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CSQRT(3)                   Linux Programmer's Manual                  CSQRT(3)

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);

       Link with -lm.

DESCRIPTION
       Calculate  the  square root of a given complex number, with nonnegative
       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.)

VERSIONS
       These functions first appeared in glibc in version 2.1.

CONFORMING TO
       C99.

SEE ALSO
       cabs(3), cexp(3), complex(7)

COLOPHON
       This page is part of release 3.25 of the Linux  man-pages  project.   A
       description  of  the project, and information about reporting bugs, can
       be found at http://www.kernel.org/doc/man-pages/.

                                  2008-08-11                          CSQRT(3)
 

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Gedruckt am: 13.12.2017 11:58 GMT+0100 (2017-12-13T11:58:10+01:00)