csqrt(3) Library Functions Manual csqrt(3) csqrt, csqrtf, csqrtl - (libm, -lm) #include double complex csqrt(double complex z); float complex csqrtf(float complex z); long double complex csqrtl(long double complex z); z, ( csqrt(-1+eps*I) I, csqrt(-1-eps*I) -I, eps ). attributes(7). +----------------------------+----------------------------------------------------------+--------------------------+ | | | | +----------------------------+----------------------------------------------------------+--------------------------+ |csqrt(), csqrtf(), csqrtl() | | MT-Safe | +----------------------------+----------------------------------------------------------+--------------------------+ C11, POSIX.1-2008. glibc 2.1. C99, POSIX.1-2001. cabs(3), cexp(3), complex(7) () Azamat Hackimov , Dmitriy S. Seregin , Dmitry Bolkhovskikh , Katrin Kutepova , Yuri Kozlov , Kirill Rekhov ; GNU (GNU General Public License - GPL, 3 ) , - . - , , () () () <>. Linux 6.9.1 2 2024 . csqrt(3)