nbsp;&nbsp;&nbsp;&nbsp;}<BR>
&nbsp;&nbsp;&nbsp;&nbsp;std::cout&nbsp;&lt;&lt;&nbsp;std::endl;<BR>
}<BR>
<BR>
int&nbsp;main()<BR>
{<BR>
&nbsp;&nbsp;&nbsp;&nbsp;<I><FONT face="Arial,Helvetica,sans-serif" color="0000FF" >//&nbsp;define&nbsp;special&nbsp;type&nbsp;name</FONT></I><BR>
&nbsp;&nbsp;&nbsp;&nbsp;typedef&nbsp;boost::array&lt;float,6&gt;&nbsp;Array;<BR>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;<I><FONT face="Arial,Helvetica,sans-serif" color="0000FF" >//&nbsp;create&nbsp;and&nbsp;initialize&nbsp;an&nbsp;array</FONT></I><BR>
&nbsp;&nbsp;&nbsp;&nbsp;const&nbsp;Array&nbsp;a&nbsp;=&nbsp;{&nbsp;{&nbsp;42.42&nbsp;}&nbsp;};<BR>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;<I><FONT face="Arial,Helvetica,sans-serif" color="0000FF" >//&nbsp;use&nbsp;some&nbsp;common&nbsp;STL&nbsp;container&nbsp;operations</FONT></I><BR>
&nbsp;&nbsp;&nbsp;&nbsp;std::cout&nbsp;&lt;&lt;&nbsp;"static_size:&nbsp;"&nbsp;&lt;&lt;&nbsp;a.size()&nbsp;&lt;&lt;&nbsp;std::endl;<BR>
&nbsp;&nbsp;&nbsp;&nbsp;std::cout&nbsp;&lt;&lt;&nbsp;"size:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;"&nbsp;&lt;&lt;&nbsp;a.size()&nbsp;&lt;&lt;&nbsp;std::endl;<BR>
&nbsp;&nbsp;&nbsp;&nbsp;std::cout&nbsp;&lt;&lt;&nbsp;"empty:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;"&nbsp;&lt;&lt;&nbsp;std::boolalpha&nbsp;&lt;&lt;&nbsp;a.empty()&nbsp;&lt;&lt;&nbsp;std::endl;<BR>
&nbsp;&nbsp;&nbsp;&nbsp;std::cout&nbsp;&lt;&lt;&nbsp;"max_size:&nbsp;&nbsp;&nbsp;&nbsp;"&nbsp;&lt;&lt;&nbsp;a.max_size()&nbsp;&lt;&lt;&nbsp;std::endl;<BR>
&nbsp;&nbsp;&nbsp;&nbsp;std::cout&nbsp;&lt;&lt;&nbsp;"front:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;"&nbsp;&lt;&lt;&nbsp;a.front()&nbsp;&lt;&lt;&nbsp;std::endl;<BR>
&nbsp;&nbsp;&nbsp;&nbsp;std::cout&nbsp;&lt;&lt;&nbsp;"back:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;"&nbsp;&lt;&lt;&nbsp;a.back()&nbsp;&lt;&lt;&nbsp;std::endl;<BR>
&nbsp;&nbsp;&nbsp;&nbsp;std::cout&nbsp;&lt;&lt;&nbsp;"[0]:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;"&nbsp;&lt;&lt;&nbsp;a[0]&nbsp;&lt;&lt;&nbsp;std::endl;<BR>
&nbsp;&nbsp;&nbsp;&nbsp;std::cout&nbsp;&lt;&lt;&nbsp;"elems:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;";<BR>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;<I><FONT face="Arial,Helvetica,sans-serif" color="0000FF" >//&nbsp;iterate&nbsp;through&nbsp;all&nbsp;elements</FONT></I><BR>
&nbsp;&nbsp;&nbsp;&nbsp;for&nbsp;(Array::const_iterator&nbsp;pos=a.begin();&nbsp;pos&lt;a.end();&nbsp;++pos)&nbsp;{<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;std::cout&nbsp;&lt;&lt;&nbsp;*pos&nbsp;&lt;&lt;&nbsp;'&nbsp;';<BR>
&nbsp;&nbsp;&nbsp;&nbsp;}<BR>
&nbsp;&nbsp;&nbsp;&nbsp;std::cout&nbsp;&lt;&lt;&nbsp;std::endl;<BR>
