All Questions
82 questions
-1
votes
1
answer
90
views
Is there a way to simplify a fraction including decimals? [duplicate]
Whenever a user inputs a fraction, it might be contain decimals (long double). I have some code (C++) below to show how I implement this:
class Fraction
{
public:
long double numerator, ...
- 25
0
votes
1
answer
82
views
Incorrect multiplication of long fractions in different C++ compilers
A program takes two long fractions, and performs addition, subtraction, multiplication and comparison operations on them. In the standard CLion compiler (MinGW) the code is executed correctly, but in ...
- 13
2
votes
1
answer
181
views
Overloading operator whose parameter is not class or enum
I want to overload operator like this:
fraction operator / (int a, int b) // error here
{
return fraction(a,b);
}
(Not inside fraction class).
But the compiler says:
[Error] 'fraction operator/(int, ...
- 69
1
vote
1
answer
112
views
Construct (give its value) an object outside its initialize in c++ [duplicate]
I make a fraction class, but I want to assign its value to another fraction, usually, I have to do this:
fraction a;
a.setNumerator=(1);
a.setDenominator(2);
b=a; //b is already intialized above
This ...
- 69
-1
votes
1
answer
82
views
Why does my code have trouble with cout<<num0+num1?
The code have an issue in main. When I try cout<<num0-num1; alone or cout<<num0+num1; alone they work fine, but when I do them together, the code just stops print one of them and the rest ...
- 21
-1
votes
1
answer
87
views
Find the number of steps transforming a/b into c/d so that 0<a<b<100000 and 0<c<d<100000, or none if there is no ways
Original problem. Given two valid fractions a/b and c/d. Each transformation is adding 1 to a and b, then optimizing a/b. Find the number of steps transforming a/b into c/d so that 0<a<b<...
user14258654
-1
votes
1
answer
164
views
writing c++ program "fraction of double" [closed]
I wanna write a c++ program that read a double value and after reading it print only the fraction of that number, for example if the input was 14.25 then the output must be 0.25
should include iomanip ...
1
vote
2
answers
529
views
How to add a number to a fraction in c++?
I created a Fraction :
class Fraction
{
private:
int numarator_, denum_;
public:
constexpr Fraction(int numarator, int denum=1) noexcept : numarator_(numarator), denum_(denum) {}
virtual ~...
- 11
2
votes
2
answers
2k
views
C++ multiply float by fraction
just started C++ from a MATLAB background and getting confused.
float farenheit, celcius;
cin >> farenheit;
celcius = (farenheit - 32) * (5 / 9);
cout << "Temperature (c): " <&...
1
vote
1
answer
110
views
Overloading composed operators (+=,-=,*= and /=). Doesn't calculate how it should
The code is a part of a more complex one, but i reduced to see the part where i have the problem.
So after overloading the +=, -=,*= and /= operators,the results are all the same and i don't know what ...
- 55
0
votes
0
answers
31
views
is it possible to show a fractional number in the output of c++? [duplicate]
I want to calculate some formula and show the results in a fractional number, but as I know c++ converts them to floats. probably, is there any library or method to show them just fractional?
for ...
- 1
-1
votes
3
answers
2k
views
Finding irreducible fractions between two given fractions in ascending order of denominators and then numerators
Time limit per test: 2 seconds
Memory limit per test: 512 megabytes
You are given two fractions a/b < c/d and a positive number N.
Consider all irreducible fractions e/f such that 0 < e,...
- 2,512
1
vote
1
answer
903
views
How to sort an array of rational numbers in C++?
I want to sort an array of rational numbers of type integers. I have used the Bubble Sort algorithm. I am dividing numerator with denominator and then comparing two rational numbers on the basis of ...
- 1,020
0
votes
1
answer
126
views
How can I write a function to accept a Fraction object in SWIG?
I'm writing an interface between Python and a our C++ video-processing library using SWIG. In python, I use the Fraction class to represent frame rate (e.g. NTFS24 = 24000/1001 FPS). The functionality ...
- 446
7
votes
2
answers
1k
views
How to avoid using temporary variable with std::modf?
I've recently run into an issue where I got a segfault in MSVC where I wouldn't in GCC.
After hours I realized that apparently my version of MSVC does not support the following syntax:
double value ...
- 5,007