bool Rational::operator >=(const Rational& secondnum) const{
BigInt num1 = this->getNumerator();
BigInt num2 = secondnum.getNumerator();
BigInt deno1 = this->getDenomniator();
BigInt deno2 = secondnum.getDenomniator();
normalize(num1, deno1);
normalize(num2, deno2);
if(num1 < 0 && deno1 < 0){
num1 = -num1;
deno1 = -deno1;
}
else if(num1 > 0 && deno1 < 0){
num1 = -num1;
deno1 = -deno1;
}
if(num2 < 0 && deno2 < 0){
num2 = -num2;
deno2 = -deno2;
}
else if(num2 > 0 && deno2 < 0){
num2 = -num2;
deno2 = -deno2;
}
if(num1 * deno2 >= num2 * deno1){
return 1;
}
else{
return 0;
}
}
const Rational operator -(const Rational& num) {
BigInt pos_num = num.getNumerator();
BigInt deno = num.getDenomniator();
normalize(pos_num, deno);
BigInt neg_num = -pos_num;
return Rational(neg_num, deno);
}
const Rational operator -(const Rational& firstnum, const Rational& secondnum) {
BigInt denominator = firstnum.getDenomniator() * secondnum.getDenomniator();
BigInt first_numerator = firstnum.getNumerator() * secondnum.getDenomniator();
BigInt second_numerator = secondnum.getNumerator() * firstnum.getDenomniator();
BigInt allnumerator = first_numerator - second_numerator;
normalize(allnumerator, denominator);
if(denominator < 0 && allnumerator < 0){
denominator = -denominator;
allnumerator = -allnumerator;
}
else if(denominator < 0 && allnumerator > 0 ){
denominator = -denominator;
allnumerator = - allnumerator;
}
return Rational(allnumerator, denominator);
}
