/Users/garethloy/Musimathics/Musimat1.2/include/Pitch.h File Reference

The Pitch class. More...

#include <stdio.h>
#include <stdlib.h>
#include <iostream>
#include <math.h>

Go to the source code of this file.

Classes
class	Pitch
	Pitch implements representation and manipulation of musical pitches. More...
Functions
Integer	Accidental (Pitch p)
	The accidental of a pitch.
Integer	PitchClass (Integer i)
	Finds the corresponding pitch class of a key index.
Integer	PitchClass (Pitch p)
	Finds the corresponding pitch class of a Pitch.
Integer	Octave (Integer i)
	Finds the corresponding octave of a key index.
Integer	Octave (Pitch p)
	Returns the octave of a Pitch.
Real	PitchToHertz (Pitch p)
	Return the frequency of a Pitch.
Real	KeyToHertz (Integer i)
	Return the frequency of a key index.
Void	SetDegrees (Integer ref)
	Set the number of degrees used globally by Pitch.
Pitch	Mod (Pitch p, Integer len)

---

Detailed Description

The Pitch class.

Definition in file Pitch.h.

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Function Documentation

Integer Accidental

(

Pitch

p )

[inline]

The accidental of a pitch.

Parameters:

p

Pitch

Returns:

Accidental of a Pitch as an Integer

Definition at line 548 of file Pitch.h.

References Pitch::accidental(), and Return.

{
        Return p.accidental();
}

Real KeyToHertz

(

Integer

i )

[inline]

Return the frequency of a key index.

Parameters:

i

Key index

Returns:

The frequency of the corresponding key index

Definition at line 596 of file Pitch.h.

References Pitch::HzReference(), Octave(), PitchClass(), and Return.

{
        Real R = Pitch::HzReference();
        Integer k = PitchClass( i );
        Integer o = Octave( i );
        Return( R * pow(2.0, ( (o - 4) + k / 12) ) );
}

Pitch Mod	(	Pitch	p,
		Integer	len
	)		[inline]

Definition at line 611 of file Pitch.h.

References Return.

{
        Return( p % len );
}

Integer Octave

(

Integer

i )

[inline]

Finds the corresponding octave of a key index.

Parameters:

i

Key index

Returns:

The octave of the corresponding key index

Definition at line 572 of file Pitch.h.

References Return.

Referenced by KeyToHertz().

{
        Return( (i - 3) / 12 + 1 ); 
}

Integer Octave

(

Pitch

p )

[inline]

Returns the octave of a Pitch.

Parameters:

p

Pitch

Returns:

The octave of the corresponding Pitch

Definition at line 580 of file Pitch.h.

References Pitch::octave(), and Return.

{
        Return( p.octave() ); 
}

Integer PitchClass

(

Pitch

p )

[inline]

Finds the corresponding pitch class of a Pitch.

Parameters:

p

Pitch

Returns:

The pitch class of the corresponding Pitch

Definition at line 564 of file Pitch.h.

References Pitch::pitchClass(), and Return.

{
        Return( p.pitchClass() ); 
}

Integer PitchClass

(

Integer

i )

[inline]

Finds the corresponding pitch class of a key index.

Parameters:

i

Key index

Returns:

The pitch class of the corresponding key index

Definition at line 556 of file Pitch.h.

References Mod(), and Return.

Referenced by KeyToHertz().

{
        Return( Mod( (i - 3), 12 ) ); 
}

Real PitchToHertz

(

Pitch

p )

[inline]

Return the frequency of a Pitch.

Parameters:

p

Key index

Returns:

The frequency of the corresponding key index

Definition at line 588 of file Pitch.h.

References Pitch::hertz(), and Return.

{
        Return( p.hertz() );
}

Void SetDegrees

(

Integer

ref )

[inline]

Set the number of degrees used globally by Pitch.

Parameters:

ref	# of degrees

Definition at line 606 of file Pitch.h.

References Pitch::SetDegrees().

{
        Pitch::SetDegrees(ref); 
}