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< a href = "update__row_8cc.html" > Go to the documentation of this file.< / a > < div class = "fragment" > < div class = "line" > < a name = "l00001" > < / a > < span class = "lineno" > 1< / span >   < span class = "comment" > // Copyright 2010-2018 Google LLC< / span > < / div >
< div class = "line" > < a 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 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 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 name = "l00005" > < / a > < span class = "lineno" > 5< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a 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 name = "l00007" > < / a > < span class = "lineno" > 7< / span >   < span class = "comment" > //< / span > < / div >
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< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < span class = "comment" > // See the License for the specific language governing permissions and< / span > < / div >
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< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < span class = "preprocessor" > #include " < a class = "code" href = "update__row_8h.html" > ortools/glop/update_row.h< / a > " < / span > < / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < span class = "preprocessor" > #include " < a class = "code" href = "lp__data_2lp__utils_8h.html" > ortools/lp_data/lp_utils.h< / a > " < / span > < / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < / div >
< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   < span class = "keyword" > namespace < / span > < a class = "code" href = "namespaceoperations__research.html" > operations_research< / a > {< / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < span class = "keyword" > namespace < / span > glop {< / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   < / div >
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< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_update_row.html#a69f5823dcd3e25a2f39ddc339ad58679" > 21< / a > < / span >   < a class = "code" href = "classoperations__research_1_1glop_1_1_update_row.html#a69f5823dcd3e25a2f39ddc339ad58679" > UpdateRow::UpdateRow< / a > (< span class = "keyword" > const< / span > < a class = "code" href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html" > CompactSparseMatrix< / a > & matrix,< / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html" > CompactSparseMatrix< / a > & transposed_matrix,< / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "classoperations__research_1_1glop_1_1_variables_info.html" > VariablesInfo< / a > & variables_info,< / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "classoperations__research_1_1glop_1_1_strict_i_t_i_vector.html" > RowToColMapping< / a > & basis,< / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "classoperations__research_1_1glop_1_1_basis_factorization.html" > BasisFactorization< / a > & basis_factorization)< / div >
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< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   : matrix_(matrix),< / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   transposed_matrix_(transposed_matrix),< / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   variables_info_(variables_info),< / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   basis_(basis),< / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   basis_factorization_(basis_factorization),< / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   unit_row_left_inverse_(),< / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   non_zero_position_list_(),< / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   non_zero_position_set_(),< / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   coefficient_(),< / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   compute_update_row_(true),< / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   num_operations_(0),< / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   parameters_(),< / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   stats_() {}< / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   < / div >
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< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_update_row.html#ab9adfea0e765ab447b8ce7730a6cd812" > 40< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "classoperations__research_1_1glop_1_1_update_row.html#ab9adfea0e765ab447b8ce7730a6cd812" > UpdateRow::Invalidate< / a > () {< / div >
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< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   < a class = "code" href = "stats_8h.html#a9995704aaaf45fc21e08c847551a8d04" > SCOPED_TIME_STAT< / a > (& stats_);< / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   compute_update_row_ = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   }< / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   < / div >
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< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_update_row.html#a985c788192edce2013ad59d4f0c934cf" > 45< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "classoperations__research_1_1glop_1_1_update_row.html#a985c788192edce2013ad59d4f0c934cf" > UpdateRow::IgnoreUpdatePosition< / a > (ColIndex < a class = "code" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > ) {< / div >
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< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   < a class = "code" href = "stats_8h.html#a9995704aaaf45fc21e08c847551a8d04" > SCOPED_TIME_STAT< / a > (& stats_);< / div >
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< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > > = coefficient_.< a class = "code" href = "classoperations__research_1_1glop_1_1_strict_i_t_i_vector.html#a967a5c081ad4195a30c78dc2c0bcabf5" > size< / a > ()) < span class = "keywordflow" > return< / span > ;< / div >
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< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   coefficient_[< a class = "code" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > ] = 0.0;< / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   }< / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   < / div >
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< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_update_row.html#a0c3551dfd558be8edc0bd8d565cfca30" > 51< / a > < / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structoperations__research_1_1glop_1_1_scattered_row.html" > ScatteredRow< / a > & < a class = "code" href = "classoperations__research_1_1glop_1_1_update_row.html#a0c3551dfd558be8edc0bd8d565cfca30" > UpdateRow::GetUnitRowLeftInverse< / a > ()< span class = "keyword" > const < / span > {< / div >
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< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   DCHECK(!compute_update_row_);< / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   < span class = "keywordflow" > return< / span > unit_row_left_inverse_;< / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   }< / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   < / div >
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< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_update_row.html#a2355c817cae2bbd316f28aea2e842761" > 56< / a > < / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structoperations__research_1_1glop_1_1_scattered_row.html" > ScatteredRow< / a > & < a class = "code" href = "classoperations__research_1_1glop_1_1_update_row.html#a2355c817cae2bbd316f28aea2e842761" > UpdateRow::ComputeAndGetUnitRowLeftInverse< / a > (< / div >
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< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   RowIndex leaving_row) {< / div >
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< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   < a class = "code" href = "classoperations__research_1_1glop_1_1_update_row.html#ab9adfea0e765ab447b8ce7730a6cd812" > Invalidate< / a > ();< / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   basis_factorization_.< a class = "code" href = "classoperations__research_1_1glop_1_1_basis_factorization.html#a781d7728c278ae44bf265cf222479b98" > TemporaryLeftSolveForUnitRow< / a > (< a class = "code" href = "namespaceoperations__research_1_1glop.html#a8fbc9efd86a3cc862a9079d86ab8b524" > RowToColIndex< / a > (leaving_row),< / div >
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< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   & unit_row_left_inverse_);< / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   < span class = "keywordflow" > return< / span > unit_row_left_inverse_;< / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   }< / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   < / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   < span class = "keywordtype" > void< / span > UpdateRow::ComputeUnitRowLeftInverse(RowIndex leaving_row) {< / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   < a class = "code" href = "stats_8h.html#a9995704aaaf45fc21e08c847551a8d04" > SCOPED_TIME_STAT< / a > (& stats_);< / div >
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< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   basis_factorization_.< a class = "code" href = "classoperations__research_1_1glop_1_1_basis_factorization.html#a41b0509864e6eb62f0415975a914ba4b" > LeftSolveForUnitRow< / a > (< a class = "code" href = "namespaceoperations__research_1_1glop.html#a8fbc9efd86a3cc862a9079d86ab8b524" > RowToColIndex< / a > (leaving_row),< / div >
