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csinh.3m (2010 09)

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c
csinh(3M) csinh(3M)
(HP Integrity Server Only)
NAME
csinh( ), csinhf( ), csinhl( ), csinhw( ), csinhq( ) - complex hyperbolic sine functions
SYNOPSIS
#include <complex.h>
double complex csinh(double complex z);
float complex csinhf(float complex z);
long double complex csinhl(long double complex z);
extended complex csinhw(extended complex z);
quad complex csinhq(quad complex z);
DESCRIPTION
These functions are available only for Integrity servers.
csinh() returns the complex hyperbolic sine of z.
csinhf() is a float complex version of
csinh(); it takes a float complex argument and
returns a
float complex result.
csinhl() is a long double complex version of csinh(); it takes a long double complex
argu-
ment and returns a
long double complex result.
csinhw() is an extended complex version of csinh(); it takes an extended complex argument
and returns an extended complex result.
csinhq() is equivalent to csinhl() on HP-UX systems.
USAGE
To use these functions, compile with the default
-Ae option. To use csinhw() or
csinhq(), compile
with the
-fpwidetypes option. Make sure your program includes <complex.h>. Link in the math
library by specifying -lm on the compiler or linker command line.
RETURN VALUE
csinh(conj(z)) = conj(csinh(z)) and csinh is odd.
csinh(+0+i0) returns +0+i0.
csinh(+0+iInf) returns ±0+iNaN (where the sign of the real part of the result is unspecified) and raises
the invalid floating-point exception.
csinh(+0+iNaN) returns ±0+iNaN (where the sign of the real part of the result is unspecified).
csinh(x+iInf) returns NaN+iNaN and raises the invalid floating-point exception, for positive finite x .
csinh(x+iNaN) returns NaN+iNaN and optionally raises the invalid floating-point exception, for finite
nonzero x .
csinh(+Inf+i0) returns +Inf+i0.
csinh(+Inf+iy) returns +Inf(cos(y)+isin(y)), for positive finite y .
csinh(+Inf+iInf) returns ±Inf+iNaN (where the sign of the real part of the result is unspecified) and
raises the invalid floating-point exception.
csinh(+Inf+iNaN) returns ±Inf+iNaN (where the sign of the real part of the result is unspecified).
csinh(NaN+i0) returns NaN+i0.
csinh(NaN+iy) returns NaN+iNaN and optionally raises the invalid floating-point exception, for all
nonzero numbers y .
csinh(NaN+iNaN) returns NaN+iNaN.
ERRORS
No errors are defined.
SEE ALSO
sinh(3M), casinh(3M), complex(5).
HP-UX 11i Version 3: September 2010 − 1 − Hewlett-Packard Company 1

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