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CCOS

Linux Programmer's Manual (3)
2008-08-11
 

NAME

ccos, ccosf, ccosl - complex cosine function  

SYNOPSIS

#include <complex.h>

double complex ccos(double complex z);
float complex ccosf(float complex z);
long double complex ccosl(long double complex z);

Link with -lm.  

DESCRIPTION

The complex cosine function is defined as:

    ccos(z) = (exp(i * z) + exp(-i * z)) / 2
 

VERSIONS

These functions first appeared in glibc in version 2.1.  

CONFORMING TO

C99.  

SEE ALSO

cabs(3), cacos(3), csin(3), ctan(3), complex(7)  

COLOPHON

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Index

NAME
SYNOPSIS
DESCRIPTION
VERSIONS
CONFORMING TO
SEE ALSO
COLOPHON

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Time: 21:42:59 GMT, July 12, 2014