62 lines
2.3 KiB
Zig
62 lines
2.3 KiB
Zig
const std = @import("std");
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const builtin = @import("builtin");
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const mem = std.mem;
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const expect = std.testing.expect;
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test "@select vectors" {
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if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
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if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
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if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
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if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
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if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
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comptime try selectVectors();
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try selectVectors();
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}
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fn selectVectors() !void {
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var a = @Vector(4, bool){ true, false, true, false };
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var b = @Vector(4, i32){ -1, 4, 999, -31 };
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var c = @Vector(4, i32){ -5, 1, 0, 1234 };
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var abc = @select(i32, a, b, c);
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try expect(abc[0] == -1);
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try expect(abc[1] == 1);
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try expect(abc[2] == 999);
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try expect(abc[3] == 1234);
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var x = @Vector(4, bool){ false, false, false, true };
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var y = @Vector(4, f32){ 0.001, 33.4, 836, -3381.233 };
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var z = @Vector(4, f32){ 0.0, 312.1, -145.9, 9993.55 };
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var xyz = @select(f32, x, y, z);
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try expect(mem.eql(f32, &@as([4]f32, xyz), &[4]f32{ 0.0, 312.1, -145.9, -3381.233 }));
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}
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test "@select arrays" {
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if (builtin.zig_backend == .stage1) return error.SkipZigTest; // TODO
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if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
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if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
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if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
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if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
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if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
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comptime try selectArrays();
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try selectArrays();
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}
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fn selectArrays() !void {
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var a = [4]bool{ false, true, false, true };
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var b = [4]usize{ 0, 1, 2, 3 };
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var c = [4]usize{ 4, 5, 6, 7 };
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var abc = @select(usize, a, b, c);
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try expect(abc[0] == 4);
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try expect(abc[1] == 1);
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try expect(abc[2] == 6);
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try expect(abc[3] == 3);
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var x = [4]bool{ false, false, false, true };
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var y = [4]f32{ 0.001, 33.4, 836, -3381.233 };
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var z = [4]f32{ 0.0, 312.1, -145.9, 9993.55 };
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var xyz = @select(f32, x, y, z);
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try expect(mem.eql(f32, &@as([4]f32, xyz), &[4]f32{ 0.0, 312.1, -145.9, -3381.233 }));
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}
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