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annotate test/integer.tst @ 31214:19bd1953fc1d stable

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GitHub-CI: Remove ubuntu-18.04 runners from build matrix. * .github/workflow/make.yaml (ubuntu): GitHub-hosted runners for ubuntu-18.04 are being deprecated. Remove them from build matrix. See also: https://github.com/actions/runner-images/issues/6002
author Markus Mützel <markus.muetzel@gmx.de>
date Tue, 30 Aug 2022 11:16:27 +0200
parents 796f54d4ddbf
children 597f3ee61a48
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1 ########################################################################
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2 ##
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3 ## Copyright (C) 2018-2022 The Octave Project Developers
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4 ##
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5 ## See the file COPYRIGHT.md in the top-level directory of this
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6 ## distribution or <https://octave.org/copyright/>.
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7 ##
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8 ## This file is part of Octave.
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9 ##
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10 ## Octave is free software: you can redistribute it and/or modify it
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11 ## under the terms of the GNU General Public License as published by
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12 ## the Free Software Foundation, either version 3 of the License, or
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13 ## (at your option) any later version.
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14 ##
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15 ## Octave is distributed in the hope that it will be useful, but
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16 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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17 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 ## GNU General Public License for more details.
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19 ##
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20 ## You should have received a copy of the GNU General Public License
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21 ## along with Octave; see the file COPYING. If not, see
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22 ## <https://www.gnu.org/licenses/>.
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23 ##
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24 ########################################################################
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25
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26 ## Test saturation mechanics of lower bound
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27 %!test
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28 %! for cls = {"int8", "uint8", "int16", "uint16", "int32", "uint32", "int64", "uint64"}
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29 %! clsmin = intmin (cls{1});
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30 %! xplus = clsmin + (-1);
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31 %! assert (xplus, clsmin);
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32 %! xminus = clsmin -1;
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33 %! assert (xminus, clsmin);
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34 %! xmult = clsmin * 2;
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35 %! assert (xmult, clsmin);
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36 %! xdiv = clsmin / 0.5;
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37 %! assert (xdiv, clsmin);
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38 %! endfor
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39
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40 ## Test saturation mechanics of upper bound
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41 %!test
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42 %! for cls = {"int8", "uint8", "int16", "uint16", "int32", "uint32", "int64", "uint64"}
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43 %! clsmax = intmax (cls{1});
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44 %! xplus = clsmax + 1;
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45 %! assert (xplus, clsmax);
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46 %! xminus = clsmax - (-1);
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47 %! assert (xminus, clsmax);
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48 %! xmult = clsmax * 2;
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49 %! assert (xmult, clsmax);
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50 %! xdiv = clsmax / 0.5;
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51 %! assert (xdiv, clsmax);
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52 %! endfor
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53
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54 ## Tests for binary constants
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55 %!assert (0b1, uint8 (2^0))
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56 %!assert (0b10000000, uint8 (2^7))
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57 %!assert (0b11111111, intmax ("uint8"))
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58 %!assert (0b100000000, uint16 (2^8))
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59 %!assert (0b1000000000000000, uint16 (2^15))
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60 %!assert (0b1111111111111111, intmax ("uint16"))
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61 %!assert (0b10000000000000000, uint32 (2^16))
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62 %!assert (0b10000000000000000000000000000000, uint32 (2^31))
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63 %!assert (0b11111111111111111111111111111111, intmax ("uint32"))
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64 %!assert (0b100000000000000000000000000000000, uint64 (2^32))
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65 %!assert (0b1000000000000000000000000000000000000000000000000000000000000000, uint64 (2^63))
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66 %!assert (0b1111111111111111111111111111111111111111111111111111111111111111, intmax ("uint64"))
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67 %!error <too many digits for binary constant> eval ("0b11111111111111111111111111111111111111111111111111111111111111111")
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68
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69 %!assert (0b1u16, uint16 (2^0))
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70 %!assert (0b10000000u16, uint16 (2^7))
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71
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72 %!assert (0b1u32, uint32 (2^0))
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73 %!assert (0b10000000u32, uint32 (2^7))
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74 %!assert (0b1000000000000000u32, uint32 (2^15))
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75
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76 %!assert (0b1u64, uint64 (2^0))
