csin

NAME

csin, csinf, csinl - complex sine function

LIBRARY

Math library (libm, -lm)

SYNOPSIS

#include <complex.h>

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

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 were added in glibc 2.1.

ATTRIBUTES

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

STANDARDS

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

SEE ALSO

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