34 #define iround(x) ((int)(floor)(x+0.5)) 35 #define min(x,y) ((x<y)?x:y) 36 #define max(x,y) ((x<y)?y:x) 37 #define fsign(x) ((x<0.0)?(-1):1) 39 #define PI (3.141592653589793) 41 #define STRING_SIZE 74 42 #define REQUEST_COUNT 4 void read_parameters(FILE *fp_in)