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CIMAG(3) Linux Programmer's Manual CIMAG(3) NAME 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). ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ¬ββββββββββββββββ¬ββββββββββ βInterface β Attribute β Value β ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββΌββββββββββββββββΌββββββββββ€ βcimag(), cimagf(), cimagl() β Thread safety β MT-Safe β ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ΄ββββββββββββββββ΄ββββββββββ CONFORMING TO C99, POSIX.1-2001, POSIX.1-2008. NOTES gcc also supports __imag__. That is a GNU extension. SEE ALSO cabs(3), creal(3), complex(7) 2021-03-22 CIMAG(3)