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|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* */
/* This file is part of the program and library */
/* PaPILO --- Parallel Presolve for Integer and Linear Optimization */
/* */
/* Copyright (C) 2020-2025 Zuse Institute Berlin (ZIB) */
/* */
/* This program is free software: you can redistribute it and/or modify */
/* it under the terms of the GNU Lesser General Public License as published */
/* by the Free Software Foundation, either version 3 of the License, or */
/* (at your option) any later version. */
/* */
/* This program is distributed in the hope that it will be useful, */
/* but WITHOUT ANY WARRANTY; without even the implied warranty of */
/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
/* GNU Lesser General Public License for more details. */
/* */
/* You should have received a copy of the GNU Lesser General Public License */
/* along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* */
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include "papilolib.h"
#include <catch2/catch_all.hpp>
#include "papilo/misc/fmt.hpp"
TEST_CASE( "papilolib", "[C-API]" )
{
constexpr int num_facilities = 25;
constexpr int num_customers = 50;
double facility_fixcost[] = {
7500.0, 7500.0, 7500.0, 7500.0, 7500.0, 7500.0, 7500.0, 7500.0, 7500.0,
7500.0, 0.0, 7500.0, 7500.0, 7500.0, 7500.0, 7500.0, 7500.0, 7500.0,
7500.0, 7500.0, 7500.0, 7500.0, 7500.0, 7500.0, 7500.0};
double facility_capacity[] = {58268.0, 58268.0, 58268.0, 58268.0, 58268.0,
58268.0, 58268.0, 58268.0, 58268.0, 58268.0,
58268.0, 58268.0, 58268.0, 58268.0, 58268.0,
58268.0, 58268.0, 58268.0, 58268.0, 58268.0,
58268.0, 58268.0, 58268.0, 58268.0, 58268.0};
double customer_demand[] = {
146.0, 87.0, 672.0, 1337.0, 31.0, 559.0, 2370.0, 1089.0, 33.0,
32.0, 5495.0, 904.0, 1466.0, 143.0, 615.0, 564.0, 226.0, 3016.0,
253.0, 195.0, 38.0, 807.0, 551.0, 304.0, 814.0, 337.0, 4368.0,
577.0, 482.0, 495.0, 231.0, 322.0, 685.0, 12912.0, 325.0, 366.0,
3671.0, 2213.0, 705.0, 328.0, 1681.0, 1117.0, 275.0, 500.0, 2241.0,
733.0, 222.0, 49.0, 1464.0, 222.0};
double facility_customer_service_cost[num_facilities][num_customers] = {
{6739.72500, 3204.86250, 4914.00000, 32372.11250, 1715.46250,
6421.51250, 81972.37500, 33391.46250, 2020.83750, 1459.60000,
141015.43750, 17684.50000, 38207.62500, 1953.73750, 17181.56250,
25640.85000, 7031.42500, 78453.70000, 9452.71250, 8597.06250,
1581.27500, 23170.98750, 12087.56250, 4883.00000, 24063.87500,
4124.03750, 281463.00000, 11056.76250, 8585.62500, 12480.18750,
3727.76250, 4673.02500, 13451.68750, 372672.60000, 9745.93750,
12055.12500, 97602.71250, 60774.51250, 54470.06250, 7146.30000,
38011.61250, 39723.31250, 16111.56250, 16981.25000, 168663.26250,
57109.86250, 15576.07500, 2542.48750, 34056.30000, 7095.67500},
{10355.05000, 5457.07500, 26409.60000, 29982.22500, 2152.17500,
23701.60000, 28499.25000, 26544.37500, 2480.77500, 1995.20000,
205925.12500, 32069.40000, 42477.35000, 5044.32500, 36054.37500,
