csin(3)
| 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
| 2021-03-22 |
