Double type variable in Indicator

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Hi, We have an indicator where it finds the highest High within given 4 candles. And then it stores this value in a variable of type Double.

Sometime it change the value in double variable. For example highest high is 1.12347 in M15 EURUSD based on given four candles. And it is stored in a double variable.

double r = highest high

when we print the value, it shows 1.1234700000000002

and for some numbers it shows 1 as the 16th digit.

Could anyone help that which type of numbers, it is storing 16th digit. We need to identify those numbers to apply some logic.

 

I don't understand exactly what is your doubt about... Do you need to "extract" the 16th digits from the number to apply some rules to it?

PS. I suggest to always normalize values about indicators and prices at the symbol digits. (_Digits)

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