35602.50000, 10492.05000, 92515.80000, 12441.27500, 14113.12500,
2030.15000, 48702.45000, 19877.32500, 12851.60000, 39682.50000,
12148.85000, 406770.00000, 22113.52500, 22449.15000, 25455.37500,
11116.87500, 13346.90000, 35106.25000, 229188.00000, 18070.00000,
18181.05000, 73603.55000, 63568.42500, 65177.25000, 8618.20000,
70728.07500, 52917.87500, 20714.37500, 32575.00000, 210766.05000,
66703.00000, 18481.50000, 3928.57500, 34221.00000, 11999.10000},
{7650.40000, 3845.40000, 19622.40000, 21024.32500, 1577.90000,
16197.02500, 43134.00000, 6370.65000, 1869.45000, 1402.40000,
104130.25000, 15322.80000, 15319.70000, 4089.80000, 25399.50000,
25154.40000, 6305.40000, 36644.40000, 7754.45000, 10500.75000,
1326.20000, 36072.90000, 9670.05000, 10822.40000, 24603.15000,
8180.67500, 325852.80000, 11424.60000, 14122.60000, 22151.25000,
8229.37500, 7880.95000, 25927.25000, 203364.00000, 12049.37500,
11400.90000, 59561.97500, 27330.55000, 52117.12500, 6428.80000,
39587.55000, 32225.45000, 15620.00000, 23312.50000, 169251.52500,
53124.17500, 14368.95000, 3020.85000, 24448.80000, 7886.55000},
{5219.50000, 2396.85000, 13876.80000, 29681.40000, 1061.75000,
10383.42500, 65767.50000, 16770.60000, 1324.95000, 869.60000,
12638.50000, 8429.80000, 15832.80000, 3428.42500, 16297.50000,
15763.80000, 2542.50000, 27445.60000, 3542.00000, 7254.00000,
693.50000, 26166.97500, 3801.90000, 8930.00000, 11050.05000,
5611.05000, 253234.80000, 5582.47500, 7458.95000, 19069.87500,
5826.97500, 4330.90000, 17347.62500, 322800.00000, 7198.75000,
5307.00000, 83331.70000, 30982.00000, 40378.87500, 7822.80000,
15801.40000, 13627.40000, 11041.25000, 16250.00000, 131938.87500,
40919.72500, 10672.65000, 2205.00000, 31329.60000, 4190.25000},
{5776.12500, 2628.48750, 9147.60000, 21275.01250, 1250.46250,
7483.61250, 58805.62500, 13571.66250, 1525.83750, 1050.80000,
46089.31250, 1231.70000, 11526.42500, 2289.78750, 15828.56250,
18421.65000, 3918.27500, 23562.50000, 5082.13750, 7875.56250,
924.82500, 23493.78750, 2252.21250, 6798.20000, 13644.67500,
2952.96250, 264755.40000, 2430.61250, 6609.42500, 15598.68750,
4628.66250, 2861.77500, 15249.81250, 261306.60000, 7592.81250,
7379.47500, 65940.33750, 20497.91250, 44494.31250, 5211.10000,
16494.81250, 20427.13750, 12598.43750, 16268.75000, 144628.53750,
45381.86250, 12024.07500, 2361.18750, 21905.10000, 4847.92500},
{6641.17500, 3220.08750, 14977.20000, 20071.71250, 1363.61250,
12332.93750, 48555.37500, 8861.73750, 1646.28750, 1181.20000,
66146.06250, 9073.90000, 5185.97500, 3530.31250, 21148.31250,
21255.75000, 4743.17500, 23034.70000, 6005.58750, 9152.81250,
1063.52500, 30494.51250, 5847.48750, 9435.40000, 18976.37500,
5851.16250, 294457.80000, 7436.08750, 10790.77500, 19892.81250,
6632.58750, 5655.12500, 21192.18750, 229995.00000, 9802.81250,
8870.92500, 56946.38750, 15076.06250, 47243.81250, 5621.10000,
27925.61250, 24504.18750, 13719.06250, 19856.25000, 153760.61250,
48057.31250, 12834.37500, 2682.13750, 20807.10000, 6351.97500},
{4374.52500, 1838.96250, 21848.40000, 64292.98750, 1524.03750,
