#include "libm.h" #if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024 #elif LDBL_MANT_DIG == 64 && LDBL_MAX_EXP == 16384 int __fpclassifyl(long double x) { union ldshape u = { x }; int e = u.bits.exp; if (!e) return u.bits.m ? FP_SUBNORMAL : FP_ZERO; if (e == 0x7fff) return u.bits.m & (uint64_t)-1>>1 ? FP_NAN : FP_INFINITE; return u.bits.m & (uint64_t)1<<63 ? FP_NORMAL : FP_NAN; } #elif LDBL_MANT_DIG == 113 && LDBL_MAX_EXP == 16384 int __fpclassifyl(long double x) { union ldshape u = { x }; int e = u.bits.exp; if (!e) return u.bits.mlo | u.bits.mhi ? FP_SUBNORMAL : FP_ZERO; if (e == 0x7fff) return u.bits.mlo | u.bits.mhi ? FP_NAN : FP_INFINITE; return FP_NORMAL; } #endif