csinf (3)

Leading comments

Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de)

%%%LICENSE_START(GPL_NOVERSION_ONELINE)
Distributed under GPL
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(The comments found at the beginning of the groff file "man3/csinf.3".)

NAME

csin, csinf, csinl - complex sine function

SYNOPSIS

#include <complex.h>

double complex csin(double complex z);
float complex csinf(float complex z);
long double complex csinl(long double complex z);

Link with -lm.

DESCRIPTION

These functions calculate the complex sine of z.
The complex sine function is defined as:

    csin(z) = (exp(i * z) - exp(-i * z)) / (2 * i)

VERSIONS

These functions first appeared in glibc in version 2.1.

ATTRIBUTES

For an explanation of the terms used in this section, see attributes(7).

Interface	Attribute	Value
csin(), csinf(), csinl()	Thread safety	MT-Safe

CONFORMING TO

C99, POSIX.1-2001, POSIX.1-2008.

SEE ALSO

cabs(3), casin(3), ccos(3), ctan(3), complex(7)

COLOPHON

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