mame/quine-relay · error

division by zero

Error message

division by zero

What it means

Error "division by zero" thrown in mame/quine-relay.

Source

Thrown at vendor/ante.rb:142

    ### ap "remaining: #{operands.inspect}"
    operands
  end

  def expression(operands)
    initial, target = operands.shift
    initial = instance_variable_get("@#{target}") if initial == "A"
    operands.each do |rank, suit|
      # puts "rank: #{rank.inspect}, suit: #{suit.inspect}"
      rank = instance_variable_get("@#{suit}") if rank == "A"
      case suit
      when "♦" then initial += rank
      when "♥" then initial *= rank
      when "♠" then initial -= rank
      when "♣" then
        if rank != 0
          initial /= rank
        else
          exception("division by zero")
        end
      end
    end
    instance_variable_set("@#{target}", initial)
    # dump_registers
  end

  def exception(message)
    abort("Ante exception: #{message} on line #{@line} (pc:#{@pc})")
  end

  def dump_registers
    instance_variables.each do |i|
      puts "  #{i}: " + instance_variable_get("#{i}").to_s if i.size == 2
    end
  end
end

View on GitHub (pinned to c2aa5098d3)

When it happens

Trigger: Thrown at vendor/ante.rb:142 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of mame/quine-relay@c2aa5098d3 (2026-08-21). Data as JSON: /api/errors/68d08643e2b38894. Report an issue: GitHub.