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< a href = "sparse__permutation_8h.html" > Go to the documentation of this file.< / a > < div class = "fragment" > < div class = "line" > < a id = "l00001" name = "l00001" > < / a > < span class = "lineno" > 1< / span > < span class = "comment" > // Copyright 2010-2021 Google LLC< / span > < / div >
< div class = "line" > < a id = "l00002" name = "l00002" > < / a > < span class = "lineno" > 2< / span > < span class = "comment" > // Licensed under the Apache License, Version 2.0 (the " License" );< / span > < / div >
< div class = "line" > < a id = "l00003" name = "l00003" > < / a > < span class = "lineno" > 3< / span > < span class = "comment" > // you may not use this file except in compliance with the License.< / span > < / div >
< div class = "line" > < a id = "l00004" name = "l00004" > < / a > < span class = "lineno" > 4< / span > < span class = "comment" > // You may obtain a copy of the License at< / span > < / div >
< div class = "line" > < a id = "l00005" name = "l00005" > < / a > < span class = "lineno" > 5< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00006" name = "l00006" > < / a > < span class = "lineno" > 6< / span > < span class = "comment" > // http://www.apache.org/licenses/LICENSE-2.0< / span > < / div >
< div class = "line" > < a id = "l00007" name = "l00007" > < / a > < span class = "lineno" > 7< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00008" name = "l00008" > < / a > < span class = "lineno" > 8< / span > < span class = "comment" > // Unless required by applicable law or agreed to in writing, software< / span > < / div >
< div class = "line" > < a id = "l00009" name = "l00009" > < / a > < span class = "lineno" > 9< / span > < span class = "comment" > // distributed under the License is distributed on an " AS IS" BASIS,< / span > < / div >
< div class = "line" > < a id = "l00010" name = "l00010" > < / a > < span class = "lineno" > 10< / span > < span class = "comment" > // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.< / span > < / div >
< div class = "line" > < a id = "l00011" name = "l00011" > < / a > < span class = "lineno" > 11< / span > < span class = "comment" > // See the License for the specific language governing permissions and< / span > < / div >
< div class = "line" > < a id = "l00012" name = "l00012" > < / a > < span class = "lineno" > 12< / span > < span class = "comment" > // limitations under the License.< / span > < / div >
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< div class = "line" > < a id = "l00014" name = "l00014" > < / a > < span class = "lineno" > 14< / span > < span class = "preprocessor" > #ifndef OR_TOOLS_ALGORITHMS_SPARSE_PERMUTATION_H_< / span > < / div >
< div class = "line" > < a id = "l00015" name = "l00015" > < / a > < span class = "lineno" > 15< / span > < span class = "preprocessor" > #define OR_TOOLS_ALGORITHMS_SPARSE_PERMUTATION_H_< / span > < / div >
< div class = "line" > < a id = "l00016" name = "l00016" > < / a > < span class = "lineno" > 16< / span > < / div >
< div class = "line" > < a id = "l00017" name = "l00017" > < / a > < span class = "lineno" > 17< / span > < span class = "preprocessor" > #include < string> < / span > < / div >
< div class = "line" > < a id = "l00018" name = "l00018" > < / a > < span class = "lineno" > 18< / span > < span class = "preprocessor" > #include < vector> < / span > < / div >
< div class = "line" > < a id = "l00019" name = "l00019" > < / a > < span class = "lineno" > 19< / span > < / div >
< div class = "line" > < a id = "l00020" name = "l00020" > < / a > < span class = "lineno" > 20< / span > < span class = "preprocessor" > #include " ortools/base/logging.h" < / span > < / div >
< div class = "line" > < a id = "l00021" name = "l00021" > < / a > < span class = "lineno" > 21< / span > < / div >
< div class = "line" > < a id = "l00022" name = "l00022" > < / a > < span class = "lineno" > 22< / span > < span class = "keyword" > namespace < / span > < a class = "code hl_namespace" href = "namespaceoperations__research.html" > operations_research< / a > {< / div >
< div class = "line" > < a id = "l00023" name = "l00023" > < / a > < span class = "lineno" > 23< / span > < / div >
< div class = "line" > < a id = "l00024" name = "l00024" > < / a > < span class = "lineno" > 24< / span > < span class = "comment" > // A compact representation for permutations of {0..N-1} that displaces few< / span > < / div >
< div class = "line" > < a id = "l00025" name = "l00025" > < / a > < span class = "lineno" > 25< / span > < span class = "comment" > // elements: it needs only O(K) memory for a permutation that displaces< / span > < / div >
< div class = "line" > < a id = "l00026" name = "l00026" > < / a > < span class = "lineno" > 26< / span > < span class = "comment" > // K elements.< / span > < / div >
< div class = "line" > < a id = "l00027" name = "l00027" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_sparse_permutation.html" > 27< / a > < / span > < span class = "keyword" > class < / span > < a class = "code hl_class" href = "classoperations__research_1_1_sparse_permutation.html" > SparsePermutation< / a > {< / div >
