Exemplos de BigInteger::getSign em C++ (Cpp)

Exemplo n.º 1

Arquivo: BigInteger.cpp Projeto: thatguyandy27/ProjectEuler

//-------------------------------------------------------------
BigInteger BigInteger::operator + (BigInteger b)
{
	BigInteger addition;
	if( getSign() == b.getSign() ) // both +ve or -ve
	{
		addition.setNumber( add(getNumber(), b.getNumber() ) );
		addition.setSign( getSign() );
	}
	else // sign different
	{
		if( absolute() > b.absolute() )
		{
			addition.setNumber( subtract(getNumber(), b.getNumber() ) );
			addition.setSign( getSign() );
		}
		else
		{
			addition.setNumber( subtract(b.getNumber(), getNumber() ) );
			addition.setSign( b.getSign() );
		}
	}
	if(addition.getNumber() == "0") // avoid (-0) problem
		addition.setSign(false);

	return addition;
}

Exemplo n.º 2

Arquivo: BigInteger.cpp Projeto: thatguyandy27/ProjectEuler

//-------------------------------------------------------------
bool BigInteger::less(BigInteger n1, BigInteger n2)
{
	bool sign1 = n1.getSign();
	bool sign2 = n2.getSign();

	if(sign1 && ! sign2) // if n1 is -ve and n2 is +ve
		return true;

	else if(! sign1 && sign2)
		return false;

	else if(! sign1) // both +ve
	{
		if(n1.getNumber().length() < n2.getNumber().length() )
			return true;
		if(n1.getNumber().length() > n2.getNumber().length() )
			return false;
		return n1.getNumber() < n2.getNumber();
	}
	else // both -ve
	{
		if(n1.getNumber().length() > n2.getNumber().length())
			return true;
		if(n1.getNumber().length() < n2.getNumber().length())
			return false;
		return n1.getNumber().compare( n2.getNumber() ) > 0; // greater with -ve sign is LESS
	}
}

Exemplo n.º 3

Arquivo: BigInteger.cpp Projeto: mustafacse/Big-Integer-Library

BigInteger BigInteger::operator * (BigInteger b) {
    BigInteger mul;

    mul.setNumber( multiply(getNumber(), b.getNumber() ) );
    mul.setSign( getSign() != b.getSign() );

    if(mul.getNumber() == "0") // avoid (-0) problem
        mul.setSign(false);

    return mul;
}

Exemplo n.º 4

Arquivo: BigInteger.cpp Projeto: mustafacse/Big-Integer-Library

// Warning: Denomerator must be within "long long" size not "BigInteger"
BigInteger BigInteger::operator / (BigInteger b) {
    long long den = toInt( b.getNumber() );
    BigInteger div;

    div.setNumber( divide(getNumber(), den).first );
    div.setSign( getSign() != b.getSign() );

    if(div.getNumber() == "0") // avoid (-0) problem
        div.setSign(false);

    return div;
}

Exemplo n.º 5

Arquivo: BigInteger.cpp Projeto: mustafacse/Big-Integer-Library

// Warning: Denomerator must be within "long long" size not "BigInteger"
BigInteger BigInteger::operator % (BigInteger b) {
    long long den = toInt( b.getNumber() );

    BigInteger rem;
    long long rem_int = divide(number, den).second;
    rem.setNumber( toString(rem_int) );
    rem.setSign( getSign() != b.getSign() );

    if(rem.getNumber() == "0") // avoid (-0) problem
        rem.setSign(false);

    return rem;
}

Exemplo n.º 6

Arquivo: test.cpp Projeto: itmoasm2015/Homework3

void test5() {
    cout << "Sign ... ";
    for (int t = 0; t < 100; t++) {
        int len = rand() % 1000 + 1;
        genBigIntAsString(s, len);
        BigInt a = biFromString(s);

        aa = stringToBigInteger(s);

        assert(biSign(a) == aa.getSign());

        biDelete(a);
    }
    cout << " OK\n";
}

Exemplo n.º 7

Arquivo: BigInteger.cpp Projeto: thatguyandy27/ProjectEuler

//-------------------------------------------------------------
void BigInteger::operator = (BigInteger b)
{
	setNumber( b.getNumber() );
	setSign( b.getSign() );
}

Exemplo n.º 8

Arquivo: BigInteger.cpp Projeto: thatguyandy27/ProjectEuler

bool BigInteger::equals(BigInteger n1, BigInteger n2)
{
	return n1.getNumber() == n2.getNumber()
		&& n1.getSign() == n2.getSign();
}

Exemplo n.º 9

Arquivo: BigInteger.cpp Projeto: thatguyandy27/ProjectEuler

//-------------------------------------------------------------
BigInteger BigInteger::operator - (BigInteger b)
{
	b.setSign( ! b.getSign() ); // x - y = x + (-y)
	return (*this) + b;
}

Exemplo n.º 10

Arquivo: BigIntegerUtils.cpp Projeto: czeidler/fejoa

std::string bigIntegerToString(const BigInteger &x) {
	return (x.getSign() == BigInteger::negative)
		? (std::string("-") + bigUnsignedToString(x.getMagnitude()))
		: (bigUnsignedToString(x.getMagnitude()));
}