CCOS
Section: Linux Programmer's Manual (3)
Updated: 2021-03-22
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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
These functions calculate the complex cosine of
z.
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.
ATTRIBUTES
For an explanation of the terms used in this section, see
attributes(7).
| Interface | Attribute | Value
|
|
ccos(),
ccosf(),
ccosl()
| Thread safety | MT-Safe
|
CONFORMING TO
C99, POSIX.1-2001, POSIX.1-2008.
SEE ALSO
cabs(3),
cacos(3),
csin(3),
ctan(3),
complex(7)
COLOPHON
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Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- VERSIONS
-
- ATTRIBUTES
-
- CONFORMING TO
-
- SEE ALSO
-
- COLOPHON
-
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