The problems with Doubles and Floats are already well documented, but sometimes we fall into the trap again.
In short, the representation of a real number1 in Float and Double is not precise2.
Normally, I am well aware of this limitation, but sometimes I get tripped up by already receiving Doubles and Floats as input.
In this case, it involved Geometrie coordinates, in doubles of course.
The following Unit Test shows the problem:
References
- [1] Wikipedia - Real number
- https://en.wikipedia.org/wiki/Real_number
- [2] What Every Programmer Should Know About Floating-Point Arithmetic
- https://floating-point-gui.de/
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