15840.66250, 138615.37500, 51550.53750, 1817.06250, 1133.20000,
198300.81250, 32781.30000, 62653.17500, 5553.76250, 7310.81250,
18478.05000, 6856.27500, 126332.70000, 10274.96250, 5467.31250,
1628.77500, 14919.41250, 19650.03750, 11943.40000, 20197.37500,
11613.86250, 211356.60000, 19279.01250, 11525.82500, 23976.56250,
6476.66250, 9623.77500, 16808.18750, 681269.40000, 5780.93750,
10865.62500, 185247.83750, 97731.61250, 47631.56250, 15256.10000,
49862.66250, 41119.56250, 12502.18750, 9331.25000, 134768.13750,
52583.58750, 14205.22500, 1756.03750, 69009.30000, 4903.42500},
{3847.10000, 2266.35000, 35330.40000, 80186.57500, 955.57500,
27251.25000, 155294.25000, 57907.57500, 1211.92500, 546.40000,
220212.12500, 41335.40000, 71210.95000, 8308.30000, 21709.50000,
8135.70000, 7119.00000, 141375.00000, 10214.87500, 6371.62500,
1619.75000, 33813.30000, 23844.52500, 18148.80000, 24684.55000,
17111.17500, 210756.00000, 25460.12500, 20448.85000, 34080.75000,
11884.95000, 14610.75000, 32845.75000, 810550.80000, 10692.50000,
10202.25000, 222003.72500, 114578.07500, 34351.12500, 19762.00000,
62659.27500, 40854.27500, 7885.62500, 20750.00000, 109304.77500,
39050.57500, 10134.30000, 1983.27500, 86632.20000, 6421.35000},
{6429.47500, 3117.86250, 15111.60000, 25921.08750, 1318.66250,
12444.73750, 53176.87500, 10985.28750, 1593.48750, 1134.80000,
58178.31250, 9254.70000, 11563.07500, 3558.91250, 20779.31250,
20437.95000, 4415.47500, 11423.10000, 5638.73750, 8870.06250,
1008.42500, 30655.91250, 6260.73750, 9496.20000, 17796.07500,
5918.56250, 289434.60000, 7551.48750, 10887.17500, 19991.81250,
6678.78750, 5719.52500, 21329.18750, 258078.60000, 9607.81250,
8340.22500, 73007.01250, 24757.93750, 46820.81250, 7047.90000,
26917.01250, 22884.53750, 13320.31250, 19556.25000, 150511.16250,
46994.46250, 12512.47500, 2611.08750, 27212.10000, 6030.07500},
{5396.52500, 2582.81250, 23679.60000, 69206.46250, 1789.08750,
17769.21250, 147325.12500, 57376.68750, 2099.21250, 1406.80000,
241573.93750, 37595.10000, 70496.27500, 5947.01250, 12569.06250,
23300.25000, 8788.57500, 144881.10000, 12438.11250, 6729.93750,
1953.67500, 11166.86250, 22873.38750, 11616.60000, 27157.07500,
12852.33750, 239639.40000, 22351.53750, 14092.47500, 23444.43750,
6101.28750, 11338.42500, 15695.06250, 728398.20000, 8559.68750,
13994.92500, 198738.76250, 109515.83750, 53659.31250, 16305.70000,
61965.86250, 50669.91250, 14853.43750, 9543.75000, 149278.61250,
58814.08750, 16103.32500, 2073.31250, 74352.90000, 6801.52500},
{5219.50000, 2296.80000, 9828.00000, 23096.67500, 1133.05000,
7029.42500, 56998.50000, 12741.30000, 1395.90000, 928.80000,
25277.00000, 2463.40000, 10371.95000, 2434.57500, 14621.62500,
16271.40000, 3062.30000, 22846.20000, 4123.90000, 7312.50000,
780.90000, 22333.72500, 0.00000, 7106.00000, 10541.30000,
3268.90000, 248102.40000, 1601.17500, 5916.55000, 16099.87500,
4440.97500, 2398.90000, 14693.25000, 261790.80000, 6353.75000,
5984.10000, 65986.22500, 20525.57500, 42775.87500, 5658.00000,
