void
diff_init_result(struct diff_result *result, const struct bn_tol *curr_diff_tol, const char *obj_name)
{
if (!result) return;
if (obj_name) {
result->obj_name = bu_strdup(obj_name);
} else {
result->obj_name = NULL;
}
result->dp_left = RT_DIR_NULL;
result->dp_ancestor = RT_DIR_NULL;
result->dp_right = RT_DIR_NULL;
result->param_state = DIFF_EMPTY;
result->attr_state = DIFF_EMPTY;
BU_GET(result->diff_tol, struct bn_tol);
if (curr_diff_tol) {
(result)->diff_tol->magic = BN_TOL_MAGIC;
(result)->diff_tol->dist = curr_diff_tol->dist;
(result)->diff_tol->dist_sq = curr_diff_tol->dist_sq;
(result)->diff_tol->perp = curr_diff_tol->perp;
(result)->diff_tol->para = curr_diff_tol->para;
} else {
BN_TOL_INIT(result->diff_tol);
}
BU_GET(result->param_diffs, struct bu_ptbl);
BU_GET(result->attr_diffs, struct bu_ptbl);
BU_PTBL_INIT(result->param_diffs);
BU_PTBL_INIT(result->attr_diffs);
}
struct bn_tol *
rt_tol_default(struct bn_tol *tol)
{
if (!tol) {
BU_ALLOC(tol, struct bn_tol);
BN_TOL_INIT(tol);
}
BN_CK_TOL(tol);
tol->dist = 0.0005;
tol->dist_sq = tol->dist * tol->dist;
tol->perp = 1e-6;
tol->para = 1 - tol->perp;
return tol;
}