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cimag(3)

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



NAME
       cimag, cimagf, cimagl - get imaginary part of a complex number

SYNOPSIS
       #include <complex.h>

       double cimag(double complex z);
       float cimagf(float complex z);
       long double cimagl(long double complex z);

       Link with -lm.

DESCRIPTION
       These functions return the imaginary part of the complex number z.

       One has:

           z = creal(z) + I * cimag(z)

VERSIONS
       These functions first appeared in glibc in version 2.1.

ATTRIBUTES
       For   an   explanation   of   the  terms  used  in  this  section,  see
       attributes(7).

       allbox; lbw27 lb lb  l  l  l.   Interface Attribute Value  T{  cimag(),
       cimagf(), cimagl() T}   Thread safety  MT-Safe

CONFORMING TO
       C99, POSIX.1-2001, POSIX.1-2008.

NOTES
       gcc also supports __imag__.  That is a GNU extension.

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

COLOPHON
       This  page  is  part of release 5.02 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
       https://www.kernel.org/doc/man-pages/.



                                  2015-04-19                          CIMAG(3)
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