Skip to main content

pcdiff​

pcdiff(
    @a ## int/float/list (required)
    @b ## int/float/list (required)
    @mod 12
) -> int/float/list

Signed pitch class difference.

Arguments​

  • @a [int/float/list]: Pitch classes. (required)
  • @b [int/float/list]: Pitch classes. (required)
  • @mod [int/float/list]: Modulo. (default: 12).

Output​

Signed difference [int/float/list]

Usage​

$c = 0;
$g = 7;
$f = 5;
pcdiff($c, $g); ## -5
pcdiff($c, $f) ## +5