How to use

opMulOther

method

in

org.jruby.RubyBignum

@JRubyMethod(name = "*", required = 1, compat = RUBY1_9)
public IRubyObject op_mul19(ThreadContext context, IRubyObject other) {
  Ruby runtime = context.runtime;
  BigInteger result;
  if (other instanceof RubyFixnum) {
    return bignorm(runtime, value.multiply(fix2big(((RubyFixnum) other))));
  } else if (other instanceof RubyBignum) {
    return bignorm(runtime, value.multiply(((RubyBignum)other).value));
  } else return opMulOther(context, other);
}

@JRubyMethod(name = "*", required = 1, compat = RUBY1_9)
public IRubyObject op_mul19(ThreadContext context, IRubyObject other) {
  Ruby runtime = context.runtime;
  BigInteger result;
  if (other instanceof RubyFixnum) {
    return bignorm(runtime, value.multiply(fix2big(((RubyFixnum) other))));
  } else if (other instanceof RubyBignum) {
    return bignorm(runtime, value.multiply(((RubyBignum)other).value));
  } else return opMulOther(context, other);
}

/** rb_big_mul
 *
 */
@JRubyMethod(name = "*", required = 1)
public IRubyObject op_mul(ThreadContext context, IRubyObject other) {
  Ruby runtime = context.runtime;
  if (other instanceof RubyFixnum) {
    BigInteger result = value.multiply(fix2big(((RubyFixnum) other)));
    return result.signum() == 0 ? RubyFixnum.zero(runtime) : new RubyBignum(runtime, result);
  }
  if (other instanceof RubyBignum) {
    BigInteger result = value.multiply(((RubyBignum)other).value);
    return result.signum() == 0 ? RubyFixnum.zero(runtime) : new RubyBignum(runtime, result);
  } else return opMulOther(context, other);
}

/** rb_big_mul
 *
 */
@JRubyMethod(name = "*", required = 1)
public IRubyObject op_mul(ThreadContext context, IRubyObject other) {
  Ruby runtime = context.runtime;
  if (other instanceof RubyFixnum) {
    BigInteger result = value.multiply(fix2big(((RubyFixnum) other)));
    return result.signum() == 0 ? RubyFixnum.zero(runtime) : new RubyBignum(runtime, result);
  }
  if (other instanceof RubyBignum) {
    BigInteger result = value.multiply(((RubyBignum)other).value);
    return result.signum() == 0 ? RubyFixnum.zero(runtime) : new RubyBignum(runtime, result);
  } else return opMulOther(context, other);
}