< div class = "line" > < a id = "l00028" name = "l00028" > < / a > < span class = "lineno" > 28< / span > < span class = "keyword" > public< / span > :< / div >
< div class = "line" > < a id = "l00029" name = "l00029" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_sparse_permutation.html#a1d5b283f6fa63b162d0dd2b58333ca19" > 29< / a > < / span > < span class = "keyword" > explicit< / span > < a class = "code hl_function" href = "classoperations__research_1_1_sparse_permutation.html#a1d5b283f6fa63b162d0dd2b58333ca19" > SparsePermutation< / a > (< span class = "keywordtype" > int< / span > size) : size_(size) {} < span class = "comment" > // Identity.< / span > < / div >
< div class = "line" > < a id = "l00030" name = "l00030" > < / a > < span class = "lineno" > 30< / span > < / div >
< div class = "line" > < a id = "l00031" name = "l00031" > < / a > < span class = "lineno" > 31< / span > < span class = "comment" > // TODO(user): complete the reader API.< / span > < / div >
< div class = "line" > < a id = "l00032" name = "l00032" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_sparse_permutation.html#a24926108b770033792d015cb86aeffb3" > 32< / a > < / span > < span class = "keywordtype" > int< / span > < a class = "code hl_function" href = "classoperations__research_1_1_sparse_permutation.html#a24926108b770033792d015cb86aeffb3" > Size< / a > ()< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > size_; }< / div >
< div class = "line" > < a id = "l00033" name = "l00033" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_sparse_permutation.html#a8c5fc5af6e649a82d169f61e4dab5e33" > 33< / a > < / span > < span class = "keywordtype" > int< / span > < a class = "code hl_function" href = "classoperations__research_1_1_sparse_permutation.html#a8c5fc5af6e649a82d169f61e4dab5e33" > NumCycles< / a > ()< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > cycle_ends_.size(); }< / div >
< div class = "line" > < a id = "l00034" name = "l00034" > < / a > < span class = "lineno" > 34< / span > < / div >
< div class = "line" > < a id = "l00035" name = "l00035" > < / a > < span class = "lineno" > 35< / span > < span class = "comment" > // Returns the " support" of this permutation; that is, the set of elements< / span > < / div >
< div class = "line" > < a id = "l00036" name = "l00036" > < / a > < span class = "lineno" > 36< / span > < span class = "comment" > // displaced by it.< / span > < / div >
< div class = "line" > < a id = "l00037" name = "l00037" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_sparse_permutation.html#a82f200c590897fcfb10aca6cfc536109" > 37< / a > < / span > < span class = "keyword" > const< / span > std::vector< int> & < a class = "code hl_function" href = "classoperations__research_1_1_sparse_permutation.html#a82f200c590897fcfb10aca6cfc536109" > Support< / a > ()< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > cycles_; }< / div >
< div class = "line" > < a id = "l00038" name = "l00038" > < / a > < span class = "lineno" > 38< / span > < / div >
< div class = "line" > < a id = "l00039" name = "l00039" > < / a > < span class = "lineno" > 39< / span > < span class = "comment" > // The permutation has NumCycles() cycles numbered 0 .. NumCycles()-1.< / span > < / div >
< div class = "line" > < a id = "l00040" name = "l00040" > < / a > < span class = "lineno" > 40< / span > < span class = "comment" > // To iterate over cycle #i of the permutation, do this:< / span > < / div >
< div class = "line" > < a id = "l00041" name = "l00041" > < / a > < span class = "lineno" > 41< / span > < span class = "comment" > // for (const int e : permutation.Cycle(i)) { ...< / span > < / div >
< div class = "line" > < a id = "l00042" name = "l00042" > < / a > < span class = "lineno" > 42< / span > < span class = "keyword" > struct < / span > Iterator;< / div >
< div class = "line" > < a id = "l00043" name = "l00043" > < / a > < span class = "lineno" > 43< / span > Iterator < a class = "code hl_function" href = "classoperations__research_1_1_sparse_permutation.html#af567b4e287e268eb9ecee908f63e5b64" > Cycle< / a > (< span class = "keywordtype" > int< / span > i) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00044" name = "l00044" > < / a > < span class = "lineno" > 44< / span > < / div >
< div class = "line" > < a id = "l00045" name = "l00045" > < / a > < span class = "lineno" > 45< / span > < span class = "comment" > // This is useful for iterating over the pair {element, image}< / span > < / div >
< div class = "line" > < a id = "l00046" name = "l00046" > < / a > < span class = "lineno" > 46< / span > < span class = "comment" > // of a permutation:< / span > < / div >
< div class = "line" > < a id = "l00047" name = "l00047" > < / a > < span class = "lineno" > 47< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00048" name = "l00048" > < / a > < span class = "lineno" > 48< / span > < span class = "comment" > // for (int c = 0; c < perm.NumCycles(); ++c) {< / span > < / div >
