cimag, cimagf, cimagl - get imaginary part of a complex number
#include <complex.h>
double cimag(double complex z
);
float cimagf(float complex z
);
long double cimagl(long double complex z
);
Link with -lm
.
These functions return the imaginary part of the complex number z
.
One has:
z = creal(z) + I * cimag(z)
These functions first appeared in glibc in version 2.1.
For an explanation of the terms used in this section, see attributes(7).
Interface | Attribute | Value |
cimag(), cimagf(), cimagl() | Thread safety | MT-Safe |
C99, POSIX.1-2001, POSIX.1-2008.
gcc also supports __imag__. That is a GNU extension.
This page is part of release 5.10 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/.