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C/C++ Source or Header  |  2000-03-28  |  235b  |  12 lines
  1.  
  2. #define ABS(X) (X<0?-X:X)
  3. #define COS(X) cos_table[ABS(X)]
  4. #define SIN(X) sin_table[ABS(X)]
  5.  
  6. const NUMOFDEGREES = 360;
  7. const SHIFT = 10;
  8. const SHIFT_MULT = 1<<SHIFT;
  9.  
  10. extern long cos_table[360];
  11. extern long sin_table[360];
  12.