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1 /* Software floating-point emulation.
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2 Return 1 iff a or b is a NaN, 0 otherwise.
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3 Copyright (C) 2006-2019 Free Software Foundation, Inc.
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4 This file is part of the GNU C Library.
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5 Contributed by Joseph Myers (joseph@codesourcery.com).
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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 In addition to the permissions in the GNU Lesser General Public
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13 License, the Free Software Foundation gives you unlimited
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14 permission to link the compiled version of this file into
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15 combinations with other programs, and to distribute those
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16 combinations without any restriction coming from the use of this
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17 file. (The Lesser General Public License restrictions do apply in
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18 other respects; for example, they cover modification of the file,
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19 and distribution when not linked into a combine executable.)
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20
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21 The GNU C Library is distributed in the hope that it will be useful,
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22 but WITHOUT ANY WARRANTY; without even the implied warranty of
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23 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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24 Lesser General Public License for more details.
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25
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26 You should have received a copy of the GNU Lesser General Public
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27 License along with the GNU C Library; if not, see
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28 <http://www.gnu.org/licenses/>. */
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29
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30 #include "soft-fp.h"
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31 #include "quad.h"
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32
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33 CMPtype
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34 __unordtf2 (TFtype a, TFtype b)
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35 {
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36 FP_DECL_EX;
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37 FP_DECL_Q (A);
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38 FP_DECL_Q (B);
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39 CMPtype r;
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40
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41 FP_INIT_EXCEPTIONS;
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42 FP_UNPACK_RAW_Q (A, a);
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43 FP_UNPACK_RAW_Q (B, b);
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44 FP_CMP_UNORD_Q (r, A, B, 1);
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45 FP_HANDLE_EXCEPTIONS;
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46
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47 return r;
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48 }
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