Description:
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---
From manual page: http://www.php.net/function.fann-scale-input
---


I guess it was implemented without tested, that explains why no scaling PHP example was supplied with fann as well.

The library function fann_scale_input() does MODIFY the content.
Just like all other scaling functions in C, they modify the pointer content.

In PHP this would be a pass-by-reference.
However that's not done, all scaling functions are effectively useless as they scale within the library but do not change the supplied data.

This is probably a bug since the first implementation until today.

Test script:
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        $values=[1,2,3];
        fann_scale_input($ann, $values);
        var_dump($values);