cbrt(3) Library Functions Manual cbrt(3) cbrt, cbrtf, cbrtl - (libm -lm) #include double cbrt(double x); float cbrtf(float x); long double cbrtl(long double x); glibc ( feature_test_macros(7)): cbrt(): _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 500 || /* glibc 2.19: */ _DEFAULT_SOURCE || /* glibc <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE cbrtf(), cbrtl(): _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L || /* Since glibc 2.19: */ _DEFAULT_SOURCE || /* glibc <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE () x. . x. x +0 -0 NaN x. . attributes(7). +------------+------------------------------------+--------------------+ || | | +------------+------------------------------------+--------------------+ |cbrt(), | | MT-Safe | |cbrtf(), | | | |cbrtl() | | | +------------+------------------------------------+--------------------+ C11, POSIX.1-2008. GNU, C99, POSIX.1-2001. pow(3), sqrt(3) 3 . . : . 6.18 8 2026 cbrt(3)