Then use "round()", or "floor()" or "ceil()" depending on what you need.
Overall you are missing the main point. It is not a question of fixing "bugs", but that in general you don't really understand the main concepts and constructs that you are using.
So, until you do. First practice by coding small pieces of "C" code that is independent of it working in Meta-trader and as a EA. Use online resources that go though all the steps from beginner to a higher level of coding in "C".
It's not like what you think, but I will do that.
Why (Bid - OrderOpenPrice()) result is multiple of Point ? 1.43520-1.43500=0.00020 ????
There is Tick, PIP, and Point. They are all different in general. A tick is the smallest change of price. A Point is the least significant digit quoted. In currencies a pip is defined as 0.0001 (or for JPY 0.01)
On a 4 digit broker a point (0.0001) = pip (0.0001). [JPY 0.01 == 0.01] On a 5 digit broker a point (0.00001) = 1/10 pip (0.00010/10). Just because you quote an extra digit doesn't change the value of a pip. (0.0001 == 0.00010) EA's must adjust pips to points (for mq4.) In currencies a tick is a point. Price can change by least significant digit (1.23456 -> 1.23457)
In metals a Tick is still the smallest change but is larger than a point. If price can change from 123.25 to 123.50, you have a TickSize of 0.25 and a point of 0.01. Pip has no meaning.
This is why you don't use TickValue by itself. Only as a ratio with TickSize. See DeltaValuePerLot()
Thank you all.
these are very useful information.
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