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C/C++ Source or Header  |  1994-11-23  |  2.2 KB  |  41 lines  |  [TEXT/KAHL]
  1. /* Frequency.h */
  2. /*****************************************************************************/
  3. /*                                                                           */
  4. /*    Out Of Phase:  Digital Music Synthesis on General Purpose Computers    */
  5. /*    Copyright (C) 1994  Thomas R. Lawrence                                 */
  6. /*                                                                           */
  7. /*    This program is free software; you can redistribute it and/or modify   */
  8. /*    it under the terms of the GNU General Public License as published by   */
  9. /*    the Free Software Foundation; either version 2 of the License, or      */
  10. /*    (at your option) any later version.                                    */
  11. /*                                                                           */
  12. /*    This program is distributed in the hope that it will be useful,        */
  13. /*    but WITHOUT ANY WARRANTY; without even the implied warranty of         */
  14. /*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          */
  15. /*    GNU General Public License for more details.                           */
  16. /*                                                                           */
  17. /*    You should have received a copy of the GNU General Public License      */
  18. /*    along with this program; if not, write to the Free Software            */
  19. /*    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.              */
  20. /*                                                                           */
  21. /*    Thomas R. Lawrence can be reached at tomlaw@world.std.com.             */
  22. /*                                                                           */
  23. /*****************************************************************************/
  24.  
  25. #ifndef Included_Frequency_h
  26. #define Included_Frequency_h
  27.  
  28. /* Frequency module depends on */
  29. /* MiscInfo.h */
  30. /* Audit */
  31. /* Debug */
  32. /* Definitions */
  33.  
  34. /* number of notes.  this should be a whole number of octaves */
  35. #define NUMNOTES (32 * 12)  /* should make CENTERNOTE a multiple of 12 */
  36. #define CENTERNOTE (NUMNOTES / 2)  /* middle C -- should be a multiple of 12 */
  37. #define MIDDLEC (261.625565300598635)
  38. #define LOG2 (0.693147180559945309)
  39.  
  40. #endif
  41.