How to use

fix2big

method

in

org.jruby.RubyBignum

final RubyInteger op_and(ThreadContext context, RubyFixnum other) {
  return bignorm(context.runtime, value.and(fix2big(other)));
}

final RubyInteger op_and(ThreadContext context, RubyFixnum other) {
  return bignorm(context.runtime, value.and(fix2big(other)));
}

final RubyInteger op_or(ThreadContext context, RubyFixnum other) {
  return bignorm(context.runtime, value.or(fix2big(other))); // no bignorm here needed
}

final RubyInteger op_or(ThreadContext context, RubyFixnum other) {
  return bignorm(context.runtime, value.or(fix2big(other))); // no bignorm here needed
}

/** rb_big_modulo
 *
 */
@JRubyMethod(name = {"%", "modulo"}, required = 1, compat = RUBY1_8)
public IRubyObject op_mod(ThreadContext context, IRubyObject other) {
  final BigInteger otherValue;
  if (other instanceof RubyFixnum) {
    otherValue = fix2big((RubyFixnum) other);
  } else if (other instanceof RubyBignum) {
    otherValue = ((RubyBignum) other).value;
  } else {
    return coerceBin(context, "%", other);
  }
  Ruby runtime = context.runtime;
  if (otherValue.signum() == 0) throw runtime.newZeroDivisionError();
  BigInteger result = value.mod(otherValue.abs());
  if (otherValue.signum() == -1 && result.signum() != 0) result = otherValue.add(result);
  return bignorm(runtime, result);
}

/** rb_big_modulo
 *
 */
@JRubyMethod(name = {"%", "modulo"}, required = 1, compat = RUBY1_8)
public IRubyObject op_mod(ThreadContext context, IRubyObject other) {
  final BigInteger otherValue;
  if (other instanceof RubyFixnum) {
    otherValue = fix2big((RubyFixnum) other);
  } else if (other instanceof RubyBignum) {
    otherValue = ((RubyBignum) other).value;
  } else {
    return coerceBin(context, "%", other);
  }
  Ruby runtime = context.runtime;
  if (otherValue.signum() == 0) throw runtime.newZeroDivisionError();
  BigInteger result = value.mod(otherValue.abs());
  if (otherValue.signum() == -1 && result.signum() != 0) result = otherValue.add(result);
  return bignorm(runtime, result);
}

@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);
}

/** rb_big_remainder
 *
 */
@JRubyMethod(name = "remainder", required = 1, compat = RUBY1_8)
@Override
public IRubyObject remainder(ThreadContext context, IRubyObject other) {
  final BigInteger otherValue;
  if (other instanceof RubyFixnum) {
    otherValue = fix2big(((RubyFixnum) other));
  } else if (other instanceof RubyBignum) {
    otherValue = ((RubyBignum) other).value;
  } else {
    return coerceBin(context, "remainder", other);
  }
  Ruby runtime = context.runtime;
  if (otherValue.signum() == 0) throw runtime.newZeroDivisionError();
  return bignorm(runtime, value.remainder(otherValue));
}

/** rb_big_remainder
 *
 */
@JRubyMethod(name = "remainder", required = 1, compat = RUBY1_8)
@Override
public IRubyObject remainder(ThreadContext context, IRubyObject other) {
  final BigInteger otherValue;
  if (other instanceof RubyFixnum) {
    otherValue = fix2big(((RubyFixnum) other));
  } else if (other instanceof RubyBignum) {
    otherValue = ((RubyBignum) other).value;
  } else {
    return coerceBin(context, "remainder", other);
  }
  Ruby runtime = context.runtime;
  if (otherValue.signum() == 0) throw runtime.newZeroDivisionError();
  return bignorm(runtime, value.remainder(otherValue));
}

/** rb_big_eq
 *
 */
@Override
public IRubyObject op_equal(ThreadContext context, IRubyObject other) {
  final BigInteger otherValue;
  if (other instanceof RubyFixnum) {
    otherValue = fix2big((RubyFixnum) other);
  } else if (other instanceof RubyBignum) {
    otherValue = ((RubyBignum) other).value;
  } else if (other instanceof RubyFloat) {
    double a = ((RubyFloat) other).getDoubleValue();
    if (Double.isNaN(a)) {
      return context.fals;
    }
    return RubyBoolean.newBoolean(context.runtime, a == big2dbl(this));
  } else {
    return other.op_eqq(context, this);
  }
  return RubyBoolean.newBoolean(context.runtime, value.compareTo(otherValue) == 0);
}

/** rb_big_eq
 *
 */
@Override
public IRubyObject op_equal(ThreadContext context, IRubyObject other) {
  final BigInteger otherValue;
  if (other instanceof RubyFixnum) {
    otherValue = fix2big((RubyFixnum) other);
  } else if (other instanceof RubyBignum) {
    otherValue = ((RubyBignum) other).value;
  } else if (other instanceof RubyFloat) {
    double a = ((RubyFloat) other).getDoubleValue();
    if (Double.isNaN(a)) {
      return context.fals;
    }
    return RubyBoolean.newBoolean(context.runtime, a == big2dbl(this));
  } else {
    return other.op_eqq(context, this);
  }
  return RubyBoolean.newBoolean(context.runtime, value.compareTo(otherValue) == 0);
}

