csin(3) Library Functions Manual csin(3)

csin, csinf, csinl - complex sine function

Math library (libm, -lm)

#include <complex.h>
double complex csin(double complex z);
float complex csinf(float complex z);
long double complex csinl(long double complex z);

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)

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

Interface Attribute Value
csin (), csinf (), csinl () Thread safety MT-Safe

C11, POSIX.1-2008.

glibc 2.1. C99, POSIX.1-2001.

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

2024-05-02 Linux man-pages 6.9.1