NSSet: should I use float / double in NSSet?

Question

As we know, when comparing floating point numbers, there is a problem with the number of floating point numbers.

In addition, NSSet uses equality for comparison to preserve unique elements in it.

So what happens when an NSSet stores NSValues ​​that have float / double in it,

Should we never use float in NSSet to avoid float accuracy problem?

Answer 1

when comparing floating point numbers, there is the problem of the accuracy of the number of floating point numbers.

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