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		<title>C++/Valarray/valarray subscript indexer - История изменений</title>
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		<title> в 14:21, 25 мая 2010</title>
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				<updated>2010-05-25T14:21:06Z</updated>
		
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		<title>Admin: 1 версия:&amp;#32;Импорт контента...</title>
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				<updated>2010-05-25T10:25:51Z</updated>
		
		<summary type="html">&lt;p&gt;1 версия: Импорт контента...&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Новая страница&lt;/b&gt;&lt;/p&gt;&lt;div&gt;==Manipulate the value in a valarray==&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
   &lt;br /&gt;
&amp;lt;source lang=&amp;quot;cpp&amp;quot;&amp;gt; &lt;br /&gt;
 &lt;br /&gt;
/* The following code example is taken from the book&lt;br /&gt;
 * &amp;quot;The C++ Standard Library - A Tutorial and Reference&amp;quot;&lt;br /&gt;
 * by Nicolai M. Josuttis, Addison-Wesley, 1999&lt;br /&gt;
 *&lt;br /&gt;
 * (C) Copyright Nicolai M. Josuttis 1999.&lt;br /&gt;
 * Permission to copy, use, modify, sell and distribute this software&lt;br /&gt;
 * is granted provided this copyright notice appears in all copies.&lt;br /&gt;
 * This software is provided &amp;quot;as is&amp;quot; without express or implied&lt;br /&gt;
 * warranty, and with no claim as to its suitability for any purpose.&lt;br /&gt;
 */&lt;br /&gt;
#include &amp;lt;iostream&amp;gt;&lt;br /&gt;
#include &amp;lt;valarray&amp;gt;&lt;br /&gt;
using namespace std;&lt;br /&gt;
// print valarray&lt;br /&gt;
template &amp;lt;class T&amp;gt;&lt;br /&gt;
void printValarray (const valarray&amp;lt;T&amp;gt;&amp;amp; va)&lt;br /&gt;
{&lt;br /&gt;
    for (int i=0; i&amp;lt;va.size(); i++) {&lt;br /&gt;
        cout &amp;lt;&amp;lt; va[i] &amp;lt;&amp;lt; &amp;quot; &amp;quot;;&lt;br /&gt;
    }&lt;br /&gt;
    cout &amp;lt;&amp;lt; endl;&lt;br /&gt;
}&lt;br /&gt;
int main()&lt;br /&gt;
{&lt;br /&gt;
    // create and initialize valarray with nine elements&lt;br /&gt;
    valarray&amp;lt;double&amp;gt; va(9);&lt;br /&gt;
    for (int i=0; i&amp;lt;va.size(); i++) {&lt;br /&gt;
        va[i] = i * 1.1;&lt;br /&gt;
    }&lt;br /&gt;
    // print valarray&lt;br /&gt;
    printValarray(va);&lt;br /&gt;
    // double values in the valarray&lt;br /&gt;
    va *= 2.0;&lt;br /&gt;
    // print valarray again&lt;br /&gt;
    printValarray(va);&lt;br /&gt;
    // create second valarray initialized by the values of the first plus 10&lt;br /&gt;
    valarray&amp;lt;double&amp;gt; vb(va+10.0);&lt;br /&gt;
    // print second valarray&lt;br /&gt;
    printValarray(vb);&lt;br /&gt;
    // create third valarray as a result of processing both existing valarrays&lt;br /&gt;
    valarray&amp;lt;double&amp;gt; vc;&lt;br /&gt;
    vc = sqrt(va) + vb/2.0 - 1.0;&lt;br /&gt;
    &lt;br /&gt;
    // print third valarray&lt;br /&gt;
    printValarray(vc);&lt;br /&gt;
}&lt;br /&gt;
/* &lt;br /&gt;
0 1.1 2.2 3.3 4.4 5.5 6.6 7.7 8.8&lt;br /&gt;
0 2.2 4.4 6.6 8.8 11 13.2 15.4 17.6&lt;br /&gt;
10 12.2 14.4 16.6 18.8 21 23.2 25.4 27.6&lt;br /&gt;
&lt;br /&gt;
 */        &lt;br /&gt;
  &amp;lt;/source&amp;gt;&lt;/div&gt;</summary>
		<author><name>Admin</name></author>	</entry>

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