csin (3) - Linux Manuals

csin: complex sine function

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).
InterfaceAttributeValue
csin(), csinf(), csinl() Thread safetyMT-Safe

CONFORMING TO

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

COLOPHON

This page is part of release 5.10 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at https://www.kernel.org/doc/man-pages/.

SEE ALSO

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