NAME

carg, cargf, cargl — complex argument functions

SYNOPSIS

#include <complex.h>

double
carg(double complex z);

float
cargf(float complex z);

long double
cargl(long double complex z);

DESCRIPTION

The carg(), cargf() and cargl() functions compute the argument (also called phase angle) of z, with a branch cut on the negative real axis.

RETURN VALUES

The carg(), cargf() and cargl() functions return the argument in the interval [-Pi, Pi].

SEE ALSO

cimag(3)

STANDARDS

The carg(), cargf() and cargl() functions conform to ISO/IEC 9899:1999 (“ISO C99”).