sub quant{
# 14 characters, but I am bad at this, I'm sure it can get shorter
int((shift)*8)
}

[download]
Update:
Hah. I made the same mistake as LanX above. It works up to 8/9, then it fails.

sub quant{ int((shift)*8) }

for ( 1 .. 9 ) {
    print "$_ => ", quant( ($_/9) - 0.0001 ), "\n";
}

[download]
1 => 0
2 => 1
3 => 2
4 => 3
5 => 4
6 => 5
7 => 6
8 => 7
9 => 7  // BOOM!

[download]
What do we learn? Test all cases :-)


holli

You can lead your users to water, but alas, you cannot drown them.

In reply to Re: sub as mathematical function by holli
in thread sub as mathematical function by Anonymous Monk

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