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
Colophon
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Referenced By
cabs(3), cacosh(3), casinh(3), catanh(3), complex(7), creal(3).
The man pages cimagf(3) and cimagl(3) are aliases of cimag(3).