cacosf, cacos, cacosl

 

C

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Numerics

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Complex number arithmetics

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Type-generic math

 

Complex number arithmetic

Types and the imaginary constant
complex Complex_I CMPLX	imaginary Imaginary_I I
Manipulation
cimag creal carg	conj cproj
Power and exponential functions
cexp clog	cpow csqrt
Trigonometric functions
ccos csin ctan	cacos casin catan
Hyperbolic functions
ccosh csinh ctanh	cacosh casinh catanh

 

Defined in header <complex.h>
float complex       cacosf( float complex z );		(since C99)
doulbe complex      cacos( double complex z );		(since C99)
long double complex cacosl( long double complex z );		(since C99)

Computes the complex arc cosine of z with branch cuts outside the interval [−1,+1] along the real axis.

Parameters

z

-

complex argument

Return value

The complex arc cosine of z in the interval [0; π] along the real axis and in the interval (−∞; ∞) along the imaginary axis.

See also

casin casinf casinl (C99) (C99) (C99)	computes the complex arc sine (function)
catan catanf catanl (C99) (C99) (C99)	computes the complex arc tangent (function)