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< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   & unit_row_left_inverse_);< / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   < / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   < span class = "comment" > // TODO(user): Refactorize if the estimated accuracy is above a threshold.< / span > < / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   < a class = "code" href = "stats_8h.html#a3c3e6b102f0d91c523099325c98e1887" > IF_STATS_ENABLED< / a > (stats_.unit_row_left_inverse_accuracy.Add(< / div >
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< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   matrix_.< a class = "code" href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#abdd940ad64b555052b33e763b80aea26" > ColumnScalarProduct< / a > (basis_[leaving_row],< / div >
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   unit_row_left_inverse_.< a class = "code" href = "structoperations__research_1_1glop_1_1_scattered_vector.html#ae0473e18a367af671dc3f08063c80da4" > values< / a > ) -< / div >
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< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   1.0));< / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   < a class = "code" href = "stats_8h.html#a3c3e6b102f0d91c523099325c98e1887" > IF_STATS_ENABLED< / a > (stats_.unit_row_left_inverse_density.Add(< / div >
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< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   < a class = "code" href = "namespaceoperations__research_1_1glop.html#a6b36bbbcd695191600dab9b88487ff18" > Density< / a > (unit_row_left_inverse_.< a class = "code" href = "structoperations__research_1_1glop_1_1_scattered_vector.html#ae0473e18a367af671dc3f08063c80da4" > values< / a > ())));< / div >
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< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   }< / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   < / div >
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< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_update_row.html#ac9f13d2561598d3a04b409dd7b4e1f0c" > 78< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "classoperations__research_1_1glop_1_1_update_row.html#ac9f13d2561598d3a04b409dd7b4e1f0c" > UpdateRow::ComputeUpdateRow< / a > (RowIndex leaving_row) {< / div >
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< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   < span class = "keywordflow" > if< / span > (!compute_update_row_ & & update_row_computed_for_ == leaving_row) < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   compute_update_row_ = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   update_row_computed_for_ = leaving_row;< / div >
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   ComputeUnitRowLeftInverse(leaving_row);< / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   < a class = "code" href = "stats_8h.html#a9995704aaaf45fc21e08c847551a8d04" > SCOPED_TIME_STAT< / a > (& stats_);< / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   < / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   < span class = "keywordflow" > if< / span > (parameters_.use_transposed_matrix()) {< / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   < span class = "comment" > // Number of entries that ComputeUpdatesRowWise() will need to look at.< / span > < / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   EntryIndex num_row_wise_entries(0);< / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   < / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   < span class = "comment" > // Because we are about to do an expensive matrix-vector product, we make< / span > < / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   < span class = "comment" > // sure we drop small entries in the vector for the row-wise algorithm. We< / span > < / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   < span class = "comment" > // also computes its non-zeros to simplify the code below.< / span > < / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   < span class = "comment" > // TODO(user): So far we didn' t generalize the use of drop tolerances< / span > < / div >
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   < span class = "comment" > // everywhere in the solver, so we make sure to not modify< / span > < / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   < span class = "comment" > // unit_row_left_inverse_ that is also used elsewhere. However, because of< / span > < / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   < span class = "comment" > // that, we will not get the exact same result depending on the algortihm< / span > < / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   < span class = "comment" > // used below because the ComputeUpdatesColumnWise() will still use these< / span > < / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   < span class = "comment" > // small entries (no complexity changes).< / span > < / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > Fractional< / a > drop_tolerance = parameters_.drop_tolerance();< / div >
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   unit_row_left_inverse_filtered_non_zeros_.clear();< / div >
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< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   < span class = "keywordflow" > if< / span > (unit_row_left_inverse_.< a class = "code" href = "structoperations__research_1_1glop_1_1_scattered_vector.html#ac146d47daa294f7e6546c7569c9c881b" > non_zeros< / a > .empty()) {< / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   < span class = "keyword" > const< / span > ColIndex size = unit_row_left_inverse_.< a class = "code" href = "structoperations__research_1_1glop_1_1_scattered_vector.html#ae0473e18a367af671dc3f08063c80da4" > values< / a > .< a class = "code" href = "classoperations__research_1_1glop_1_1_strict_i_t_i_vector.html#a967a5c081ad4195a30c78dc2c0bcabf5" > size< / a > ();< / div >
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< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   < span class = "keywordflow" > for< / span > (ColIndex < a class = "code" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > (0); < a class = "code" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > < size; ++< a class = "code" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > ) {< / div >
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< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   < span class = "keywordflow" > if< / span > (std::abs(unit_row_left_inverse_.< a class = "code" href = "structoperations__research_1_1glop_1_1_scattered_vector.html#ae0473e18a367af671dc3f08063c80da4" > values< / a > [< a class = "code" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > ]) > drop_tolerance) {< / div >
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< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   unit_row_left_inverse_filtered_non_zeros_.push_back(< a class = "code" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > );< / div >
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< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > 106< / span >   num_row_wise_entries += transposed_matrix_.< a class = "code" href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#afe3d36f3ba4f04442fbb36f8726f8baf" > ColumnNumEntries< / a > (< a class = "code" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > );< / div >
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< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   }< / div >
< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > 108< / span >   }< / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > e : unit_row_left_inverse_) {< / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   < span class = "keywordflow" > if< / span > (std::abs(e.coefficient()) > drop_tolerance) {< / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   unit_row_left_inverse_filtered_non_zeros_.push_back(e.column());< / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   num_row_wise_entries +=< / div >
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< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   transposed_matrix_.< a class = "code" href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#afe3d36f3ba4f04442fbb36f8726f8baf" > ColumnNumEntries< / a > (e.column());< / div >
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< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   }< / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   }< / div >
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   }< / div >
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   < / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   < span class = "comment" > // Number of entries that ComputeUpdatesColumnWise() will need to look at.< / span > < / div >
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   < span class = "keyword" > const< / span > EntryIndex num_col_wise_entries =< / div >
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< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   variables_info_.< a class = "code" href = "classoperations__research_1_1glop_1_1_variables_info.html#a403cb41e08b5ffb338d004c85ca0853a" > GetNumEntriesInRelevantColumns< / a > ();< / div >
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< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   < / div >
< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > 123< / span >   < span class = "comment" > // Note that the thresholds were chosen (more or less) from the result of< / span > < / div >
< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / span >   < span class = "comment" > // the microbenchmark tests of this file in September 2013.< / span > < / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   < span class = "comment" > // TODO(user): automate the computation of these constants at run-time?< / span > < / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > double< / span > row_wise = < span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > double< / span > < span class = "keyword" > > < / span > (num_row_wise_entries.value());< / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / span >   < span class = "keywordflow" > if< / span > (row_wise < 0.5 * < span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > double< / span > < span class = "keyword" > > < / span > (num_col_wise_entries.value())) {< / div >
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< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   < span class = "keywordflow" > if< / span > (row_wise < 1.1 * < span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > double< / span > < span class = "keyword" > > < / span > (matrix_.< a class = "code" href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#a41741829541d089f1c4d34f190884813" > num_cols< / a > ().value())) {< / div >
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< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > 129< / span >   ComputeUpdatesRowWiseHypersparse();< / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   num_operations_ += num_row_wise_entries.value();< / div >
< div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > 131< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   ComputeUpdatesRowWise();< / div >
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   num_operations_ +=< / div >
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< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / span >   num_row_wise_entries.value() + matrix_.< a class = "code" href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#a960110e64357a3e69162ebf1f71959dd" > num_rows< / a > ().value();< / div >
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< div class = "line" > < a name = "l00135" > < / a > < span class = "lineno" > 135< / span >   }< / div >
< div class = "line" > < a name = "l00136" > < / a > < span class = "lineno" > 136< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   ComputeUpdatesColumnWise();< / div >
< div class = "line" > < a name = "l00138" > < / a > < span class = "lineno" > 138< / span >   num_operations_ +=< / div >
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< div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > 139< / span >   num_col_wise_entries.value() + matrix_.< a class = "code" href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#a41741829541d089f1c4d34f190884813" > num_cols< / a > ().value();< / div >
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< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   }< / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   ComputeUpdatesColumnWise();< / div >
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   num_operations_ +=< / div >
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< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   variables_info_.< a class = "code" href = "classoperations__research_1_1glop_1_1_variables_info.html#a403cb41e08b5ffb338d004c85ca0853a" > GetNumEntriesInRelevantColumns< / a > ().value() +< / div >
< div class = "line" > < a name = "l00145" > < / a > < span class = "lineno" > 145< / span >   matrix_.< a class = "code" href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#a41741829541d089f1c4d34f190884813" > num_cols< / a > ().value();< / div >
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< div class = "line" > < a name = "l00146" > < / a > < span class = "lineno" > 146< / span >   }< / div >
< div class = "line" > < a name = "l00147" > < / a > < span class = "lineno" > 147< / span >   < a class = "code" href = "stats_8h.html#a3c3e6b102f0d91c523099325c98e1887" > IF_STATS_ENABLED< / a > (stats_.update_row_density.Add(< / div >
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   < span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > double< / span > < span class = "keyword" > > < / span > (non_zero_position_list_.size()) /< / div >
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< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > 149< / span >   < span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > double< / span > < span class = "keyword" > > < / span > (matrix_.< a class = "code" href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#a41741829541d089f1c4d34f190884813" > num_cols< / a > ().value())));< / div >
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< div class = "line" > < a name = "l00150" > < / a > < span class = "lineno" > 150< / span >   }< / div >
< div class = "line" > < a name = "l00151" > < / a > < span class = "lineno" > 151< / span >   < / div >
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< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_update_row.html#a3e7cad3b8c461fe473b1bd98b6a24156" > 152< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "classoperations__research_1_1glop_1_1_update_row.html#a3e7cad3b8c461fe473b1bd98b6a24156" > UpdateRow::ComputeUpdateRowForBenchmark< / a > (< span class = "keyword" > const< / span > < a class = "code" href = "classoperations__research_1_1glop_1_1_strict_i_t_i_vector.html" > DenseRow< / a > & lhs,< / div >
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< div class = "line" > < a name = "l00153" > < / a > < span class = "lineno" > 153< / span >   < span class = "keyword" > const< / span > std::string& algorithm) {< / div >
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< div class = "line" > < a name = "l00154" > < / a > < span class = "lineno" > 154< / span >   unit_row_left_inverse_.< a class = "code" href = "structoperations__research_1_1glop_1_1_scattered_vector.html#ae0473e18a367af671dc3f08063c80da4" > values< / a > = lhs;< / div >
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< div class = "line" > < a name = "l00155" > < / a > < span class = "lineno" > 155< / span >   < a class = "code" href = "namespaceoperations__research_1_1glop.html#a3e037ab543673629f84850a85c761132" > ComputeNonZeros< / a > (lhs, & unit_row_left_inverse_filtered_non_zeros_);< / div >
< div class = "line" > < a name = "l00156" > < / a > < span class = "lineno" > 156< / span >   < span class = "keywordflow" > if< / span > (algorithm == < span class = "stringliteral" > " column" < / span > ) {< / div >
< div class = "line" > < a name = "l00157" > < / a > < span class = "lineno" > 157< / span >   ComputeUpdatesColumnWise();< / div >
< div class = "line" > < a name = "l00158" > < / a > < span class = "lineno" > 158< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (algorithm == < span class = "stringliteral" > " row" < / span > ) {< / div >
< div class = "line" > < a name = "l00159" > < / a > < span class = "lineno" > 159< / span >   ComputeUpdatesRowWise();< / div >
< div class = "line" > < a name = "l00160" > < / a > < span class = "lineno" > 160< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (algorithm == < span class = "stringliteral" > " row_hypersparse" < / span > ) {< / div >
< div class = "line" > < a name = "l00161" > < / a > < span class = "lineno" > 161< / span >   ComputeUpdatesRowWiseHypersparse();< / div >
< div class = "line" > < a name = "l00162" > < / a > < span class = "lineno" > 162< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00163" > < / a > < span class = "lineno" > 163< / span >   LOG(DFATAL) < < < span class = "stringliteral" > " Unknown algorithm in ComputeUpdateRowForBenchmark(): ' " < / span > < / div >
< div class = "line" > < a name = "l00164" > < / a > < span class = "lineno" > 164< / span >   < < algorithm < < < span class = "stringliteral" > " ' " < / span > ;< / div >
< div class = "line" > < a name = "l00165" > < / a > < span class = "lineno" > 165< / span >   }< / div >
< div class = "line" > < a name = "l00166" > < / a > < span class = "lineno" > 166< / span >   }< / div >
< div class = "line" > < a name = "l00167" > < / a > < span class = "lineno" > 167< / span >   < / div >
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< div class = "line" > < a name = "l00168" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_update_row.html#a30fddb9e35865ba28420bd52538a183f" > 168< / a > < / span >   < span class = "keyword" > const< / span > < a class = "code" href = "classoperations__research_1_1glop_1_1_strict_i_t_i_vector.html" > DenseRow< / a > & < a class = "code" href = "classoperations__research_1_1glop_1_1_update_row.html#a30fddb9e35865ba28420bd52538a183f" > UpdateRow::GetCoefficients< / a > ()< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > coefficient_; }< / div >
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< div class = "line" > < a name = "l00169" > < / a > < span class = "lineno" > 169< / span >   < / div >
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< div class = "line" > < a name = "l00170" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_update_row.html#af8e957f1c8389089554ded7bd2b7b45f" > 170< / a > < / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research_1_1glop.html#a2b83a25cb4fd203c57a7155699fab246" > ColIndexVector< / a > & < a class = "code" href = "classoperations__research_1_1glop_1_1_update_row.html#af8e957f1c8389089554ded7bd2b7b45f" > UpdateRow::GetNonZeroPositions< / a > ()< span class = "keyword" > const < / span > {< / div >
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< div class = "line" > < a name = "l00171" > < / a > < span class = "lineno" > 171< / span >   < span class = "keywordflow" > return< / span > non_zero_position_list_;< / div >