< div class = "line" > < a id = "l00049" name = "l00049" > < / a > < span class = "lineno" > 49< / span > < span class = "comment" > // int element = LastElementInCycle(c);< / span > < / div >
< div class = "line" > < a id = "l00050" name = "l00050" > < / a > < span class = "lineno" > 50< / span > < span class = "comment" > // for (int image : perm.Cycle(c)) {< / span > < / div >
< div class = "line" > < a id = "l00051" name = "l00051" > < / a > < span class = "lineno" > 51< / span > < span class = "comment" > // // The pair is (element, image).< / span > < / div >
< div class = "line" > < a id = "l00052" name = "l00052" > < / a > < span class = "lineno" > 52< / span > < span class = "comment" > // ...< / span > < / div >
< div class = "line" > < a id = "l00053" name = "l00053" > < / a > < span class = "lineno" > 53< / span > < span class = "comment" > // element = image;< / span > < / div >
< div class = "line" > < a id = "l00054" name = "l00054" > < / a > < span class = "lineno" > 54< / span > < span class = "comment" > // }< / span > < / div >
< div class = "line" > < a id = "l00055" name = "l00055" > < / a > < span class = "lineno" > 55< / span > < span class = "comment" > // }< / span > < / div >
< div class = "line" > < a id = "l00056" name = "l00056" > < / a > < span class = "lineno" > 56< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00057" name = "l00057" > < / a > < span class = "lineno" > 57< / span > < span class = "comment" > // TODO(user): Provide a full iterator for this? Note that we have more< / span > < / div >
< div class = "line" > < a id = "l00058" name = "l00058" > < / a > < span class = "lineno" > 58< / span > < span class = "comment" > // information with the loop above. Not sure it is needed though.< / span > < / div >
< div class = "line" > < a id = "l00059" name = "l00059" > < / a > < span class = "lineno" > 59< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_function" href = "classoperations__research_1_1_sparse_permutation.html#a68c2934475b5f68d6d6b9b2fdfb9955d" > LastElementInCycle< / a > (< span class = "keywordtype" > int< / span > i) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00060" name = "l00060" > < / a > < span class = "lineno" > 60< / span > < / div >
< div class = "line" > < a id = "l00061" name = "l00061" > < / a > < span class = "lineno" > 61< / span > < span class = "comment" > // To add a cycle to the permutation, repeatedly call AddToCurrentCycle()< / span > < / div >
< div class = "line" > < a id = "l00062" name = "l00062" > < / a > < span class = "lineno" > 62< / span > < span class = "comment" > // with the cycle' s orbit, then call CloseCurrentCycle();< / span > < / div >
< div class = "line" > < a id = "l00063" name = "l00063" > < / a > < span class = "lineno" > 63< / span > < span class = "comment" > // This shouldn' t be called on trivial cycles (of length 1).< / span > < / div >
< div class = "line" > < a id = "l00064" name = "l00064" > < / a > < span class = "lineno" > 64< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1_sparse_permutation.html#a540c5f44963a3f25d264f41b643e0f57" > AddToCurrentCycle< / a > (< span class = "keywordtype" > int< / span > x);< / div >
< div class = "line" > < a id = "l00065" name = "l00065" > < / a > < span class = "lineno" > 65< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1_sparse_permutation.html#a709f5ccee8651229a29a54b3c9e14681" > CloseCurrentCycle< / a > ();< / div >
< div class = "line" > < a id = "l00066" name = "l00066" > < / a > < span class = "lineno" > 66< / span > < / div >
< div class = "line" > < a id = "l00067" name = "l00067" > < / a > < span class = "lineno" > 67< / span > < span class = "comment" > // Removes the cycles with given indices from the permutation. This< / span > < / div >
< div class = "line" > < a id = "l00068" name = "l00068" > < / a > < span class = "lineno" > 68< / span > < span class = "comment" > // works in O(K) for a permutation displacing K elements.< / span > < / div >
< div class = "line" > < a id = "l00069" name = "l00069" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_sparse_permutation.html#a9add43490c45e4334099bb15b6e6eab0" > 69< / a > < / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1_sparse_permutation.html#a9add43490c45e4334099bb15b6e6eab0" > RemoveCycles< / a > (< span class = "keyword" > const< / span > std::vector< int> & cycle_indices);< / div >
< div class = "line" > < a id = "l00070" name = "l00070" > < / a > < span class = "lineno" > 70< / span > < / div >
< div class = "line" > < a id = "l00071" name = "l00071" > < / a > < span class = "lineno" > 71< / span > < span class = "comment" > // Output all non-identity cycles of the permutation, sorted< / span > < / div >
< div class = "line" > < a id = "l00072" name = "l00072" > < / a > < span class = "lineno" > 72< / span > < span class = "comment" > // lexicographically (each cycle is described starting by its smallest< / span > < / div >
< div class = "line" > < a id = "l00073" name = "l00073" > < / a > < span class = "lineno" > 73< / span > < span class = "comment" > // element; and all cycles are sorted lexicographically against each other).< / span > < / div >
