cimag, cimagf, cimagl - get imaginary part of a complex number
Contents
Attributes
For an explanation of the terms used in this section, see attributes(7).
┌─────────────────────────────────────────────────────────────────────────────┬───────────────┬─────────┐
│ Interface │ Attribute │ Value │
├─────────────────────────────────────────────────────────────────────────────┼───────────────┼─────────┤
│ cimag(), cimagf(), cimagl() │ Thread safety │ MT-Safe │
└─────────────────────────────────────────────────────────────────────────────┴───────────────┴─────────┘
Description
These functions return the imaginary part of the complex number z.
One has:
z = creal(z) + I * cimag(z)
History
glibc 2.1. C99, POSIX.1-2001.
Library
Math library (libm, -lm)
Name
cimag, cimagf, cimagl - get imaginary part of a complex number
See Also
cabs(3), creal(3), complex(7) Linux man-pages 6.9.1 2024-05-02 cimag(3)
Standards
C11, POSIX.1-2008.
Synopsis
#include<complex.h>doublecimag(doublecomplexz);floatcimagf(floatcomplexz);longdoublecimagl(longdoublecomplexz);Versions
GCC also supports __imag__. That is a GNU extension.
