gridreshape() [2/2]

static2 void gridreshape

(

Int *

ctxtp

)

Definition at line 654 of file pdtrmr.c.

{
  Int   ori, final;     /* original context, and new context created, with
                         * line form */
  Int   nprow, npcol, myrow, mycol;
  Int  *usermap;
  Int   i, j;
  ori = *ctxtp;
  Cblacs_gridinfo(ori, &nprow, &npcol, &myrow, &mycol);
  usermap = mr2d_malloc(sizeof(Int) * nprow * npcol);
  for (i = 0; i < nprow; i++)
    for (j = 0; j < npcol; j++) {
      usermap[i + j * nprow] = Cblacs_pnum(ori, i, j);
    }
  /* Cblacs_get(0, 0, &final); */
  Cblacs_get(ori, (Int)10, &final);
  Cblacs_gridmap(&final, usermap, (Int)1, (Int)1, nprow * npcol);
  *ctxtp = final;
  free(usermap);

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