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csqrt
Langue: en
Version: 2002-07-28 (openSuse - 09/10/07)
Section: 3 (Bibliothèques de fonctions)
NAME
csqrt, csqrtf, csqrtl - complex square rootSYNOPSIS
#include <complex.h>double complex csqrt(double complex z);
float complex csqrtf(float complex z);
long double complex csqrtl(long double complex z);
Link with -lm.
DESCRIPTION
Calculate the square root of a given complex number, with non-negative real part, and with a branch cut along the negative real axis. (That means that csqrt(-1+eps*I) will be close to I while csqrt(-1-eps*I) will be close to -I, if eps is a small positive real number.)CONFORMING TO
C99SEE ALSO
cabs(3), cexp(3), complex(7)Contenus ©2006-2024 Benjamin Poulain
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