tiny.simd.absDiff

1pub fn absDiff(comptime D: type, a: D.Vector, b: D.Vector) D.Vector {2    if (comptime @typeInfo(D.Lane) == .float) return @abs(a - b);3    if (comptime @typeInfo(D.Lane) != .int) @compileError("absDiff requires numeric lanes");4    const U = @Int(.unsigned, @bitSizeOf(D.Lane));5    var result: D.Vector = undefined;6    inline for (0..D.lane_count) |index| {7        const a_bits: U = @bitCast(a[index]);8        const b_bits: U = @bitCast(b[index]);9        const difference = if (a[index] >= b[index]) a_bits -% b_bits else b_bits -% a_bits;10        result[index] = @bitCast(difference);11    }12    return result;13}

1pub const absDiff = arithmetic.absDiff;