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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).

       ┌────────────────────────────┬───────────────┬─────────┐
       │InterfaceAttributeValue   │
       ├────────────────────────────┼───────────────┼─────────┤
       │cimag(), cimagf(), cimagl() │ 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)