< div class = "line" > < a id = "l00074" name = "l00074" > < / a > < span class = "lineno" > 74< / span > < span class = "comment" > // This isn' t efficient; use for debugging only.< / span > < / div >
< div class = "line" > < a id = "l00075" name = "l00075" > < / a > < span class = "lineno" > 75< / span > < span class = "comment" > // Example: " (1 4 3) (5 9) (6 8 7)" .< / span > < / div >
< div class = "line" > < a id = "l00076" name = "l00076" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_sparse_permutation.html#a764be64f3029f8b8e23511061d8de355" > 76< / a > < / span > std::string < a class = "code hl_function" href = "classoperations__research_1_1_sparse_permutation.html#a764be64f3029f8b8e23511061d8de355" > DebugString< / a > () < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00077" name = "l00077" > < / a > < span class = "lineno" > 77< / span > < / div >
< div class = "line" > < a id = "l00078" name = "l00078" > < / a > < span class = "lineno" > 78< / span > < span class = "keyword" > private< / span > :< / div >
< div class = "line" > < a id = "l00079" name = "l00079" > < / a > < span class = "lineno" > 79< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > size_;< / div >
< div class = "line" > < a id = "l00080" name = "l00080" > < / a > < span class = "lineno" > 80< / span > std::vector< int> cycles_;< / div >
< div class = "line" > < a id = "l00081" name = "l00081" > < / a > < span class = "lineno" > 81< / span > std::vector< int> cycle_ends_;< / div >
< div class = "line" > < a id = "l00082" name = "l00082" > < / a > < span class = "lineno" > 82< / span > };< / div >
< div class = "line" > < a id = "l00083" name = "l00083" > < / a > < span class = "lineno" > 83< / span > < / div >
< div class = "line" > < a id = "l00084" name = "l00084" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_sparse_permutation.html#a540c5f44963a3f25d264f41b643e0f57" > 84< / a > < / span > < span class = "keyword" > inline< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1_sparse_permutation.html#a540c5f44963a3f25d264f41b643e0f57" > SparsePermutation::AddToCurrentCycle< / a > (< span class = "keywordtype" > int< / span > x) {< / div >
< div class = "line" > < a id = "l00085" name = "l00085" > < / a > < span class = "lineno" > 85< / span > DCHECK_GE(x, 0);< / div >
< div class = "line" > < a id = "l00086" name = "l00086" > < / a > < span class = "lineno" > 86< / span > DCHECK_LT(x, size_);< / div >
< div class = "line" > < a id = "l00087" name = "l00087" > < / a > < span class = "lineno" > 87< / span > cycles_.push_back(x);< / div >
< div class = "line" > < a id = "l00088" name = "l00088" > < / a > < span class = "lineno" > 88< / span > }< / div >
< div class = "line" > < a id = "l00089" name = "l00089" > < / a > < span class = "lineno" > 89< / span > < / div >
< div class = "line" > < a id = "l00090" name = "l00090" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_sparse_permutation.html#a709f5ccee8651229a29a54b3c9e14681" > 90< / a > < / span > < span class = "keyword" > inline< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1_sparse_permutation.html#a709f5ccee8651229a29a54b3c9e14681" > SparsePermutation::CloseCurrentCycle< / a > () {< / div >
< div class = "line" > < a id = "l00091" name = "l00091" > < / a > < span class = "lineno" > 91< / span > < span class = "keywordflow" > if< / span > (cycle_ends_.empty()) {< / div >
< div class = "line" > < a id = "l00092" name = "l00092" > < / a > < span class = "lineno" > 92< / span > DCHECK_GE(cycles_.size(), 2);< / div >
< div class = "line" > < a id = "l00093" name = "l00093" > < / a > < span class = "lineno" > 93< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00094" name = "l00094" > < / a > < span class = "lineno" > 94< / span > DCHECK_GE(cycles_.size(), cycle_ends_.back() + 2);< / div >
< div class = "line" > < a id = "l00095" name = "l00095" > < / a > < span class = "lineno" > 95< / span > }< / div >
< div class = "line" > < a id = "l00096" name = "l00096" > < / a > < span class = "lineno" > 96< / span > cycle_ends_.push_back(cycles_.size());< / div >
< div class = "line" > < a id = "l00097" name = "l00097" > < / a > < span class = "lineno" > 97< / span > }< / div >
< div class = "line" > < a id = "l00098" name = "l00098" > < / a > < span class = "lineno" > 98< / span > < / div >
< div class = "line" > < a id = "l00099" name = "l00099" > < / a > < span class = "lineno" > < a class = "line" href = "structoperations__research_1_1_sparse_permutation_1_1_iterator.html" > 99< / a > < / span > < span class = "keyword" > struct < / span > < a class = "code hl_struct" href = "structoperations__research_1_1_sparse_permutation_1_1_iterator.html" > SparsePermutation::Iterator< / a > {< / div >
< div class = "line" > < a id = "l00100" name = "l00100" > < / a > < span class = "lineno" > 100< / span > < span class = "comment" > // These typedefs allow this iterator to be used within testing::ElementsAre.< / span > < / div >
