csin(3) Library Functions Manual csin(3)
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)
ATTRIBUTES
For an explanation of the terms used in this section, see attrib-
utes(7).
┌───────────────────────────────────────────┬───────────────┬─────────┐
│ Interface │ Attribute │ Value │
├───────────────────────────────────────────┼───────────────┼─────────┤
│ csin(), csinf(), csinl() │ Thread safety │ MT-Safe │
└───────────────────────────────────────────┴───────────────┴─────────┘
STANDARDS
C11, POSIX.1-2008.
HISTORY
glibc 2.1. C99, POSIX.1-2001.
SEE ALSO
cabs(3), casin(3), ccos(3), ctan(3), complex(7)
Linux man-pages 6.7 2023-10-31 csin(3)
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