PitchInequality

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class abjad.utilities.PitchInequality.PitchInequality(operator_string='&', pitches=None)

Pitch inequality.

>>> inequality = abjad.PitchInequality('&', 'C4 E4')
>>> abjad.f(inequality)
abjad.PitchInequality(
    operator_string='&',
    pitches=abjad.PitchSet(
        [0, 4]
        ),
    )
>>> inequality(abjad.Staff("d'8 e' f' g'"))
True
>>> inequality(abjad.Staff("e'8 f' g' a'"))
True
>>> inequality(abjad.Staff("f'8 g' a' b'"))
False

Note

only intersection currently implemented.


Attributes Summary

__call__ Calls inequality on argument.
operator_string Gets operator string.
pitches Gets pitches.

Special methods

__call__(argument)

Calls inequality on argument.

Returns true or false.

(AbjadValueObject).__copy__(*arguments)

Copies Abjad value object.

Returns new Abjad value object.

(AbjadValueObject).__eq__(argument)

Is true when all initialization values of Abjad value object equal the initialization values of argument.

Returns true or false.

(AbjadObject).__format__(format_specification='')

Formats Abjad object.

Set format_specification to '' or 'storage'. Interprets '' equal to 'storage'.

Returns string.

(AbjadValueObject).__hash__()

Hashes Abjad value object.

Returns integer.

(AbjadObject).__repr__()

Gets interpreter representation of Abjad object.

Returns string.


Read-only properties

operator_string

Gets operator string.

Returns string.

pitches

Gets pitches.

Returns numbered pitch set.