Exemplo n.º 1
0
def test_lost_edge():
    g = {
        "R": set(["A", "Q"]),
        "Q": set(["A", "B"]),
        "A": set(["B"]),
        "B": set(["C", "D", "E"]),
        "H": set(["Q", "A", "X"]),
        "E": set(["H"]),
        "G": set(["X"]),
        "F": set(["X"]),
        "D": set(["E", "G"]),
        "C": set(["F"]),
        "X": set(["R"])
    }

    S = "A"
    T = "X"

    print("GRAPH IS: ")
    pprint.pprint(g)

    print("################################# BRUTE FORCE SOLUTION")

    brute_force_soln = brute_force_solution(g, S, T)

    if (brute_force_soln["result"]):
        a = verify_solution_if_paths_exist(g,
                                           brute_force_soln["a_shortest_path"],
                                           brute_force_soln["a_longer_path"],
                                           S, T)

        if (a):
            print("brute force correct")
        else:
            print("solution brute force came up with is WRONG")
    else:
        print("Solution was not found with brute force solution")

    print("################################# POLY SOLUTION")

    poly_soln = poly_solution(g, S, T)

    if (poly_soln["result"]):
        b = verify_solution_if_paths_exist(g, poly_soln["a_shortest_path"],
                                           poly_soln["a_longer_path"], S, T)
        if (b):
            print("poly soln is correct")
        else:
            print("solution POLY came up with is WRONG")

    else:
        print("Solution was not found with poly solution")
Exemplo n.º 2
0
def test_outer_vertex_method():
    # This graph will test outer vertex method for the polynomial solution
    g = {
        0: set([1, 2]),
        1: set([2, 3]),
        2: set([
            3,
        ]),
        3: set([0, 5, 7]),
        5: set([9]),
        9: set([]),
        7: set([])
    }

    print("GRAPH IS: ")
    pprint.pprint(g)

    print("################################# BRUTE FORCE SOLUTION")

    brute_force_soln = brute_force_solution(g, 1, 5)

    if (brute_force_soln["result"]):
        a = verify_solution_if_paths_exist(g,
                                           brute_force_soln["a_shortest_path"],
                                           brute_force_soln["a_longer_path"],
                                           1, 5)

        if (a):
            print("brute force correct")
        else:
            print("solution brute force came up with is WRONG")
    else:
        print("Solution was not found with brute force solution")

    print("################################# POLY SOLUTION")

    poly_soln = poly_solution(g, 1, 5)

    if (poly_soln["result"]):
        b = verify_solution_if_paths_exist(g, poly_soln["a_shortest_path"],
                                           poly_soln["a_longer_path"], 1, 5)
        if (b):
            print("poly soln is correct")
        else:
            print("solution POLY came up with is WRONG")

    else:
        print("Solution was not found with poly solution")
Exemplo n.º 3
0
def run_example(g, S, T):
    print("GRAPH IS: ")
    pprint.pprint(g)

    print("################################# BRUTE FORCE SOLUTION")

    brute_force_soln = brute_force_solution(g, S, T)

    if (brute_force_soln["result"]):
        a = verify_solution_if_paths_exist(g,
                                           brute_force_soln["a_shortest_path"],
                                           brute_force_soln["a_longer_path"],
                                           S, T)

        if (a):
            print("brute force correct")
            print(brute_force_soln)
        else:
            print("solution brute force came up with is WRONG")
    else:
        print("Solution was not found with brute force solution")

    print("################################# POLY SOLUTION")

    poly_soln = poly_solution(g, S, T)

    if (poly_soln["result"]):
        b = verify_solution_if_paths_exist(g, poly_soln["a_shortest_path"],
                                           poly_soln["a_longer_path"], S, T)
        if (b):
            print("poly soln is correct")
        else:
            print("solution POLY came up with is WRONG")

    else:
        print("Solution was not found with poly solution")

    print("##############################################")
Exemplo n.º 4
0
def run_poly_example(g, S, T):

    poly_soln = poly_solution(g, S, T)
Exemplo n.º 5
0
def benchmark_correctness_testing(DEBUG=False):
    score = 0
    i = 0
    errors = 0
    # Create file that saves examples that lead to errors
    filename = "correctness-benchmarking/correctness-testing-" + \
                    str(datetime.datetime.now().date()) + '_' + \
                    str(datetime.datetime.now().time()).replace(':', '.')

    os.makedirs(os.path.dirname(filename), exist_ok=True)

    fp = open(filename, "w+")

    while True:

        #g = create_example_rand_directed_graph(vertices=50, max_neighbors=3)
        g = create_graph_with_h_path(20, 2)["g"]

