bazaar/STEM4U/Rational.h

35 	bool operator<(const Rational& right) const {
38 		right_nd = right.num/right.den;
42 			return num%den < right.num%right.den;
46 	bool operator<(const T& right) const {
47 		return num < den*intInf(right);
49 	bool operator>(const Rational& right) const {
52 		right_nd = right.num/right.den;
56 			return num%den > right.num%right.den;
60 	bool operator>(const T& right) const {
61 		return num > den*intInf(right);
88   	void operator+=(const Rational& right) {
89   		if (den == right.den)
90   			num += right.num;
92   			num = num*right.den + den*right.num;
93   			den *= right.den;
96   	void operator-=(const Rational& right) {
97   		if (den == right.den)
98   			num -= right.num;
100   			num = num*right.den - den*right.num;
101   			den *= right.den;
104   	void operator*=(const Rational& right) {
105   		num *= right.num;
106   		den *= right.den;
108   	void operator/=(const Rational& right) {
109   		if (&right == this)
112   			if (right.num < 0) {
113 		  		den *= -right.num;
114 		  		num *= -right.den;
116   				den *= right.num;
117 		  		num *= right.den;
121   	bool operator==(Rational& right) {
123   		right.Simplify();
124   		return num == right.num && den == right.den;
127   	bool operator==(T right) {
130   			return num == intInf(right);
132 			return T(num/den) == right;
134     bool operator!=(Rational& right) {return !operator==(right);}
136   	bool operator!=(T right)  		 {return !operator==(right);}
174 	friend Rational operator+(T left, const Rational &right);
176 	friend Rational operator+(const Rational& left, T right);
177 	friend Rational operator+(const Rational& left, const Rational& right);
179 	friend Rational operator-(T left, const Rational &right);
181 	friend Rational operator-(const Rational& left, T right);
182 	friend Rational operator-(const Rational& left, const Rational& right);
184 	friend Rational operator*(T left, const Rational &right);
186 	friend Rational operator*(const Rational& left, T right);
187 	friend Rational operator*(const Rational& left, const Rational& right);
189 	friend Rational operator/(T left, const Rational &right);
191 	friend Rational operator/(const Rational& left, T right);
192 	friend Rational operator/(const Rational& left, const Rational& right);
201 Rational operator+(T left, const Rational &right) {
203 	ret.num = right.den*left + right.num;
204 	ret.den = right.den;
209 Rational operator+(const Rational& left, T right) {
211 	ret.num = left.num + right;
217 Rational operator-(T left, const Rational &right) {
219 	ret.num = right.den*left - right.num;
220 	ret.den = right.den;
225 Rational operator-(const Rational& left, T right) {
227 	ret.num = left.num - left.den*right;
233 Rational operator*(T left, const Rational& right) {
235 	ret.num = right.num*intInf(left);
236 	ret.den = right.den;
241 Rational operator*(const Rational& left, T right) {
243 	ret.num = left.num*intInf(right);
249 Rational operator/(T left, const Rational& right) {
251 	ret.num = right.den*left;
252 	ret.den = right.num;
261 Rational operator/(const Rational& left, T right) {
264 	ret.den = left.den*right;