&nbsp;&nbsp;&nbsp;&nbsp;test_static_size(a);<BR>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;<I><FONT face="Arial,Helvetica,sans-serif" color="0000FF" >//&nbsp;check&nbsp;copy&nbsp;constructor&nbsp;and&nbsp;assignment&nbsp;operator</FONT></I><BR>
&nbsp;&nbsp;&nbsp;&nbsp;Array&nbsp;b(a);<BR>
&nbsp;&nbsp;&nbsp;&nbsp;Array&nbsp;c;<BR>
&nbsp;&nbsp;&nbsp;&nbsp;c&nbsp;=&nbsp;a;<BR>
&nbsp;&nbsp;&nbsp;&nbsp;if&nbsp;(a==b&nbsp;&&&nbsp;a==c)&nbsp;{<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;std::cout&nbsp;&lt;&lt;&nbsp;"copy&nbsp;construction&nbsp;and&nbsp;copy&nbsp;assignment&nbsp;are&nbsp;OK"<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;&lt;&nbsp;std::endl;<BR>
&nbsp;&nbsp;&nbsp;&nbsp;}<BR>
&nbsp;&nbsp;&nbsp;&nbsp;else&nbsp;{<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;std::cout&nbsp;&lt;&lt;&nbsp;"copy&nbsp;construction&nbsp;and&nbsp;copy&nbsp;assignment&nbsp;are&nbsp;BROKEN"<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;&lt;&nbsp;std::endl;<BR>
&nbsp;&nbsp;&nbsp;&nbsp;}<BR>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;typedef&nbsp;boost::array&lt;double,6&gt;&nbsp;DArray;<BR>
&nbsp;&nbsp;&nbsp;&nbsp;typedef&nbsp;boost::array&lt;int,6&gt;&nbsp;IArray;<BR>
&nbsp;&nbsp;&nbsp;&nbsp;IArray&nbsp;ia&nbsp;=&nbsp;{&nbsp;1,&nbsp;2,&nbsp;3,&nbsp;4,&nbsp;5,&nbsp;6&nbsp;};<BR>
&nbsp;&nbsp;&nbsp;&nbsp;DArray&nbsp;da;<BR>
&nbsp;&nbsp;&nbsp;&nbsp;da&nbsp;=&nbsp;ia;<BR>
&nbsp;&nbsp;&nbsp;&nbsp;da.assign(42);<BR>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;0;&nbsp;&nbsp;<I><FONT face="Arial,Helvetica,sans-serif" color="0000FF" >//&nbsp;makes&nbsp;Visual-C++&nbsp;compiler&nbsp;happy</FONT></I><BR>
}<BR>
<BR>
</SPAN>
</TT>
</BODY>
</HTML>
initial checkin of Nico's array library [SVN r7678] 2000-08-02 18:15:32 +00:00			`<HTML>`
			`<HEAD>`
			`<TITLE>array5.cpp</TITLE>`
			`</HEAD>`

			`<BODY TEXT="#000000" BGCOLOR="#FFFFFF">`
			` `
			`<TABLE HEIGHT=40 WIDTH="100%">`
			`<TR> <TD ALIGN=LEFT WIDTH="100%" BGCOLOR="#DDDDDD">`
			`<FONT face="Arial,Helvetica" size=+2><B>`
			` array5.cpp`
			`</B></FONT>`
			`</TD></TR></TABLE><BR>`

			`<BR><BR>`
			`<TT>`
			`<SPAN class="Source">`
			`<Font color="0000FF" >/</FONT><I><FONT face="Arial,Helvetica,sans-serif" color="0000FF" >* simple example for using class array<></FONT></I><BR>`
			` <I><FONT face="Arial,Helvetica,sans-serif" color="0000FF" >*/</FONT></I><BR>`
			`#include <iostream><BR>`
			`#include <<A href="./array.hpp.html">boost/array.hpp</A>><BR>`
			`<BR>`
			`template <typename T><BR>`
			`void test_static_size (const T& cont)<BR>`
			`{<BR>`
			`    int tmp[T::static_size];<BR>`
			`    for (unsigned i=0; i<T::static_size; ++i) {<BR>`
			`        tmp[i] = int(cont[i]);<BR>`
			`    }<BR>`
			`    for (unsigned i=0; i<T::static_size; ++i) {<BR>`
			`        std::cout << tmp[i] << ' ';<BR>`
			`    }<BR>`
			`    std::cout << std::endl;<BR>`
			`}<BR>`
			`<BR>`
			`int main()<BR>`
