x11r4 man page for cimag

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).

       +----------------------------+---------------+---------+
       |Interface		    | Attribute     | Value   |
       +----------------------------+---------------+---------+
       |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 4.15 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)