< div class = "line" > < a id = "l00101" name = "l00101" > < / a > < span class = "lineno" > < a class = "line" href = "structoperations__research_1_1_sparse_permutation_1_1_iterator.html#a1183625e61d46f8e98a980720c684146" > 101< / a > < / span > < span class = "keyword" > typedef< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_typedef" href = "structoperations__research_1_1_sparse_permutation_1_1_iterator.html#a1183625e61d46f8e98a980720c684146" > value_type< / a > ;< / div >
< div class = "line" > < a id = "l00102" name = "l00102" > < / a > < span class = "lineno" > < a class = "line" href = "structoperations__research_1_1_sparse_permutation_1_1_iterator.html#a5a85aaf56880f04a078dc182410090df" > 102< / a > < / span > < span class = "keyword" > typedef< / span > std::vector< int> ::const_iterator < a class = "code hl_typedef" href = "structoperations__research_1_1_sparse_permutation_1_1_iterator.html#a5a85aaf56880f04a078dc182410090df" > const_iterator< / a > ;< / div >
< div class = "line" > < a id = "l00103" name = "l00103" > < / a > < span class = "lineno" > 103< / span > < / div >
< div class = "line" > < a id = "l00104" name = "l00104" > < / a > < span class = "lineno" > < a class = "line" href = "structoperations__research_1_1_sparse_permutation_1_1_iterator.html#a1f703720e1f5d97a0386c2dfe803c763" > 104< / a > < / span > < a class = "code hl_function" href = "structoperations__research_1_1_sparse_permutation_1_1_iterator.html#a1f703720e1f5d97a0386c2dfe803c763" > Iterator< / a > () {}< / div >
< div class = "line" > < a id = "l00105" name = "l00105" > < / a > < span class = "lineno" > < a class = "line" href = "structoperations__research_1_1_sparse_permutation_1_1_iterator.html#a45e7d9be5295e365dc2f6e1f46f969e1" > 105< / a > < / span > < a class = "code hl_function" href = "structoperations__research_1_1_sparse_permutation_1_1_iterator.html#a45e7d9be5295e365dc2f6e1f46f969e1" > Iterator< / a > (< span class = "keyword" > const< / span > std::vector< int> ::const_iterator& b,< / div >
< div class = "line" > < a id = "l00106" name = "l00106" > < / a > < span class = "lineno" > 106< / span > < span class = "keyword" > const< / span > std::vector< int> ::const_iterator& e)< / div >
< div class = "line" > < a id = "l00107" name = "l00107" > < / a > < span class = "lineno" > 107< / span > : < a class = "code hl_variable" href = "structoperations__research_1_1_sparse_permutation_1_1_iterator.html#a90184cfdf1a6d1e0e22c93105954a44e" > begin_< / a > (b), < a class = "code hl_variable" href = "structoperations__research_1_1_sparse_permutation_1_1_iterator.html#a57fece117afab3e8dd6d54a015c783f6" > end_< / a > (e) {}< / div >
< div class = "line" > < a id = "l00108" name = "l00108" > < / a > < span class = "lineno" > 108< / span > < / div >
< div class = "line" > < a id = "l00109" name = "l00109" > < / a > < span class = "lineno" > < a class = "line" href = "structoperations__research_1_1_sparse_permutation_1_1_iterator.html#a895e8e66079521889215308182c5591b" > 109< / a > < / span > std::vector< int> ::const_iterator < a class = "code hl_function" href = "structoperations__research_1_1_sparse_permutation_1_1_iterator.html#a895e8e66079521889215308182c5591b" > begin< / a > ()< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > < a class = "code hl_variable" href = "structoperations__research_1_1_sparse_permutation_1_1_iterator.html#a90184cfdf1a6d1e0e22c93105954a44e" > begin_< / a > ; }< / div >
< div class = "line" > < a id = "l00110" name = "l00110" > < / a > < span class = "lineno" > < a class = "line" href = "structoperations__research_1_1_sparse_permutation_1_1_iterator.html#a4e37f070051346d7cd493425490c175e" > 110< / a > < / span > std::vector< int> ::const_iterator < a class = "code hl_function" href = "structoperations__research_1_1_sparse_permutation_1_1_iterator.html#a4e37f070051346d7cd493425490c175e" > end< / a > ()< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > < a class = "code hl_variable" href = "structoperations__research_1_1_sparse_permutation_1_1_iterator.html#a57fece117afab3e8dd6d54a015c783f6" > end_< / a > ; }< / div >
< div class = "line" > < a id = "l00111" name = "l00111" > < / a > < span class = "lineno" > < a class = "line" href = "structoperations__research_1_1_sparse_permutation_1_1_iterator.html#a90184cfdf1a6d1e0e22c93105954a44e" > 111< / a > < / span > < span class = "keyword" > const< / span > std::vector< int> ::const_iterator < a class = "code hl_variable" href = "structoperations__research_1_1_sparse_permutation_1_1_iterator.html#a90184cfdf1a6d1e0e22c93105954a44e" > begin_< / a > ;< / div >
< div class = "line" > < a id = "l00112" name = "l00112" > < / a > < span class = "lineno" > < a class = "line" href = "structoperations__research_1_1_sparse_permutation_1_1_iterator.html#a57fece117afab3e8dd6d54a015c783f6" > 112< / a > < / span > < span class = "keyword" > const< / span > std::vector< int> ::const_iterator < a class = "code hl_variable" href = "structoperations__research_1_1_sparse_permutation_1_1_iterator.html#a57fece117afab3e8dd6d54a015c783f6" > end_< / a > ;< / div >
< div class = "line" > < a id = "l00113" name = "l00113" > < / a > < span class = "lineno" > 113< / span > < / div >