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77 %!assert (0b10000000u64, uint64 (2^7))
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78 %!assert (0b1000000000000000u64, uint64 (2^15))
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79 %!assert (0b10000000000000000000000000000000u64, uint64 (2^31))
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80
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81 %!assert (0b1s16, int16 (2^0))
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82 %!assert (0b10000000s16, int16 (2^7))
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83
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84 %!assert (0b1s32, int32 (2^0))
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85 %!assert (0b10000000s32, int32 (2^7))
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86 %!assert (0b1000000000000000s32, int32 (2^15))
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87
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88 %!assert (0b1s64, int64 (2^0))
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89 %!assert (0b10000000s64, int64 (2^7))
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90 %!assert (0b1000000000000000s64, int64 (2^15))
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91 %!assert (0b10000000000000000000000000000000s64, int64 (2^31))
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92
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93 ## Tests for hexadecimal constants
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94 %!assert (0x1, uint8 (2^0))
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95 %!assert (0x80, uint8 (2^7))
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96 %!assert (0xff, intmax ("uint8"))
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97 %!assert (0x100, uint16 (2^8))
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98 %!assert (0x8000, uint16 (2^15))
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99 %!assert (0xffff, intmax ("uint16"))
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100 %!assert (0x10000, uint32 (2^16))
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101 %!assert (0x80000000, uint32 (2^31))
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102 %!assert (0xffffffff, intmax ("uint32"))
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103 %!assert (0x100000000, uint64 (2^32))
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104 %!assert (0x8000000000000000, uint64 (2^63))
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105 %!assert (0xffffffffffffffff, intmax ("uint64"))
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106 %!error <too many digits for hexadecimal constant> eval ("0xfffffffffffffffff")
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107
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108 %!assert (0x1u16, uint16 (2^0))
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109 %!assert (0x80u16, uint16 (2^7))
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111 %!assert (0x1u32, uint32 (2^0))
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112 %!assert (0x80u32, uint32 (2^7))
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113 %!assert (0x8000u32, uint32 (2^15))
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114
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115 %!assert (0x1u64, uint64 (2^0))
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116 %!assert (0x80u64, uint64 (2^7))
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117 %!assert (0x8000u64, uint64 (2^15))
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118 %!assert (0x80000000u64, uint64 (2^31))
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119
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120 %!assert (0x1s16, int16 (2^0))
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121 %!assert (0x80s16, int16 (2^7))
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123 %!assert (0x1s32, int32 (2^0))
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124 %!assert (0x80s32, int32 (2^7))
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125 %!assert (0x8000s32, int32 (2^15))
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126
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127 %!assert (0x1s64, int64 (2^0))
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128 %!assert (0x80s64, int64 (2^7))
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129 %!assert (0x8000s64, int64 (2^15))
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130 %!assert (0x80000000s64, int64 (2^31))
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131
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132 ## Tests for decimal constants with extreme values
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133
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134 %!assert (uint64 (9007199254740992), uint64 (flintmax ()))
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135 %!assert (int64 (9007199254740992), int64 (flintmax ()))
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136 %!assert (uint64 (-9007199254740992), uint64 (-flintmax ()))
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137 %!assert (int64 (-9007199254740992), int64 (-flintmax ()))
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138
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139 %!assert (uint64 (9007199254740993), uint64 (flintmax ())+1)
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140 %!assert (int64 (9007199254740993), int64 (flintmax ())+1)
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141 %!assert (uint64 (-9007199254740993), uint64 (-flintmax ())-1)
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142 %!assert (int64 (-9007199254740993), int64 (-flintmax ())-1)
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143
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144 %!assert (uint64 (18446744073709551615), intmax ("uint64"))
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145
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146 %!assert (int64 (9223372036854775807), intmax ("int64"))
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147 %!assert (int64 (-9223372036854775808), intmin ("int64"))
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148
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149 %!test
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150 %! a = int64 ([9223372036854775803; 9223372036854775804; 9223372036854775805; 9223372036854775806; 9223372036854775807]);
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151 %! bval = int64 (9223372036854775807);
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152 %! b = [bval; bval; bval; bval; bval];
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153 %! assert (a, b);
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154
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155 %!test
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156 %! a = int64 ([int64(9223372036854775803); 9223372036854775804; 9223372036854775805; 9223372036854775806; 9223372036854775807]);
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157 %! b0val = int64 (9223372036854775803);
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158 %! bval = int64 (9223372036854775807);
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159 %! b = [b0val; bval; bval; bval; bval];
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160 %! assert (a, b);