2 Copyright (C) 1997-2024 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
19 #include "libm-test-driver.c"
21 static const struct test_fl_f_data scalbln_test_data[] =
23 TEST_fl_f (scalbln, 0, 0, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
24 TEST_fl_f (scalbln, minus_zero, 0, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
26 TEST_fl_f (scalbln, plus_infty, 1, plus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
27 TEST_fl_f (scalbln, minus_infty, 1, minus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
28 TEST_fl_f (scalbln, qnan_value, 1, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
29 TEST_fl_f (scalbln, -qnan_value, 1, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
30 TEST_fl_f (scalbln, snan_value, 1, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
31 TEST_fl_f (scalbln, -snan_value, 1, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
33 TEST_fl_f (scalbln, 0.8L, 4, 12.8L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
34 TEST_fl_f (scalbln, -0.854375L, 5, -27.34L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
36 TEST_fl_f (scalbln, 1, 0L, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
38 TEST_fl_f (scalbln, min_value / 2, 0, min_value / 2, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
39 TEST_fl_f (scalbln, -min_value / 2, 0, -min_value / 2, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
40 TEST_fl_f (scalbln, min_value / 2, 1, min_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
41 TEST_fl_f (scalbln, -min_value / 2, 1, -min_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
42 TEST_fl_f (scalbln, min_value * 0x0.ffffp0, 0, min_value * 0x0.ffffp0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
43 TEST_fl_f (scalbln, -min_value * 0x0.ffffp0, 0, -min_value * 0x0.ffffp0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
44 TEST_fl_f (scalbln, min_subnorm_value, 0, min_subnorm_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
45 TEST_fl_f (scalbln, -min_subnorm_value, 0, -min_subnorm_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
46 TEST_fl_f (scalbln, min_subnorm_value, MANT_DIG - 1, min_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
47 TEST_fl_f (scalbln, -min_subnorm_value, MANT_DIG - 1, -min_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
49 TEST_fl_f (scalbln, min_value, -MANT_DIG + 1, min_subnorm_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
50 TEST_fl_f (scalbln, -min_value, -MANT_DIG + 1, -min_subnorm_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
51 TEST_fl_f (scalbln, min_value, -MANT_DIG, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),
52 TEST_fl_f (scalbln, -min_value, -MANT_DIG, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW),
53 TEST_fl_f (scalbln, min_value, -MANT_DIG - 1, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),
54 TEST_fl_f (scalbln, -min_value, -MANT_DIG - 1, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW),
55 TEST_fl_f (scalbln, min_value * 1.5, -MANT_DIG + 1, min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, min_subnorm_value * 2, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, min_subnorm_value * 2, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION),
56 TEST_fl_f (scalbln, -min_value * 1.5, -MANT_DIG + 1, -min_subnorm_value * 2, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, -min_subnorm_value * 2, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, -min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, -min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION),
57 TEST_fl_f (scalbln, min_value * 1.5, -MANT_DIG, plus_zero, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, plus_zero, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION),
58 TEST_fl_f (scalbln, -min_value * 1.5, -MANT_DIG, -min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, -min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, minus_zero, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, minus_zero, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION),
59 TEST_fl_f (scalbln, min_value * 1.5, -MANT_DIG - 1, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),
60 TEST_fl_f (scalbln, -min_value * 1.5, -MANT_DIG - 1, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW),
61 TEST_fl_f (scalbln, min_value * 1.25, -MANT_DIG + 1, min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, min_subnorm_value * 2, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION),
62 TEST_fl_f (scalbln, -min_value * 1.25, -MANT_DIG + 1, -min_subnorm_value * 2, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, -min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, -min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, -min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION),
63 TEST_fl_f (scalbln, min_value * 1.25, -MANT_DIG, plus_zero, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, plus_zero, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION),
64 TEST_fl_f (scalbln, -min_value * 1.25, -MANT_DIG, -min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, -min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, minus_zero, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, minus_zero, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION),
65 TEST_fl_f (scalbln, min_value * 1.25, -MANT_DIG - 1, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),
66 TEST_fl_f (scalbln, -min_value * 1.25, -MANT_DIG - 1, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW),
68 TEST_fl_f (scalbln, 1, INT_MAX, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW|XFAIL_ROUNDING_IBM128_LIBGCC),
69 TEST_fl_f (scalbln, 1, INT_MIN, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),
70 TEST_fl_f (scalbln, max_value, INT_MAX, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW|XFAIL_ROUNDING_IBM128_LIBGCC),
71 TEST_fl_f (scalbln, max_value, INT_MIN, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),
72 TEST_fl_f (scalbln, min_value, INT_MAX, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW|XFAIL_ROUNDING_IBM128_LIBGCC),
73 TEST_fl_f (scalbln, min_value, INT_MIN, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),
74 TEST_fl_f (scalbln, min_value / 4, INT_MAX, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW|XFAIL_ROUNDING_IBM128_LIBGCC),