< div class = "line" > < a id = "l00114" name = "l00114" > < / a > < span class = "lineno" > < a class = "line" href = "structoperations__research_1_1_sparse_permutation_1_1_iterator.html#af9593d4a5ff4274efaf429cb4f9e57cc" > 114< / a > < / span > < span class = "keywordtype" > int< / span > < a class = "code hl_function" href = "structoperations__research_1_1_sparse_permutation_1_1_iterator.html#af9593d4a5ff4274efaf429cb4f9e57cc" > size< / a > ()< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > < a class = "code hl_variable" href = "structoperations__research_1_1_sparse_permutation_1_1_iterator.html#a57fece117afab3e8dd6d54a015c783f6" > end_< / a > - < a class = "code hl_variable" href = "structoperations__research_1_1_sparse_permutation_1_1_iterator.html#a90184cfdf1a6d1e0e22c93105954a44e" > begin_< / a > ; }< / div >
< div class = "line" > < a id = "l00115" name = "l00115" > < / a > < span class = "lineno" > 115< / span > };< / div >
< div class = "line" > < a id = "l00116" name = "l00116" > < / a > < span class = "lineno" > 116< / span > < / div >
< div class = "line" > < a id = "l00117" name = "l00117" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_sparse_permutation.html#af567b4e287e268eb9ecee908f63e5b64" > 117< / a > < / span > < span class = "keyword" > inline< / span > < a class = "code hl_struct" href = "structoperations__research_1_1_sparse_permutation_1_1_iterator.html" > SparsePermutation::Iterator< / a > < a class = "code hl_function" href = "classoperations__research_1_1_sparse_permutation.html#af567b4e287e268eb9ecee908f63e5b64" > SparsePermutation::Cycle< / a > (< span class = "keywordtype" > int< / span > i)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a id = "l00118" name = "l00118" > < / a > < span class = "lineno" > 118< / span > DCHECK_GE(i, 0);< / div >
< div class = "line" > < a id = "l00119" name = "l00119" > < / a > < span class = "lineno" > 119< / span > DCHECK_LT(i, < a class = "code hl_function" href = "classoperations__research_1_1_sparse_permutation.html#a8c5fc5af6e649a82d169f61e4dab5e33" > NumCycles< / a > ());< / div >
< div class = "line" > < a id = "l00120" name = "l00120" > < / a > < span class = "lineno" > 120< / span > < span class = "keywordflow" > return< / span > < a class = "code hl_struct" href = "structoperations__research_1_1_sparse_permutation_1_1_iterator.html" > Iterator< / a > (cycles_.begin() + (i == 0 ? 0 : cycle_ends_[i - 1]),< / div >
< div class = "line" > < a id = "l00121" name = "l00121" > < / a > < span class = "lineno" > 121< / span > cycles_.begin() + cycle_ends_[i]);< / div >
< div class = "line" > < a id = "l00122" name = "l00122" > < / a > < span class = "lineno" > 122< / span > }< / div >
< div class = "line" > < a id = "l00123" name = "l00123" > < / a > < span class = "lineno" > 123< / span > < / div >
< div class = "line" > < a id = "l00124" name = "l00124" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_sparse_permutation.html#a68c2934475b5f68d6d6b9b2fdfb9955d" > 124< / a > < / span > < span class = "keyword" > inline< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_function" href = "classoperations__research_1_1_sparse_permutation.html#a68c2934475b5f68d6d6b9b2fdfb9955d" > SparsePermutation::LastElementInCycle< / a > (< span class = "keywordtype" > int< / span > i)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a id = "l00125" name = "l00125" > < / a > < span class = "lineno" > 125< / span > DCHECK_GE(i, 0);< / div >
< div class = "line" > < a id = "l00126" name = "l00126" > < / a > < span class = "lineno" > 126< / span > DCHECK_LT(i, cycle_ends_.size());< / div >
< div class = "line" > < a id = "l00127" name = "l00127" > < / a > < span class = "lineno" > 127< / span > DCHECK_GT(cycle_ends_[i], i == 0 ? 0 : cycle_ends_[i - 1]);< / div >
< div class = "line" > < a id = "l00128" name = "l00128" > < / a > < span class = "lineno" > 128< / span > < span class = "keywordflow" > return< / span > cycles_[cycle_ends_[i] - 1];< / div >
< div class = "line" > < a id = "l00129" name = "l00129" > < / a > < span class = "lineno" > 129< / span > }< / div >
< div class = "line" > < a id = "l00130" name = "l00130" > < / a > < span class = "lineno" > 130< / span > < / div >
< div class = "line" > < a id = "l00131" name = "l00131" > < / a > < span class = "lineno" > 131< / span > } < span class = "comment" > // namespace operations_research< / span > < / div >
< div class = "line" > < a id = "l00132" name = "l00132" > < / a > < span class = "lineno" > 132< / span > < / div >
