Manualshelf

ccos.3m (2010 09)

ManualsBrandsHP ManualsSoftwareHP-UX Manpages
12
c
ccos(3M) ccos(3M)
(HP Integrity Server Only)
NAME
ccos( ), ccosf( ), ccosl( ), ccosw( ), ccosq( ) - complex cosine functions
SYNOPSIS
#include <complex.h>
double complex ccos(double complex z);
float complex ccosf(float complex z);
long double complex ccosl(long double complex z);
extended complex ccosw(extended complex z);
quad complex ccosq(quad complex z);
DESCRIPTION
These functions are available only for Integrity servers.
ccos() returns the complex cosine of z .
ccosf() is a float complex version of
ccos(); it takes a float complex argument and returns a
float complex result.
ccosl() is a long double complex version of ccos(); it takes a long double complex
argu-
ment and returns a
long double complex result.
ccosw() is an extended complex version of ccos(); it takes an extended complex argument
and returns an extended complex result.
ccosq() is equivalent to ccosl() on HP-UX systems.
USAGE
To use these functions, compile with the default
-Ae option. To use ccosw() or
ccosq(), 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
ccos(conj(z)) = conj(ccos(z )) and ccos is even.
ccos(+0+i0) returns 1-i0.
ccos(+0+iInf) returns NaN±i0 (where the sign of the imaginary part of the result is unspecified) and
raises the invalid floating-point exception.
ccos(+0+iNaN) returns NaN±i0 (where the sign of the imaginary part of the result is unspecified).
ccos(x+iInf) returns NaN+iNaN and raises the invalid floating-point exception, for finite nonzero x .
ccos(x+iNaN) returns NaN+iNaN and optionally raises the invalid floating-point exception, for finite
nonzero x .
ccos(+Inf+i0) returns +Inf-i0.
ccos(+Inf+iy) returns +Inf(cos(y)-isin(y)), for finite nonzero y .
ccos(+Inf+iInf) returns ±Inf+iNaN (where the sign of the real part of the result is unspecified) and
raises the invalid floating-point exception.
ccos(+Inf+iNaN) returns +Inf+iNaN.
ccos(NaN+i0) returns NaN±i0 (where the sign of the imaginary part of the result is unspecified).
ccos(NaN+iy) returns NaN+iNaN and optionally raises the invalid floating-point exception, for all
nonzero numbers y .
ccos(NaN+iNaN) returns NaN+iNaN.
ERRORS
No errors are defined.
SEE ALSO
cos(3M), cacos(3M), complex(5).
HP-UX 11i Version 3: September 2010 − 1 − Hewlett-Packard Company 1

Summary of content (2 pages)