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93 lines
3.5 KiB
HTML
93 lines
3.5 KiB
HTML
4 years ago
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<title>casinh (LIBM)</title>
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<link href="Document-Index.html#SEC_Contents" rel="contents" title="Table of Contents">
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<link href="Complex.html#Complex" rel="up" title="Complex">
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<body lang="en">
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<a name="casinh"></a>
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<div class="header">
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<p>
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Next: <a href="catan.html#catan" accesskey="n" rel="next">catan</a>, Previous: <a href="casin.html#casin" accesskey="p" rel="prev">casin</a>, Up: <a href="Complex.html#Complex" accesskey="u" rel="up">Complex</a> [<a href="Document-Index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Document-Index.html#Document-Index" title="Index" rel="index">Index</a>]</p>
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</div>
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<hr>
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<a name="casinh_002c-casinhf_002d_002d_002dcomplex-arc-hyperbolic-sine"></a>
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<h3 class="section">2.6 <code>casinh</code>, <code>casinhf</code>—complex arc hyperbolic sine</h3>
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<a name="index-casinh"></a>
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<a name="index-casinhf"></a>
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<p><strong>Synopsis</strong>
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</p><div class="example">
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<pre class="example">#include <complex.h>
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double complex casinh(double complex <var>z</var>);
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float complex casinhf(float complex <var>z</var>);
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</pre></div>
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<p><strong>Description</strong><br>
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These functions compute the complex arc hyperbolic sine of <var>z</var>,
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with branch cuts outside the interval [-i, +i] along the
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imaginary axis.
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</p>
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<p><code>casinhf</code> is identical to <code>casinh</code>, except that it performs
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its calculations on <code>floats complex</code>.
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</p>
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<br>
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<p><strong>Returns</strong><br>
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These functions return the complex arc hyperbolic sine value,
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in the range of a strip mathematically unbounded along the
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real axis and in the interval [-i*p/2, +i*p/2] along the
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imaginary axis.
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</p>
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<br>
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<p><strong>Portability</strong><br>
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<code>casinh</code> and <code>casinhf</code> are ISO C99
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</p>
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<br>
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