diff options
Diffstat (limited to 'math/libm-test-round.inc')
| -rw-r--r-- | math/libm-test-round.inc | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/math/libm-test-round.inc b/math/libm-test-round.inc new file mode 100644 index 0000000000..3949db40f4 --- /dev/null +++ b/math/libm-test-round.inc @@ -0,0 +1,190 @@ +/* Test round. + Copyright (C) 1997-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + 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/>. */ + +static const struct test_f_f_data round_test_data[] = + { + TEST_f_f (round, 0, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, minus_zero, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, plus_infty, plus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, minus_infty, minus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), + TEST_f_f (round, -snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), + + TEST_f_f (round, min_subnorm_value, 0.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, min_value, 0.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 1, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 2, 2, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 0x1p23, 0x1p23, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 0x1p24, 0x1p24, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 0x1p25, 0x1p25, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 0x1p52, 0x1p52, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 0x1p53, 0x1p53, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 0x1p54, 0x1p54, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 0x1p63, 0x1p63, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 0x1p64, 0x1p64, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 0x1p65, 0x1p65, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 0x1p105, 0x1p105, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 0x1p106, 0x1p106, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 0x1p107, 0x1p107, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 0x1p112, 0x1p112, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 0x1p113, 0x1p113, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 0x1p114, 0x1p114, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, max_value, max_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -min_subnorm_value, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -min_value, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -1, -1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -2, -2, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -0x1p23, -0x1p23, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -0x1p24, -0x1p24, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -0x1p25, -0x1p25, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -0x1p52, -0x1p52, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -0x1p53, -0x1p53, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -0x1p54, -0x1p54, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -0x1p63, -0x1p63, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -0x1p64, -0x1p64, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -0x1p65, -0x1p65, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -0x1p105, -0x1p105, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -0x1p106, -0x1p106, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -0x1p107, -0x1p107, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -0x1p112, -0x1p112, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -0x1p113, -0x1p113, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -0x1p114, -0x1p114, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -max_value, -max_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + + TEST_f_f (round, 0.2L, 0.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -0.2L, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 0.5, 1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -0.5, -1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 0.8L, 1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -0.8L, -1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 1.5, 2.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -1.5, -2.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 0.1, 0.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 0.25, 0.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 0.625, 1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -0.1, -0.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -0.25, -0.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -0.625, -1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 2097152.5, 2097153, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -2097152.5, -2097153, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + +#if !TEST_COND_binary32 + TEST_f_f (round, 0xffffffffffff.0p0L, 0xffffffffffff.0p0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 0xffffffffffff.4p0L, 0xffffffffffff.0p0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 0xffffffffffff.8p0L, 0x1000000000000.0p0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 0xffffffffffff.cp0L, 0x1000000000000.0p0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -0xffffffffffff.0p0L, -0xffffffffffff.0p0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -0xffffffffffff.4p0L, -0xffffffffffff.0p0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -0xffffffffffff.8p0L, -0x1000000000000.0p0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -0xffffffffffff.cp0L, -0x1000000000000.0p0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), +#endif + +#if MANT_DIG >= 64 + /* The result can only be represented in long double. */ + TEST_f_f (round, 4503599627370495.5L, 4503599627370496.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 4503599627370496.25L, 4503599627370496.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 4503599627370496.5L, 4503599627370497.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 4503599627370496.75L, 4503599627370497.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 4503599627370497.5L, 4503599627370498.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), +# if MANT_DIG > 100 + TEST_f_f (round, 4503599627370494.5000000000001L, 4503599627370495.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 4503599627370495.5000000000001L, 4503599627370496.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 4503599627370496.5000000000001L, 4503599627370497.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), +# endif + + TEST_f_f (round, -4503599627370495.5L, -4503599627370496.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -4503599627370496.25L, -4503599627370496.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -4503599627370496.5L, -4503599627370497.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -4503599627370496.75L, -4503599627370497.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -4503599627370497.5L, -4503599627370498.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), +# if MANT_DIG > 100 + TEST_f_f (round, -4503599627370494.5000000000001L, -4503599627370495.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -4503599627370495.5000000000001L, -4503599627370496.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -4503599627370496.5000000000001L, -4503599627370497.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), +# endif + + TEST_f_f (round, 9007199254740991.5L, 9007199254740992.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 9007199254740992.25L, 9007199254740992.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 9007199254740992.5L, 9007199254740993.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 9007199254740992.75L, 9007199254740993.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 9007199254740993.5L, 9007199254740994.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + + TEST_f_f (round, -9007199254740991.5L, -9007199254740992.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -9007199254740992.25L, -9007199254740992.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -9007199254740992.5L, -9007199254740993.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -9007199254740992.75L, -9007199254740993.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -9007199254740993.5L, -9007199254740994.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + +# if MANT_DIG > 100 + TEST_f_f (round, 9007199254740991.0000000000001L, 9007199254740991.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 9007199254740992.0000000000001L, 9007199254740992.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 9007199254740993.0000000000001L, 9007199254740993.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 9007199254740991.5000000000001L, 9007199254740992.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 9007199254740992.5000000000001L, 9007199254740993.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 9007199254740993.5000000000001L, 9007199254740994.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + + TEST_f_f (round, -9007199254740991.0000000000001L, -9007199254740991.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -9007199254740992.0000000000001L, -9007199254740992.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -9007199254740993.0000000000001L, -9007199254740993.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -9007199254740991.5000000000001L, -9007199254740992.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -9007199254740992.5000000000001L, -9007199254740993.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -9007199254740993.5000000000001L, -9007199254740994.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), +# endif + + TEST_f_f (round, 72057594037927935.5L, 72057594037927936.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 72057594037927936.25L, 72057594037927936.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 72057594037927936.5L, 72057594037927937.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 72057594037927936.75L, 72057594037927937.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 72057594037927937.5L, 72057594037927938.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + + TEST_f_f (round, -72057594037927935.5L, -72057594037927936.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -72057594037927936.25L, -72057594037927936.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -72057594037927936.5L, -72057594037927937.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -72057594037927936.75L, -72057594037927937.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -72057594037927937.5L, -72057594037927938.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + + /* Check cases where first double is a exact integer higher than 2^52 and + the precision is determined by second long double for IBM long double. */ + TEST_f_f (round, 34503599627370498.515625L, 34503599627370499.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -34503599627370498.515625L, -34503599627370499.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), +# if MANT_DIG >= 106 + TEST_f_f (round, 1192568192774434123539907640624.484375L, 1192568192774434123539907640624.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, -1192568192774434123539907640624.484375L, -1192568192774434123539907640624.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), +# endif + + TEST_f_f (round, 10141204801825835211973625643007.5L, 10141204801825835211973625643008.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 10141204801825835211973625643008.25L, 10141204801825835211973625643008.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 10141204801825835211973625643008.5L, 10141204801825835211973625643009.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 10141204801825835211973625643008.75L, 10141204801825835211973625643009.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (round, 10141204801825835211973625643009.5L, 10141204801825835211973625643010.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), +#endif + }; + +static void +round_test (void) +{ + ALL_RM_TEST (round, 1, round_test_data, RUN_TEST_LOOP_f_f, END); +} + +/* + * Local Variables: + * mode:c + * End: + */ |