1/* Test scalb. 2 Copyright (C) 1997-2021 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 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. 9 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. 14 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/>. */ 18 19#include "libm-test-driver.c" 20 21static const struct test_ff_f_data scalb_test_data[] = 22 { 23#if !TEST_FLOATN 24 /* Results in this case are unspecified by POSIX, so, for an 25 otherwise fully-determined function, spurious "inexact" 26 exceptions are OK. */ 27 TEST_ff_f (scalb, 2.0, 0.5, qnan_value, INVALID_EXCEPTION|ERRNO_EDOM), 28 TEST_ff_f (scalb, 3.0, -2.5, qnan_value, INVALID_EXCEPTION|ERRNO_EDOM), 29 30 TEST_ff_f (scalb, 0, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 31 TEST_ff_f (scalb, 0, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 32 TEST_ff_f (scalb, 1, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 33 TEST_ff_f (scalb, 1, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 34 TEST_ff_f (scalb, 0, snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), 35 TEST_ff_f (scalb, 0, -snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), 36 TEST_ff_f (scalb, 1, snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), 37 TEST_ff_f (scalb, 1, -snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), 38 39 TEST_ff_f (scalb, 1, 0, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 40 TEST_ff_f (scalb, -1, 0, -1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 41 42 TEST_ff_f (scalb, 0, plus_infty, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), 43 TEST_ff_f (scalb, minus_zero, plus_infty, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), 44 45 TEST_ff_f (scalb, 0, 2, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 46 TEST_ff_f (scalb, minus_zero, -4, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 47 TEST_ff_f (scalb, 0, 0, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 48 TEST_ff_f (scalb, minus_zero, 0, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 49 TEST_ff_f (scalb, 0, -1, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 50 TEST_ff_f (scalb, minus_zero, -10, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 51 TEST_ff_f (scalb, 0, minus_infty, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 52 TEST_ff_f (scalb, minus_zero, minus_infty, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 53 54 TEST_ff_f (scalb, plus_infty, -1, plus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 55 TEST_ff_f (scalb, minus_infty, -10, minus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 56 TEST_ff_f (scalb, plus_infty, 0, plus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 57 TEST_ff_f (scalb, minus_infty, 0, minus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 58 TEST_ff_f (scalb, plus_infty, 2, plus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 59 TEST_ff_f (scalb, minus_infty, 100, minus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 60 61 TEST_ff_f (scalb, 0.1L, minus_infty, 0.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 62 TEST_ff_f (scalb, -0.1L, minus_infty, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 63 64 TEST_ff_f (scalb, 1, plus_infty, plus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 65 TEST_ff_f (scalb, -1, plus_infty, minus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 66 TEST_ff_f (scalb, plus_infty, plus_infty, plus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 67 TEST_ff_f (scalb, minus_infty, plus_infty, minus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 68 69 TEST_ff_f (scalb, plus_infty, minus_infty, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), 70 TEST_ff_f (scalb, minus_infty, minus_infty, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), 71 72 TEST_ff_f (scalb, qnan_value, 1, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 73 TEST_ff_f (scalb, -qnan_value, 1, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 74 TEST_ff_f (scalb, snan_value, 1, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), 75 TEST_ff_f (scalb, -snan_value, 1, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), 76 TEST_ff_f (scalb, 1, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 77 TEST_ff_f (scalb, 1, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 78 TEST_ff_f (scalb, 1, snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), 79 TEST_ff_f (scalb, 1, -snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), 80 TEST_ff_f (scalb, qnan_value, 0.5, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 81 TEST_ff_f (scalb, -qnan_value, 0.5, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 82 TEST_ff_f (scalb, snan_value, 0.5, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), 83 TEST_ff_f (scalb, -snan_value, 0.5, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), 84 TEST_ff_f (scalb, 0.5, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 85 TEST_ff_f (scalb, 0.5, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 86 TEST_ff_f (scalb, 0.5, snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), 87 TEST_ff_f (scalb, 0.5, -snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), 88 TEST_ff_f (scalb, qnan_value, 0, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 89 TEST_ff_f (scalb, -qnan_value, 0, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 90 TEST_ff_f (scalb, snan_value, 0, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), 91 TEST_ff_f (scalb, -snan_value, 0, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), 92 TEST_ff_f (scalb, 0, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 