10086.00000, 16196.50000, 11550.00000, 14550.00000, 136084.72500,
42605.62500, 11183.25000, 2174.37500, 23899.80000, 4001.55000},
{4182.90000, 1779.15000, 19303.20000, 48700.22500, 1015.25000,
13919.10000, 102384.00000, 33595.65000, 1275.45000, 768.80000,
97536.25000, 19775.00000, 38482.50000, 4897.75000, 11931.00000,
12619.50000, 2712.00000, 74042.80000, 5635.57500, 5869.50000,
931.95000, 20982.00000, 10703.17500, 10898.40000, 5270.65000,
9073.72500, 222222.00000, 11698.67500, 8953.15000, 22275.00000,
6843.37500, 6931.05000, 19385.50000, 512606.40000, 4891.25000,
4154.10000, 137295.40000, 63513.10000, 39250.87500, 11939.20000,
22567.42500, 20636.57500, 10071.87500, 13087.50000, 124879.72500,
40553.22500, 10561.65000, 1857.10000, 51935.40000, 2614.05000},
{7391.25000, 5115.60000, 57472.80000, 135170.70000, 2005.70000,
45474.65000, 259515.00000, 105796.35000, 1940.40000, 1950.40000,
461992.12500, 79235.60000, 135275.15000, 13134.55000, 39913.50000,
35094.90000, 17458.50000, 274079.00000, 21789.62500, 9506.25000,
3066.60000, 56025.97500, 46945.20000, 28226.40000, 59259.20000,
29479.07500, 124051.20000, 49650.85000, 37089.90000, 50490.00000,
18722.55000, 26701.85000, 53121.75000, 1361570.40000, 21336.25000,
26946.75000, 378755.42500, 209073.17500, 40960.50000, 32644.20000,
133135.20000, 91957.02500, 13193.12500, 32087.50000, 89976.15000,
45922.45000, 14940.60000, 2006.55000, 147937.20000, 14979.45000},
{5038.82500, 2189.13750, 11180.40000, 40527.81250, 1379.88750,
6966.53750, 96429.37500, 32220.78750, 1663.61250, 1145.20000,
106122.18750, 16712.70000, 36631.67500, 3283.63750, 11169.93750,
19253.55000, 5031.32500, 75211.50000, 8073.86250, 6695.81250,
1298.17500, 17380.76250, 10145.28750, 7117.40000, 14845.32500,
5623.68750, 238875.00000, 9022.83750, 2958.27500, 16118.43750,
3693.11250, 3900.22500, 10951.43750, 451435.80000, 5951.56250,
8459.17500, 119995.81250, 58395.53750, 48318.93750, 9417.70000,
23134.76250, 31401.66250, 13052.18750, 12481.25000, 142499.58750,
49175.13750, 13172.92500, 2064.73750, 42986.70000, 4503.82500},
{10349.57500, 5399.43750, 22957.20000, 60515.96250, 2512.93750,
20326.63750, 131920.12500, 60071.96250, 2869.76250, 2314.80000,
288418.81250, 41956.90000, 77569.72500, 4634.98750, 32479.68750,
39867.75000, 13093.87500, 159433.30000, 16239.43750, 13554.93750,
2600.62500, 40178.51250, 26881.91250, 7725.40000, 44597.02500,
13172.48750, 392519.40000, 26549.21250, 20575.37500, 8049.93750,
8596.08750, 13310.67500, 27888.06250, 644793.00000, 17830.31250,
21470.47500, 174969.03750, 114439.76250, 73399.31250, 13583.30000,
81255.33750, 69686.83750, 23103.43750, 27518.75000, 224408.13750,
75966.28750, 21287.02500, 3788.31250, 64873.50000, 12617.92500},
{6051.70000, 2838.37500, 15489.60000, 52911.77500, 1823.57500,
10956.40000, 118381.50000, 46527.52500, 2135.92500, 1500.80000,
185456.25000, 28589.00000, 55891.25000, 4204.20000, 14375.62500,
24957.00000, 8294.20000, 114834.20000, 11726.55000, 7707.37500,
1846.80000, 15978.60000, 17728.42500, 7911.60000, 26495.70000,
