udivmodsi4_test.zig (8599B) - Raw
1 // Disable formatting to avoid unnecessary source repository bloat. 2 // zig fmt: off 3 const testing = @import("std").testing; 4 const builtin = @import("builtin"); 5 const __udivmodsi4 = @import("int.zig").__udivmodsi4; 6 7 fn test__udivmodsi4(a: u32, b: u32, expected_q: u32, expected_r: u32) !void { 8 var r: u32 = undefined; 9 const q = __udivmodsi4(a, b, &r); 10 try testing.expectEqual(expected_q, q); 11 try testing.expectEqual(expected_r, r); 12 } 13 14 test "udivmodsi4" { 15 for (cases) |case| { 16 try test__udivmodsi4(case[0], case[1], case[2], case[3]); 17 } 18 } 19 20 const cases = [_][4]u32{ 21 [_]u32{0x00000000, 0x00000001, 0x00000000, 0x00000000}, 22 [_]u32{0x00000000, 0x00000002, 0x00000000, 0x00000000}, 23 [_]u32{0x00000000, 0x00000003, 0x00000000, 0x00000000}, 24 [_]u32{0x00000000, 0x00000010, 0x00000000, 0x00000000}, 25 [_]u32{0x00000000, 0x078644FA, 0x00000000, 0x00000000}, 26 [_]u32{0x00000000, 0x0747AE14, 0x00000000, 0x00000000}, 27 [_]u32{0x00000000, 0x7FFFFFFF, 0x00000000, 0x00000000}, 28 [_]u32{0x00000000, 0x80000000, 0x00000000, 0x00000000}, 29 [_]u32{0x00000000, 0xFFFFFFFD, 0x00000000, 0x00000000}, 30 [_]u32{0x00000000, 0xFFFFFFFE, 0x00000000, 0x00000000}, 31 [_]u32{0x00000000, 0xFFFFFFFF, 0x00000000, 0x00000000}, 32 [_]u32{0x00000001, 0x00000001, 0x00000001, 0x00000000}, // 1/1 => q=1, r=0 33 [_]u32{0x00000001, 0x00000002, 0x00000000, 0x00000001}, 34 [_]u32{0x00000001, 0x00000003, 0x00000000, 0x00000001}, 35 [_]u32{0x00000001, 0x00000010, 0x00000000, 0x00000001}, 36 [_]u32{0x00000001, 0x078644FA, 0x00000000, 0x00000001}, 37 [_]u32{0x00000001, 0x0747AE14, 0x00000000, 0x00000001}, 38 [_]u32{0x00000001, 0x7FFFFFFF, 0x00000000, 0x00000001}, 39 [_]u32{0x00000001, 0x80000000, 0x00000000, 0x00000001}, 40 [_]u32{0x00000001, 0xFFFFFFFD, 0x00000000, 0x00000001}, 41 [_]u32{0x00000001, 0xFFFFFFFE, 0x00000000, 0x00000001}, 42 [_]u32{0x00000001, 0xFFFFFFFF, 0x00000000, 0x00000001}, 43 [_]u32{0x00000001, 0x00000000, 0x00000000, 0x00000001}, 44 [_]u32{0x00000001, 0x00000001, 0x00000001, 0x00000000}, 45 [_]u32{0x00000001, 0x00000002, 0x00000000, 0x00000001}, 46 [_]u32{0x00000001, 0x00000003, 0x00000000, 0x00000001}, 47 [_]u32{0x00000001, 0x00000010, 0x00000000, 0x00000001}, 48 [_]u32{0x00000001, 0x078644FA, 0x00000000, 0x00000001}, 49 [_]u32{0x00000001, 0x0747AE14, 0x00000000, 0x00000001}, 50 [_]u32{0x00000001, 0x7FFFFFFF, 0x00000000, 0x00000001}, 51 [_]u32{0x00000001, 0x80000000, 0x00000000, 0x00000001}, 52 [_]u32{0x00000001, 0xFFFFFFFD, 0x00000000, 0x00000001}, 53 [_]u32{0x00000001, 0xFFFFFFFE, 0x00000000, 0x00000001}, 54 [_]u32{0x00000001, 0xFFFFFFFF, 0x00000000, 0x00000001}, 55 [_]u32{0x00000002, 0x00000001, 0x00000002, 0x00000000}, 56 [_]u32{0x00000002, 0x00000002, 0x00000001, 0x00000000}, 57 [_]u32{0x00000002, 0x00000003, 0x00000000, 0x00000002}, 58 [_]u32{0x00000002, 