/* Return classification value corresponding to argument. m68k version. Copyright (C) 1997-2021 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper , 1997. Fixed for m68k by Andreas Schwab . The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library. If not, see . */ #include #include int __fpclassifyl (long double x) { uint32_t ex, hx, lx; int retval = FP_NORMAL; GET_LDOUBLE_WORDS (ex, hx, lx, x); ex &= 0x7fff; if ((ex | hx | lx) == 0) retval = FP_ZERO; else if (ex == 0 && (hx & 0x80000000) == 0) retval = FP_SUBNORMAL; else if (ex == 0x7fff) retval = ((hx & 0x7fffffff) | lx) != 0 ? FP_NAN : FP_INFINITE; return retval; } libm_hidden_def (__fpclassifyl)