8745.15000, 261534.00000, 16963.80000, 9917.15000, 17411.62500,
3285.97500, 7961.45000, 7346.62500, 575875.20000, 9514.37500,
13697.55000, 155375.07500, 87468.82500, 55712.62500, 12308.20000,
47404.20000, 47528.35000, 15654.37500, 12525.00000, 160511.62500,
61003.92500, 16755.45000, 2318.92500, 56510.40000, 7448.10000},
{9568.47500, 4940.51250, 21294.00000, 19804.31250, 2008.41250,
19446.21250, 37594.12500, 21820.83750, 2327.73750, 1846.80000,
180442.06250, 26227.30000, 35788.72500, 3955.73750, 31372.68750,
32986.95000, 9443.97500, 79433.90000, 11267.98750, 13238.06250,
1853.92500, 42538.98750, 16757.28750, 10537.40000, 35297.07500,
9583.43750, 380835.00000, 18384.66250, 18779.92500, 21687.18750,
9358.38750, 10895.67500, 30148.56250, 130895.40000, 16229.68750,
16483.72500, 45566.28750, 46721.96250, 61907.81250, 6121.30000,
61209.41250, 47737.78750, 19439.06250, 28893.75000, 200373.41250,
63303.71250, 17451.97500, 3664.58750, 23076.30000, 10753.12500},
{9064.77500, 4642.53750, 18992.40000, 15191.66250, 1901.46250,
17517.66250, 40319.62500, 21085.76250, 2218.83750, 1736.40000,
161484.31250, 23131.10000, 30731.02500, 3465.96250, 29250.93750,
31041.15000, 8664.27500, 75663.90000, 10401.46250, 12428.81250,
1722.82500, 39775.01250, 14856.33750, 9496.20000, 32488.77500,
8420.78750, 365874.60000, 16408.43750, 17129.07500, 19991.81250,
8567.21250, 9784.77500, 27802.43750, 145421.40000, 15116.56250,
15221.02500, 32993.11250, 39142.43750, 59475.56250, 4997.90000,
55409.96250, 43884.13750, 18490.31250, 27181.25000, 192641.96250,
60774.86250, 16686.07500, 3495.53750, 18025.50000, 9987.22500},
{7159.47500, 3507.18750, 16657.20000, 17163.73750, 1497.68750,
13730.43750, 50569.87500, 12128.73750, 1789.01250, 1318.80000,
89774.56250, 11333.90000, 11599.72500, 3423.06250, 22701.18750,
23680.95000, 5714.97500, 36305.10000, 7099.81250, 9845.06250,
1227.87500, 32512.01250, 7665.78750, 9405.00000, 21866.07500,
6693.66250, 308872.20000, 8878.58750, 11995.77500, 19843.31250,
7210.08750, 6460.12500, 22904.68750, 201588.60000, 10875.31250,
10444.72500, 48961.96250, 10262.78750, 50292.93750, 4907.70000,
33472.91250, 29335.21250, 14901.56250, 21506.25000, 163396.91250,
51227.53750, 13794.52500, 2856.08750, 17622.90000, 7090.12500},
{4781.50000, 2035.80000, 12297.60000, 34762.00000, 1108.25000,
8371.02500, 78328.50000, 22542.30000, 1374.45000, 832.80000,
55499.50000, 10350.80000, 23565.95000, 3406.97500, 12776.62500,
14579.40000, 2599.00000, 45918.60000, 5350.95000, 6547.12500,
889.20000, 21002.17500, 4959.00000, 7881.20000, 8099.30000,
5560.50000, 234998.40000, 5683.45000, 5121.25000, 17362.12500,
4435.20000, 3574.20000, 14025.37500, 377998.80000, 5378.75000,
4886.10000, 99025.22500, 40442.57500, 40660.87500, 8519.80000,
5043.00000, 19379.95000, 10725.00000, 13050.00000, 129361.72500,
42752.22500, 11227.65000, 2072.70000, 36673.20000, 3335.55000},
{6033.45000, 2890.57500, 23856.00000, 49569.27500, 908.30000,
18684.57500, 100962.00000, 32942.25000, 1156.65000, 916.00000,