< div class = "line" > < a name = "l00172" > < / a > < span class = "lineno" > 172< / span >   }< / div >
< div class = "line" > < a name = "l00173" > < / a > < span class = "lineno" > 173< / span >   < / div >
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< div class = "line" > < a name = "l00174" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_update_row.html#ae7202d055b6b172a8a1da4f5b136f9ea" > 174< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "classoperations__research_1_1glop_1_1_update_row.html#ae7202d055b6b172a8a1da4f5b136f9ea" > UpdateRow::SetParameters< / a > (< span class = "keyword" > const< / span > GlopParameters& < a class = "code" href = "cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219" > parameters< / a > ) {< / div >
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< div class = "line" > < a name = "l00175" > < / a > < span class = "lineno" > 175< / span >   parameters_ = < a class = "code" href = "cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219" > parameters< / a > ;< / div >
< div class = "line" > < a name = "l00176" > < / a > < span class = "lineno" > 176< / span >   }< / div >
< div class = "line" > < a name = "l00177" > < / a > < span class = "lineno" > 177< / span >   < / div >
< div class = "line" > < a name = "l00178" > < / a > < span class = "lineno" > 178< / span >   < span class = "comment" > // This is optimized for the case when the total number of entries is about< / span > < / div >
< div class = "line" > < a name = "l00179" > < / a > < span class = "lineno" > 179< / span >   < span class = "comment" > // the same as, or greater than, the number of columns.< / span > < / div >
< div class = "line" > < a name = "l00180" > < / a > < span class = "lineno" > 180< / span >   < span class = "keywordtype" > void< / span > UpdateRow::ComputeUpdatesRowWise() {< / div >
< div class = "line" > < a name = "l00181" > < / a > < span class = "lineno" > 181< / span >   < a class = "code" href = "stats_8h.html#a9995704aaaf45fc21e08c847551a8d04" > SCOPED_TIME_STAT< / a > (& stats_);< / div >
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< div class = "line" > < a name = "l00182" > < / a > < span class = "lineno" > 182< / span >   < span class = "keyword" > const< / span > ColIndex num_cols = matrix_.< a class = "code" href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#a41741829541d089f1c4d34f190884813" > num_cols< / a > ();< / div >
< div class = "line" > < a name = "l00183" > < / a > < span class = "lineno" > 183< / span >   coefficient_.< a class = "code" href = "classoperations__research_1_1glop_1_1_strict_i_t_i_vector.html#a3de922485ca2c30f3e07d959dd97cdd0" > AssignToZero< / a > (num_cols);< / div >
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< div class = "line" > < a name = "l00184" > < / a > < span class = "lineno" > 184< / span >   < span class = "keywordflow" > for< / span > (ColIndex < a class = "code" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > : unit_row_left_inverse_filtered_non_zeros_) {< / div >
< div class = "line" > < a name = "l00185" > < / a > < span class = "lineno" > 185< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > Fractional< / a > multiplier = unit_row_left_inverse_[< a class = "code" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > ];< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00186" > < / a > < span class = "lineno" > 186< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > EntryIndex i : transposed_matrix_.< a class = "code" href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#a60771349d1fcf262313b13a6a857c140" > Column< / a > (< a class = "code" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > )) {< / div >
< div class = "line" > < a name = "l00187" > < / a > < span class = "lineno" > 187< / span >   < span class = "keyword" > const< / span > ColIndex pos = < a class = "code" href = "namespaceoperations__research_1_1glop.html#a8fbc9efd86a3cc862a9079d86ab8b524" > RowToColIndex< / a > (transposed_matrix_.< a class = "code" href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#aedc46de5199e203b77de2eae2e4c100d" > EntryRow< / a > (i));< / div >
< div class = "line" > < a name = "l00188" > < / a > < span class = "lineno" > 188< / span >   coefficient_[pos] += multiplier * transposed_matrix_.< a class = "code" href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#aaef7fc778a29bb3bb3040c0423937f6e" > EntryCoefficient< / a > (i);< / div >
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< div class = "line" > < a name = "l00189" > < / a > < span class = "lineno" > 189< / span >   }< / div >
< div class = "line" > < a name = "l00190" > < / a > < span class = "lineno" > 190< / span >   }< / div >
< div class = "line" > < a name = "l00191" > < / a > < span class = "lineno" > 191< / span >   < / div >
< div class = "line" > < a name = "l00192" > < / a > < span class = "lineno" > 192< / span >   non_zero_position_list_.clear();< / div >
< div class = "line" > < a name = "l00193" > < / a > < span class = "lineno" > 193< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > Fractional< / a > drop_tolerance = parameters_.drop_tolerance();< / div >
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< div class = "line" > < a name = "l00194" > < / a > < span class = "lineno" > 194< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > ColIndex < a class = "code" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > : variables_info_.< a class = "code" href = "classoperations__research_1_1glop_1_1_variables_info.html#ac4385751c629a96a6d1ef5ac70af45e1" > GetIsRelevantBitRow< / a > ()) {< / div >
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< div class = "line" > < a name = "l00195" > < / a > < span class = "lineno" > 195< / span >   < span class = "keywordflow" > if< / span > (std::abs(coefficient_[< a class = "code" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > ]) > drop_tolerance) {< / div >
< div class = "line" > < a name = "l00196" > < / a > < span class = "lineno" > 196< / span >   non_zero_position_list_.push_back(< a class = "code" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > );< / div >
< div class = "line" > < a name = "l00197" > < / a > < span class = "lineno" > 197< / span >   }< / div >
< div class = "line" > < a name = "l00198" > < / a > < span class = "lineno" > 198< / span >   }< / div >
< div class = "line" > < a name = "l00199" > < / a > < span class = "lineno" > 199< / span >   }< / div >
< div class = "line" > < a name = "l00200" > < / a > < span class = "lineno" > 200< / span >   < / div >
< div class = "line" > < a name = "l00201" > < / a > < span class = "lineno" > 201< / span >   < span class = "comment" > // This is optimized for the case when the total number of entries is smaller< / span > < / div >
< div class = "line" > < a name = "l00202" > < / a > < span class = "lineno" > 202< / span >   < span class = "comment" > // than the number of columns.< / span > < / div >
< div class = "line" > < a name = "l00203" > < / a > < span class = "lineno" > 203< / span >   < span class = "keywordtype" > void< / span > UpdateRow::ComputeUpdatesRowWiseHypersparse() {< / div >
< div class = "line" > < a name = "l00204" > < / a > < span class = "lineno" > 204< / span >   < a class = "code" href = "stats_8h.html#a9995704aaaf45fc21e08c847551a8d04" > SCOPED_TIME_STAT< / a > (& stats_);< / div >
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< div class = "line" > < a name = "l00205" > < / a > < span class = "lineno" > 205< / span >   < span class = "keyword" > const< / span > ColIndex num_cols = matrix_.< a class = "code" href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#a41741829541d089f1c4d34f190884813" > num_cols< / a > ();< / div >
< div class = "line" > < a name = "l00206" > < / a > < span class = "lineno" > 206< / span >   non_zero_position_set_.< a class = "code" href = "classoperations__research_1_1_bitset64.html#a039b0192ce008be5451bc87ca5eea65c" > ClearAndResize< / a > (num_cols);< / div >
< div class = "line" > < a name = "l00207" > < / a > < span class = "lineno" > 207< / span >   coefficient_.< a class = "code" href = "classoperations__research_1_1glop_1_1_strict_i_t_i_vector.html#a64b6b04f3a519d2c61d49daaa88bf06e" > resize< / a > (num_cols, 0.0);< / div >
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< div class = "line" > < a name = "l00208" > < / a > < span class = "lineno" > 208< / span >   < span class = "keywordflow" > for< / span > (ColIndex < a class = "code" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > : unit_row_left_inverse_filtered_non_zeros_) {< / div >
< div class = "line" > < a name = "l00209" > < / a > < span class = "lineno" > 209< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > Fractional< / a > multiplier = unit_row_left_inverse_[< a class = "code" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > ];< / div >
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< div class = "line" > < a name = "l00210" > < / a > < span class = "lineno" > 210< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > EntryIndex i : transposed_matrix_.< a class = "code" href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#a60771349d1fcf262313b13a6a857c140" > Column< / a > (< a class = "code" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > )) {< / div >
< div class = "line" > < a name = "l00211" > < / a > < span class = "lineno" > 211< / span >   < span class = "keyword" > const< / span > ColIndex pos = < a class = "code" href = "namespaceoperations__research_1_1glop.html#a8fbc9efd86a3cc862a9079d86ab8b524" > RowToColIndex< / a > (transposed_matrix_.< a class = "code" href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#aedc46de5199e203b77de2eae2e4c100d" > EntryRow< / a > (i));< / div >