< div class = "line" > < a id = "l00133" name = "l00133" > < / a > < span class = "lineno" > 133< / span > < span class = "preprocessor" > #endif < / span > < span class = "comment" > // OR_TOOLS_ALGORITHMS_SPARSE_PERMUTATION_H_< / span > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_sparse_permutation_html" > < div class = "ttname" > < a href = "classoperations__research_1_1_sparse_permutation.html" > operations_research::SparsePermutation< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sparse__permutation_8h_source.html#l00027" > sparse_permutation.h:27< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_sparse_permutation_html_a1d5b283f6fa63b162d0dd2b58333ca19" > < div class = "ttname" > < a href = "classoperations__research_1_1_sparse_permutation.html#a1d5b283f6fa63b162d0dd2b58333ca19" > operations_research::SparsePermutation::SparsePermutation< / a > < / div > < div class = "ttdeci" > SparsePermutation(int size)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sparse__permutation_8h_source.html#l00029" > sparse_permutation.h:29< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_sparse_permutation_html_a24926108b770033792d015cb86aeffb3" > < div class = "ttname" > < a href = "classoperations__research_1_1_sparse_permutation.html#a24926108b770033792d015cb86aeffb3" > operations_research::SparsePermutation::Size< / a > < / div > < div class = "ttdeci" > int Size() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sparse__permutation_8h_source.html#l00032" > sparse_permutation.h:32< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_sparse_permutation_html_a540c5f44963a3f25d264f41b643e0f57" > < div class = "ttname" > < a href = "classoperations__research_1_1_sparse_permutation.html#a540c5f44963a3f25d264f41b643e0f57" > operations_research::SparsePermutation::AddToCurrentCycle< / a > < / div > < div class = "ttdeci" > void AddToCurrentCycle(int x)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sparse__permutation_8h_source.html#l00084" > sparse_permutation.h:84< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_sparse_permutation_html_a68c2934475b5f68d6d6b9b2fdfb9955d" > < div class = "ttname" > < a href = "classoperations__research_1_1_sparse_permutation.html#a68c2934475b5f68d6d6b9b2fdfb9955d" > operations_research::SparsePermutation::LastElementInCycle< / a > < / div > < div class = "ttdeci" > int LastElementInCycle(int i) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sparse__permutation_8h_source.html#l00124" > sparse_permutation.h:124< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_sparse_permutation_html_a709f5ccee8651229a29a54b3c9e14681" > < div class = "ttname" > < a href = "classoperations__research_1_1_sparse_permutation.html#a709f5ccee8651229a29a54b3c9e14681" > operations_research::SparsePermutation::CloseCurrentCycle< / a > < / div > < div class = "ttdeci" > void CloseCurrentCycle()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sparse__permutation_8h_source.html#l00090" > sparse_permutation.h:90< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_sparse_permutation_html_a764be64f3029f8b8e23511061d8de355" > < div class = "ttname" > < a href = "classoperations__research_1_1_sparse_permutation.html#a764be64f3029f8b8e23511061d8de355" > operations_research::SparsePermutation::DebugString< / a > < / div > < div class = "ttdeci" > std::string DebugString() const< / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_sparse_permutation_html_a82f200c590897fcfb10aca6cfc536109" > < div class = "ttname" > < a href = "classoperations__research_1_1_sparse_permutation.html#a82f200c590897fcfb10aca6cfc536109" > operations_research::SparsePermutation::Support< / a > < / div > < div class = "ttdeci" > const std::vector< int > & Support() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sparse__permutation_8h_source.html#l00037" > sparse_permutation.h:37< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_sparse_permutation_html_a8c5fc5af6e649a82d169f61e4dab5e33" > < div class = "ttname" > < a href = "classoperations__research_1_1_sparse_permutation.html#a8c5fc5af6e649a82d169f61e4dab5e33" > operations_research::SparsePermutation::NumCycles< / a > < / div > < div class = "ttdeci" > int NumCycles() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sparse__permutation_8h_source.html#l00033" > sparse_permutation.h:33< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_sparse_permutation_html_a9add43490c45e4334099bb15b6e6eab0" > < div class = "ttname" > < a href = "classoperations__research_1_1_sparse_permutation.html#a9add43490c45e4334099bb15b6e6eab0" > operations_research::SparsePermutation::RemoveCycles< / a > < / div > < div class = "ttdeci" > void RemoveCycles(const std::vector< int > & cycle_indices)< / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_sparse_permutation_html_af567b4e287e268eb9ecee908f63e5b64" > < div class = "ttname" > < a href = "classoperations__research_1_1_sparse_permutation.html#af567b4e287e268eb9ecee908f63e5b64" > operations_research::SparsePermutation::Cycle< / a > < / div > < div class = "ttdeci" > Iterator Cycle(int i) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sparse__permutation_8h_source.html#l00117" > sparse_permutation.h:117< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_html" > < div class = "ttname" > < a href = "namespaceoperations__research.html" > operations_research< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "dense__doubly__linked__list_8h_source.html#l00021" > dense_doubly_linked_list.h:21< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1_sparse_permutation_1_1_iterator_html" > < div class = "ttname" > < a href = "structoperations__research_1_1_sparse_permutation_1_1_iterator.html" > operations_research::SparsePermutation::Iterator< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sparse__permutation_8h_source.html#l00099" > sparse_permutation.h:99< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1_sparse_permutation_1_1_iterator_html_a1183625e61d46f8e98a980720c684146" > < div class = "ttname" > < a href = "structoperations__research_1_1_sparse_permutation_1_1_iterator.html#a1183625e61d46f8e98a980720c684146" > operations_research::SparsePermutation::Iterator::value_type< / a > < / div > < div class = "ttdeci" > int value_type< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sparse__permutation_8h_source.html#l00101" > sparse_permutation.h:101< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1_sparse_permutation_1_1_iterator_html_a1f703720e1f5d97a0386c2dfe803c763" > < div class = "ttname" > < a href = "structoperations__research_1_1_sparse_permutation_1_1_iterator.html#a1f703720e1f5d97a0386c2dfe803c763" > operations_research::SparsePermutation::Iterator::Iterator< / a > < / div > < div class = "ttdeci" > Iterator()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sparse__permutation_8h_source.html#l00104" > sparse_permutation.h:104< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1_sparse_permutation_1_1_iterator_html_a45e7d9be5295e365dc2f6e1f46f969e1" > < div class = "ttname" > < a href = "structoperations__research_1_1_sparse_permutation_1_1_iterator.html#a45e7d9be5295e365dc2f6e1f46f969e1" > operations_research::SparsePermutation::Iterator::Iterator< / a > < / div > < div class = "ttdeci" > Iterator(const std::vector< int > ::const_iterator & b, const std::vector< int > ::const_iterator & e)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sparse__permutation_8h_source.html#l00105" > sparse_permutation.h:105< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1_sparse_permutation_1_1_iterator_html_a4e37f070051346d7cd493425490c175e" > < div class = "ttname" > < a href = "structoperations__research_1_1_sparse_permutation_1_1_iterator.html#a4e37f070051346d7cd493425490c175e" > operations_research::SparsePermutation::Iterator::end< / a > < / div > < div class = "ttdeci" > std::vector< int > ::const_iterator end() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sparse__permutation_8h_source.html#l00110" > sparse_permutation.h:110< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1_sparse_permutation_1_1_iterator_html_a57fece117afab3e8dd6d54a015c783f6" > < div class = "ttname" > < a href = "structoperations__research_1_1_sparse_permutation_1_1_iterator.html#a57fece117afab3e8dd6d54a015c783f6" > operations_research::SparsePermutation::Iterator::end_< / a > < / div > < div class = "ttdeci" > const std::vector< int > ::const_iterator end_< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sparse__permutation_8h_source.html#l00112" > sparse_permutation.h:112< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1_sparse_permutation_1_1_iterator_html_a5a85aaf56880f04a078dc182410090df" > < div class = "ttname" > < a href = "structoperations__research_1_1_sparse_permutation_1_1_iterator.html#a5a85aaf56880f04a078dc182410090df" > operations_research::SparsePermutation::Iterator::const_iterator< / a > < / div > < div class = "ttdeci" > std::vector< int > ::const_iterator const_iterator< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sparse__permutation_8h_source.html#l00102" > sparse_permutation.h:102< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1_sparse_permutation_1_1_iterator_html_a895e8e66079521889215308182c5591b" > < div class = "ttname" > < a href = "structoperations__research_1_1_sparse_permutation_1_1_iterator.html#a895e8e66079521889215308182c5591b" > operations_research::SparsePermutation::Iterator::begin< / a > < / div > < div class = "ttdeci" > std::vector< int > ::const_iterator begin() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sparse__permutation_8h_source.html#l00109" > sparse_permutation.h:109< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1_sparse_permutation_1_1_iterator_html_a90184cfdf1a6d1e0e22c93105954a44e" > < div class = "ttname" > < a href = "structoperations__research_1_1_sparse_permutation_1_1_iterator.html#a90184cfdf1a6d1e0e22c93105954a44e" > operations_research::SparsePermutation::Iterator::begin_< / a > < / div > < div class = "ttdeci" > const std::vector< int > ::const_iterator begin_< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sparse__permutation_8h_source.html#l00111" > sparse_permutation.h:111< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1_sparse_permutation_1_1_iterator_html_af9593d4a5ff4274efaf429cb4f9e57cc" > < div class = "ttname" > < a href = "structoperations__research_1_1_sparse_permutation_1_1_iterator.html#af9593d4a5ff4274efaf429cb4f9e57cc" > operations_research::SparsePermutation::Iterator::size< / a > < / div > < div class = "ttdeci" > int size() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sparse__permutation_8h_source.html#l00114" > sparse_permutation.h:114< / a > < / div > < / div >
2021-01-26 11:28:50 +01:00
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