mesh.c

来自「细胞自动机的一个源代码」· C语言 代码 · 共 29 行

#include "mesh.h"

struct mesh_2f *mushinit(int r, int c) {
  int i, j;
  struct mesh_2f *m;

  m = (struct mesh_2f *)malloc(sizeof(struct mesh_2f));
  m->r = r;
  m->c = c;

  m->m = (struct mpnt2f **)malloc((sizeof(struct mpnt2f)*r*c)
				 +(sizeof(struct mpnt2f *)*r));

  for (i=0; i<r; i++) {
    j = (int)m->m;
    j+=r*sizeof(struct mpnt2f *);
    j+=i*c*sizeof(struct mpnt2f);
    m->m[i] = (struct mpnt2f *)j;
  }
  return(m);
}

void mushfree(struct mesh_2f *m) {
  int i, j;

  free(m->m);
  free(m);
}