< div class = "line" > < a name = "l00212" > < / a > < span class = "lineno" > 212< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > Fractional< / a > v = multiplier * transposed_matrix_.< a class = "code" href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#aaef7fc778a29bb3bb3040c0423937f6e" > EntryCoefficient< / a > (i);< / div >
< div class = "line" > < a name = "l00213" > < / a > < span class = "lineno" > 213< / span >   < span class = "keywordflow" > if< / span > (!non_zero_position_set_.< a class = "code" href = "classoperations__research_1_1_bitset64.html#aa454a4099ee887726b8f5b4a8ed1a81d" > IsSet< / a > (pos)) {< / div >
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< div class = "line" > < a name = "l00214" > < / a > < span class = "lineno" > 214< / span >   < span class = "comment" > // Note that we could create the non_zero_position_list_ here, but we< / span > < / div >
< div class = "line" > < a name = "l00215" > < / a > < span class = "lineno" > 215< / span >   < span class = "comment" > // prefer to keep the non-zero positions sorted, so using the bitset is< / span > < / div >
< div class = "line" > < a name = "l00216" > < / a > < span class = "lineno" > 216< / span >   < span class = "comment" > // a good alernative. Of course if the solution is really really sparse,< / span > < / div >
< div class = "line" > < a name = "l00217" > < / a > < span class = "lineno" > 217< / span >   < span class = "comment" > // then sorting non_zero_position_list_ will be faster.< / span > < / div >
< div class = "line" > < a name = "l00218" > < / a > < span class = "lineno" > 218< / span >   coefficient_[pos] = v;< / div >
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< div class = "line" > < a name = "l00219" > < / a > < span class = "lineno" > 219< / span >   non_zero_position_set_.< a class = "code" href = "classoperations__research_1_1_bitset64.html#a76e58f3dd327215d28ea8c48f8c86009" > Set< / a > (pos);< / div >
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< div class = "line" > < a name = "l00220" > < / a > < span class = "lineno" > 220< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00221" > < / a > < span class = "lineno" > 221< / span >   coefficient_[pos] += v;< / div >
< div class = "line" > < a name = "l00222" > < / a > < span class = "lineno" > 222< / span >   }< / div >
< div class = "line" > < a name = "l00223" > < / a > < span class = "lineno" > 223< / span >   }< / div >
< div class = "line" > < a name = "l00224" > < / a > < span class = "lineno" > 224< / span >   }< / div >
< div class = "line" > < a name = "l00225" > < / a > < span class = "lineno" > 225< / span >   < / div >
< div class = "line" > < a name = "l00226" > < / a > < span class = "lineno" > 226< / span >   < span class = "comment" > // Only keep in non_zero_position_set_ the relevant positions.< / span > < / div >
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< div class = "line" > < a name = "l00227" > < / a > < span class = "lineno" > 227< / span >   non_zero_position_set_.< a class = "code" href = "classoperations__research_1_1_bitset64.html#a85894bdc427b871f2140cc0fb1967aa5" > Intersection< / a > (variables_info_.< a class = "code" href = "classoperations__research_1_1glop_1_1_variables_info.html#ac4385751c629a96a6d1ef5ac70af45e1" > GetIsRelevantBitRow< / a > ());< / div >
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< div class = "line" > < a name = "l00228" > < / a > < span class = "lineno" > 228< / span >   non_zero_position_list_.clear();< / div >
< div class = "line" > < a name = "l00229" > < / a > < span class = "lineno" > 229< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > Fractional< / a > drop_tolerance = parameters_.drop_tolerance();< / div >
< div class = "line" > < a name = "l00230" > < / a > < span class = "lineno" > 230< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > ColIndex < a class = "code" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > : non_zero_position_set_) {< / div >
< div class = "line" > < a name = "l00231" > < / a > < span class = "lineno" > 231< / span >   < span class = "comment" > // TODO(user): Since the solution is really sparse, maybe storing the< / span > < / div >
< div class = "line" > < a name = "l00232" > < / a > < span class = "lineno" > 232< / span >   < span class = "comment" > // non-zero coefficients contiguously in a vector is better than keeping< / span > < / div >
< div class = "line" > < a name = "l00233" > < / a > < span class = "lineno" > 233< / span >   < span class = "comment" > // them as they are. Note however that we will iterate only twice on the< / span > < / div >
< div class = "line" > < a name = "l00234" > < / a > < span class = "lineno" > 234< / span >   < span class = "comment" > // update row coefficients during an iteration.< / span > < / div >
< div class = "line" > < a name = "l00235" > < / a > < span class = "lineno" > 235< / span >   < span class = "keywordflow" > if< / span > (std::abs(coefficient_[< a class = "code" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > ]) > drop_tolerance) {< / div >
< div class = "line" > < a name = "l00236" > < / a > < span class = "lineno" > 236< / span >   non_zero_position_list_.push_back(< a class = "code" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > );< / div >
< div class = "line" > < a name = "l00237" > < / a > < span class = "lineno" > 237< / span >   }< / div >
< div class = "line" > < a name = "l00238" > < / a > < span class = "lineno" > 238< / span >   }< / div >
< div class = "line" > < a name = "l00239" > < / a > < span class = "lineno" > 239< / span >   }< / div >
< div class = "line" > < a name = "l00240" > < / a > < span class = "lineno" > 240< / span >   < / div >
< div class = "line" > < a name = "l00241" > < / a > < span class = "lineno" > 241< / span >   < span class = "comment" > // Note that we use the same algo as ComputeUpdatesColumnWise() here. The< / span > < / div >
< div class = "line" > < a name = "l00242" > < / a > < span class = "lineno" > 242< / span >   < span class = "comment" > // others version might be faster, but this is called only once per solve, so< / span > < / div >
< div class = "line" > < a name = "l00243" > < / a > < span class = "lineno" > 243< / span >   < span class = "comment" > // it shouldn' t be too bad.< / span > < / div >
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< div class = "line" > < a name = "l00244" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_update_row.html#a7b39f45e976b642dac5b652e0a455e8f" > 244< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "classoperations__research_1_1glop_1_1_update_row.html#a7b39f45e976b642dac5b652e0a455e8f" > UpdateRow::RecomputeFullUpdateRow< / a > (RowIndex leaving_row) {< / div >
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< div class = "line" > < a name = "l00245" > < / a > < span class = "lineno" > 245< / span >   CHECK(!compute_update_row_);< / div >
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< div class = "line" > < a name = "l00246" > < / a > < span class = "lineno" > 246< / span >   < span class = "keyword" > const< / span > ColIndex num_cols = matrix_.< a class = "code" href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#a41741829541d089f1c4d34f190884813" > num_cols< / a > ();< / div >
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< div class = "line" > < a name = "l00247" > < / a > < span class = "lineno" > 247< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > Fractional< / a > drop_tolerance = parameters_.drop_tolerance();< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00248" > < / a > < span class = "lineno" > 248< / span >   coefficient_.< a class = "code" href = "classoperations__research_1_1glop_1_1_strict_i_t_i_vector.html#a64b6b04f3a519d2c61d49daaa88bf06e" > resize< / a > (num_cols, 0.0);< / div >
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< div class = "line" > < a name = "l00249" > < / a > < span class = "lineno" > 249< / span >   non_zero_position_list_.clear();< / div >
< div class = "line" > < a name = "l00250" > < / a > < span class = "lineno" > 250< / span >   < / div >
< div class = "line" > < a name = "l00251" > < / a > < span class = "lineno" > 251< / span >   < span class = "comment" > // Fills the only position at one in the basic columns.< / span > < / div >
< div class = "line" > < a name = "l00252" > < / a > < span class = "lineno" > 252< / span >   coefficient_[basis_[leaving_row]] = 1.0;< / div >
< div class = "line" > < a name = "l00253" > < / a > < span class = "lineno" > 253< / span >   non_zero_position_list_.push_back(basis_[leaving_row]);< / div >
< div class = "line" > < a name = "l00254" > < / a > < span class = "lineno" > 254< / span >   < / div >
< div class = "line" > < a name = "l00255" > < / a > < span class = "lineno" > 255< / span >   < span class = "comment" > // Fills the non-basic column.< / span > < / div >
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< div class = "line" > < a name = "l00256" > < / a > < span class = "lineno" > 256< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > ColIndex < a class = "code" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > : variables_info_.< a class = "code" href = "classoperations__research_1_1glop_1_1_variables_info.html#a8e726c118c4449d9d3c5761e2853661a" > GetNotBasicBitRow< / a > ()) {< / div >
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< div class = "line" > < a name = "l00257" > < / a > < span class = "lineno" > 257< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > Fractional< / a > coeff =< / div >