94239.25000, 21854.20000, 37602.90000, 5551.97500, 19787.62500,
16581.60000, 3101.85000, 72233.20000, 2795.65000, 8360.62500,
505.40000, 31291.42500, 11984.25000, 13444.40000, 15669.50000,
10615.50000, 267212.40000, 14150.92500, 14086.45000, 26420.62500,
8731.80000, 9112.60000, 26766.37500, 514543.20000, 9051.25000,
5837.70000, 137846.05000, 63900.37500, 36889.12500, 12693.60000,
36309.60000, 8098.25000, 11440.00000, 19475.00000, 135188.32500,
37291.37500, 9573.75000, 2483.07500, 53106.60000, 5450.10000},
{6661.25000, 3943.27500, 48568.80000, 105288.75000, 1169.47500,
38375.35000, 199791.00000, 78353.55000, 1050.22500, 1087.20000,
323380.75000, 59166.80000, 98735.10000, 11125.40000, 33563.62500,
19881.00000, 11362.15000, 198000.40000, 14964.95000, 10130.25000,
2041.55000, 49368.22500, 34713.00000, 24198.40000, 41636.10000,
23935.42500, 177231.60000, 36827.02500, 30040.65000, 43931.25000,
16331.70000, 21992.60000, 46032.00000, 1052973.60000, 16956.87500,
17073.90000, 290926.75000, 156127.15000, 30385.50000, 26231.80000,
95817.00000, 61825.95000, 5775.00000, 30675.00000, 93057.52500,
34927.45000, 9046.50000, 2603.12500, 114118.80000, 10694.85000},
{8845.77500, 5984.51250, 66066.00000, 142841.73750, 2040.18750,
52622.86250, 266358.37500, 108940.83750, 1977.11250, 1986.00000,
477721.56250, 84557.90000, 139911.37500, 14963.16250, 48346.68750,
36497.85000, 17709.92500, 282712.30000, 22071.08750, 12180.18750,
3108.87500, 67091.96250, 50189.21250, 31946.60000, 64804.57500,
33148.16250, 183947.40000, 53033.51250, 42325.62500, 56547.56250,
21757.31250, 30199.57500, 62514.81250, 1415639.40000, 24582.18750,
27353.92500, 394035.96250, 218284.78750, 34060.31250, 35444.50000,
143032.08750, 93199.68750, 13994.06250, 38943.75000, 68042.36250,
38748.21250, 12767.77500, 2678.46250, 155275.50000, 17196.67500},
{11656.27500, 6919.76250, 66973.20000, 137025.78750, 1600.76250,
53852.66250, 256048.87500, 104203.68750, 1509.33750, 2088.40000,
453818.31250, 81009.70000, 133534.27500, 15041.81250, 54681.18750,
38302.65000, 17551.72500, 269592.70000, 18497.46250, 16314.18750,
2532.22500, 77038.23750, 48040.31250, 32615.40000, 63420.77500,
32667.93750, 276549.00000, 52629.61250, 43386.02500, 57636.56250,
23235.71250, 29780.97500, 69570.31250, 1359472.20000, 28075.93750,
27097.72500, 378067.11250, 208713.56250, 23696.81250, 34157.10000,
141855.38750, 81191.93750, 15320.93750, 47856.25000, 115551.56250,
21302.81250, 8172.37500, 3717.26250, 148907.10000, 18323.32500},
{8663.27500, 4385.88750, 16203.60000, 12183.41250, 1836.36250,
15197.81250, 46244.62500, 20704.61250, 2144.58750, 1668.40000,
149807.43750, 19673.30000, 27615.77500, 2868.93750, 26698.68750,
29842.65000, 8184.02500, 69254.90000, 9863.83750, 11614.68750,
1643.02500, 36405.78750, 13492.61250, 8227.00000, 30250.27500,
7022.23750, 352989.00000, 14201.41250, 15128.77500, 17925.18750,
7608.56250, 8448.47500, 24685.68750, 178024.20000, 14222.81250,
14443.27500, 42170.61250, 34439.81250, 59070.18750, 3636.70000,
