| /* Software floating-point emulation. |
| Compare a and b, return float condition code. |
| Signal exception (unless masked) if unordered. |
| Copyright (C) 1997-2014 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 |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include "soft-fp.h" |
| #include "quad.h" |
| |
| int _Q_cmpe(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); |
| if (r == -1) r = 2; |
| if (r == 3) |
| FP_SET_EXCEPTION(FP_EX_INVALID); |
| FP_HANDLE_EXCEPTIONS; |
| |
| return r; |
| } |