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)
These functions were added in glibc 2.1.
For an explanation of the terms used in this section, see attributes(7).
Interface | Attribute | Value |
csin (), csinf (), csinl () | Thread safety | MT-Safe |
C99, POSIX.1-2001, POSIX.1-2008.
2022-12-15 | Linux man-pages 6.03 |