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< div class = "line" > < a name = "l00258" > < / a > < span class = "lineno" > 258< / span >   matrix_.< a class = "code" href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#abdd940ad64b555052b33e763b80aea26" > ColumnScalarProduct< / a > (< a class = "code" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > , unit_row_left_inverse_.< a class = "code" href = "structoperations__research_1_1glop_1_1_scattered_vector.html#ae0473e18a367af671dc3f08063c80da4" > values< / a > );< / div >
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< div class = "line" > < a name = "l00259" > < / a > < span class = "lineno" > 259< / span >   < span class = "keywordflow" > if< / span > (std::abs(coeff) > drop_tolerance) {< / div >
< div class = "line" > < a name = "l00260" > < / a > < span class = "lineno" > 260< / span >   non_zero_position_list_.push_back(< a class = "code" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > );< / div >
< div class = "line" > < a name = "l00261" > < / a > < span class = "lineno" > 261< / span >   coefficient_[< a class = "code" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > ] = coeff;< / div >
< div class = "line" > < a name = "l00262" > < / a > < span class = "lineno" > 262< / span >   }< / div >
< div class = "line" > < a name = "l00263" > < / a > < span class = "lineno" > 263< / span >   }< / div >
< div class = "line" > < a name = "l00264" > < / a > < span class = "lineno" > 264< / span >   }< / div >
< div class = "line" > < a name = "l00265" > < / a > < span class = "lineno" > 265< / span >   < / div >
< div class = "line" > < a name = "l00266" > < / a > < span class = "lineno" > 266< / span >   < span class = "keywordtype" > void< / span > UpdateRow::ComputeUpdatesColumnWise() {< / div >
< div class = "line" > < a name = "l00267" > < / a > < span class = "lineno" > 267< / span >   < a class = "code" href = "stats_8h.html#a9995704aaaf45fc21e08c847551a8d04" > SCOPED_TIME_STAT< / a > (& stats_);< / div >
< div class = "line" > < a name = "l00268" > < / a > < span class = "lineno" > 268< / span >   < / div >
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< div class = "line" > < a name = "l00269" > < / a > < span class = "lineno" > 269< / span >   < span class = "keyword" > const< / span > ColIndex num_cols = matrix_.< a class = "code" href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#a41741829541d089f1c4d34f190884813" > num_cols< / a > ();< / div >
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< div class = "line" > < a name = "l00270" > < / a > < span class = "lineno" > 270< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > Fractional< / a > drop_tolerance = parameters_.drop_tolerance();< / div >
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< div class = "line" > < a name = "l00271" > < / a > < span class = "lineno" > 271< / span >   coefficient_.< a class = "code" href = "classoperations__research_1_1glop_1_1_strict_i_t_i_vector.html#a64b6b04f3a519d2c61d49daaa88bf06e" > resize< / a > (num_cols, 0.0);< / div >
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< div class = "line" > < a name = "l00272" > < / a > < span class = "lineno" > 272< / span >   non_zero_position_list_.clear();< / div >
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< div class = "line" > < a name = "l00273" > < / a > < span class = "lineno" > 273< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > ColIndex < a class = "code" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > : variables_info_.< a class = "code" href = "classoperations__research_1_1glop_1_1_variables_info.html#ac4385751c629a96a6d1ef5ac70af45e1" > GetIsRelevantBitRow< / a > ()) {< / div >
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< div class = "line" > < a name = "l00274" > < / a > < span class = "lineno" > 274< / span >   < span class = "comment" > // Coefficient of the column right inverse on the ' leaving_row' .< / span > < / div >
< div class = "line" > < a name = "l00275" > < / a > < span class = "lineno" > 275< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > Fractional< / a > coeff =< / div >
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< div class = "line" > < a name = "l00276" > < / a > < span class = "lineno" > 276< / span >   matrix_.< a class = "code" href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#abdd940ad64b555052b33e763b80aea26" > ColumnScalarProduct< / a > (< a class = "code" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > , unit_row_left_inverse_.< a class = "code" href = "structoperations__research_1_1glop_1_1_scattered_vector.html#ae0473e18a367af671dc3f08063c80da4" > values< / a > );< / div >
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< div class = "line" > < a name = "l00277" > < / a > < span class = "lineno" > 277< / span >   < span class = "comment" > // Nothing to do if ' coeff' is (almost) zero which does happen due to< / span > < / div >
< div class = "line" > < a name = "l00278" > < / a > < span class = "lineno" > 278< / span >   < span class = "comment" > // sparsity. Note that it shouldn' t be too bad to use a non-zero drop< / span > < / div >
< div class = "line" > < a name = "l00279" > < / a > < span class = "lineno" > 279< / span >   < span class = "comment" > // tolerance here because even if we introduce some precision issues, the< / span > < / div >
< div class = "line" > < a name = "l00280" > < / a > < span class = "lineno" > 280< / span >   < span class = "comment" > // quantities updated by this update row will eventually be recomputed.< / span > < / div >
< div class = "line" > < a name = "l00281" > < / a > < span class = "lineno" > 281< / span >   < span class = "keywordflow" > if< / span > (std::abs(coeff) > drop_tolerance) {< / div >
< div class = "line" > < a name = "l00282" > < / a > < span class = "lineno" > 282< / span >   non_zero_position_list_.push_back(< a class = "code" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > );< / div >
< div class = "line" > < a name = "l00283" > < / a > < span class = "lineno" > 283< / span >   coefficient_[< a class = "code" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > ] = coeff;< / div >
< div class = "line" > < a name = "l00284" > < / a > < span class = "lineno" > 284< / span >   }< / div >
< div class = "line" > < a name = "l00285" > < / a > < span class = "lineno" > 285< / span >   }< / div >
< div class = "line" > < a name = "l00286" > < / a > < span class = "lineno" > 286< / span >   }< / div >
< div class = "line" > < a name = "l00287" > < / a > < span class = "lineno" > 287< / span >   < / div >
< div class = "line" > < a name = "l00288" > < / a > < span class = "lineno" > 288< / span >   } < span class = "comment" > // namespace glop< / span > < / div >
< div class = "line" > < a name = "l00289" > < / a > < span class = "lineno" > 289< / span >   } < span class = "comment" > // namespace operations_research< / span > < / div >
< / div > <!-- fragment --> < / div > <!-- contents -->
< / div > <!-- doc - content -->
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< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_compact_sparse_matrix_html" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html" > operations_research::glop::CompactSparseMatrix< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sparse_8h_source.html#l00288" > sparse.h:288< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_strict_i_t_i_vector_html_a64b6b04f3a519d2c61d49daaa88bf06e" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_strict_i_t_i_vector.html#a64b6b04f3a519d2c61d49daaa88bf06e" > operations_research::glop::StrictITIVector::resize< / a > < / div > < div class = "ttdeci" > void resize(IntType size)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "lp__types_8h_source.html#l00269" > lp_types.h:269< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_bitset64_html_aa454a4099ee887726b8f5b4a8ed1a81d" > < div class = "ttname" > < a href = "classoperations__research_1_1_bitset64.html#aa454a4099ee887726b8f5b4a8ed1a81d" > operations_research::Bitset64::IsSet< / a > < / div > < div class = "ttdeci" > bool IsSet(IndexType i) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "bitset_8h_source.html#l00483" > bitset.h:483< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_variables_info_html_a8e726c118c4449d9d3c5761e2853661a" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_variables_info.html#a8e726c118c4449d9d3c5761e2853661a" > operations_research::glop::VariablesInfo::GetNotBasicBitRow< / a > < / div > < div class = "ttdeci" > const DenseBitRow & GetNotBasicBitRow() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "variables__info_8cc_source.html#l00119" > variables_info.cc:119< / a > < / div > < / div >
