Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Please briefly explain why you feel this question should be reported.
Please briefly explain why you feel this answer should be reported.
Please briefly explain why you feel this user should be reported.
Do you know how to make a rational approximation of a decimal number in C (similar to rat Matlab function)?
Update
If we want a P/Q approximation of a double number number, a quick fix could be:
int factor=1000000;
P=floor(number*factor);
Q=factor;
The error is less than (number/factor), which is negligible.
Continued fractions can be used to calculate rational approximations to real numbers that are optimal in a sense. That way with the input 0.33333333 you have a chance of obtaining 1/3 rather than 3333/10000.