#include "libm.h" #if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024 long double rintl(long double x) { return rint(x); } #elif (LDBL_MANT_DIG == 64 || LDBL_MANT_DIG == 113) && LDBL_MAX_EXP == 16384 #if LDBL_MANT_DIG == 64 #define TOINT 0x1p63 #elif LDBL_MANT_DIG == 113 #define TOINT 0x1p112 #endif long double rintl(long double x) { union ldshape u = {x}; int e = u.i.se & 0x7fff; int s = u.i.se >> 15; long double y; if (e >= 0x3fff+LDBL_MANT_DIG-1) return x; if (s) y = x - TOINT + TOINT; else y = x + TOINT - TOINT; if (y == 0) return 0*x; return y; } #endif