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CIMAG

Section: Linux Programmer's Manual (3)
Updated: 2008-08-11
Index Return to Main Contents

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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

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.  

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 3.35 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://man7.org/linux/man-pages/.

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Index

NAME

SYNOPSIS

DESCRIPTION

VERSIONS

CONFORMING TO

NOTES

SEE ALSO

COLOPHON

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