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CIMAG

Linux Programmer's Manual (3)
2013-06-21
 

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.  

ATTRIBUTES

 

Multithreading (see pthreads(7))

The cimag(), cimagf(), and cimagl() functions are thread-safe.  

CONFORMING TO

C99.  

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
Multithreading (see pthreads(7))
CONFORMING TO
NOTES
SEE ALSO
COLOPHON

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