OMCompiler/Compiler/NFFrontEnd/NFConnectionSets.mo
| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * This file is part of OpenModelica. | ||
| 3 | * | ||
| 4 | * Copyright (c) 1998-2026, Open Source Modelica Consortium (OSMC), | ||
| 5 | * c/o Linköpings universitet, Department of Computer and Information Science, | ||
| 6 | * SE-58183 Linköping, Sweden. | ||
| 7 | * | ||
| 8 | * All rights reserved. | ||
| 9 | * | ||
| 10 | * THIS PROGRAM IS PROVIDED UNDER THE TERMS OF AGPL VERSION 3 LICENSE OR | ||
| 11 | * THIS OSMC PUBLIC LICENSE (OSMC-PL) VERSION 1.8. | ||
| 12 | * ANY USE, REPRODUCTION OR DISTRIBUTION OF THIS PROGRAM CONSTITUTES | ||
| 13 | * RECIPIENT'S ACCEPTANCE OF THE OSMC PUBLIC LICENSE OR THE GNU AGPL | ||
| 14 | * VERSION 3, ACCORDING TO RECIPIENTS CHOICE. | ||
| 15 | * | ||
| 16 | * The OpenModelica software and the OSMC (Open Source Modelica Consortium) | ||
| 17 | * Public License (OSMC-PL) are obtained from OSMC, either from the above | ||
| 18 | * address, from the URLs: | ||
| 19 | * http://www.openmodelica.org or | ||
| 20 | * https://github.com/OpenModelica/ or | ||
| 21 | * http://www.ida.liu.se/projects/OpenModelica, | ||
| 22 | * and in the OpenModelica distribution. | ||
| 23 | * | ||
| 24 | * GNU AGPL version 3 is obtained from: | ||
| 25 | * https://www.gnu.org/licenses/licenses.html#GPL | ||
| 26 | * | ||
| 27 | * This program is distributed WITHOUT ANY WARRANTY; without | ||
| 28 | * even the implied warranty of MERCHANTABILITY or FITNESS | ||
| 29 | * FOR A PARTICULAR PURPOSE, EXCEPT AS EXPRESSLY SET FORTH | ||
| 30 | * IN THE BY RECIPIENT SELECTED SUBSIDIARY LICENSE CONDITIONS OF OSMC-PL. | ||
| 31 | * | ||
| 32 | * See the full OSMC Public License conditions for more details. | ||
| 33 | * | ||
| 34 | */ | ||
| 35 | |||
| 36 | encapsulated package NFConnectionSets | ||
| 37 | import DisjointSets; | ||
| 38 | import ComponentRef = NFComponentRef; | ||
| 39 | import Connector = NFConnector; | ||
| 40 | import Connection = NFConnection; | ||
| 41 | import Connections = NFConnections; | ||
| 42 | import BrokenEdges = NFConnections.BrokenEdges; | ||
| 43 | |||
| 44 | protected | ||
| 45 | import Flags; | ||
| 46 | import List; | ||
| 47 | |||
| 48 | public | ||
| 49 | package ConnectionSets | ||
| 50 | extends DisjointSets(redeclare type Entry = Connector); | ||
| 51 | |||
| 52 | redeclare function extends EntryHash | ||
| 53 | algorithm | ||
| 54 | 282071 | hash := Connector.hash(entry); | |
| 55 | end EntryHash; | ||
| 56 | |||
| 57 | redeclare function extends EntryEqual | ||
| 58 | algorithm | ||
| 59 | 70234 | isEqual := Connector.isEqual(entry1, entry2); | |
| 60 | end EntryEqual; | ||
| 61 | |||
| 62 | redeclare function extends EntryString | ||
| 63 | algorithm | ||
| 64 | ✗ | str := Connector.toString(entry); | |
| 65 | end EntryString; | ||
| 66 | |||
| 67 | function fromConnections | ||
| 68 | "Creates a new DisjointSets from a list of connection and flow variables." | ||
| 69 | input Connections connections; | ||
| 70 | output ConnectionSets.Sets sets; | ||
| 71 | algorithm | ||
| 72 | // Approximate the size of the sets using the connections and flow variables. | ||
| 73 | 1571 | sets := ConnectionSets.emptySets( | |
| 74 | listLength(connections.connections) + listLength(connections.flows)); | ||
| 75 | |||