50787.21250, 41538.43750, 17905.93750, 25093.75000, 187935.86250,
59235.56250, 16219.87500, 3300.76250, 11949.90000, 9376.72500}};
constexpr int nvars = num_facilities * num_customers + num_facilities;
constexpr int nrows = num_facilities + num_customers;
unsigned char integral[nvars];
double lbs[nvars];
double ubs[nvars];
double obj[nvars];
double rowsides[nrows];
unsigned char rowtypes[nrows];
std::vector<std::string> names;
names.reserve( nvars + num_customers + num_facilities );
const char* colnames[nvars];
const char* rownames[num_customers + num_facilities];
// all vars binary
int nassignvars = nvars - num_facilities;
int i = 0;
for( ; i != nassignvars; ++i )
{
integral[i] = 1;
lbs[i] = 0;
ubs[i] = 1;
int f = i / num_customers;
int c = i - num_customers * f;
obj[i] = facility_customer_service_cost[f][c];
names.emplace_back( fmt::format( "x#{}#{}", f + 1, c + 1 ) );
colnames[i] = names.back().c_str();
}
for( ; i != nvars; ++i )
{
integral[i] = 1;
lbs[i] = 0;
ubs[i] = 1;
int f = i - nassignvars;
assert( 0 <= f && f < num_facilities );
obj[i] = facility_fixcost[f];
names.emplace_back( fmt::format( "y#{}", f + 1 ) );
colnames[i] = names.back().c_str();
}
for( i = 0; i != num_customers; ++i )
{
rowtypes[i] = PAPILO_ROW_TYPE_EQUAL;
rowsides[i] = 1;
names.emplace_back( fmt::format( "assign_{}", i + 1 ) );
rownames[i] = names.back().c_str();
}
for( ; i != nrows; ++i )
{
rowtypes[i] = PAPILO_ROW_TYPE_LESSER;
rowsides[i] = 0;
names.emplace_back( fmt::format( "capac_{}", i - num_customers + 1 ) );
rownames[i] = names.back().c_str();
}
PAPILO_PROBLEM* prob = papilo_problem_create(
1e30, "sscflp_cap101",
num_facilities + 2 * num_customers * num_facilities, nrows, nvars );
papilo_problem_add_cols( prob, nvars, lbs, ubs, integral, obj, colnames );
papilo_problem_add_simple_rows( prob, nrows, rowtypes, rowsides, rownames );
double assign_nonzeros[num_facilities];
for( i = 0; i != num_facilities; ++i )
assign_nonzeros[i] = 1.0;
int assign_nonzero_inds[num_facilities];
for( i = 0; i != num_customers; ++i )
{
for( int j = 0; j != num_facilities; ++j )
assign_nonzero_inds[j] = i + j * num_customers;
papilo_problem_add_nonzeros_row( prob, i, num_facilities,
assign_nonzero_inds, assign_nonzeros );
}
int capacity_nonzero_inds[num_customers + 1];
for( ; i != nrows; ++i )
{
int f = i - num_customers;
for( int j = 0; j != num_customers; ++j )
capacity_nonzero_inds[j] = j + f * num_customers;
capacity_nonzero_inds[num_customers] = nassignvars + f;
papilo_problem_add_nonzeros_row( prob, i, num_customers,
capacity_nonzero_inds, customer_demand );
papilo_problem_add_nonzero( prob, i, nassignvars + f,
-facility_capacity[f] );
}
PAPILO_SOLVER* solver = papilo_solver_create();
papilo_solver_load_problem( solver, prob );
papilo_problem_free( prob );
PAPILO_PARAM_RESULT paramRes =
papilo_solver_set_param_real( solver, "message.verbosity", 4 );
REQUIRE( paramRes == PAPILO_PARAM_WRONG_TYPE );
paramRes = papilo_solver_set_param_int( solver, "message.verbosity", 5 );
REQUIRE( paramRes == PAPILO_PARAM_INVALID_VALUE );
