Problem dividing doubles/floats

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I tried dividing numbers (doubles/floats) but my indicator stop moving in strategy tester. 

double FirstNumber = NumberArray[0];
double SecondNumber = NumberArray[10];

Comment("First : "+FirstNumber+"\n Second : "+SecondNumber);

//This comment part above works just fine

double Divided = FirstNumber/SecondNumber;

I didn't put "Divided" variable in any further operation, but the indicator stops and in the journal shows warning "OnTicks critical error"

I tried with all float variable and not working to

I searched about this problem but didn't found any similar problem, all of them have a problem from integer to doubles


UPDATE:

I changed the SecondNumber with any number, and it works

double Divided = FirstNumber/123;
//or
double Divided = FirstNumber/1.425;


But when I changed the FirstNumber with any number, the error still occured

double Divided = 0.243/SecondNumber;
//or
double Divided = 123.45/SecondNumber;


I also change the array count number for both FirstNumber and SecondNumber, but still showing the same error

NB: both variable was never 0

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double FirstNumber = NumberArray[0];
double SecondNumber = NumberArray[10];

Show the code where you

a) Size the arrays.

b) assign values to the arrays and check that the value is not zero.

 
Keith Watford:

Show the code where you

a) Size the arrays.

b) assign values to the arrays and check that the value is not zero.

I've found the solution, I add a condition to check the value is not zero like you said, and doubling everything (again) just to make sure

if(SecondNumber > 0)
        Divider = double(FirstNumber)/double(SecondNumber);


Thank you

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