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catan
Langue: en
Version: 2002-07-28 (openSuse - 09/10/07)
Section: 3 (Bibliothèques de fonctions)
NAME
catan, catanf, catanl - complex arc tangentsSYNOPSIS
#include <complex.h>double complex catan(double complex z);
float complex catanf(float complex z);
long double complex catanl(long double complex z);
Link with -lm.
DESCRIPTION
The catan() function calculates the complex atan(). If y = catan(z), then z = ctan(y). The real part of y is chosen in the interval [-pi/2,pi/2].One has catan(z) = 1 / 2i clog((1 + iz) / (1 - iz)).
CONFORMING TO
C99SEE ALSO
ccos(3), clog(3), complex(7)Contenus ©2006-2024 Benjamin Poulain
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