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By using Decimal: from decimal import Decimal. decimals = [0.25, 0.5, 1.25, 3, 0.6, 0.84] for d in decimals: d = Decimal(str(d)) #Cast as string for proper fraction. nominator,denominator = d.as_integer_ratio() if denominator==1: print(a) else:
cout_flo2frac(0.333f); } Output. 0.333000004 = 11173626 / 16777216 * 2^(-1) This gives the rational representation of float val = 0.333f; as 5586813/16777216. What remains to be done is determine the convergents of the exact fraction, which can be done using integer calculations, only.
So i want to be able to convert any decimal number into fraction. In both forms such as one without remainder like this: 3/5 or with remainder: 3 1/4. what i was doing is this.. lets say i have number .3435. Calculate amount of digits after decimals. multiply by 10 with power of the amount before number. then somehow find greatest common factor.
Basically: 1st) decide if it's a terminating decimal or not 2nd) If yes, just set the decimal tail / 10^n and reduce the fraction. 3rd) If it doesn't terminate, try to find a repeating pattern including cases where the repetition doesn't start right away.
Algorithm To Convert A Decimal To A Fraction. Alternatively, as part of it's standard library, Ruby has code that deals with rational numbers. It can convert from floats to rationals and vice versa. I believe you can look through the code as well. The documentation is found here. I know you're not using Ruby, but it might help to look at the ...
However, in mathematics we have 3 situations for converting a decimal number into a fraction, I am not going to explain them because It will take a lot of space and time, I have already written a program for this problem. This is the code : import java.math.BigDecimal; import java.math.BigInteger; public class Main {.
2. You can get the fractional part by multiplying the input number by a whole number of hex digits. Then you can use regular integer-to-hex conversion. For example, to get 6 characters after the (hexa)decimal point, multiply the fractional part by 0x1000000. Here is some Java code that will do it. String toHexFraction(double x, int digits) {.
decimal to fraction conversion. Learn more about fraction, decimal, percentage .
#include <iostream> using namespace std; // converts the string half of the inputed decimal number into numerical values void converting (string decimalNumber, float& numerator, float& denominator ) { float number; string valueAfterPoint = decimalNumber.substr(decimalNumber.find(".") + 1,((decimalNumber.length() -1) )); // store the value after ...
And convert it into its corresponding decimal, to be saved in MySQL, that way I can order by it and do other comparisons to it. But I need to be able to convert the decimal back to a fraction when showing to the user. so basically I need a function that will convert fraction string to decimal: fraction_to_decimal("2 1/4");// return 2.25