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Diffstat (limited to 'math/libm-test-frexp.inc')
| -rw-r--r-- | math/libm-test-frexp.inc | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/math/libm-test-frexp.inc b/math/libm-test-frexp.inc new file mode 100644 index 0000000000..bfc80df87c --- /dev/null +++ b/math/libm-test-frexp.inc @@ -0,0 +1,88 @@ +/* Test frexp. + 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_f1_data frexp_test_data[] = + { + TEST_fI_f1 (frexp, plus_infty, plus_infty, IGNORE, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_fI_f1 (frexp, minus_infty, minus_infty, IGNORE, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_fI_f1 (frexp, qnan_value, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_fI_f1 (frexp, -qnan_value, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_fI_f1 (frexp, snan_value, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), + TEST_fI_f1 (frexp, -snan_value, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), + + TEST_fI_f1 (frexp, 0.0, 0.0, 0.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_fI_f1 (frexp, minus_zero, minus_zero, 0.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + + TEST_fI_f1 (frexp, 12.8L, 0.8L, 4, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_fI_f1 (frexp, -27.34L, -0.854375L, 5, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_fI_f1 (frexp, 0.25L, 0.5L, -1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_fI_f1 (frexp, 0.5L, 0.5L, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_fI_f1 (frexp, 1.0L, 0.5L, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_fI_f1 (frexp, -1.0L, -0.5L, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_fI_f1 (frexp, 2.0L, 0.5L, 2, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_fI_f1 (frexp, 4.0L, 0.5L, 3, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_fI_f1 (frexp, 0x1p127L, 0.5L, 128, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_fI_f1 (frexp, -0x1p127L, -0.5L, 128, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_fI_f1 (frexp, 0x1p-126L, 0.5L, -125, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_fI_f1 (frexp, 0x1p-127L, 0.5L, -126, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_fI_f1 (frexp, 0x1p-149L, 0.5L, -148, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_fI_f1 (frexp, -0x1p-149L, -0.5L, -148, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), +#if !TEST_COND_binary32 + TEST_fI_f1 (frexp, 0x1p1023L, 0.5L, 1024, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_fI_f1 (frexp, -0x1p1023L, -0.5L, 1024, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_fI_f1 (frexp, 0x1p-1022L, 0.5L, -1021, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_fI_f1 (frexp, 0x1p-1023L, 0.5L, -1022, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_fI_f1 (frexp, 0x1p-1074L, 0.5L, -1073, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_fI_f1 (frexp, -0x1p-1074L, -0.5L, -1073, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), +#endif +#if MIN_EXP <= -16381 + TEST_fI_f1 (frexp, 0x1p16383L, 0.5L, 16384, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_fI_f1 (frexp, -0x1p16383L, -0.5L, 16384, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_fI_f1 (frexp, 0x1p-16382L, 0.5L, -16381, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_fI_f1 (frexp, 0x1p-16383L, 0.5L, -16382, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_fI_f1 (frexp, 0x1p-16445L, 0.5L, -16444, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_fI_f1 (frexp, -0x1p-16445L, -0.5L, -16444, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), +# if MANT_DIG >= 113 + TEST_fI_f1 (frexp, 0x1p-16494L, 0.5L, -16493, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_fI_f1 (frexp, -0x1p-16494L, -0.5L, -16493, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), +# endif +#endif + +#if MANT_DIG >= 106 + TEST_fI_f1 (frexp, 1.0L - 0x1p-106L, 1.0L - 0x1p-106L, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_fI_f1 (frexp, 1.0L, 0.5L, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_fI_f1 (frexp, 1.0L + 0x1p-105L, 0.5L + 0x1p-106L, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_fI_f1 (frexp, -1.0L + 0x1p-106L, -1.0L + 0x1p-106L, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_fI_f1 (frexp, -1.0L, -0.5L, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_fI_f1 (frexp, -1.0L - 0x1p-105L, -0.5L - 0x1p-106L, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), +#endif + }; + +static void +frexp_test (void) +{ + int x; + + ALL_RM_TEST (frexp, 1, frexp_test_data, RUN_TEST_LOOP_fI_f1, END, x); +} + +/* + * Local Variables: + * mode:c + * End: + */ |