On 2015-07-02 01:12, bvdp wrote:
Not sure what this is called (and I'm sure it's not normalize). Perhaps
"scaling"?
Anyway, I need to convert various values ranging from around -50 to 50 to an 0
to 12 range (this is part of a MIDI music program). I have a number of places
where I do:
while x < 0: x += 12
while x >= 12: x -= 12
Okay, that works. Just wondering if there is an easier (or faster) way to
accomplish this.
That's called "modular arithmetic". Use the modulo operator, '%':
x = x % 12
or just:
x %= 12
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