mirror of https://github.com/mkerrisk/man-pages
39 lines
918 B
Groff
39 lines
918 B
Groff
.\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de)
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.\"
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.\" %%%LICENSE_START(GPL_NOVERSION_ONELINE)
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.\" Distributed under GPL
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.\" %%%LICENSE_END
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.\"
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.TH CCOSH 3 2021-03-22 "" "Linux Programmer's Manual"
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.SH NAME
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ccosh, ccoshf, ccoshl \- complex hyperbolic cosine
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.SH SYNOPSIS
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.nf
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.B #include <complex.h>
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.PP
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.BI "double complex ccosh(double complex " z ");"
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.BI "float complex ccoshf(float complex " z ");"
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.BI "long double complex ccoshl(long double complex " z ");"
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.PP
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Link with \fI\-lm\fP.
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.fi
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.SH DESCRIPTION
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These functions calculate the complex hyperbolic cosine of
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.IR z .
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.PP
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The complex hyperbolic cosine function is defined as:
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.PP
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.nf
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ccosh(z) = (exp(z)+exp(\-z))/2
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.fi
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.SH VERSIONS
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These functions first appeared in glibc in version 2.1.
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.SH CONFORMING TO
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C99, POSIX.1-2001, POSIX.1-2008.
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.SH SEE ALSO
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.BR cabs (3),
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.BR cacosh (3),
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.BR csinh (3),
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.BR ctanh (3),
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.BR complex (7)
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