        Sarr = [1, 2, 3, 4, 5]
        Tarr = [10, 11, 12, 13, 14]

        # ITERATE THROUGH DIFFERENT S AND T:
        fail = False
        for S in Sarr:
            for T in Tarr:
                i += 1

                if DEBUG: pprint.pprint(g)

                if DEBUG:
                    print(
                        "################################# BRUTE FORCE SOLUTION, index is ",
                        i)

                brute_force_soln = brute_force_solution(g, S, T)
                if DEBUG: print(brute_force_soln)
                if (brute_force_soln["result"]):
                    a = verify_solution_if_paths_exist(
                        g, brute_force_soln["a_shortest_path"],
                        brute_force_soln["a_longer_path"], S, T)

                    if (a):
                        if DEBUG: print("brute force correct")
                    else:
                        print("solution brute force came up with is WRONG")
                        break
                else:
                    if DEBUG:
                        print(
                            "Solution was not found with brute force solution")

                if DEBUG:
                    print(
                        "################################# POLY SOLUTION, index is ",
                        i)

                poly_soln = poly_solution(g, S, T)

                if (poly_soln["result"]):
                    b = verify_solution_if_paths_exist(
                        g, poly_soln["a_shortest_path"],
                        poly_soln["a_longer_path"], S, T)
                    if (b):
                        if DEBUG: print("poly soln is correct")
                    else:
                        print("solution POLY came up with is WRONG")
                        break

                else:
                    if DEBUG:
                        print("Solution was not found with poly solution")

                if DEBUG:
                    print("##############################################")
                if DEBUG: print(brute_force_soln)

                if brute_force_soln["result"] != poly_soln["result"]:
                    print(
                        "BRUTE FORCE SOLUTION RESULT AND POLY SOLUTION RESULT DIFFER. BAD BREAK",
                        file=fp)
                    print(
                        "BRUTE FORCE SOLUTION RESULT AND POLY SOLUTION RESULT DIFFER. BAD BREAK"
                    )

                    pprint.pprint(g, fp)
                    pprint.pprint(g)
                    print("S AND T WERE ", (S, T), file=fp)
                    print("S AND T WERE ", (S, T))

                    # fail = True
                    errors += 1
                    break
                else:
                    score += 1

                print("index: " + str(i) +
                      " is correct. poly soln matches brute force." +
                      "tot errors: " + str(errors))

