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#include &lt;stdlib.h&gt;<br />
double d = atof(&quot;1.5&quot;);<br />
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#include &lt;stdio.h&gt;<br />
sscanf(&quot;1.5&quot;,&quot;%lf&quot;,&amp;d);<br />
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#include <stdlib.h>
double d = atof("1.5");

#include <stdio.h>
sscanf("1.5","%lf",&d);




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Thanks!<br />
<br />
Mark the question as answed!<br />

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Thanks for answeing so fast!<br />

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How do I convert const char* to double
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Convert const char* to double

C++ is an intermediate-level general-purpose programming language, not to be confused with C or C#. It was developed as a set of extensions to the C programming language to improve type-safety and add support for automatic resource management, object-orientation, generic programming, and exception handling, among other features.