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 4.09 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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