            #if(fail):
            #    break
        if (fail):
            break
    print("THE SCORE OUR POLY SOLUTION RECIEVED IS ", score)
Exemplo n.º 6
0
def test_when_shortest_path_is_length_1():
    g = {
        0:
        set([19, 2, 67, 70, 6, 40, 42, 99, 21, 54, 57]),
        1:
        set([
            0, 97, 98, 99, 22, 51, 71, 72, 16, 50, 67, 52, 86, 89, 90, 63, 60,
            69, 31
        ]),
        2:
        set([98, 67, 7, 44, 46, 48, 17, 82, 83, 78, 25, 95, 94, 63]),
        3:
        set([42, 35, 37, 71, 41, 74, 11, 44, 79, 51, 53, 73, 88, 25, 61, 30]),
        4:
        set([6, 7, 76, 45, 46, 59, 29]),
        5:
        set([66, 22, 38, 41, 74, 48, 86, 73, 92, 30]),
        6:
        set([
            65, 98, 99, 68, 73, 11, 13, 78, 15, 80, 17, 52, 85, 34, 55, 88, 58,
            91
        ]),
        7:
        set([96, 66, 27, 37, 74, 47, 19, 52, 21, 91, 94]),
        8:
        set([65, 99, 36, 39, 72, 74, 51, 84, 85, 22, 90, 29, 62, 63]),
        9:
        set([]),
        10:
        set([68, 70, 7, 73, 75, 12, 77, 19, 85, 87, 61, 62]),
        11:
        set([0, 68, 38, 71, 72, 41, 74, 18, 16, 81, 82, 57, 91, 93, 31]),
        12:
        set([0, 65, 67, 39, 44, 79, 49, 87, 89, 27, 60, 94]),
        13:
        set([68, 71, 41, 63, 80, 81, 50, 56, 26, 91, 93, 94, 95]),
        14:
        set([32, 97, 99, 36, 5, 39, 74, 11, 76, 13, 80, 19, 23, 24, 27, 10]),
        15:
        set([57, 13, 39]),
        16:
        set([66, 34, 36, 7, 40, 2, 77, 79, 48, 19, 20, 24, 52, 71, 60, 30,
             63]),
        17:
        set([51, 61, 93]),
        18:
        set([
            0, 98, 35, 68, 5, 73, 43, 44, 78, 15, 59, 19, 52, 46, 24, 89, 58,
            27, 28
        ]),
        19:
        set([64, 1, 67, 37, 97, 10, 71, 45, 14, 13, 18, 3, 20, 24, 89, 26]),
        20:
        set([64, 65, 49, 97, 41, 43, 48, 17, 18, 86, 89, 63]),
        21:
        set([
            65, 4, 69, 72, 42, 62, 78, 46, 15, 81, 82, 85, 23, 56, 89, 58, 63,
            30, 31
        ]),
        22:
        set([32, 54, 38, 7, 8, 74, 43, 12, 15, 17, 82, 51, 52, 86, 24, 20,
             60]),
        23:
        set([32, 1, 67, 68, 5, 39, 10, 75, 49, 35, 30, 57, 59, 60, 94, 95]),
        24:
        set([36]),
        25:
        set([34, 36, 16, 56, 83, 54, 88, 27, 31]),
        26:
        set([97, 34, 59, 68, 69, 33, 42, 12, 13, 78, 77, 27, 79, 56, 15, 31]),
        27:
        set([0, 4, 9, 74, 51, 53, 60, 31]),
        28:
        set([89, 5]),
        29:
        set([33, 91]),
        30:
        set([0, 83, 6, 87]),
        31:
        set([16, 95, 7, 76, 63]),
        32:
        set([]),
        33:
        set([
            1, 2, 99, 6, 40, 74, 75, 44, 15, 49, 50, 35, 21, 22, 87, 56, 67,
            58, 95
        ]),
        34:
        set([0, 88, 27, 81]),
        35:
        set([]),
        36:
        set([1, 66, 3, 69, 40, 73, 79, 12, 15, 90, 27, 84, 56, 58, 91, 93,
             62]),
        37:
        set([2, 67, 68, 49, 8, 41, 91, 92, 81, 82, 46, 54, 55, 56, 25, 59,
             60]),
        38:
        set([4, 7, 40, 45, 78, 47, 17, 84, 85, 54, 56, 89, 29]),
        39:
        set([]),
        40:
        set([95]),
        41:
        set([3, 75, 11, 34]),
        42:
        set([64, 33, 2, 68, 0, 77, 88, 29, 95]),
        43:
        set([0, 69, 38, 40, 88, 20, 85, 56, 31]),
        44:
        set([89, 90, 17]),
        45:
        set([
            0, 51, 12, 42, 55, 76, 61, 48, 17, 44, 83, 24, 9, 88, 89, 59, 92,
            10
        ]),
        46:
        set([41]),
        47:
        set([
            97, 67, 36, 5, 6, 73, 75, 77, 78, 17, 51, 84, 53, 88, 68, 26, 91,
            61
        ]),
        48:
        set([16, 17]),
        49:
        set([35, 15]),
        50:
        set([17]),
        51:
        set([64, 4, 70, 8, 9, 43, 15, 18, 85, 87, 56, 68, 26, 79, 60, 95]),
        52:
        set([61, 7, 9, 74, 43, 50, 47, 80, 81, 82, 20, 88, 57, 26, 59, 58,
             31]),
        53:
        set([18, 4, 6, 12, 13, 47, 82, 19, 20, 21, 22, 55, 57, 59, 89, 30]),
        54:
        set([16, 34, 69, 70, 1, 10, 7, 77, 80, 86, 87, 56, 89, 58, 28, 26,
             94]),
        55:
        set([82, 67, 21, 77]),
        56:
        set([0, 37, 11, 12, 13, 50, 57, 28]),
        57:
        set([
