ffssi2_test.zig (10652B) - Raw
1 const ffs = @import("count0bits.zig"); 2 const testing = @import("std").testing; 3 4 fn test__ffssi2(a: u32, expected: i32) !void { 5 const x = @as(i32, @bitCast(a)); 6 const result = ffs.__ffssi2(x); 7 try testing.expectEqual(expected, result); 8 } 9 10 test "ffssi2" { 11 try test__ffssi2(0x00000001, 1); 12 try test__ffssi2(0x00000002, 2); 13 try test__ffssi2(0x00000003, 1); 14 try test__ffssi2(0x00000004, 3); 15 try test__ffssi2(0x00000005, 1); 16 try test__ffssi2(0x00000006, 2); 17 try test__ffssi2(0x00000007, 1); 18 try test__ffssi2(0x00000008, 4); 19 try test__ffssi2(0x00000009, 1); 20 try test__ffssi2(0x0000000A, 2); 21 try test__ffssi2(0x0000000B, 1); 22 try test__ffssi2(0x0000000C, 3); 23 try test__ffssi2(0x0000000D, 1); 24 try test__ffssi2(0x0000000E, 2); 25 try test__ffssi2(0x0000000F, 1); 26 try test__ffssi2(0x00000010, 5); 27 try test__ffssi2(0x00000011, 1); 28 try test__ffssi2(0x00000012, 2); 29 try test__ffssi2(0x00000013, 1); 30 try test__ffssi2(0x00000014, 3); 31 try test__ffssi2(0x00000015, 1); 32 try test__ffssi2(0x00000016, 2); 33 try test__ffssi2(0x00000017, 1); 34 try test__ffssi2(0x00000018, 4); 35 try test__ffssi2(0x00000019, 1); 36 try test__ffssi2(0x0000001A, 2); 37 try test__ffssi2(0x0000001B, 1); 38 try test__ffssi2(0x0000001C, 3); 39 try test__ffssi2(0x0000001D, 1); 40 try test__ffssi2(0x0000001E, 2); 41 try test__ffssi2(0x0000001F, 1); 42 try test__ffssi2(0x00000020, 6); 43 try test__ffssi2(0x00000021, 1); 44 try test__ffssi2(0x00000022, 2); 45 try test__ffssi2(0x00000023, 1); 46 try test__ffssi2(0x00000024, 3); 47 try test__ffssi2(0x00000025, 1); 48 try test__ffssi2(0x00000026, 2); 49 try test__ffssi2(0x00000027, 1); 50 try test__ffssi2(0x00000028, 4); 51 try test__ffssi2(0x00000029, 1); 52 try test__ffssi2(0x0000002A, 2); 53 try test__ffssi2(0x0000002B, 1); 54 try test__ffssi2(0x0000002C, 3); 55 try test__ffssi2(0x0000002D, 1); 56 try test__ffssi2(0x0000002E, 2); 57 try test__ffssi2(0x0000002F, 1); 58 try test__ffssi2(0x00000030, 5); 59 try test__ffssi2(0x00000031, 1); 60 try test__ffssi2(0x00000032, 2); 61 try test__ffssi2(0x00000033, 1); 62 try test__ffssi2(0x00000034, 3); 63 try test__ffssi2(0x00000035, 1); 64 try test__ffssi2(0x00000036, 2); 65 try test__ffssi2(0x00000037, 1); 66 try test__ffssi2(0x00000038, 4); 67 try test__ffssi2(0x00000039, 1); 68 try test__ffssi2(0x0000003A, 2); 69 try test__ffssi2(0x0000003B, 1); 70 try test__ffssi2(0x0000003C, 3); 71 try test__ffssi2(0x0000003D, 1); 72 try test__ffssi2(0x0000003E, 2); 73 try test__ffssi2(0x0000003F, 1); 74 try test__ffssi2(0x00000040, 7); 75 try test__ffssi2(0x00000041, 1); 76 try