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man pages section 3: Extended Library Functions, Volume 2

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Updated: Thursday, June 13, 2019
 
 

cacosl(3M)

Name

cacos, cacosf, cacosl - complex arc cosine functions

Synopsis

c99 [ flag... ] file... –lm [ library... ]
#include <complex.h>

double complex cacos(double complex z);
float complex cacosf(float complex z);
long double complex cacosl(long double complex z);

Description

These functions compute the complex arc cosine of z, with branch cuts outside the interval [ -1, +1 ] along the real axis.

Return Values

These functions return the complex arc cosine value, in the range of a strip mathematically unbounded along the imaginary axis and in the interval [ 0, π ] along the real axis.

Errors

No errors are defined.

Attributes

See attributes(7) for descriptions of the following attributes:

ATTRIBUTE TYPE
ATTRIBUTE VALUE
Interface Stability
Committed
Availability
system/library/math
MT-Level
MT-Safe
Standard

See Also

complex.h(3HEAD), ccos(3M), attributes(7), standards(7)