int main() {
Fraction f1;
f1.numer = 4;
f1.denom = 5;
f1.description = "four fifths";
Fraction f2 = {2, 3, "two thirds"}; //Member initialization.
f1.numer = f1.numer + 2; //Client code can change individual data members.
printFraction(f1);
printFraction(f2);
return 0;
}
int main() {
char exitOperator = 'x';
char cancelOperator = 'c';
char addOperator = '+';
char subtractOperator = '-';
char multiplyOperator = '*';
char divideOperator = '/';
char squareOperator = 'r';
char powerOperator = '^';
char factorialOperator = '!';
char simplifyOperator = 's';
int numerator1, denominator1, numerator2, denominator2, resultNumerator,
resultDenominator, exponent;
double number1, number2, powerResult;
char operator1 = '0', operator2, menuCharacter, character;
loadOperatorsFromFile(exitOperator, cancelOperator, addOperator,
subtractOperator, multiplyOperator, divideOperator, squareOperator,
powerOperator, factorialOperator, simplifyOperator);
bool exitMenu = false;
do {
menuCharacter = printMenu();
switch (menuCharacter) {
case '1':
printOperators(exitOperator, cancelOperator, addOperator,
subtractOperator, multiplyOperator, divideOperator,
squareOperator, powerOperator, factorialOperator);
cout << "Write an inline expresion:" << endl;
do {
cin.sync();
checkFirstCharacter(character, number1);
checkOperator(character, operator1, exitOperator);
do {
checkOperation(operator1, addOperator, number2, number1,
subtractOperator, multiplyOperator, divideOperator,
squareOperator, factorialOperator, powerOperator,
exponent, powerResult, exitOperator, operator2,
cancelOperator);
if (operator2 == addOperator
|| operator2 == subtractOperator
|| operator2 == divideOperator
|| operator2 == multiplyOperator
|| operator2 == powerOperator
|| operator2 == factorialOperator
|| operator2 == squareOperator) {
cin.get(operator1);
}
} while (operator1 != '\n' && operator1 != exitOperator);
} while (operator2 != exitOperator);
break;
case '2':
configureOperators(character, exitOperator, cancelOperator,
addOperator, subtractOperator, multiplyOperator,
divideOperator, squareOperator, powerOperator,
factorialOperator);
break;
case '3':
cout << endl << "Fractions mode" << endl << endl;
printOperators(exitOperator, cancelOperator, addOperator,
subtractOperator, multiplyOperator, divideOperator,
squareOperator, powerOperator, factorialOperator);
do {
cout << "Write an inline fraction expresion:" << endl;
cin.sync();
character = cin.peek();
if (isdigit(character)) {
readFraction(numerator1, denominator1);
if (numerator1 != 0 && denominator1 != 0) {
cin.get(operator1);
}
else {
operator1 = cancelOperator;
}
} else {
cin.get(operator1);
}
do {
//TODO extract
checkSimplifyOperation(operator1, simplifyOperator,
numerator1, denominator1);
if (operator1 == addOperator) {
readFraction(numerator2, denominator2);
addFractions(numerator1, denominator1, numerator2,
denominator2, resultNumerator,
resultDenominator);
printFraction(resultNumerator, resultDenominator);
numerator1 = resultNumerator;
denominator1 = resultDenominator;
}
if (operator1 == subtractOperator) {
readFraction(numerator2, denominator2);
subtractFractions(numerator1, denominator1, numerator2,
denominator2, resultNumerator,
resultDenominator);
printFraction(resultNumerator, resultDenominator);
numerator1 = resultNumerator;
denominator1 = resultDenominator;
}
if (operator1 == multiplyOperator) {
readFraction(numerator2, denominator2);
multiplyFractions(numerator1, denominator1, numerator2,
denominator2, resultNumerator,
resultDenominator);
printFraction(resultNumerator, resultDenominator);
numerator1 = resultNumerator;
denominator1 = resultDenominator;
}
if (operator1 == divideOperator) {
readFraction(numerator2, denominator2);
divideFractions(numerator1, denominator1, numerator2,
denominator2, resultNumerator,
resultDenominator);
printFraction(resultNumerator, resultDenominator);
numerator1 = resultNumerator;
denominator1 = resultDenominator;
}
if (operator1 == powerOperator) {
cin >> exponent;
powerOfFractions(numerator1, denominator1, exponent,
resultNumerator, resultDenominator);
numerator1 = resultNumerator;
denominator1 = resultDenominator;
printFraction(numerator1, denominator1);
}
if (operator1 != cancelOperator) {
cin.get(operator1);
operator2 = cin.peek();
if (operator2 == cancelOperator) {
numerator1 = 0;
cout << numerator1 << endl;
operator1 = exitOperator;
}
if (operator2 == simplifyOperator
|| operator2 == addOperator
|| operator2 == subtractOperator
|| operator2 == divideOperator
|| operator2 == multiplyOperator
|| operator2 == powerOperator) {
cin.get(operator1);
}
}
} while (operator1 != '\n' && operator1 != exitOperator);
} while (operator2 != exitOperator);
break;
case '4':
saveConfigurationToFile(exitOperator, cancelOperator, addOperator,
subtractOperator, multiplyOperator, divideOperator,
squareOperator, powerOperator, factorialOperator,
simplifyOperator);
exitMenu = true;
break;
}
} while (!exitMenu);
return 0;
}