test__ffssi2(0x00000042, 2); 77 try test__ffssi2(0x00000043, 1); 78 try test__ffssi2(0x00000044, 3); 79 try test__ffssi2(0x00000045, 1); 80 try test__ffssi2(0x00000046, 2); 81 try test__ffssi2(0x00000047, 1); 82 try test__ffssi2(0x00000048, 4); 83 try test__ffssi2(0x00000049, 1); 84 try test__ffssi2(0x0000004A, 2); 85 try test__ffssi2(0x0000004B, 1); 86 try test__ffssi2(0x0000004C, 3); 87 try test__ffssi2(0x0000004D, 1); 88 try test__ffssi2(0x0000004E, 2); 89 try test__ffssi2(0x0000004F, 1); 90 try test__ffssi2(0x00000050, 5); 91 try test__ffssi2(0x00000051, 1); 92 try test__ffssi2(0x00000052, 2); 93 try test__ffssi2(0x00000053, 1); 94 try test__ffssi2(0x00000054, 3); 95 try test__ffssi2(0x00000055, 1); 96 try test__ffssi2(0x00000056, 2); 97 try test__ffssi2(0x00000057, 1); 98 try test__ffssi2(0x00000058, 4); 99 try test__ffssi2(0x00000059, 1); 100 try test__ffssi2(0x0000005A, 2); 101 try test__ffssi2(0x0000005B, 1); 102 try test__ffssi2(0x0000005C, 3); 103 try test__ffssi2(0x0000005D, 1); 104 try test__ffssi2(0x0000005E, 2); 105 try test__ffssi2(0x0000005F, 1); 106 try test__ffssi2(0x00000060, 6); 107 try test__ffssi2(0x00000061, 1); 108 try test__ffssi2(0x00000062, 2); 109 try test__ffssi2(0x00000063, 1); 110 try test__ffssi2(0x00000064, 3); 111 try test__ffssi2(0x00000065, 1); 112 try test__ffssi2(0x00000066, 2); 113 try test__ffssi2(0x00000067, 1); 114 try test__ffssi2(0x00000068, 4); 115 try test__ffssi2(0x00000069, 1); 116 try test__ffssi2(0x0000006A, 2); 117 try test__ffssi2(0x0000006B, 1); 118 try test__ffssi2(0x0000006C, 3); 119 try test__ffssi2(0x0000006D, 1); 120 try test__ffssi2(0x0000006E, 2); 121 try test__ffssi2(0x0000006F, 1); 122 try test__ffssi2(0x00000070, 5); 123 try test__ffssi2(0x00000071, 1); 124 try test__ffssi2(0x00000072, 2); 125 try test__ffssi2(0x00000073, 1); 126 try test__ffssi2(0x00000074, 3); 127 try test__ffssi2(0x00000075, 1); 128 try test__ffssi2(0x00000076, 2); 129 try test__ffssi2(0x00000077, 1); 130 try test__ffssi2(0x00000078, 4); 131 try test__ffssi2(0x00000079, 1); 132 try test__ffssi2(0x0000007A, 2); 133 try test__ffssi2(0x0000007B, 1); 134 try test__ffssi2(0x0000007C, 3); 135 try test__ffssi2(0x0000007D, 1); 136 try test__ffssi2(0x0000007E, 2); 137 try test__ffssi2(0x0000007F, 1); 138 try test__ffssi2(0x00000080, 8); 139 try test__ffssi2(0x00000081, 1); 140 try test__ffssi2(0x00000082, 2); 141 try test__ffssi2(0x00000083, 1); 142 try test__ffssi2(0x00000084, 3); 143 try test__ffssi2(0x00000085, 1); 144 try test__ffssi2(0x00000086, 2); 145 try test__ffssi2(0x00000087, 1); 146 try test__ffssi2(0x00000088, 4); 147 try test__ffssi2(0x00000089, 1); 148 try