mirror of
https://github.com/ziglang/zig.git
synced 2024-11-27 07:32:44 +00:00
91 lines
4.0 KiB
Zig
91 lines
4.0 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 "@shuffle int" {
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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_aarch64) 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_c) return error.SkipZigTest; // TODO
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const S = struct {
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fn doTheTest() !void {
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var v: @Vector(4, i32) = [4]i32{ 2147483647, -2, 30, 40 };
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var x: @Vector(4, i32) = [4]i32{ 1, 2147483647, 3, 4 };
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const mask = [4]i32{ 0, ~@as(i32, 2), 3, ~@as(i32, 3) };
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var res = @shuffle(i32, v, x, mask);
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try expect(mem.eql(i32, &@as([4]i32, res), &[4]i32{ 2147483647, 3, 40, 4 }));
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// Implicit cast from array (of mask)
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res = @shuffle(i32, v, x, [4]i32{ 0, ~@as(i32, 2), 3, ~@as(i32, 3) });
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try expect(mem.eql(i32, &@as([4]i32, res), &[4]i32{ 2147483647, 3, 40, 4 }));
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// Undefined
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const mask2 = [4]i32{ 3, 1, 2, 0 };
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res = @shuffle(i32, v, undefined, mask2);
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try expect(mem.eql(i32, &@as([4]i32, res), &[4]i32{ 40, -2, 30, 2147483647 }));
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// Upcasting of b
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var v2: @Vector(2, i32) = [2]i32{ 2147483647, undefined };
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const mask3 = [4]i32{ ~@as(i32, 0), 2, ~@as(i32, 0), 3 };
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res = @shuffle(i32, x, v2, mask3);
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try expect(mem.eql(i32, &@as([4]i32, res), &[4]i32{ 2147483647, 3, 2147483647, 4 }));
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// Upcasting of a
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var v3: @Vector(2, i32) = [2]i32{ 2147483647, -2 };
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const mask4 = [4]i32{ 0, ~@as(i32, 2), 1, ~@as(i32, 3) };
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res = @shuffle(i32, v3, x, mask4);
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try expect(mem.eql(i32, &@as([4]i32, res), &[4]i32{ 2147483647, 3, -2, 4 }));
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}
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};
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try S.doTheTest();
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comptime try S.doTheTest();
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}
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test "@shuffle bool 1" {
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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_aarch64) 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_c) return error.SkipZigTest; // TODO
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const S = struct {
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fn doTheTest() !void {
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var x: @Vector(4, bool) = [4]bool{ false, true, false, true };
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var v: @Vector(2, bool) = [2]bool{ true, false };
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const mask = [4]i32{ 0, ~@as(i32, 1), 1, 2 };
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var res = @shuffle(bool, x, v, mask);
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try expect(mem.eql(bool, &@as([4]bool, res), &[4]bool{ false, false, true, false }));
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}
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};
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try S.doTheTest();
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comptime try S.doTheTest();
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}
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test "@shuffle bool 2" {
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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_aarch64) 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_c) return error.SkipZigTest; // TODO
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if (builtin.zig_backend == .stage1 or builtin.zig_backend == .stage2_llvm) {
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// https://github.com/ziglang/zig/issues/3246
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return error.SkipZigTest;
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}
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const S = struct {
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fn doTheTest() !void {
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var x: @Vector(3, bool) = [3]bool{ false, true, false };
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var v: @Vector(2, bool) = [2]bool{ true, false };
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const mask: @Vector(4, i32) = [4]i32{ 0, ~@as(i32, 1), 1, 2 };
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var res = @shuffle(bool, x, v, mask);
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try expect(mem.eql(bool, &@as([4]bool, res), &[4]bool{ false, false, true, false }));
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}
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};
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try S.doTheTest();
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comptime try S.doTheTest();
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}
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