< div class = "ttc" id = "astats_8h_html_a3c3e6b102f0d91c523099325c98e1887" > < div class = "ttname" > < a href = "stats_8h.html#a3c3e6b102f0d91c523099325c98e1887" > IF_STATS_ENABLED< / a > < / div > < div class = "ttdeci" > #define IF_STATS_ENABLED(instructions)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "stats_8h_source.html#l00435" > stats.h:435< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_update_row_html_a985c788192edce2013ad59d4f0c934cf" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_update_row.html#a985c788192edce2013ad59d4f0c934cf" > operations_research::glop::UpdateRow::IgnoreUpdatePosition< / a > < / div > < div class = "ttdeci" > void IgnoreUpdatePosition(ColIndex col)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "update__row_8cc_source.html#l00045" > update_row.cc:45< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1glop_1_1_scattered_vector_html_ac146d47daa294f7e6546c7569c9c881b" > < div class = "ttname" > < a href = "structoperations__research_1_1glop_1_1_scattered_vector.html#ac146d47daa294f7e6546c7569c9c881b" > operations_research::glop::ScatteredVector::non_zeros< / a > < / div > < div class = "ttdeci" > std::vector< Index > non_zeros< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "scattered__vector_8h_source.html#l00063" > scattered_vector.h:63< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_compact_sparse_matrix_html_a960110e64357a3e69162ebf1f71959dd" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#a960110e64357a3e69162ebf1f71959dd" > operations_research::glop::CompactSparseMatrix::num_rows< / a > < / div > < div class = "ttdeci" > RowIndex num_rows() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sparse_8h_source.html#l00344" > sparse.h:344< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_compact_sparse_matrix_html_aaef7fc778a29bb3bb3040c0423937f6e" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#aaef7fc778a29bb3bb3040c0423937f6e" > operations_research::glop::CompactSparseMatrix::EntryCoefficient< / a > < / div > < div class = "ttdeci" > Fractional EntryCoefficient(EntryIndex i) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sparse_8h_source.html#l00361" > sparse.h:361< / a > < / div > < / div >
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< div class = "ttc" id = "alp__data_2lp__utils_8h_html" > < div class = "ttname" > < a href = "lp__data_2lp__utils_8h.html" > lp_utils.h< / a > < / div > < / div >
2020-10-09 12:00:09 +02:00
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_strict_i_t_i_vector_html_a967a5c081ad4195a30c78dc2c0bcabf5" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_strict_i_t_i_vector.html#a967a5c081ad4195a30c78dc2c0bcabf5" > operations_research::glop::StrictITIVector::size< / a > < / div > < div class = "ttdeci" > IntType size() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "lp__types_8h_source.html#l00276" > lp_types.h:276< / a > < / div > < / div >
2020-09-02 09:42:51 +02:00
< div class = "ttc" id = "anamespaceoperations__research_html" > < div class = "ttname" > < a href = "namespaceoperations__research.html" > operations_research< / a > < / div > < div class = "ttdoc" > The vehicle routing library lets one model and solve generic vehicle routing problems ranging from th...< / 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 >
2020-10-09 12:00:09 +02:00
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_compact_sparse_matrix_html_a41741829541d089f1c4d34f190884813" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#a41741829541d089f1c4d34f190884813" > operations_research::glop::CompactSparseMatrix::num_cols< / a > < / div > < div class = "ttdeci" > ColIndex num_cols() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sparse_8h_source.html#l00345" > sparse.h:345< / a > < / div > < / div >
2020-09-02 09:42:51 +02:00
< div class = "ttc" id = "anamespaceoperations__research_1_1glop_html_a3e037ab543673629f84850a85c761132" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1glop.html#a3e037ab543673629f84850a85c761132" > operations_research::glop::ComputeNonZeros< / a > < / div > < div class = "ttdeci" > void ComputeNonZeros(const StrictITIVector< IndexType, Fractional > & input, std::vector< IndexType > *non_zeros)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "lp__data_2lp__utils_8h_source.html#l00209" > lp_data/lp_utils.h:209< / a > < / div > < / div >
2020-10-09 12:00:09 +02:00
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_update_row_html_ab9adfea0e765ab447b8ce7730a6cd812" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_update_row.html#ab9adfea0e765ab447b8ce7730a6cd812" > operations_research::glop::UpdateRow::Invalidate< / a > < / div > < div class = "ttdeci" > void Invalidate()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "update__row_8cc_source.html#l00040" > update_row.cc:40< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_variables_info_html_a403cb41e08b5ffb338d004c85ca0853a" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_variables_info.html#a403cb41e08b5ffb338d004c85ca0853a" > operations_research::glop::VariablesInfo::GetNumEntriesInRelevantColumns< / a > < / div > < div class = "ttdeci" > EntryIndex GetNumEntriesInRelevantColumns() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "variables__info_8cc_source.html#l00127" > variables_info.cc:127< / a > < / div > < / div >
2020-09-02 09:42:51 +02:00
< div class = "ttc" id = "anamespaceoperations__research_1_1glop_html_a733947145e3e1631165b618b05c9ccb7" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > operations_research::glop::Fractional< / a > < / div > < div class = "ttdeci" > double Fractional< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "lp__types_8h_source.html#l00077" > lp_types.h:77< / a > < / div > < / div >
2020-10-09 12:00:09 +02:00
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_update_row_html_a7b39f45e976b642dac5b652e0a455e8f" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_update_row.html#a7b39f45e976b642dac5b652e0a455e8f" > operations_research::glop::UpdateRow::RecomputeFullUpdateRow< / a > < / div > < div class = "ttdeci" > void RecomputeFullUpdateRow(RowIndex leaving_row)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "update__row_8cc_source.html#l00244" > update_row.cc:244< / a > < / div > < / div >
2020-09-02 09:42:51 +02:00
< div class = "ttc" id = "anamespaceoperations__research_1_1glop_html_a6b36bbbcd695191600dab9b88487ff18" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1glop.html#a6b36bbbcd695191600dab9b88487ff18" > operations_research::glop::Density< / a > < / div > < div class = "ttdeci" > double Density(const DenseRow & row)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "lp__data_2lp__utils_8cc_source.html#l00106" > lp_data/lp_utils.cc:106< / a > < / div > < / div >
2020-10-09 12:00:09 +02:00
< div class = "ttc" id = "astats_8h_html_a9995704aaaf45fc21e08c847551a8d04" > < div class = "ttname" > < a href = "stats_8h.html#a9995704aaaf45fc21e08c847551a8d04" > SCOPED_TIME_STAT< / a > < / div > < div class = "ttdeci" > #define SCOPED_TIME_STAT(stats)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "stats_8h_source.html#l00436" > stats.h:436< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_basis_factorization_html_a41b0509864e6eb62f0415975a914ba4b" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_basis_factorization.html#a41b0509864e6eb62f0415975a914ba4b" > operations_research::glop::BasisFactorization::LeftSolveForUnitRow< / a > < / div > < div class = "ttdeci" > void LeftSolveForUnitRow(ColIndex j, ScatteredRow *y) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "basis__representation_8cc_source.html#l00364" > basis_representation.cc:364< / a > < / div > < / div >
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< div class = "ttc" id = "anamespaceoperations__research_1_1glop_html_a8fbc9efd86a3cc862a9079d86ab8b524" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1glop.html#a8fbc9efd86a3cc862a9079d86ab8b524" > operations_research::glop::RowToColIndex< / a > < / div > < div class = "ttdeci" > ColIndex RowToColIndex(RowIndex row)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "lp__types_8h_source.html#l00048" > lp_types.h:48< / a > < / div > < / div >
2020-10-09 12:00:09 +02:00
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_compact_sparse_matrix_html_aedc46de5199e203b77de2eae2e4c100d" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#aedc46de5199e203b77de2eae2e4c100d" > operations_research::glop::CompactSparseMatrix::EntryRow< / a > < / div > < div class = "ttdeci" > RowIndex EntryRow(EntryIndex i) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sparse_8h_source.html#l00362" > sparse.h:362< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_update_row_html_ac9f13d2561598d3a04b409dd7b4e1f0c" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_update_row.html#ac9f13d2561598d3a04b409dd7b4e1f0c" > operations_research::glop::UpdateRow::ComputeUpdateRow< / a > < / div > < div class = "ttdeci" > void ComputeUpdateRow(RowIndex leaving_row)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "update__row_8cc_source.html#l00078" > update_row.cc:78< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_basis_factorization_html" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_basis_factorization.html" > operations_research::glop::BasisFactorization< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "basis__representation_8h_source.html#l00151" > basis_representation.h:151< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_strict_i_t_i_vector_html" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_strict_i_t_i_vector.html" > operations_research::glop::StrictITIVector< RowIndex, ColIndex > < / a > < / div > < / div >
2020-09-02 09:42:51 +02:00
< div class = "ttc" id = "anamespaceoperations__research_1_1glop_html_a2b83a25cb4fd203c57a7155699fab246" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1glop.html#a2b83a25cb4fd203c57a7155699fab246" > operations_research::glop::ColIndexVector< / a > < / div > < div class = "ttdeci" > std::vector< ColIndex > ColIndexVector< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "lp__types_8h_source.html#l00308" > lp_types.h:308< / a > < / div > < / div >
2020-10-09 12:00:09 +02:00