			`{<BR>`
			`    <I><FONT face="Arial,Helvetica,sans-serif" color="0000FF" >// define special type name</FONT></I><BR>`
			`    typedef boost::array<float,6> Array;<BR>`
			`<BR>`
			`    <I><FONT face="Arial,Helvetica,sans-serif" color="0000FF" >// create and initialize an array</FONT></I><BR>`
			`    const Array a = { { 42.42 } };<BR>`
			`<BR>`
			`    <I><FONT face="Arial,Helvetica,sans-serif" color="0000FF" >// use some common STL container operations</FONT></I><BR>`
			`    std::cout << "static_size: " << a.size() << std::endl;<BR>`
			`    std::cout << "size:        " << a.size() << std::endl;<BR>`
			`    std::cout << "empty:       " << std::boolalpha << a.empty() << std::endl;<BR>`
			`    std::cout << "max_size:    " << a.max_size() << std::endl;<BR>`
			`    std::cout << "front:       " << a.front() << std::endl;<BR>`
			`    std::cout << "back:        " << a.back() << std::endl;<BR>`
			`    std::cout << "[0]:         " << a[0] << std::endl;<BR>`
			`    std::cout << "elems:       ";<BR>`
			`<BR>`
			`    <I><FONT face="Arial,Helvetica,sans-serif" color="0000FF" >// iterate through all elements</FONT></I><BR>`
			`    for (Array::const_iterator pos=a.begin(); pos<a.end(); ++pos) {<BR>`
			`        std::cout << *pos << ' ';<BR>`
			`    }<BR>`
			`    std::cout << std::endl;<BR>`
			`    test_static_size(a);<BR>`
			`<BR>`
			`    <I><FONT face="Arial,Helvetica,sans-serif" color="0000FF" >// check copy constructor and assignment operator</FONT></I><BR>`
			`    Array b(a);<BR>`
			`    Array c;<BR>`
			`    c = a;<BR>`
			`    if (a==b && a==c) {<BR>`
			`        std::cout << "copy construction and copy assignment are OK"<BR>`
update from Nico [SVN r10918] 2001-08-23 20:33:35 +00:00			`                  << std::endl;<BR>`
initial checkin of Nico's array library [SVN r7678] 2000-08-02 18:15:32 +00:00			`    }<BR>`
			`    else {<BR>`
update from Nico [SVN r10918] 2001-08-23 20:33:35 +00:00			`        std::cout << "copy construction and copy assignment are BROKEN"<BR>`
			`                  << std::endl;<BR>`
initial checkin of Nico's array library [SVN r7678] 2000-08-02 18:15:32 +00:00			`    }<BR>`
			`<BR>`
Changes reflecting formal review comments [SVN r7689] 2000-08-30 12:44:40 +00:00			`    typedef boost::array<double,6> DArray;<BR>`
			`    typedef boost::array<int,6> IArray;<BR>`
			`    IArray ia = { 1, 2, 3, 4, 5, 6 };<BR>`
			`    DArray da;<BR>`
			`    da = ia;<BR>`
			`    da.assign(42);<BR>`
update from Nico [SVN r10918] 2001-08-23 20:33:35 +00:00			`<BR>`
			`    return 0;  <I><FONT face="Arial,Helvetica,sans-serif" color="0000FF" >// makes Visual-C++ compiler happy</FONT></I><BR>`
initial checkin of Nico's array library [SVN r7678] 2000-08-02 18:15:32 +00:00			`}<BR>`
			`<BR>`
			`</SPAN>`
			`</TT>`
			`</BODY>`
			`</HTML>`