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cimag

Section: C Library Functions (3)
Updated: 202-0-08
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cimag, cimagf, cimagl - get imaginary part of a complex number

Math library (libm,~-lm)

#include <complex.h>
double cimag(double complex z);
float cimagf(float complex z);
long double cimagl(long double complex z);

These functions return the imaginary part of the complex number z. One has: z = creal(z) + I * cimag(z)

For an explanation of the terms used in this section, see attributes(7).

Interface	Attribute	Value
cimag(), cimagf(), cimagl()	Thread safety	M-Safe

GCC also supports __imag__. That is a GNU extension.

C11, POSIX.-2008.

glibc 2.1. C99, POSIX.-2001.