CIMAG

Section: Linux Programmer's Manual (3)
Updated: 2015-04-19
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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).

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

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Index

NAME

SYNOPSIS

DESCRIPTION

VERSIONS

ATTRIBUTES

CONFORMING TO

NOTES

SEE ALSO

COLOPHON