Name
csqrt, csqrtf, csqrtl — complex square root
Synopsis
#include <complex.h>
double complex csqrt( |
double complex |
z) ; |
float
complex csqrtf( |
float complex |
z) ; |
long
double complex csqrtl( |
long double complex
|
z) ; |
![[Note]](../stylesheet/note.png) |
Note |
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.)
SEE ALSO
cabs(3), cexp(3), complex(7)
Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de)
Distributed under GPL
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