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| <h3 class="section">2.21 <code>ctan</code>, <code>ctanf</code>—complex tangent</h3> |
| |
| <p><a name="index-ctan-194"></a><a name="index-ctanf-195"></a><strong>Synopsis</strong> |
| <pre class="example"> #include <complex.h> |
| double complex ctan(double complex <var>z</var>); |
| float complex ctanf(float complex <var>z</var>); |
| |
| </pre> |
| <p><strong>Description</strong><br> |
| These functions compute the complex tangent of <var>z</var>. |
| |
| <p><code>ctanf</code> is identical to <code>ctan</code>, except that it performs |
| its calculations on <code>floats complex</code>. |
| |
| <p><br> |
| <strong>Returns</strong><br> |
| These functions return the complex tangent value. |
| |
| <p><br> |
| <strong>Portability</strong><br> |
| <code>ctan</code> and <code>ctanf</code> are ISO C99 |
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