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+    <h1 id="firstHeading" class="firstHeading">cpowf, cpow, cpowl</h1>            <table class="t-dcl-begin"> <tr class="t-dsc-header"> <th> Defined in header <code>&lt;complex.h&gt;</code> </th> <th> </th> <th> </th> </tr> <tr class="t-dcl t-since-c99"> <td> <pre data-language="c">float complex       cpowf( float complex x, float complex y );</pre>
+</td> <td> (1) </td> <td> <span class="t-mark-rev t-since-c99">(since C99)</span> </td> </tr> <tr class="t-dcl t-since-c99"> <td> <pre data-language="c">double complex      cpow( double complex x, double complex y );</pre>
+</td> <td> (2) </td> <td> <span class="t-mark-rev t-since-c99">(since C99)</span> </td> </tr> <tr class="t-dcl t-since-c99"> <td> <pre data-language="c">long double complex cpowl( long double complex x, long double complex y );</pre>
+</td> <td> (3) </td> <td> <span class="t-mark-rev t-since-c99">(since C99)</span> </td> </tr> <tr class="t-dsc-header"> <th> Defined in header <code>&lt;tgmath.h&gt;</code> </th> <th> </th> <th> </th> </tr> <tr class="t-dcl t-since-c99"> <td> <pre data-language="c">#define pow( x, y )</pre>
+</td> <td> (4) </td> <td> <span class="t-mark-rev t-since-c99">(since C99)</span> </td> </tr>  </table> <div class="t-li1">
+<span class="t-li">1-3)</span> Computes the complex power function x<sup class="t-su">y</sup>, with branch cut for the first parameter along the negative real axis.</div> <div class="t-li1">
+<span class="t-li">4)</span> Type-generic macro: If any argument has type <code><span class="kw4">long</span> <span class="kw4">double</span> <a href="http://en.cppreference.com/w/c/numeric/complex/complex"><span class="kw743">complex</span></a></code>, <code>cpowl</code> is called. if any argument has type <code><span class="kw4">double</span> <a href="http://en.cppreference.com/w/c/numeric/complex/complex"><span class="kw743">complex</span></a></code>, <code>cpow</code> is called, if any argument has type <code><span class="kw4">float</span> <a href="http://en.cppreference.com/w/c/numeric/complex/complex"><span class="kw743">complex</span></a></code>, <code>cpowf</code> is called. If the arguments are real or integer, then the macro invokes the corresponding real function (<code>powf</code>, <code><a href="http://en.cppreference.com/w/c/numeric/math/pow"><span class="kw668">pow</span></a></code>, <code>powl</code>). If any argument is imaginary, the corresponding complex number version is called.</div>  <h3 id="Parameters"> Parameters</h3> <table class="t-par-begin"> <tr class="t-par"> <td> x, y </td> <td> - </td> <td> complex argument </td>
+</tr>
+</table> <h3 id="Return_value"> Return value</h3> <p>If no errors occur, the complex power x<sup class="t-su">y</sup>, is returned.</p>
+<p>Errors and special cases are handled as if the operation is implemented by <code><a href="http://en.cppreference.com/w/c/numeric/complex/cexp"><span class="kw769">cexp</span></a><span class="br0">(</span>y<span class="sy2">*</span><a href="http://en.cppreference.com/w/c/numeric/complex/clog"><span class="kw772">clog</span></a><span class="br0">(</span>x<span class="br0">)</span><span class="br0">)</span></code>, except that the implementation is allowed to treat special cases more carefully.</p>
+<h3 id="Example"> Example</h3> <div class="t-example"> <div class="c source-c"><pre data-language="c">#include &lt;stdio.h&gt;
+#include &lt;complex.h&gt;
+ 
+int main(void)
+{    
+    double complex z = cpow(1.0+2.0*I, 2);
+    printf("(1+2i)^2 = %.1f%+.1fi\n", creal(z), cimag(z));
+ 
+    double complex z2 = cpow(-1, 0.5);
+    printf("(-1+0i)^0.5 = %.1f%+.1fi\n", creal(z2), cimag(z2));
+ 
+    double complex z3 = cpow(conj(-1), 0.5); // other side of the cut
+    printf("(-1-0i)^0.5 = %.1f%+.1fi\n", creal(z3), cimag(z3));
+ 
+    double complex z4 = cpow(I, I); // i^i = exp(-pi/2)
+    printf("i^i = %f%+fi\n", creal(z4), cimag(z4));
+}</pre></div> <p>Output:</p>
+<div class="text source-text"><pre data-language="c">(1+2i)^2 = -3.0+4.0i
+(-1+0i)^0.5 = 0.0+1.0i
+(-1-0i)^0.5 = 0.0-1.0i
+i^i = 0.207880+0.000000i</pre></div> </div> <h3 id="References"> References</h3>  <ul>
+<li> C11 standard (ISO/IEC 9899:2011): </li>
+<ul>
+<li> 7.3.8.2 The cpow functions (p: 195-196) </li>
+<li> 7.25 Type-generic math &lt;tgmath.h&gt; (p: 373-375) </li>
+<li> G.6.4.1 The cpow functions (p: 544) </li>
+<li> G.7 Type-generic math &lt;tgmath.h&gt; (p: 545) </li>
+</ul>
+<li> C99 standard (ISO/IEC 9899:1999): </li>
+<ul>
+<li> 7.3.8.2 The cpow functions (p: 177) </li>
+<li> 7.22 Type-generic math &lt;tgmath.h&gt; (p: 335-337) </li>
+<li> G.6.4.1 The cpow functions (p: 479) </li>
+<li> G.7 Type-generic math &lt;tgmath.h&gt; (p: 480) </li>
+</ul>
+</ul>            <h3 id="See_also"> See also</h3> <table class="t-dsc-begin"> <tr class="t-dsc"> <td> <div><a href="csqrt" title="c/numeric/complex/csqrt"> <span class="t-lines"><span>csqrt</span><span>csqrtf</span><span>csqrtl</span></span></a></div>
+<div><span class="t-lines"><span><span class="t-mark-rev t-since-c99">(C99)</span></span><span><span class="t-mark-rev t-since-c99">(C99)</span></span><span><span class="t-mark-rev t-since-c99">(C99)</span></span></span></div> </td> <td> computes the complex square root <br> <span class="t-mark">(function)</span>  </td>
+</tr> <tr class="t-dsc"> <td> <div><a href="../math/pow" title="c/numeric/math/pow"> <span class="t-lines"><span>pow</span><span>powf</span><span>powl</span></span></a></div>
+<div><span class="t-lines"><span><span class="t-mark-rev t-since-c99">(C99)</span></span><span><span class="t-mark-rev t-since-c99">(C99)</span></span></span></div> </td> <td> computes a number raised to the given power (\(\small{x^y}\)x<sup>y</sup>) <br> <span class="t-mark">(function)</span>  </td>
+</tr> <tr class="t-dsc"> <td colspan="2"> <span><a href="https://en.cppreference.com/w/cpp/numeric/complex/pow" title="cpp/numeric/complex/pow">C++ documentation</a></span> for <code>pow</code> </td>
+</tr> </table>           <div class="_attribution">
+  <p class="_attribution-p">
+    &copy; cppreference.com<br>Licensed under the Creative Commons Attribution-ShareAlike Unported License v3.0.<br>
+    <a href="https://en.cppreference.com/w/c/numeric/complex/cpow" class="_attribution-link">https://en.cppreference.com/w/c/numeric/complex/cpow</a>
+  </p>
+</div>