test__ffssi2(0x0000008A, 2); 149 try test__ffssi2(0x0000008B, 1); 150 try test__ffssi2(0x0000008C, 3); 151 try test__ffssi2(0x0000008D, 1); 152 try test__ffssi2(0x0000008E, 2); 153 try test__ffssi2(0x0000008F, 1); 154 try test__ffssi2(0x00000090, 5); 155 try test__ffssi2(0x00000091, 1); 156 try test__ffssi2(0x00000092, 2); 157 try test__ffssi2(0x00000093, 1); 158 try test__ffssi2(0x00000094, 3); 159 try test__ffssi2(0x00000095, 1); 160 try test__ffssi2(0x00000096, 2); 161 try test__ffssi2(0x00000097, 1); 162 try test__ffssi2(0x00000098, 4); 163 try test__ffssi2(0x00000099, 1); 164 try test__ffssi2(0x0000009A, 2); 165 try test__ffssi2(0x0000009B, 1); 166 try test__ffssi2(0x0000009C, 3); 167 try test__ffssi2(0x0000009D, 1); 168 try test__ffssi2(0x0000009E, 2); 169 try test__ffssi2(0x0000009F, 1); 170 try test__ffssi2(0x000000A0, 6); 171 try test__ffssi2(0x000000A1, 1); 172 try test__ffssi2(0x000000A2, 2); 173 try test__ffssi2(0x000000A3, 1); 174 try test__ffssi2(0x000000A4, 3); 175 try test__ffssi2(0x000000A5, 1); 176 try test__ffssi2(0x000000A6, 2); 177 try test__ffssi2(0x000000A7, 1); 178 try test__ffssi2(0x000000A8, 4); 179 try test__ffssi2(0x000000A9, 1); 180 try test__ffssi2(0x000000AA, 2); 181 try test__ffssi2(0x000000AB, 1); 182 try test__ffssi2(0x000000AC, 3); 183 try test__ffssi2(0x000000AD, 1); 184 try test__ffssi2(0x000000AE, 2); 185 try test__ffssi2(0x000000AF, 1); 186 try test__ffssi2(0x000000B0, 5); 187 try test__ffssi2(0x000000B1, 1); 188 try test__ffssi2(0x000000B2, 2); 189 try test__ffssi2(0x000000B3, 1); 190 try test__ffssi2(0x000000B4, 3); 191 try test__ffssi2(0x000000B5, 1); 192 try test__ffssi2(0x000000B6, 2); 193 try test__ffssi2(0x000000B7, 1); 194 try test__ffssi2(0x000000B8, 4); 195 try test__ffssi2(0x000000B9, 1); 196 try test__ffssi2(0x000000BA, 2); 197 try test__ffssi2(0x000000BB, 1); 198 try test__ffssi2(0x000000BC, 3); 199 try test__ffssi2(0x000000BD, 1); 200 try test__ffssi2(0x000000BE, 2); 201 try test__ffssi2(0x000000BF, 1); 202 try test__ffssi2(0x000000C0, 7); 203 try test__ffssi2(0x000000C1, 1); 204 try test__ffssi2(0x000000C2, 2); 205 try test__ffssi2(0x000000C3, 1); 206 try test__ffssi2(0x000000C4, 3); 207 try test__ffssi2(0x000000C5, 1); 208 try test__ffssi2(0x000000C6, 2); 209 try test__ffssi2(0x000000C7, 1); 210 try test__ffssi2(0x000000C8, 4); 211 try test__ffssi2(0x000000C9, 1); 212 try test__ffssi2(0x000000CA, 2); 213 try test__ffssi2(0x000000CB, 1); 214 try test__ffssi2(0x000000CC, 3); 215 try test__ffssi2(0x000000CD, 1); 216 try test__ffssi2(0x000000CE, 2); 217 try test__ffssi2(0x000000CF, 1); 218 try test__ffssi2(0x000000D0, 5); 219 try test__ffssi2(0x000000D1, 1); 220 try