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annotate tests/test-floorl.c @ 16364:89227b989588

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fatal-signal: use C prototypes (with explicit void). * lib/fatal-signal.c (uninstall_handlers, install_handlers) (init_fatal_signal_set, block_fatal_signals): Fix signatures.
author Akim Demaille <demaille@gostai.com>
date Wed, 08 Feb 2012 10:36:20 +0100
parents 8250f2777afc
children e542fd46ad6f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /* Test of rounding towards negative infinity.
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2 Copyright (C) 2007-2012 Free Software Foundation, Inc.
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3
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4 This program is free software: you can redistribute it and/or modify
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5 it under the terms of the GNU General Public License as published by
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6 the Free Software Foundation; either version 3 of the License, or
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7 (at your option) any later version.
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8
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9 This program is distributed in the hope that it will be useful,
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10 but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 GNU General Public License for more details.
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13
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14 You should have received a copy of the GNU General Public License
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15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
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16
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17 /* Written by Bruno Haible <bruno@clisp.org>, 2007. */
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18
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19 #include <config.h>
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20
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21 #include <math.h>
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22
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23 #include "signature.h"
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24 SIGNATURE_CHECK (floorl, long double, (long double));
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25
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26 #include <float.h>
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27
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28 #include "fpucw.h"
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29 #include "isnanl-nolibm.h"
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30 #include "minus-zero.h"
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31 #include "infinity.h"
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32 #include "nan.h"
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33 #include "macros.h"
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34
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35 int
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36 main ()
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37 {
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38 DECL_LONG_DOUBLE_ROUNDING
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39
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40 BEGIN_LONG_DOUBLE_ROUNDING ();
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41
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42 /* Zero. */
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43 ASSERT (floorl (0.0L) == 0.0L);
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44 ASSERT (floorl (minus_zerol) == 0.0L);
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45 /* Positive numbers. */
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46 ASSERT (floorl (0.3L) == 0.0L);
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47 ASSERT (floorl (0.7L) == 0.0L);
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48 ASSERT (floorl (1.0L) == 1.0L);
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49 ASSERT (floorl (1.5L) == 1.0L);
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50 ASSERT (floorl (1.999L) == 1.0L);
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51 ASSERT (floorl (2.0L) == 2.0L);
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52 ASSERT (floorl (65535.999L) == 65535.0L);
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53 ASSERT (floorl (65536.0L) == 65536.0L);
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54 ASSERT (floorl (2.341e31L) == 2.341e31L);
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55 /* Negative numbers. */
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56 ASSERT (floorl (-0.3L) == -1.0L);
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57 ASSERT (floorl (-0.7L) == -1.0L);
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58 ASSERT (floorl (-1.0L) == -1.0L);
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59 ASSERT (floorl (-1.001L) == -2.0L);
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60 ASSERT (floorl (-1.5L) == -2.0L);
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61 ASSERT (floorl (-1.999L) == -2.0L);
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62 ASSERT (floorl (-2.0L) == -2.0L);
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63 ASSERT (floorl (-65535.999L) == -65536.0L);
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64 ASSERT (floorl (-65536.0L) == -65536.0L);
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65 ASSERT (floorl (-2.341e31L) == -2.341e31L);
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66 /* Infinite numbers. */
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67 ASSERT (floorl (Infinityl ()) == Infinityl ());
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68 ASSERT (floorl (- Infinityl ()) == - Infinityl ());
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69 /* NaNs. */
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70 ASSERT (isnanl (floorl (NaNl ())));
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71
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72 return 0;
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73 }