cimag, cimagf, cimagl - get imaginary part of a complex number
double cimag(double complex
float cimagf(float complex
long double cimagl(long double complex
These functions return the imaginary part of the complex number
z = creal(z) + I * cimag(z)
These functions first appeared in glibc in version 2.1.
C99, POSIX.1-2001, POSIX.1-2008.
gcc also supports __imag__. That is a GNU extension.
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