93 TEST_ff_f (scalb, 0, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 94 TEST_ff_f (scalb, 0, snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), 95 TEST_ff_f (scalb, 0, -snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), 96 TEST_ff_f (scalb, qnan_value, plus_infty, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 97 TEST_ff_f (scalb, -qnan_value, plus_infty, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 98 TEST_ff_f (scalb, snan_value, plus_infty, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), 99 TEST_ff_f (scalb, -snan_value, plus_infty, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), 100 TEST_ff_f (scalb, plus_infty, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 101 TEST_ff_f (scalb, plus_infty, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 102 TEST_ff_f (scalb, plus_infty, snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), 103 TEST_ff_f (scalb, plus_infty, -snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), 104 TEST_ff_f (scalb, qnan_value, minus_infty, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 105 TEST_ff_f (scalb, -qnan_value, minus_infty, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 106 TEST_ff_f (scalb, snan_value, minus_infty, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), 107 TEST_ff_f (scalb, -snan_value, minus_infty, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), 108 TEST_ff_f (scalb, minus_infty, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 109 TEST_ff_f (scalb, minus_infty, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 110 TEST_ff_f (scalb, minus_infty, snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), 111 TEST_ff_f (scalb, minus_infty, -snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), 112 TEST_ff_f (scalb, qnan_value, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 113 TEST_ff_f (scalb, qnan_value, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 114 TEST_ff_f (scalb, -qnan_value, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 115 TEST_ff_f (scalb, -qnan_value, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 116 TEST_ff_f (scalb, snan_value, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), 117 TEST_ff_f (scalb, snan_value, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), 118 TEST_ff_f (scalb, -snan_value, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), 119 TEST_ff_f (scalb, -snan_value, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), 120 TEST_ff_f (scalb, qnan_value, snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), 121 TEST_ff_f (scalb, qnan_value, -snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), 122 TEST_ff_f (scalb, -qnan_value, snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), 123 TEST_ff_f (scalb, -qnan_value, -snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), 124 TEST_ff_f (scalb, snan_value, snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), 125 TEST_ff_f (scalb, snan_value, -snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), 126 TEST_ff_f (scalb, -snan_value, snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), 127 TEST_ff_f (scalb, -snan_value, -snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), 128 129 TEST_ff_f (scalb, max_value, max_value, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW|XFAIL_ROUNDING_IBM128_LIBGCC), 130 TEST_ff_f (scalb, max_value, -max_value, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW), 131 TEST_ff_f (scalb, 1, max_value, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW|XFAIL_ROUNDING_IBM128_LIBGCC), 132 TEST_ff_f (scalb, 1, -max_value, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW), 133 TEST_ff_f (scalb, min_value, max_value, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW|XFAIL_ROUNDING_IBM128_LIBGCC), 134 TEST_ff_f (scalb, min_value, -max_value, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW), 135 TEST_ff_f (scalb, min_subnorm_value, max_value, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW|XFAIL_ROUNDING_IBM128_LIBGCC), 136 TEST_ff_f (scalb, min_subnorm_value, -max_value, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW), 137 TEST_ff_f (scalb, -max_value, max_value, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW|XFAIL_ROUNDING_IBM128_LIBGCC), 138 TEST_ff_f (scalb, -max_value, -max_value, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW), 139 TEST_ff_f (scalb, -1, max_value, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW|XFAIL_ROUNDING_IBM128_LIBGCC), 140 TEST_ff_f (scalb, -1, -max_value, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW), 141 TEST_ff_f (scalb, -min_value, max_value, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW|XFAIL_ROUNDING_IBM128_LIBGCC), 142 TEST_ff_f (scalb, -min_value, -max_value, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW), 143 TEST_ff_f (scalb, -min_subnorm_value, max_value, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW|XFAIL_ROUNDING_IBM128_LIBGCC), 144 TEST_ff_f (scalb, -min_subnorm_value, -max_value, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW), 145 146 TEST_ff_f (scalb, 0.8L, 4, 12.8L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 147 TEST_ff_f (scalb, -0.854375L, 5, -27.34L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), 148#endif 149 }; 150 151static void 152scalb_test (void) 153{ 154#if !TEST_FLOATN 155 ALL_RM_TEST (scalb, 1, scalb_test_data, RUN_TEST_LOOP_ff_f, END); 156#endif 157} 158 159static void 160do_test (void) 161{ 162 scalb_test (); 163} 164 165/* 166 * Local Variables: 167 * mode:c 168 * End: 169 */ 170