#define MAX_WIDTH 8192
#define MAX_HEIGHT 4096
-static inline max(double a, double b) {return a>b?a:b;}
-static inline min(double a, double b) {return a<b?a:b;}
+static inline double max(double a, double b) {return a>b?a:b;}
+static inline double min(double a, double b) {return a<b?a:b;}
static int adjust_x(int xmin, int xmax)
{