0x00000010, 0x00000000, 0x00000002}, 59 [_]u32{0x00000002, 0x078644FA, 0x00000000, 0x00000002}, 60 [_]u32{0x00000002, 0x0747AE14, 0x00000000, 0x00000002}, 61 [_]u32{0x00000002, 0x7FFFFFFF, 0x00000000, 0x00000002}, 62 [_]u32{0x00000002, 0x80000000, 0x00000000, 0x00000002}, 63 [_]u32{0x00000002, 0xFFFFFFFD, 0x00000000, 0x00000002}, 64 [_]u32{0x00000002, 0xFFFFFFFE, 0x00000000, 0x00000002}, 65 [_]u32{0x00000002, 0xFFFFFFFF, 0x00000000, 0x00000002}, 66 67 [_]u32{0x00000010, 0x00000001, 0x00000010, 0x00000000}, 68 [_]u32{0x00000010, 0x00000002, 0x00000008, 0x00000000}, 69 [_]u32{0x00000010, 0x00000003, 0x00000005, 0x00000001}, 70 [_]u32{0x00000010, 0x00000010, 0x00000001, 0x00000000}, 71 [_]u32{0x00000010, 0x078644FA, 0x00000000, 0x00000010}, 72 [_]u32{0x00000010, 0x0747AE14, 0x00000000, 0x00000010}, 73 [_]u32{0x00000010, 0x7FFFFFFF, 0x00000000, 0x00000010}, 74 [_]u32{0x00000010, 0x80000000, 0x00000000, 0x00000010}, 75 [_]u32{0x00000010, 0xFFFFFFFD, 0x00000000, 0x00000010}, 76 [_]u32{0x00000010, 0xFFFFFFFE, 0x00000000, 0x00000010}, 77 [_]u32{0x00000010, 0xFFFFFFFF, 0x00000000, 0x00000010}, 78 79 [_]u32{0x078644FA, 0x00000001, 0x078644FA, 0x00000000}, 80 [_]u32{0x078644FA, 0x00000002, 0x03C3227D, 0x00000000}, 81 [_]u32{0x078644FA, 0x00000003, 0x028216FE, 0x00000000}, 82 [_]u32{0x078644FA, 0x00000010, 0x0078644F, 0x0000000A}, 83 [_]u32{0x078644FA, 0x078644FA, 0x00000001, 0x00000000}, 84 [_]u32{0x078644FA, 0x0747AE14, 0x00000001, 0x003E96E6}, 85 [_]u32{0x078644FA, 0x7FFFFFFF, 0x00000000, 0x078644FA}, 86 [_]u32{0x078644FA, 0x80000000, 0x00000000, 0x078644FA}, 87 [_]u32{0x078644FA, 0xFFFFFFFD, 0x00000000, 0x078644FA}, 88 [_]u32{0x078644FA, 0xFFFFFFFE, 0x00000000, 0x078644FA}, 89 [_]u32{0x078644FA, 0xFFFFFFFF, 0x00000000, 0x078644FA}, 90 [_]u32{0x0747AE14, 0x00000001, 0x0747AE14, 0x00000000}, 91 [_]u32{0x0747AE14, 0x00000002, 0x03A3D70A, 0x00000000}, 92 [_]u32{0x0747AE14, 0x00000003, 0x026D3A06, 0x00000002}, 93 [_]u32{0x0747AE14, 0x00000010, 0x00747AE1, 0x00000004}, 94 [_]u32{0x0747AE14, 0x078644FA, 0x00000000, 0x0747AE14}, 95 [_]u32{0x0747AE14, 0x0747AE14, 0x00000001, 0x00000000}, 96 [_]u32{0x0747AE14, 0x7FFFFFFF, 0x00000000, 0x0747AE14}, 97 [_]u32{0x0747AE14, 0x80000000, 0x00000000, 0x0747AE14}, 98 [_]u32{0x0747AE14, 0xFFFFFFFD, 0x00000000, 0x0747AE14}, 99 [_]u32{0x0747AE14, 0xFFFFFFFE, 0x00000000, 0x0747AE14}, 100 [_]u32{0x0747AE14, 0xFFFFFFFF, 0x00000000, 0x0747AE14}, 101 [_]u32{0x7FFFFFFF, 0x00000001, 0x7FFFFFFF, 0x00000000}, 102 [_]u32{0x7FFFFFFF, 0x00000002, 0x3FFFFFFF, 0x00000001}, 103 [_]u32{0x7FFFFFFF, 0x00000003, 0x2AAAAAAA, 0x00000001}, 104 [_]u32{0x7FFFFFFF, 0x00000010, 0x07FFFFFF, 0x0000000F}, 105 [_]u32{0x7FFFFFFF, 0x078644FA, 0x00000011, 0x00156B65}, 106 [_]u32{0x7FFFFFFF, 0x0747AE14, 0x00000011, 0x043D70AB}, 107 [_]u32{0x7FFFFFFF, 0x7FFFFFFF, 0x00000001, 0x00000000}, 108 [_]u32{0x7FFFFFFF, 0x80000000, 0x00000000, 