csin, csinf, csinl - complex sine function
double complex csin(double complex
float complex csinf(float complex
long double complex csinl(long double complex
These functions calculate the complex sine of
The complex sine function is defined as:
csin(z) = (exp(i * z) - exp(-i * z)) / (2 * i)
These functions first appeared in glibc in version 2.1.
C99, POSIX.1-2001, POSIX.1-2008.
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