75 TEST_fl_f (scalbln, min_value / 4, INT_MIN, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),
76 TEST_fl_f (scalbln, min_subnorm_value, INT_MAX, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW|XFAIL_ROUNDING_IBM128_LIBGCC),
77 TEST_fl_f (scalbln, min_subnorm_value, INT_MIN, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),
79 TEST_fl_f (scalbln, -1, INT_MAX, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW|XFAIL_ROUNDING_IBM128_LIBGCC),
80 TEST_fl_f (scalbln, -1, INT_MIN, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW),
81 TEST_fl_f (scalbln, -max_value, INT_MAX, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW|XFAIL_ROUNDING_IBM128_LIBGCC),
82 TEST_fl_f (scalbln, -max_value, INT_MIN, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW),
83 TEST_fl_f (scalbln, -min_value, INT_MAX, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW|XFAIL_ROUNDING_IBM128_LIBGCC),
84 TEST_fl_f (scalbln, -min_value, INT_MIN, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW),
85 TEST_fl_f (scalbln, -min_value / 4, INT_MAX, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW|XFAIL_ROUNDING_IBM128_LIBGCC),
86 TEST_fl_f (scalbln, -min_value / 4, INT_MIN, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW),
87 TEST_fl_f (scalbln, -min_subnorm_value, INT_MAX, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW|XFAIL_ROUNDING_IBM128_LIBGCC),
88 TEST_fl_f (scalbln, -min_subnorm_value, INT_MIN, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW),
90 TEST_fl_f (scalbln, 1, LONG_MAX, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW|XFAIL_ROUNDING_IBM128_LIBGCC),
91 TEST_fl_f (scalbln, 1, LONG_MIN, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),
92 TEST_fl_f (scalbln, max_value, LONG_MAX, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW|XFAIL_ROUNDING_IBM128_LIBGCC),
93 TEST_fl_f (scalbln, max_value, LONG_MIN, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),
94 TEST_fl_f (scalbln, min_value, LONG_MAX, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW|XFAIL_ROUNDING_IBM128_LIBGCC),
95 TEST_fl_f (scalbln, min_value, LONG_MIN, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),
96 TEST_fl_f (scalbln, min_value / 4, LONG_MAX, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW|XFAIL_ROUNDING_IBM128_LIBGCC),
97 TEST_fl_f (scalbln, min_value / 4, LONG_MIN, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),
98 TEST_fl_f (scalbln, min_subnorm_value, LONG_MAX, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW|XFAIL_ROUNDING_IBM128_LIBGCC),
99 TEST_fl_f (scalbln, min_subnorm_value, LONG_MIN, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),
101 TEST_fl_f (scalbln, -1, LONG_MAX, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW|XFAIL_ROUNDING_IBM128_LIBGCC),
102 TEST_fl_f (scalbln, -1, LONG_MIN, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW),
103 TEST_fl_f (scalbln, -max_value, LONG_MAX, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW|XFAIL_ROUNDING_IBM128_LIBGCC),
104 TEST_fl_f (scalbln, -max_value, LONG_MIN, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW),
105 TEST_fl_f (scalbln, -min_value, LONG_MAX, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW|XFAIL_ROUNDING_IBM128_LIBGCC),
106 TEST_fl_f (scalbln, -min_value, LONG_MIN, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW),
107 TEST_fl_f (scalbln, -min_value / 4, LONG_MAX, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW|XFAIL_ROUNDING_IBM128_LIBGCC),
108 TEST_fl_f (scalbln, -min_value / 4, LONG_MIN, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW),
109 TEST_fl_f (scalbln, -min_subnorm_value, LONG_MAX, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW|XFAIL_ROUNDING_IBM128_LIBGCC),
110 TEST_fl_f (scalbln, -min_subnorm_value, LONG_MIN, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW),
112 #if LONG_MAX >= 0x100000000
113 TEST_fl_f (scalbln, 1, 0x88000000L, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW|XFAIL_ROUNDING_IBM128_LIBGCC),
114 TEST_fl_f (scalbln, 1, -0x88000000L, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),
115 TEST_fl_f (scalbln, max_value, 0x88000000L, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW|XFAIL_ROUNDING_IBM128_LIBGCC),
116 TEST_fl_f (scalbln, max_value, -0x88000000L, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),
117 TEST_fl_f (scalbln, min_value, 0x88000000L, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW|XFAIL_ROUNDING_IBM128_LIBGCC),
118 TEST_fl_f (scalbln, min_value, -0x88000000L, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),
119 TEST_fl_f (scalbln, min_value / 4, 0x88000000L, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW|XFAIL_ROUNDING_IBM128_LIBGCC),
120 TEST_fl_f (scalbln, min_value / 4, -0x88000000L, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),
121 TEST_fl_f (scalbln, min_subnorm_value, 0x88000000L, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW|XFAIL_ROUNDING_IBM128_LIBGCC),
122 TEST_fl_f (scalbln, min_subnorm_value, -0x88000000L, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),
124 TEST_fl_f (scalbln, -1, 0x88000000L, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW|XFAIL_ROUNDING_IBM128_LIBGCC),
125 TEST_fl_f (scalbln, -1, -0x88000000L, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW),
126 TEST_fl_f (scalbln, -max_value, 0x88000000L, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW|XFAIL_ROUNDING_IBM128_LIBGCC),
127 TEST_fl_f (scalbln, -max_value, -0x88000000L, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW),
128 TEST_fl_f (scalbln, -min_value, 0x88000000L, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW|XFAIL_ROUNDING_IBM128_LIBGCC),
129 TEST_fl_f (scalbln, -min_value, -0x88000000L, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW),
130 TEST_fl_f (scalbln, -min_value / 4, 0x88000000L, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW|XFAIL_ROUNDING_IBM128_LIBGCC),
131 TEST_fl_f (scalbln, -min_value / 4, -0x88000000L, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW),
132 TEST_fl_f (scalbln, -min_subnorm_value, 0x88000000L, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW|XFAIL_ROUNDING_IBM128_LIBGCC),
133 TEST_fl_f (scalbln, -min_subnorm_value, -0x88000000L, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW),
140 ALL_RM_TEST (scalbln, 1, scalbln_test_data, RUN_TEST_LOOP_fl_f, END);