/** rb_big_and
 *
 */
@JRubyMethod(name = "&", required = 1, compat = RUBY1_8)
public IRubyObject op_and(ThreadContext context, IRubyObject other) {
  other = other.convertToInteger();
  if (other instanceof RubyBignum) {
    return bignorm(getRuntime(), value.and(((RubyBignum) other).value));
  } else if (other instanceof RubyFixnum) {
    return bignorm(getRuntime(), value.and(fix2big((RubyFixnum)other)));
  }
  return coerceBin(context, "&", other);
}

/** rb_big_and
 *
 */
@JRubyMethod(name = "&", required = 1, compat = RUBY1_8)
public IRubyObject op_and(ThreadContext context, IRubyObject other) {
  other = other.convertToInteger();
  if (other instanceof RubyBignum) {
    return bignorm(getRuntime(), value.and(((RubyBignum) other).value));
  } else if (other instanceof RubyFixnum) {
    return bignorm(getRuntime(), value.and(fix2big((RubyFixnum)other)));
  }
  return coerceBin(context, "&", other);
}

/** rb_big_or
 *
 */
@JRubyMethod(name = "|", required = 1, compat = RUBY1_8)
public IRubyObject op_or(ThreadContext context, IRubyObject other) {
  other = other.convertToInteger();
  if (other instanceof RubyBignum) {
    return bignorm(getRuntime(), value.or(((RubyBignum) other).value));
  }
  if (other instanceof RubyFixnum) { // no bignorm here needed
    return bignorm(getRuntime(), value.or(fix2big((RubyFixnum)other)));
  }
  return coerceBin(context, "|", other);
}

/** rb_big_or
 *
 */
@JRubyMethod(name = "|", required = 1, compat = RUBY1_8)
public IRubyObject op_or(ThreadContext context, IRubyObject other) {
  other = other.convertToInteger();
  if (other instanceof RubyBignum) {
    return bignorm(getRuntime(), value.or(((RubyBignum) other).value));
  }
  if (other instanceof RubyFixnum) { // no bignorm here needed
    return bignorm(getRuntime(), value.or(fix2big((RubyFixnum)other)));
  }
  return coerceBin(context, "|", other);
}

private IRubyObject powerOther19(ThreadContext context, IRubyObject other) {
  Ruby runtime = context.runtime;
  long a = value;
  if (other instanceof RubyBignum) {
    if (other.callMethod(context, "<", RubyFixnum.zero(runtime)).isTrue()) {
      return RubyRational.newRationalRaw(runtime, this).callMethod(context, "**", other);
    }
    if (a == 0) return RubyFixnum.zero(runtime);
    if (a == 1) return RubyFixnum.one(runtime);
    if (a == -1) {
      return ((RubyBignum)other).even_p(context).isTrue() ? RubyFixnum.one(runtime) : RubyFixnum.minus_one(runtime);
    }
    RubyBignum.newBignum(runtime, RubyBignum.fix2big(this)).op_pow(context, other);
  } else if (other instanceof RubyFloat) {
    double b = ((RubyFloat)other).getValue();
    if (b == 0.0 || a == 1) return runtime.newFloat(1.0);
    if (a == 0) return runtime.newFloat(b < 0 ? 1.0 / 0.0 : 0.0);
    return RubyFloat.newFloat(runtime, Math.pow(a, b));
  }
  return coerceBin(context, "**", other);
}

private IRubyObject powerOther19(ThreadContext context, IRubyObject other) {
  Ruby runtime = context.runtime;
  long a = value;
  if (other instanceof RubyBignum) {
    if (other.callMethod(context, "<", RubyFixnum.zero(runtime)).isTrue()) {
      return RubyRational.newRationalRaw(runtime, this).callMethod(context, "**", other);
    }
    if (a == 0) return RubyFixnum.zero(runtime);
    if (a == 1) return RubyFixnum.one(runtime);
    if (a == -1) {
      return ((RubyBignum)other).even_p(context).isTrue() ? RubyFixnum.one(runtime) : RubyFixnum.minus_one(runtime);
    }
    RubyBignum.newBignum(runtime, RubyBignum.fix2big(this)).op_pow(context, other);
  } else if (other instanceof RubyFloat) {
    double b = ((RubyFloat)other).getValue();
    if (b == 0.0 || a == 1) return runtime.newFloat(1.0);
    if (a == 0) return runtime.newFloat(b < 0 ? 1.0 / 0.0 : 0.0);
    return RubyFloat.newFloat(runtime, Math.pow(a, b));
  }
  return coerceBin(context, "**", other);
}