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

       The cimag() function returns 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

   Multithreading (see pthreads(7))
       The cimag(), cimagf(), and cimagl() functions are thread-safe.

CONFORMING TO

       C99.

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 3.54 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/.

                                            2013-06-21                                   CIMAG(3)