zig/test/cases/safety/signed integer division overflow - vectors.zig
2022-09-20 19:05:00 -07:00

24 lines
631 B
Zig

const std = @import("std");
pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace, _: ?usize) noreturn {
_ = stack_trace;
if (std.mem.eql(u8, message, "integer overflow")) {
std.process.exit(0);
}
std.process.exit(1);
}
pub fn main() !void {
var a: @Vector(4, i16) = [_]i16{ 1, 2, -32768, 4 };
var b: @Vector(4, i16) = [_]i16{ 1, 2, -1, 4 };
const x = div(a, b);
if (x[2] == 32767) return error.Whatever;
return error.TestFailed;
}
fn div(a: @Vector(4, i16), b: @Vector(4, i16)) @Vector(4, i16) {
return @divTrunc(a, b);
}
// run
// backend=llvm
// target=native