NAME
cimag, cimagf, cimagl - get imaginary part of a complex number
LIBRARY
Math library (libm, -lm)
SYNOPSIS
#include <complex.h>
double cimag(double complex z); float cimagf(float complex z); long double cimagl(long double complex z);
DESCRIPTION
These functions return the imaginary part of the complex number z.
One has:
z = creal(z) + I * cimag(z)
ATTRIBUTES
For an explanation of the terms used in this section, see attributes(7).
| Interface | Attribute | Value |
| cimag(), cimagf(), cimagl() | Thread safety | MT-Safe |
VERSIONS
GCC also supports __imag__. That is a GNU extension.
STANDARDS
C11, POSIX.1-2008.
HISTORY
glibc 2.1. C99, POSIX.1-2001.