            65, 67, 1, 5, 51, 97, 9, 42, 76, 79, 16, 19, 52, 62, 89, 38, 92,
            29, 94
        ]),
        58:
        set([2, 11, 81, 19, 52, 89, 90, 92]),
        59:
        set([0, 1, 34, 35, 70, 40, 73, 11, 2, 46, 15, 3, 52, 85, 25, 58]),
        60:
        set([
            0, 33, 98, 11, 49, 40, 41, 71, 34, 80, 24, 50, 20, 9, 56, 23, 87,
            61, 94
        ]),
        61:
        set([65, 66, 97, 6, 39, 9, 10, 34, 48, 17, 83, 41, 87, 24, 25, 28,
             62]),
        62:
        set([34, 5, 6, 15, 82, 20, 21, 38, 92]),
        63:
        set([41, 60, 22, 28]),
        64:
        set([
            96, 99, 36, 69, 6, 39, 47, 75, 50, 46, 61, 48, 27, 82, 59, 92, 93
        ]),
        65:
        set([63]),
        66:
        set([96, 83, 36, 69, 39, 73, 14, 13, 46, 56, 19, 84, 78, 54, 24, 25]),
        67:
        set([2, 43, 72, 12, 75, 76, 81, 3, 53, 22, 55, 24, 89, 26, 60, 90]),
        68:
        set([64, 66, 67, 4, 6, 76, 77, 45, 48, 21, 22, 24, 89, 15, 28]),
        69:
        set([65, 66, 6, 40, 41, 10, 12, 13, 78, 80, 49, 82, 29, 31]),
        70:
        set([35, 36, 42, 12, 47, 81, 83, 53]),
        71:
        set([36, 37, 81, 50, 19, 20, 30, 63]),
        72:
        set([0, 64, 66, 4, 6, 40, 95, 77, 17, 82, 21, 89, 59, 94, 53]),
        73:
        set([98, 3, 68, 5, 72, 28, 42, 80, 53, 57, 88, 36, 27, 92, 85, 21]),
        74:
        set([12]),
        75:
        set([33, 98, 36, 11, 48, 51, 62, 89, 58, 27, 61, 30]),
        76:
        set([96, 6, 77, 15, 80, 81, 21, 30]),
        77:
        set([80, 43, 15, 48, 86, 55, 57, 26, 59]),
        78:
        set([33, 66, 39, 11, 76, 14, 17, 19, 20, 54, 23, 27]),
        79:
        set([
            35, 67, 99, 81, 39, 42, 76, 18, 93, 80, 49, 82, 51, 21, 55, 24, 90,
            29
        ]),
        80:
        set([0, 65, 66, 67, 38, 49, 7, 56, 75, 22, 55, 88, 25]),
        81:
        set([64, 1, 66, 75, 5, 38, 71, 8, 43, 17, 52, 53, 72]),
        82:
        set([]),
        83:
        set([98, 66, 5, 39, 8, 77, 88, 21, 24, 57, 91, 30]),
        84:
        set([64, 48, 98, 3, 37, 7, 8, 73, 71, 45, 78, 11, 82, 21, 60, 69, 63]),
        85:
        set([64, 16, 99, 6, 97, 47, 48, 18, 21, 23, 24, 58, 60, 90]),
        86:
        set([38, 73, 11, 13, 48, 83, 21, 87, 26, 27, 63]),
        87:
        set([27]),
        88:
        set([36, 5, 46, 51, 4, 31, 62, 37]),
        89:
        set([66, 36, 81, 8, 74, 75, 76, 77, 13, 72, 18, 86, 24, 68, 90]),
        90:
        set([96, 24, 26, 92, 5]),
        91:
        set([41, 11, 14, 95]),
        92:
        set([0, 64, 76]),
        93:
        set([]),
        94:
        set([75, 44, 13, 78, 17, 50, 20, 22, 28, 62]),
        95:
        set([33, 38, 11, 78, 84, 87, 20, 58, 28]),
        96:
        set([19, 1, 98, 36, 68, 9, 42, 47, 50, 51, 54, 4, 58, 95]),
        97:
        set([56]),
        98:
        set([
            97, 34, 67, 4, 70, 74, 2, 46, 79, 49, 52, 53, 22, 57, 56, 88, 27,
            94
        ]),
        99:
        set([4, 39, 8, 28, 10, 77, 81, 82, 85, 56, 90, 60, 26, 94, 63])
    }
    S = 1
    T = 89

    print("GRAPH IS: ")
    pprint.pprint(g)

    print("################################# BRUTE FORCE SOLUTION")

    brute_force_soln = brute_force_solution(g, S, T)

    if (brute_force_soln["result"]):
        a = verify_solution_if_paths_exist(g,
                                           brute_force_soln["a_shortest_path"],
                                           brute_force_soln["a_longer_path"],
                                           S, T)

        if (a):
            print("brute force correct")
        else:
            print("solution brute force came up with is WRONG")
    else:
        print("Solution was not found with brute force solution")

    print("################################# POLY SOLUTION")

    poly_soln = poly_solution(g, S, T)

    if (poly_soln["result"]):
        b = verify_solution_if_paths_exist(g, poly_soln["a_shortest_path"],
                                           poly_soln["a_longer_path"], S, T)
        if (b):
            print("poly soln is correct")
        else:
            print("solution POLY came up with is WRONG")

    else:
        print("Solution was not found with poly solution")

    print("##############################################")
    print(brute_force_soln)