/** * This file has no copyright assigned and is placed in the Public Domain. * This file is part of the mingw-w64 runtime package. * No warranty is given; refer to the file DISCLAIMER.PD within this package. */ #include #include #include long lroundl (long double x) { long double res; if (x >= 0.0L) { res = ceill (x); if (res - x > 0.5L) res -= 1.0; } else { res = ceill (-x); if (res + x > 0.5L) res -= 1.0L; res = -res; } if (!isfinite (res) || res > (long double)LONG_MAX || res < (long double)LONG_MIN) { errno = ERANGE; /* Undefined behaviour, so we could return anything. */ /* return res > 0.0L ? LONG_MAX : LONG_MIN; */ } return (long) res; }