def store_constraint_bounds(index, sense, rhs)
      case sense
      when :==
        lb = ub = rhs
      when :>=
        lb = rhs
        ub = Float::INFINITY
      when :<=
        lb = -Float::INFINITY
        ub = rhs
      end

      Cbc.Cbc_setRowLower @ptr, index, lb
      Cbc.Cbc_setRowUpper @ptr, index, ub
    end
def store_constraint_bounds(index, sense, rhs)
      case sense
      when :==
        lb = ub = rhs
      when :>=
        lb = rhs
        ub = Float::INFINITY
      when :<=
        lb = -Float::INFINITY
        ub = rhs
      end

      Cbc.Cbc_setRowLower @ptr, index, lb
      Cbc.Cbc_setRowUpper @ptr, index, ub
    end
Store the bounds for a given constraint