| 76 | // Add flow variable to the sets, unless disabled by flag. | ||
| 77 |
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1571 | if not Flags.isSet(Flags.DISABLE_SINGLE_FLOW_EQ) then |
| 78 | 1571 | sets := List.fold(connections.flows, addSingleConnector, sets); | |
| 79 | end if; | ||
| 80 | |||
| 81 | // Add the connections. | ||
| 82 | 1571 | sets := List.fold1(connections.connections, addConnection, connections.broken, sets); | |
| 83 | end fromConnections; | ||
| 84 | |||
| 85 | function addScalarConnector | ||
| 86 | "Adds a single connector to the connection sets." | ||
| 87 | input Connector conn; | ||
| 88 | input output ConnectionSets.Sets sets; | ||
| 89 | algorithm | ||
| 90 | ✗ | sets := add(conn, sets); | |
| 91 | end addScalarConnector; | ||
| 92 | |||
| 93 | function addConnector | ||
| 94 | input Connector conn; | ||
| 95 | input output ConnectionSets.Sets sets; | ||
| 96 | algorithm | ||
| 97 | ✗ | sets := addList(Connector.scalarize(conn), sets); | |
| 98 | end addConnector; | ||
| 99 | |||
| 100 | function addSingleConnector | ||
| 101 | "Adds a connector to the sets if it does not already exist" | ||
| 102 | input Connector conn; | ||
| 103 | input output ConnectionSets.Sets sets; | ||
| 104 | algorithm | ||
| 105 | 29436 | sets := find(conn, sets); | |
| 106 | end addSingleConnector; | ||
| 107 | |||
| 108 | function addConnection | ||
| 109 | "Adds a connection to the sets, which means merging the two sets that the | ||
| 110 | connectors belong to, unless they already belong to the same set." | ||
| 111 | input Connection connection; | ||
| 112 | input BrokenEdges broken; | ||
| 113 | input output ConnectionSets.Sets sets; | ||
| 114 | algorithm | ||
| 115 |
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66851 | if not listEmpty(broken) and isBroken(connection.lhs, connection.rhs, broken) then |
| 116 | 44 | return; | |
| 117 | end if; | ||
| 118 | |||
| 119 | // TODO: Check variability of connectors. It's an error if either | ||
| 120 | // connector is constant/parameter while the other isn't. | ||
| 121 | 66807 | sets := merge(connection.lhs, connection.rhs, sets); | |
| 122 | end addConnection; | ||
| 123 | |||
| 124 | function isBroken | ||
| 125 | input Connector c1, c2; | ||
| 126 | input BrokenEdges broken; | ||
| 127 | output Boolean b = false; | ||
| 128 | protected | ||
| 129 | ComponentRef cr1, cr2; | ||
| 130 | algorithm | ||
| 131 | 1483 | cr1 := Connector.name(c1); | |
| 132 | 1483 | cr2 := Connector.name(c2); | |
| 133 | // print("Check: connect(" + ComponentRef.toString(cr1) + ", " + ComponentRef.toString(cr2) + ")\n"); | ||
| 134 | |||
| 135 |
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15203 | for c in broken loop |
| 136 |
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13764 | if ComponentRef.isPrefix(c.lhs, cr1) and ComponentRef.isPrefix(c.rhs, cr2) or |
| 137 | ComponentRef.isPrefix(c.lhs, cr2) and ComponentRef.isPrefix(c.rhs, cr1) | ||
| 138 | then | ||
| 139 | // print("Ignore broken: connect(" + Connector.toString(c1) + ", " + Connector.toString(c2) + ")\n"); | ||
| 140 | b := true; | ||
| 141 | break; | ||
| 142 | end if; | ||
| 143 | end for; | ||
| 144 | end isBroken; | ||
| 145 | end ConnectionSets; | ||
| 146 | |||
| 147 | annotation(__OpenModelica_Interface="nf_frontend"); | ||
| 148 | end NFConnectionSets; | ||
| 149 |