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

       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);

       Link with -lm.

       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.)

       These functions first appeared in glibc in version 2.1.


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

       This page is part of release 3.74 of the Linux  man-pages  project.   A
       description  of  the project, information about reporting bugs, and the
       latest    version    of    this    page,    can     be     found     at

                                  2008-08-11                          CSQRT(3)

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