Scroll to navigation

CSIN(3) Linux Programmer's Manual CSIN(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

This page is part of release 5.04 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/.
2017-09-15