csqrt, csqrtf, csqrtl — complex square root
#include <complex.h>
double complex csqrt( |
double complex | z) ; |
float
complex csqrtf( |
float complex | z) ; |
long
double complex csqrtl( |
long double complex | z) ; |
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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.)
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Copyright 2002 Walter Harms (walter.harmsinformatik.uni-oldenburg.de) Distributed under GPL |