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/* $Revision: 1.4 $ $Date: 2006/09/07 08:38:33 $ $Author: dgl $ $Name:  $ $Id: Dynamics.h,v 1.4 2006/09/07 08:38:33 dgl Exp $ */
#ifndef DYNAMICS_H
#define DYNAMICS_H

// The Musimat Tutorial © 2006 Gareth Loy
// Derived from Chapter 9 and Appendix B of "Musimathics Vol. 1" © 2006 Gareth Loy 
// and published exclusively by The MIT Press.
// This program is released WITHOUT ANY WARRANTY; without even the implied 
// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
// For information on usage and redistribution, and for a DISCLAIMER OF ALL
// WARRANTIES, see the file, "LICENSE.txt," in this distribution.
// "Musimathics" is available here:     http://mitpress.mit.edu/catalog/item/default.asp?ttype=2&tid=10916
// Gareth Loy's Musimathics website:    http://www.musimathics.com/
// The Musimat website:                 http://www.musimat.com/
// This program is released under the terms of the GNU General Public License
// available here:                      http://www.gnu.org/licenses/gpl.txt

#include <math.h>



template<class Type> inline Type dBCoefficient( Type x, Type ref = 1.0 ) { Return( pow(10.0, x / 20.0 ) / ref); }


template<class Type> inline Type dBSPL( Type x, Type ref = 1.0 ) { Return 20.0 * log10(x / ref); }

template<class Type> inline Type dBSIL( Type x, Type ref = 1.0 ) { Return 10.0 * log10(x / ref); }



Const Real 
        Fff = dBCoefficient(-10.0),             
        Ff = dBCoefficient(-18.0),              
        Forte = dBCoefficient(-24.0),           
        Mf = dBCoefficient(-32.0),              
        Mp = dBCoefficient(-40.0),              
        P = dBCoefficient(-48.0),               
        Pp = dBCoefficient(-56.0),              
        Ppp = dBCoefficient(-64.0)              
;

#endif // DYNAMICS_H