1 2 #define MAX(A,B) ((A)>(B) ? (A):(B)) 3 #define MIN(A,B) ((A)<(B) ? (A):(B)) 4 5 #define ABS(X) ((X) < 0 ? -(X) : (X)) 6 7 static const int LOGICAL_TRUE = 1; 8 static const int LOGICAL_FALSE = 0; 9 static const int LOGICAL_ERROR = -1; 10 11 float C_EPS; 12 13