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107 changes: 107 additions & 0 deletions NAMESPACE
Original file line number Diff line number Diff line change
Expand Up @@ -16,21 +16,128 @@ export(cudd_autodyn_disable_zdd)
export(cudd_autodyn_enable)
export(cudd_autodyn_enable_zdd)
export(cudd_background)
export(cudd_bdd_adj_permute_x)
export(cudd_bdd_and_abstract)
export(cudd_bdd_and_limit)
export(cudd_bdd_apa_print_minterm)
export(cudd_bdd_apa_print_minterm_exp)
export(cudd_bdd_approx_conj_decomp)
export(cudd_bdd_approx_disj_decomp)
export(cudd_bdd_biased_over_approx)
export(cudd_bdd_biased_under_approx)
export(cudd_bdd_bind_var)
export(cudd_bdd_boolean_diff)
export(cudd_bdd_c_projection)
export(cudd_bdd_char_to_vect)
export(cudd_bdd_classify_support)
export(cudd_bdd_clipping_and)
export(cudd_bdd_clipping_and_abstract)
export(cudd_bdd_cof_minterm)
export(cudd_bdd_cofactor)
export(cudd_bdd_compose)
export(cudd_bdd_constrain)
export(cudd_bdd_constrain_decomp)
export(cudd_bdd_correlation)
export(cudd_bdd_correlation_weights)
export(cudd_bdd_count_leaves)
export(cudd_bdd_count_minterm)
export(cudd_bdd_count_path)
export(cudd_bdd_decreasing)
export(cudd_bdd_density)
export(cudd_bdd_dump_dot)
export(cudd_bdd_epd_print_minterm)
export(cudd_bdd_equiv_dc)
export(cudd_bdd_estimate_cofactor)
export(cudd_bdd_estimate_cofactor_simple)
export(cudd_bdd_eval)
export(cudd_bdd_exist_abstract)
export(cudd_bdd_factored_form_string)
export(cudd_bdd_find_essential)
export(cudd_bdd_gen_conj_decomp)
export(cudd_bdd_gen_disj_decomp)
export(cudd_bdd_increasing)
export(cudd_bdd_interpolate)
export(cudd_bdd_intersect)
export(cudd_bdd_is_cube)
export(cudd_bdd_is_one)
export(cudd_bdd_is_var)
export(cudd_bdd_is_var_essential)
export(cudd_bdd_is_zero)
export(cudd_bdd_isop)
export(cudd_bdd_ite)
export(cudd_bdd_ite_constant)
export(cudd_bdd_ite_formula)
export(cudd_bdd_iter_conj_decomp)
export(cudd_bdd_iter_disj_decomp)
export(cudd_bdd_largest_cube)
export(cudd_bdd_largest_prime_unate)
export(cudd_bdd_ldbl_count_minterm)
export(cudd_bdd_leq)
export(cudd_bdd_leq_unless)
export(cudd_bdd_li_compaction)
export(cudd_bdd_literal_set_intersection)
export(cudd_bdd_make_prime)
export(cudd_bdd_maximally_expand)
export(cudd_bdd_min_hamming_dist)
export(cudd_bdd_minimize)
export(cudd_bdd_nand)
export(cudd_bdd_nor)
export(cudd_bdd_np_and)
export(cudd_bdd_one)
export(cudd_bdd_or_limit)
export(cudd_bdd_over_approx)
export(cudd_bdd_permute)
export(cudd_bdd_pick_one_cube)
export(cudd_bdd_pick_one_minterm)
export(cudd_bdd_port_to_zdd)
export(cudd_bdd_print)
export(cudd_bdd_print_cover)
export(cudd_bdd_print_cover_with_cube)
export(cudd_bdd_print_debug)
export(cudd_bdd_print_factored_form)
export(cudd_bdd_print_minterm)
export(cudd_bdd_print_two_literal_clauses)
export(cudd_bdd_realign_disable)
export(cudd_bdd_realign_enable)
export(cudd_bdd_realignment_enabled)
export(cudd_bdd_remap_over_approx)
export(cudd_bdd_remap_under_approx)
export(cudd_bdd_restrict)
export(cudd_bdd_shortest_length)
export(cudd_bdd_shortest_path)
export(cudd_bdd_solve_eqn)
export(cudd_bdd_split_set)
export(cudd_bdd_squeeze)
export(cudd_bdd_subset_compress)
export(cudd_bdd_subset_heavy_branch)
export(cudd_bdd_subset_short_paths)
export(cudd_bdd_summary)
export(cudd_bdd_superset_compress)
export(cudd_bdd_superset_heavy_branch)
export(cudd_bdd_superset_short_paths)
export(cudd_bdd_support)
export(cudd_bdd_support_indices)
export(cudd_bdd_support_size)
export(cudd_bdd_swap_variables)
export(cudd_bdd_to_add)
export(cudd_bdd_to_zdd)
export(cudd_bdd_transfer)
export(cudd_bdd_truth_table)
export(cudd_bdd_unbind_var)
export(cudd_bdd_under_approx)
export(cudd_bdd_univ_abstract)
export(cudd_bdd_var)
export(cudd_bdd_var_are_symmetric)
export(cudd_bdd_var_conj_decomp)
export(cudd_bdd_var_disj_decomp)
export(cudd_bdd_var_is_bound)
export(cudd_bdd_var_is_dependent)
export(cudd_bdd_vector_compose)
export(cudd_bdd_verify_sol)
export(cudd_bdd_xnor)
export(cudd_bdd_xor_exist_abstract)
export(cudd_bdd_xor_method)
export(cudd_bdd_zdd_isop)
export(cudd_bdd_zero)
export(cudd_clear_error_code)
export(cudd_clear_variable_names)
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16 changes: 16 additions & 0 deletions R/cudd_bdd.R
Original file line number Diff line number Diff line change
Expand Up @@ -135,6 +135,22 @@ setMethod("^", signature(e1 = "CuddBDD", e2 = "CuddBDD"), function(e1, e2) {
return(methods::new("CuddBDD", ptr = ptr, manager_ptr = .cudd_bdd_manager_ptr(e1)))
})

#' Restrict a BDD with a constraint
#'
#' Applies the CUDD `Restrict` operator to reduce a BDD given a constraint BDD.
#'
#' @param bdd A [`CuddBDD`] instance to restrict.
#' @param constraint A [`CuddBDD`] instance expressing the restriction.
#' @return A [`CuddBDD`] instance.
#' @export
cudd_bdd_restrict <- function(bdd, constraint) {
if (!.cudd_check_same_manager(bdd, constraint, "Restrict")) {
stop("Cannot restrict BDDs from different CuddManager instances.", call. = FALSE)
}
ptr <- .Call(c_cudd_bdd_restrict, .cudd_bdd_ptr(bdd), .cudd_bdd_ptr(constraint))
return(methods::new("CuddBDD", ptr = ptr, manager_ptr = .cudd_bdd_manager_ptr(bdd)))
}

#' Print an EPD minterm count for a BDD
#'
#' This uses the CUDD `EpdPrintMinterm` implementation, which writes to R's
Expand Down
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