void
dotest(int nrows, int ncols, int *xys)
{
BITMAT *inp = bitmat(nrows, ncols);
BITMAT *exp = bitmat(ncols, nrows);
for (; *xys >= 0; xys += 2) {
bitmat_set(inp, xys[0] % nrows, xys[1] % ncols, 1);
bitmat_set(exp, xys[1] % ncols, xys[0] % nrows, 1);
}
puts("---- inp"); prbm(inp);
puts("---- exp"); prbm(exp);
BITMAT *act = bitmat_trans(inp);
int rc = bitmat_cmp(act, exp);
ok(!rc, "trans %d x %d", nrows, ncols);
if (rc) {
puts("actual:");
prbm(act);
}
bitmat_destroy(inp);
bitmat_destroy(exp);
bitmat_destroy(act);
}
BITMAT*
naive_trans(BITMAT const*bmp)
{
unsigned i, j;
BITMAT *ret = bitmat(bmp->ncols, bmp->nrows);
for (i = 0; i < bmp->nrows; ++i)
for (j = 0; j < bmp->ncols; ++j)
bitmat_set(ret, j, i, bitmat_get(bmp, i, j));
return ret;
}