lrint(3) Library Functions Manual lrint(3) lrint, lrintf, lrintl, llrint, llrintf, llrintl - Math library (libm, -lm) #include long lrint(double x); long lrintf(float x); long lrintl(long double x); long long llrint(double x); long long llrintf(float x); long long llrintl(long double x); glibc (. feature_test_macros(7)): , : _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L (. fesetround(3)). , rint(3), . . x NaN , long (long long ll*), , . math_error(7), , . : : x NaN , (FE_INVALID). errno. attributes(7). +----------------------------+----------------------------------------------------------+--------------------------+ | | | | +----------------------------+----------------------------------------------------------+--------------------------+ |lrint(), lrintf(), | | MT-Safe | |lrintl(), llrint(), | | | |llrintf(), llrintl() | | | +----------------------------+----------------------------------------------------------+--------------------------+ C11, POSIX.1-2008. glibc 2.1. C99, POSIX.1-2001. ceil(3), floor(3), lround(3), nearbyint(3), rint(3), round(3) () Artyom Kunyov , Azamat Hackimov , Dmitry Bolkhovskikh , Katrin Kutepova , Konstantin Shvaykovskiy , Yuri Kozlov , Kirill Rekhov ; GNU (GNU General Public License - GPL, 3 ) , - . - , , () () () <>. Linux man-pages 6.12 23 2024 . lrint(3)