Mercurial > hg > octave-nkf > gnulib-hg
annotate tests/test-floorl.c @ 9938:9f8c455639fc
Fix rounding when a precision is given.
| author | Bruno Haible <bruno@clisp.org> |
|---|---|
| date | Sat, 19 Apr 2008 17:26:36 +0200 |
| parents | 0be6f1ab456d |
| children | 06a4179ed804 |
| rev | line source |
|---|---|
| 9294 | 1 /* Test of rounding towards negative infinity. |
|
9889
0be6f1ab456d
Flush the standard error stream before aborting.
Bruno Haible <bruno@clisp.org>
parents:
9309
diff
changeset
|
2 Copyright (C) 2007-2008 Free Software Foundation, Inc. |
| 9294 | 3 |
|
9309
bbbbbf4cd1c5
Change copyright notice from GPLv2+ to GPLv3+.
Bruno Haible <bruno@clisp.org>
parents:
9294
diff
changeset
|
4 This program is free software: you can redistribute it and/or modify |
| 9294 | 5 it under the terms of the GNU General Public License as published by |
|
9309
bbbbbf4cd1c5
Change copyright notice from GPLv2+ to GPLv3+.
Bruno Haible <bruno@clisp.org>
parents:
9294
diff
changeset
|
6 the Free Software Foundation; either version 3 of the License, or |
|
bbbbbf4cd1c5
Change copyright notice from GPLv2+ to GPLv3+.
Bruno Haible <bruno@clisp.org>
parents:
9294
diff
changeset
|
7 (at your option) any later version. |
| 9294 | 8 |
| 9 This program is distributed in the hope that it will be useful, | |
| 10 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 GNU General Public License for more details. | |
| 13 | |
| 14 You should have received a copy of the GNU General Public License | |
|
9309
bbbbbf4cd1c5
Change copyright notice from GPLv2+ to GPLv3+.
Bruno Haible <bruno@clisp.org>
parents:
9294
diff
changeset
|
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 9294 | 16 |
| 17 /* Written by Bruno Haible <bruno@clisp.org>, 2007. */ | |
| 18 | |
| 19 #include <config.h> | |
| 20 | |
| 21 #include <math.h> | |
| 22 | |
| 23 #include <stdio.h> | |
| 24 #include <stdlib.h> | |
| 25 | |
| 26 #include "fpucw.h" | |
| 27 #include "isnanl-nolibm.h" | |
| 28 | |
| 29 #define ASSERT(expr) \ | |
| 30 do \ | |
| 31 { \ | |
| 32 if (!(expr)) \ | |
| 33 { \ | |
| 34 fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \ | |
|
9889
0be6f1ab456d
Flush the standard error stream before aborting.
Bruno Haible <bruno@clisp.org>
parents:
9309
diff
changeset
|
35 fflush (stderr); \ |
| 9294 | 36 abort (); \ |
| 37 } \ | |
| 38 } \ | |
| 39 while (0) | |
| 40 | |
| 41 int | |
| 42 main () | |
| 43 { | |
| 44 DECL_LONG_DOUBLE_ROUNDING | |
| 45 | |
| 46 BEGIN_LONG_DOUBLE_ROUNDING (); | |
| 47 | |
| 48 /* Zero. */ | |
| 49 ASSERT (floorl (0.0L) == 0.0L); | |
| 50 ASSERT (floorl (-0.0L) == 0.0L); | |
| 51 /* Positive numbers. */ | |
| 52 ASSERT (floorl (0.3L) == 0.0L); | |
| 53 ASSERT (floorl (0.7L) == 0.0L); | |
| 54 ASSERT (floorl (1.0L) == 1.0L); | |
| 55 ASSERT (floorl (1.5L) == 1.0L); | |
| 56 ASSERT (floorl (1.999L) == 1.0L); | |
| 57 ASSERT (floorl (2.0L) == 2.0L); | |
| 58 ASSERT (floorl (65535.999L) == 65535.0L); | |
| 59 ASSERT (floorl (65536.0L) == 65536.0L); | |
| 60 ASSERT (floorl (2.341e31L) == 2.341e31L); | |
| 61 /* Negative numbers. */ | |
| 62 ASSERT (floorl (-0.3L) == -1.0L); | |
| 63 ASSERT (floorl (-0.7L) == -1.0L); | |
| 64 ASSERT (floorl (-1.0L) == -1.0L); | |
| 65 ASSERT (floorl (-1.001L) == -2.0L); | |
| 66 ASSERT (floorl (-1.5L) == -2.0L); | |
| 67 ASSERT (floorl (-1.999L) == -2.0L); | |
| 68 ASSERT (floorl (-2.0L) == -2.0L); | |
| 69 ASSERT (floorl (-65535.999L) == -65536.0L); | |
| 70 ASSERT (floorl (-65536.0L) == -65536.0L); | |
| 71 ASSERT (floorl (-2.341e31L) == -2.341e31L); | |
| 72 /* Infinite numbers. */ | |
| 73 ASSERT (floorl (1.0L / 0.0L) == 1.0L / 0.0L); | |
| 74 ASSERT (floorl (-1.0L / 0.0L) == -1.0L / 0.0L); | |
| 75 /* NaNs. */ | |
| 76 ASSERT (isnanl (floorl (0.0L / 0.0L))); | |
| 77 | |
| 78 return 0; | |
| 79 } |