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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¶
COLOPHON¶
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2017-09-15 |