typedef unsigned char      Byte;

typedef unsigned int       Word;

typedef unsigned long      DWord;

typedef enum {false, true} Boolean;

typedef struct
{
  Byte Red;
  Byte Grn;
  Byte Blu;
}
RGB;

typedef RGB Palette_Register[256];

typedef float TDA[3];

typedef int   TDIA[3];

typedef float FDA[4];

typedef float Matx4x4[4][4];

#define MaxCol   7
#define MaxInten 35

#define Ln10 2.30258509299405E+000
#define OneOverLn10 0.43429448190325E+000
#define Pi 3.1415927
#define PiOver180 1.74532925199433E-002
#define PiUnder180 5.72957795130823E+001