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_update_row_html_ae7202d055b6b172a8a1da4f5b136f9ea" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_update_row.html#ae7202d055b6b172a8a1da4f5b136f9ea" > operations_research::glop::UpdateRow::SetParameters< / a > < / div > < div class = "ttdeci" > void SetParameters(const GlopParameters & parameters)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "update__row_8cc_source.html#l00174" > update_row.cc:174< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1glop_1_1_scattered_row_html" > < div class = "ttname" > < a href = "structoperations__research_1_1glop_1_1_scattered_row.html" > operations_research::glop::ScatteredRow< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "scattered__vector_8h_source.html#l00193" > scattered_vector.h:193< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_strict_i_t_i_vector_html_a3de922485ca2c30f3e07d959dd97cdd0" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_strict_i_t_i_vector.html#a3de922485ca2c30f3e07d959dd97cdd0" > operations_research::glop::StrictITIVector::AssignToZero< / a > < / div > < div class = "ttdeci" > void AssignToZero(IntType size)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "lp__types_8h_source.html#l00290" > lp_types.h:290< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_update_row_html_a69f5823dcd3e25a2f39ddc339ad58679" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_update_row.html#a69f5823dcd3e25a2f39ddc339ad58679" > operations_research::glop::UpdateRow::UpdateRow< / a > < / div > < div class = "ttdeci" > UpdateRow(const CompactSparseMatrix & matrix, const CompactSparseMatrix & transposed_matrix, const VariablesInfo & variables_info, const RowToColMapping & basis, const BasisFactorization & basis_factorization)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "update__row_8cc_source.html#l00021" > update_row.cc:21< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_variables_info_html" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_variables_info.html" > operations_research::glop::VariablesInfo< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "variables__info_8h_source.html#l00029" > variables_info.h:29< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_compact_sparse_matrix_html_afe3d36f3ba4f04442fbb36f8726f8baf" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#afe3d36f3ba4f04442fbb36f8726f8baf" > operations_research::glop::CompactSparseMatrix::ColumnNumEntries< / a > < / div > < div class = "ttdeci" > EntryIndex ColumnNumEntries(ColIndex col) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sparse_8h_source.html#l00335" > sparse.h:335< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_update_row_html_a30fddb9e35865ba28420bd52538a183f" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_update_row.html#a30fddb9e35865ba28420bd52538a183f" > operations_research::glop::UpdateRow::GetCoefficients< / a > < / div > < div class = "ttdeci" > const DenseRow & GetCoefficients() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "update__row_8cc_source.html#l00168" > update_row.cc:168< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_variables_info_html_ac4385751c629a96a6d1ef5ac70af45e1" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_variables_info.html#ac4385751c629a96a6d1ef5ac70af45e1" > operations_research::glop::VariablesInfo::GetIsRelevantBitRow< / a > < / div > < div class = "ttdeci" > const DenseBitRow & GetIsRelevantBitRow() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "variables__info_8cc_source.html#l00113" > variables_info.cc:113< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_bitset64_html_a76e58f3dd327215d28ea8c48f8c86009" > < div class = "ttname" > < a href = "classoperations__research_1_1_bitset64.html#a76e58f3dd327215d28ea8c48f8c86009" > operations_research::Bitset64::Set< / a > < / div > < div class = "ttdeci" > void Set(IndexType i)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "bitset_8h_source.html#l00493" > bitset.h:493< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_update_row_html_a2355c817cae2bbd316f28aea2e842761" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_update_row.html#a2355c817cae2bbd316f28aea2e842761" > operations_research::glop::UpdateRow::ComputeAndGetUnitRowLeftInverse< / a > < / div > < div class = "ttdeci" > const ScatteredRow & ComputeAndGetUnitRowLeftInverse(RowIndex leaving_row)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "update__row_8cc_source.html#l00056" > update_row.cc:56< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_update_row_html_a0c3551dfd558be8edc0bd8d565cfca30" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_update_row.html#a0c3551dfd558be8edc0bd8d565cfca30" > operations_research::glop::UpdateRow::GetUnitRowLeftInverse< / a > < / div > < div class = "ttdeci" > const ScatteredRow & GetUnitRowLeftInverse() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "update__row_8cc_source.html#l00051" > update_row.cc:51< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_update_row_html_af8e957f1c8389089554ded7bd2b7b45f" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_update_row.html#af8e957f1c8389089554ded7bd2b7b45f" > operations_research::glop::UpdateRow::GetNonZeroPositions< / a > < / div > < div class = "ttdeci" > const ColIndexVector & GetNonZeroPositions() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "update__row_8cc_source.html#l00170" > update_row.cc:170< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_update_row_html_a3e7cad3b8c461fe473b1bd98b6a24156" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_update_row.html#a3e7cad3b8c461fe473b1bd98b6a24156" > operations_research::glop::UpdateRow::ComputeUpdateRowForBenchmark< / a > < / div > < div class = "ttdeci" > void ComputeUpdateRowForBenchmark(const DenseRow & lhs, const std::string & algorithm)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "update__row_8cc_source.html#l00152" > update_row.cc:152< / a > < / div > < / div >
2020-09-02 09:42:51 +02:00
< div class = "ttc" id = "amarkowitz_8cc_html_aa9d6c98fdf8d89b0e2321fda02adc82c" > < div class = "ttname" > < a href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > < / div > < div class = "ttdeci" > ColIndex col< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "markowitz_8cc_source.html#l00176" > markowitz.cc:176< / a > < / div > < / div >
2020-10-09 12:00:09 +02:00
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_compact_sparse_matrix_html_a60771349d1fcf262313b13a6a857c140" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#a60771349d1fcf262313b13a6a857c140" > operations_research::glop::CompactSparseMatrix::Column< / a > < / div > < div class = "ttdeci" > ::util::IntegerRange< EntryIndex > Column(ColIndex col) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sparse_8h_source.html#l00358" > sparse.h:358< / a > < / div > < / div >
2020-09-02 09:42:51 +02:00
< div class = "ttc" id = "aupdate__row_8h_html" > < div class = "ttname" > < a href = "update__row_8h.html" > update_row.h< / a > < / div > < / div >
2020-10-09 12:00:09 +02:00
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_compact_sparse_matrix_html_abdd940ad64b555052b33e763b80aea26" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#abdd940ad64b555052b33e763b80aea26" > operations_research::glop::CompactSparseMatrix::ColumnScalarProduct< / a > < / div > < div class = "ttdeci" > Fractional ColumnScalarProduct(ColIndex col, const DenseRow & vector) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sparse_8h_source.html#l00382" > sparse.h:382< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_bitset64_html_a85894bdc427b871f2140cc0fb1967aa5" > < div class = "ttname" > < a href = "classoperations__research_1_1_bitset64.html#a85894bdc427b871f2140cc0fb1967aa5" > operations_research::Bitset64::Intersection< / a > < / div > < div class = "ttdeci" > void Intersection(const Bitset64< IndexType > & other)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "bitset_8h_source.html#l00541" > bitset.h:541< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_bitset64_html_a039b0192ce008be5451bc87ca5eea65c" > < div class = "ttname" > < a href = "classoperations__research_1_1_bitset64.html#a039b0192ce008be5451bc87ca5eea65c" > operations_research::Bitset64::ClearAndResize< / a > < / div > < div class = "ttdeci" > void ClearAndResize(IndexType size)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "bitset_8h_source.html#l00438" > bitset.h:438< / a > < / div > < / div >
2020-09-02 09:42:51 +02:00
< div class = "ttc" id = "acp__model__fz__solver_8cc_html_a10a1eab179b472c030bdc2a2efef7219" > < div class = "ttname" > < a href = "cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219" > parameters< / a > < / div > < div class = "ttdeci" > SatParameters parameters< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "cp__model__fz__solver_8cc_source.html#l00107" > cp_model_fz_solver.cc:107< / a > < / div > < / div >
2020-10-09 12:00:09 +02:00
< div class = "ttc" id = "astructoperations__research_1_1glop_1_1_scattered_vector_html_ae0473e18a367af671dc3f08063c80da4" > < div class = "ttname" > < a href = "structoperations__research_1_1glop_1_1_scattered_vector.html#ae0473e18a367af671dc3f08063c80da4" > operations_research::glop::ScatteredVector::values< / a > < / div > < div class = "ttdeci" > StrictITIVector< Index, Fractional > values< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "scattered__vector_8h_source.html#l00058" > scattered_vector.h:58< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_basis_factorization_html_a781d7728c278ae44bf265cf222479b98" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_basis_factorization.html#a781d7728c278ae44bf265cf222479b98" > operations_research::glop::BasisFactorization::TemporaryLeftSolveForUnitRow< / a > < / div > < div class = "ttdeci" > void TemporaryLeftSolveForUnitRow(ColIndex j, ScatteredRow *y) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "basis__representation_8cc_source.html#l00415" > basis_representation.cc:415< / a > < / div > < / div >
2020-09-02 09:42:51 +02:00
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