/* Software floating-point emulation. Compare a and b, return float condition code. Copyright (C) 1997-2017 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Richard Henderson (rth@cygnus.com) and Jakub Jelinek (jj@ultra.linux.cz). 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 "soft-fp.h" #include "quad.h" int _Q_cmp(const long double a, const long double b) { FP_DECL_EX; FP_DECL_Q(A); FP_DECL_Q(B); int r; FP_UNPACK_RAW_Q(A, a); FP_UNPACK_RAW_Q(B, b); FP_CMP_Q(r, B, A, 3, 1); if (r == -1) r = 2; FP_HANDLE_EXCEPTIONS; return r; }