codesamples/C/FEV.h

#ifndef FEV_h
#define _FEV_h

/***************important matrix macro************/

#define e(m,i,j) m->mat[i][j]



/***************external matrix**************/

extern dvec dvector(int);
extern void dvec_free(dvec);
extern matrix_t mat_mpy(matrix_t, matrix_t);
extern matrix_t mat_add(matrix_t, matrix_t, int);
extern matrix_t mat_frd(char*);
extern matrix_t mat_new(int, int);
extern int dvec_pr();
extern int mat_pr(char*, matrix_t, FILE*);
extern void mat_free(matrix_t);
extern void cberror(char*);




/***************external FEV**************/

extern vertex_t get_v_arr();
extern pr_edge_t get_e_arr();
extern pr_face_t get_f_arr();

extern int reset(char);

extern vertex_t new_vert(double, double, double);
extern edge_t new_edge(vertex_t, vertex_t);
extern face_t new_face (edge_t[], int);
extern face_t new_tetrahedron();

extern int vert_fr(vertex_t);
extern int edge_fr(edge_t, int);
extern int face_fr(face_t, int);

extern int vert_pr(char*, vertex_t, FILE*);
extern int edge_pr(char*, edge_t);
extern int face_pr(char*, face_t);

extern int short_vert_pr(vertex_t);
extern int short_edge_pr(edge_t);
extern int short_face_pr(face_t);
extern int short_poly_pr(face_t);


extern pr_edge_t new_print_edge(edge_t);
extern pr_face_t new_print_face(face_t);

extern int pr_edge_fr(pr_edge_t, int);
extern int pr_face_fr(pr_face_t, int, int);

extern int pr_edge_pr(char*, pr_edge_t, FILE*);
extern int pr_face_pr(char*, pr_face_t, FILE*);

extern int short_pr_edge_pr(pr_edge_t);
extern int short_pr_face_pr(pr_face_t);

extern vertex_t vert_read(FILE*);
extern int printificate(face_t, char*);
extern face_t readificate(char*);

/*****************basics ****************/
#define max(x,y) x>y?x:y
#define min(x,y) x>y?y:x
/* #define abs(x) x>0?x:-x */

#define deg_to_rad ( (double) M_PI/180.0)


/**********error codes***************/
#define OK 1
#define MALLOC 0
#define NILARG1 -1
#define NILARG2 -2
#define NILARG3 -3
#define NILARG4 -4
#define SINGULAR -5
#define NONSQUARE -6
#define NONCONFORM -7
#define NONAFFINE -8
#endif