| 1 | /* Software floating-point emulation. |
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| 2 | Compare a and b, return float condition code. |
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| 3 | Signal exception (unless masked) if unordered. |
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| 4 | Copyright (C) 1997-2024 Free Software Foundation, Inc. |
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| 5 | This file is part of the GNU C Library. |
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| 6 | |
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| 7 | The GNU C Library is free software; you can redistribute it and/or |
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| 8 | modify it under the terms of the GNU Lesser General Public |
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| 9 | License as published by the Free Software Foundation; either |
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| 10 | version 2.1 of the License, or (at your option) any later version. |
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| 11 | |
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| 12 | The GNU C Library is distributed in the hope that it will be useful, |
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| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 15 | Lesser General Public License for more details. |
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| 16 | |
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| 17 | You should have received a copy of the GNU Lesser General Public |
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| 18 | License along with the GNU C Library; if not, see |
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| 19 | <https://www.gnu.org/licenses/>. */ |
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| 20 | |
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| 21 | #include "soft-fp.h" |
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| 22 | #include "quad.h" |
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| 23 | |
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| 24 | int _Q_cmpe(const long double a, const long double b) |
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| 25 | { |
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| 26 | FP_DECL_EX; |
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| 27 | FP_DECL_Q(A); FP_DECL_Q(B); |
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| 28 | int r; |
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| 29 | |
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| 30 | FP_UNPACK_RAW_Q(A, a); |
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| 31 | FP_UNPACK_RAW_Q(B, b); |
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| 32 | FP_CMP_Q(r, B, A, 3, 2); |
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| 33 | if (r == -1) r = 2; |
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| 34 | FP_HANDLE_EXCEPTIONS; |
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| 35 | |
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| 36 | return r; |
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| 37 | } |
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| 38 | |
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