paramRes = papilo_solver_set_param_int( solver, "message.verbosity", 4 );
REQUIRE( paramRes == PAPILO_PARAM_CHANGED );
paramRes =
papilo_solver_set_mip_param_int( solver, "presolving/maxrounds", 0 );
REQUIRE( paramRes == PAPILO_PARAM_CHANGED );
paramRes = papilo_solver_set_mip_param_int64(
solver, "heuristics/dins/nwaitingnodes", 20 );
REQUIRE( paramRes == PAPILO_PARAM_CHANGED );
paramRes = papilo_solver_set_mip_param_bool( solver, "lp/presolving", 0 );
REQUIRE( paramRes == PAPILO_PARAM_CHANGED );
paramRes = papilo_solver_set_param_real( solver, "presolve.tlimsoft", 10.0 );
REQUIRE( paramRes == PAPILO_PARAM_CHANGED );
paramRes =
papilo_solver_set_lp_param_int( solver, "factor_update_max", 500 );
REQUIRE( paramRes == PAPILO_PARAM_CHANGED );
paramRes = papilo_solver_set_lp_param_int( solver, "displayfreq", 10000 );
REQUIRE( paramRes == PAPILO_PARAM_CHANGED );
paramRes = papilo_solver_set_lp_param_int( solver, "simplifier", 0 );
REQUIRE( paramRes == PAPILO_PARAM_CHANGED );
paramRes = papilo_solver_set_lp_param_int( solver, "scaler", 6 );
REQUIRE( paramRes == PAPILO_PARAM_CHANGED );
paramRes = papilo_solver_set_lp_param_int( solver, "pricer", 3 );
REQUIRE( paramRes == PAPILO_PARAM_CHANGED );
// papilo_solver_set_num_threads(solver, 1);
PAPILO_SOLVING_INFO* result = papilo_solver_start( solver );
REQUIRE( result->solve_result == PAPILO_SOLVE_RESULT_OPTIMAL );
REQUIRE( result->bestsol_obj == Catch::Approx( 796648.4375 ) );
REQUIRE( result->dualbound == Catch::Approx( 796648.4375 ) );
REQUIRE( result->bestsol_intviol >= 0.0 );
REQUIRE( result->bestsol_boundviol >= 0.0 );
REQUIRE( result->bestsol_consviol >= 0.0 );
REQUIRE( result->bestsol_intviol <= 1e-9 );
REQUIRE( result->bestsol_boundviol <= 1e-9 );
REQUIRE( result->bestsol_consviol <= 1e-9 );
const double* sol = result->bestsol;
REQUIRE( sol != nullptr );
double objval = 0;
for( unsigned int i = 0; i < nvars; ++i )
objval += obj[i] * sol[i];
REQUIRE( objval == Catch::Approx( 796648.4375 ) );
papilo_solver_free( solver );
}
TEST_CASE( "papilolib-no-rows", "[C-API]" )
{
PAPILO_PROBLEM* prob =
papilo_problem_create( 1e30, "no_constraints", 0, 0, 2 );
double lbs[2];
double ubs[2];
double obj[2];
unsigned char integral[2];
lbs[0] = ubs[0] = obj[0] = 1;
lbs[1] = ubs[1] = obj[1] = 1;
integral[0] = 1;
integral[1] = 1;
papilo_problem_add_cols( prob, 2, lbs, ubs, integral, obj, NULL );
PAPILO_SOLVER* solver = papilo_solver_create();
papilo_solver_load_problem( solver, prob );
papilo_problem_free( prob );
PAPILO_SOLVING_INFO* result = papilo_solver_start( solver );
REQUIRE( result->solve_result == PAPILO_SOLVE_RESULT_OPTIMAL );
REQUIRE( result->dualbound == 2.0 );
REQUIRE( result->bestsol_obj == 2.0 );
REQUIRE( result->bestsol_intviol == 0.0 );
REQUIRE( result->bestsol_consviol == 0.0 );
REQUIRE( result->bestsol_boundviol == 0.0 );
REQUIRE( result->bestsol != nullptr );
REQUIRE( result->bestsol[0] == 1.0 );
REQUIRE( result->bestsol[1] == 1.0 );
papilo_solver_free( solver );
}
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