NVERT

[GENERIC-FUNCTION]


OMPitchField
Function Reference
ARGUMENTS:
  - p-or-pc pitch or pc number (or list of them) [default = 1]
  - index index of inversion [default = 0]
&optional
 
  - n modulus of the pc space (or NIL for p space) [default = 12]

Description:


Performs pc- or p-space inversion of P-OR-PC by a designated INDEX.
The default case is a pc-space of twelve equal steps per octave
(semitones). The optional parameter N can be used to specify a
different number of equal steps per octave, or it can be set to NIL
for p-space.

Will tolerate integers out of the mod-N range in P-OR-PC and INDEX
when performing pc-space inversion.



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