signed_value

# File ext/fiddle/lib/fiddle/value.rb, line 26
    def signed_value(val, ty)
      case ty.abs
      when TYPE_CHAR
        [val].pack("C").unpack("c")[0]
      when TYPE_SHORT
        [val].pack("S!").unpack("s!")[0]
      when TYPE_INT
        [val].pack("I!").unpack("i!")[0]
      when TYPE_LONG
        [val].pack("L!").unpack("l!")[0]
      else
        if defined?(TYPE_LONG_LONG) and
          ty.abs == TYPE_LONG_LONG
          [val].pack("Q").unpack("q")[0]
        else
          val
        end
      end
    end