#ifndef pz_matrix_H
#define pz_matrix_H

/* 4x4 projective transformation matrices */
/* Last edited on 2008-02-08 12:44:38 by stolfi */ 

#include <r4x4.h>

typedef r4x4_t pz_matrix_t;

pz_matrix_t pz_matrix_read(FILE *rd);
  /* Reads a transformation matrix from file {fname}. */
    
void pz_matrix_write(FILE *wr, pz_matrix_t *m);
  /*  Writes a 4x4 matrix to {wr}. */

#endif