0x7FFFFFFF}, 109 [_]u32{0x7FFFFFFF, 0xFFFFFFFD, 0x00000000, 0x7FFFFFFF}, 110 [_]u32{0x7FFFFFFF, 0xFFFFFFFE, 0x00000000, 0x7FFFFFFF}, 111 [_]u32{0x7FFFFFFF, 0xFFFFFFFF, 0x00000000, 0x7FFFFFFF}, 112 [_]u32{0x80000000, 0x00000001, 0x80000000, 0x00000000}, 113 [_]u32{0x80000000, 0x00000002, 0x40000000, 0x00000000}, 114 [_]u32{0x80000000, 0x00000003, 0x2AAAAAAA, 0x00000002}, 115 [_]u32{0x80000000, 0x00000010, 0x08000000, 0x00000000}, 116 [_]u32{0x80000000, 0x078644FA, 0x00000011, 0x00156B66}, 117 [_]u32{0x80000000, 0x0747AE14, 0x00000011, 0x043D70AC}, 118 [_]u32{0x80000000, 0x7FFFFFFF, 0x00000001, 0x00000001}, 119 [_]u32{0x80000000, 0x80000000, 0x00000001, 0x00000000}, 120 [_]u32{0x80000000, 0xFFFFFFFD, 0x00000000, 0x80000000}, 121 [_]u32{0x80000000, 0xFFFFFFFE, 0x00000000, 0x80000000}, 122 [_]u32{0x80000000, 0xFFFFFFFF, 0x00000000, 0x80000000}, 123 [_]u32{0xFFFFFFFD, 0x00000001, 0xFFFFFFFD, 0x00000000}, 124 [_]u32{0xFFFFFFFD, 0x00000002, 0x7FFFFFFE, 0x00000001}, 125 [_]u32{0xFFFFFFFD, 0x00000003, 0x55555554, 0x00000001}, 126 [_]u32{0xFFFFFFFD, 0x00000010, 0x0FFFFFFF, 0x0000000D}, 127 [_]u32{0xFFFFFFFD, 0x078644FA, 0x00000022, 0x002AD6C9}, 128 [_]u32{0xFFFFFFFD, 0x0747AE14, 0x00000023, 0x01333341}, 129 [_]u32{0xFFFFFFFD, 0x7FFFFFFF, 0x00000001, 0x7FFFFFFE}, 130 [_]u32{0xFFFFFFFD, 0x80000000, 0x00000001, 0x7FFFFFFD}, 131 [_]u32{0xFFFFFFFD, 0xFFFFFFFD, 0x00000001, 0x00000000}, 132 [_]u32{0xFFFFFFFD, 0xFFFFFFFE, 0x00000000, 0xFFFFFFFD}, 133 [_]u32{0xFFFFFFFD, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFD}, 134 [_]u32{0xFFFFFFFE, 0x00000001, 0xFFFFFFFE, 0x00000000}, 135 [_]u32{0xFFFFFFFE, 0x00000002, 0x7FFFFFFF, 0x00000000}, 136 [_]u32{0xFFFFFFFE, 0x00000003, 0x55555554, 0x00000002}, 137 [_]u32{0xFFFFFFFE, 0x00000010, 0x0FFFFFFF, 0x0000000E}, 138 [_]u32{0xFFFFFFFE, 0x078644FA, 0x00000022, 0x002AD6CA}, 139 [_]u32{0xFFFFFFFE, 0x0747AE14, 0x00000023, 0x01333342}, 140 [_]u32{0xFFFFFFFE, 0x7FFFFFFF, 0x00000002, 0x00000000}, 141 [_]u32{0xFFFFFFFE, 0x80000000, 0x00000001, 0x7FFFFFFE}, 142 [_]u32{0xFFFFFFFE, 0xFFFFFFFD, 0x00000001, 0x00000001}, 143 [_]u32{0xFFFFFFFE, 0xFFFFFFFE, 0x00000001, 0x00000000}, 144 [_]u32{0xFFFFFFFE, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFE}, 145 [_]u32{0xFFFFFFFF, 0x00000001, 0xFFFFFFFF, 0x00000000}, 146 [_]u32{0xFFFFFFFF, 0x00000002, 0x7FFFFFFF, 0x00000001}, 147 [_]u32{0xFFFFFFFF, 0x00000003, 0x55555555, 0x00000000}, 148 [_]u32{0xFFFFFFFF, 0x00000010, 0x0FFFFFFF, 0x0000000F}, 149 [_]u32{0xFFFFFFFF, 0x078644FA, 0x00000022, 0x002AD6CB}, 150 [_]u32{0xFFFFFFFF, 0x0747AE14, 0x00000023, 0x01333343}, 151 [_]u32{0xFFFFFFFF, 0x7FFFFFFF, 0x00000002, 0x00000001}, 152 [_]u32{0xFFFFFFFF, 0x80000000, 0x00000001, 0x7FFFFFFF}, 153 [_]u32{0xFFFFFFFF, 0xFFFFFFFD, 0x00000001, 0x00000002}, 154 [_]u32{0xFFFFFFFF, 0xFFFFFFFE, 0x00000001, 0x00000001}, 155 [_]u32{0xFFFFFFFF, 0xFFFFFFFF, 0x00000001, 0x00000000}, 156 };