test__ffssi2(0x000000D2, 2); 221 try test__ffssi2(0x000000D3, 1); 222 try test__ffssi2(0x000000D4, 3); 223 try test__ffssi2(0x000000D5, 1); 224 try test__ffssi2(0x000000D6, 2); 225 try test__ffssi2(0x000000D7, 1); 226 try test__ffssi2(0x000000D8, 4); 227 try test__ffssi2(0x000000D9, 1); 228 try test__ffssi2(0x000000DA, 2); 229 try test__ffssi2(0x000000DB, 1); 230 try test__ffssi2(0x000000DC, 3); 231 try test__ffssi2(0x000000DD, 1); 232 try test__ffssi2(0x000000DE, 2); 233 try test__ffssi2(0x000000DF, 1); 234 try test__ffssi2(0x000000E0, 6); 235 try test__ffssi2(0x000000E1, 1); 236 try test__ffssi2(0x000000E2, 2); 237 try test__ffssi2(0x000000E3, 1); 238 try test__ffssi2(0x000000E4, 3); 239 try test__ffssi2(0x000000E5, 1); 240 try test__ffssi2(0x000000E6, 2); 241 try test__ffssi2(0x000000E7, 1); 242 try test__ffssi2(0x000000E8, 4); 243 try test__ffssi2(0x000000E9, 1); 244 try test__ffssi2(0x000000EA, 2); 245 try test__ffssi2(0x000000EB, 1); 246 try test__ffssi2(0x000000EC, 3); 247 try test__ffssi2(0x000000ED, 1); 248 try test__ffssi2(0x000000EE, 2); 249 try test__ffssi2(0x000000EF, 1); 250 try test__ffssi2(0x000000F0, 5); 251 try test__ffssi2(0x000000F1, 1); 252 try test__ffssi2(0x000000F2, 2); 253 try test__ffssi2(0x000000F3, 1); 254 try test__ffssi2(0x000000F4, 3); 255 try test__ffssi2(0x000000F5, 1); 256 try test__ffssi2(0x000000F6, 2); 257 try test__ffssi2(0x000000F7, 1); 258 try test__ffssi2(0x000000F8, 4); 259 try test__ffssi2(0x000000F9, 1); 260 try test__ffssi2(0x000000FA, 2); 261 try test__ffssi2(0x000000FB, 1); 262 try test__ffssi2(0x000000FC, 3); 263 try test__ffssi2(0x000000FD, 1); 264 try test__ffssi2(0x000000FE, 2); 265 try test__ffssi2(0x000000FF, 1); 266 267 try test__ffssi2(0x00000000, 0); 268 try test__ffssi2(0x80000000, 32); 269 try test__ffssi2(0x40000000, 31); 270 try test__ffssi2(0x20000000, 30); 271 try test__ffssi2(0x10000000, 29); 272 try test__ffssi2(0x08000000, 28); 273 try test__ffssi2(0x04000000, 27); 274 try test__ffssi2(0x02000000, 26); 275 try test__ffssi2(0x01000000, 25); 276 try test__ffssi2(0x00800000, 24); 277 try test__ffssi2(0x00400000, 23); 278 try test__ffssi2(0x00200000, 22); 279 try test__ffssi2(0x00100000, 21); 280 try test__ffssi2(0x00080000, 20); 281 try test__ffssi2(0x00040000, 19); 282 try test__ffssi2(0x00020000, 18); 283 try test__ffssi2(0x00010000, 17); 284 try test__ffssi2(0x00008000, 16); 285 try test__ffssi2(0x00004000, 15); 286 try test__ffssi2(0x00002000, 14); 287 try test__ffssi2(0x00001000, 13); 288 try test__ffssi2(0x00000800, 12); 289 try test__ffssi2(0x00000400, 11); 290 try test__ffssi2(0x00000200, 10); 291 try test__ffssi2(0x00000100, 9); 292 }