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-'\" t
-.\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de)
-.\"
-.\" SPDX-License-Identifier: GPL-1.0-or-later
-.\"
-.TH csqrt 3 2023-10-31 "Linux man-pages 6.7"
-.SH NAME
-csqrt, csqrtf, csqrtl \- complex square root
-.SH LIBRARY
-Math library
-.RI ( libm ", " \-lm )
-.SH SYNOPSIS
-.nf
-.B #include <complex.h>
-.P
-.BI "double complex csqrt(double complex " z );
-.BI "float complex csqrtf(float complex " z );
-.BI "long double complex csqrtl(long double complex " z );
-.fi
-.SH DESCRIPTION
-These functions calculate the complex square root of
-.IR z ,
-with a branch cut along the negative real axis.
-(That means that \fIcsqrt(\-1+eps*I)\fP will be close to I while
-\fIcsqrt(\-1\-eps*I)\fP will be close to \-I, \fIif eps\fP is a small positive
-real number.)
-.SH ATTRIBUTES
-For an explanation of the terms used in this section, see
-.BR attributes (7).
-.TS
-allbox;
-lbx lb lb
-l l l.
-Interface Attribute Value
-T{
-.na
-.nh
-.BR csqrt (),
-.BR csqrtf (),
-.BR csqrtl ()
-T} Thread safety MT-Safe
-.TE
-.SH STANDARDS
-C11, POSIX.1-2008.
-.SH HISTORY
-glibc 2.1.
-C99, POSIX.1-2001.
-.SH SEE ALSO
-.BR cabs (3),
-.BR cexp (3),
-.BR complex (7)