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		<title>C/math.h/atan2 - История изменений</title>
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		<updated>2026-04-09T13:40:13Z</updated>
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		<id>http://cppe.ru/index.php?title=C/math.h/atan2&amp;diff=388&amp;oldid=prev</id>
		<title> в 14:20, 25 мая 2010</title>
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				<updated>2010-05-25T14:20:56Z</updated>
		
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		<id>http://cppe.ru/index.php?title=C/math.h/atan2&amp;diff=389&amp;oldid=prev</id>
		<title>Admin: 1 версия:&amp;#32;Импорт контента...</title>
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				<updated>2010-05-25T10:22:45Z</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;==atan2: returns the arc tangent of a/b==&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;
//Header file: #include &amp;lt;math.h&amp;gt;  &lt;br /&gt;
//Declaration: float atan2f(float a, float b); &lt;br /&gt;
               double atan2(double a, double b); &lt;br /&gt;
               long double atan2l(long double a, long double b);  &lt;br /&gt;
    &lt;br /&gt;
  &lt;br /&gt;
&lt;br /&gt;
  #include &amp;lt;math.h&amp;gt;&lt;br /&gt;
  #include &amp;lt;stdio.h&amp;gt;&lt;br /&gt;
  int main(void)&lt;br /&gt;
  {&lt;br /&gt;
    double val = -1.0;&lt;br /&gt;
    do {&lt;br /&gt;
      printf(&amp;quot;Atan2 of %f is %f.\n&amp;quot;, val, atan2(val,1.0));&lt;br /&gt;
      val += 0.1;&lt;br /&gt;
    } while(val&amp;lt;=1.0);&lt;br /&gt;
    return 0;&lt;br /&gt;
  }&lt;br /&gt;
         &lt;br /&gt;
/*&lt;br /&gt;
Atan2 of -1.000000 is -0.785398.&lt;br /&gt;
Atan2 of -0.900000 is -0.732815.&lt;br /&gt;
Atan2 of -0.800000 is -0.674741.&lt;br /&gt;
Atan2 of -0.700000 is -0.610726.&lt;br /&gt;
Atan2 of -0.600000 is -0.540420.&lt;br /&gt;
Atan2 of -0.500000 is -0.463648.&lt;br /&gt;
Atan2 of -0.400000 is -0.380506.&lt;br /&gt;
Atan2 of -0.300000 is -0.291457.&lt;br /&gt;
Atan2 of -0.200000 is -0.197396.&lt;br /&gt;
Atan2 of -0.100000 is -0.099669.&lt;br /&gt;
Atan2 of 0.000000 is 0.000000.&lt;br /&gt;
Atan2 of 0.100000 is 0.099669.&lt;br /&gt;
Atan2 of 0.200000 is 0.197396.&lt;br /&gt;
Atan2 of 0.300000 is 0.291457.&lt;br /&gt;
Atan2 of 0.400000 is 0.380506.&lt;br /&gt;
Atan2 of 0.500000 is 0.463648.&lt;br /&gt;
Atan2 of 0.600000 is 0.540420.&lt;br /&gt;
Atan2 of 0.700000 is 0.610726.&lt;br /&gt;
Atan2 of 0.800000 is 0.674741.&lt;br /&gt;
Atan2 of 0.900000 is 0.732815.&lt;br /&gt;
Atan2 of 1.000000 is 0.785398.&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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