NAME
casinh, casinhf,
casinhl —
complex inverse hyperbolic
sine
SYNOPSIS
#include
<complex.h>
double complex
casinh(double
complex z);
float complex
casinhf(float
complex z);
long double complex
casinhl(long
double complex z);
DESCRIPTION
The
casinh(),
casinhf()
and
casinhl()
functions compute the complex inverse hyperbolic sine of
z.
For all complex floating-point numbers z,
casinh(z) = -i casin(iz).
RETURN VALUES
The casinh(),
casinhf() and casinhl()
functions return the complex inverse hyperbolic sine of
z with imaginary part in the interval [-Pi/2, Pi/2],
and unbounded real part.
SEE ALSO
STANDARDS
The casinh(),
casinhf() and casinhl()
functions conform to ISO/IEC 9899:1999
(“ISO C99”).