Comparing arrays of floats?

[Meta via Digitalmars-d-learn]

On Friday, 9 October 2015 at 22:14:09 UTC, Straivers wrote:
> Forgive me if this has already been discussed, but how are 
> arrays of floating point numbers compared in D? i.e. Is it a 
> bit-by-bit comparison, is the std.math.approxEqual function get 
> called for each element, or is it byte-by-byte across the 
> entire array?
>
> -Straivers

If you want to compare them with approxEqual, you can do:

arr1.equal!approxEqual(arr2)