Zig 0.17.0-dev (Split by item)

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test__subo_limb64

limb64.test__subo_limb64

fn test__subo_limb64(comptime T: type, a: T, b: T, expected: struct

File

lib/compiler_rt/limb64.zig:226

Code

fn test__subo_limb64(comptime T: type, a: T, b: T, expected: struct { T, bool }) !void {
    const int_info = @typeInfo(T).int;
    const is_signed = int_info.signedness == .signed;

    var a_limbs = asLimbs(a);
    var b_limbs = asLimbs(b);
    var out: Limbs(T) = undefined;
    const overflow = __subo_limb64(&out, &a_limbs, &b_limbs, is_signed, int_info.bits);

    const expected_limbs = asLimbs(expected[0]);
    try testing.expectEqual(expected_limbs, out);
    try testing.expectEqual(expected[1], overflow);
}