public static DROB operator *(DROB a, DROB b) { DROB tmp = new DROB(); tmp.numerator = a.numerator * b.numerator; tmp.denominator = a.denominator * b.denominator; tmp.Scorot(); return(tmp); }
public static DROB operator +(DROB a, int b) { DROB tmp = new DROB(); tmp.numerator = a.numerator + b * a.denominator; tmp.denominator = a.denominator; tmp.Scorot(); return(tmp); }
public static DROB operator -(DROB a) { DROB tmp = new DROB(); tmp.numerator = -a.numerator; tmp.denominator = a.denominator; tmp.Scorot(); return(tmp); }
public static DROB operator -(DROB a, DROB b) { DROB tmp = new DROB(); if (a.denominator == b.denominator) { tmp.numerator = a.numerator - b.numerator; tmp.denominator = a.denominator; } else { tmp.numerator = (a.numerator * b.denominator) - (b.numerator * a.denominator); tmp.denominator = (a.denominator * b.denominator); } tmp.Scorot(); return(tmp); }