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Diffstat (limited to 'math/libm-test-ilogb.inc')
| -rw-r--r-- | math/libm-test-ilogb.inc | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/math/libm-test-ilogb.inc b/math/libm-test-ilogb.inc new file mode 100644 index 0000000000..957e5c1561 --- /dev/null +++ b/math/libm-test-ilogb.inc @@ -0,0 +1,64 @@ +/* Test ilogb. + 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_i_data ilogb_test_data[] = + { + TEST_f_i (ilogb, 1, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_i (ilogb, lit_e, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_i (ilogb, 1024, 10, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_i (ilogb, -2000, 10, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_i (ilogb, 0.5, -1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED); + TEST_f_i (ilogb, -0.5, -1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED); + +#if MANT_DIG >= 57 + TEST_f_i (ilogb, 0x1.ffffffffffffffp1L, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_i (ilogb, -0x1.ffffffffffffffp1L, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), +#endif + + TEST_f_i (ilogb, min_subnorm_value, MIN_EXP-MANT_DIG, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED); + TEST_f_i (ilogb, -min_subnorm_value, MIN_EXP-MANT_DIG, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED); + TEST_f_i (ilogb, min_value, MIN_EXP-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED); + TEST_f_i (ilogb, -min_value, MIN_EXP-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED); + TEST_f_i (ilogb, max_value, MAX_EXP-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED); + TEST_f_i (ilogb, -max_value, MAX_EXP-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED); + + /* ilogb (0.0) == FP_ILOGB0 plus invalid exception */ + TEST_f_i (ilogb, 0.0, FP_ILOGB0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_f_i (ilogb, -0.0, FP_ILOGB0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + /* ilogb (qNaN) == FP_ILOGBNAN plus invalid exception */ + TEST_f_i (ilogb, qnan_value, FP_ILOGBNAN, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_f_i (ilogb, -qnan_value, FP_ILOGBNAN, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_f_i (ilogb, snan_value, FP_ILOGBNAN, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_f_i (ilogb, -snan_value, FP_ILOGBNAN, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + /* ilogb (inf) == INT_MAX plus invalid exception */ + TEST_f_i (ilogb, plus_infty, INT_MAX, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + /* ilogb (-inf) == INT_MAX plus invalid exception */ + TEST_f_i (ilogb, minus_infty, INT_MAX, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + }; + +static void +ilogb_test (void) +{ + ALL_RM_TEST (ilogb, 1, ilogb_test_data, RUN_TEST_LOOP_f_i, END); +} + +/* + * Local Variables: + * mode:c + * End: + */ |