#include <stdint.h>
+#include "poly.h"
+
typedef struct _xrow {
int32_t*x;
int num;
int size;
+ int32_t lastx;
} xrow_t;
xrow_t* xrow_new();
void xrow_add(xrow_t*xrow, int32_t x);
void xrow_sort(xrow_t*xrow);
+void xrow_dump(xrow_t*xrow);
void xrow_reset(xrow_t*xrow);
void xrow_destroy(xrow_t*xrow);