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< a href = "rank__one__update_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 >
< div class = "line" > < a id = "l00013" name = "l00013" > < / a > < span class = "lineno" > 13< / span > < / div >
< div class = "line" > < a id = "l00014" name = "l00014" > < / a > < span class = "lineno" > 14< / span > < span class = "preprocessor" > #ifndef OR_TOOLS_GLOP_RANK_ONE_UPDATE_H_< / span > < / div >
< div class = "line" > < a id = "l00015" name = "l00015" > < / a > < span class = "lineno" > 15< / span > < span class = "preprocessor" > #define OR_TOOLS_GLOP_RANK_ONE_UPDATE_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 " < a class = "code" href = "base_2logging_8h.html" > ortools/base/logging.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00018" name = "l00018" > < / a > < span class = "lineno" > 18< / span > < span class = "preprocessor" > #include " < a class = "code" href = "lp__types_8h.html" > ortools/lp_data/lp_types.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00019" name = "l00019" > < / a > < span class = "lineno" > 19< / 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 id = "l00020" name = "l00020" > < / a > < span class = "lineno" > 20< / span > < span class = "preprocessor" > #include " < a class = "code" href = "scattered__vector_8h.html" > ortools/lp_data/scattered_vector.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00021" name = "l00021" > < / a > < span class = "lineno" > 21< / span > < span class = "preprocessor" > #include " < a class = "code" href = "sparse_8h.html" > ortools/lp_data/sparse.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00022" name = "l00022" > < / a > < span class = "lineno" > 22< / span > < / div >
< div class = "line" > < a id = "l00023" name = "l00023" > < / a > < span class = "lineno" > 23< / span > < span class = "keyword" > namespace < / span > < a class = "code hl_namespace" href = "namespaceoperations__research.html" > operations_research< / a > {< / div >
< div class = "line" > < a id = "l00024" name = "l00024" > < / a > < span class = "lineno" > 24< / span > < span class = "keyword" > namespace < / span > glop {< / div >
< div class = "line" > < a id = "l00025" name = "l00025" > < / a > < span class = "lineno" > 25< / span > < / div >
< div class = "line" > < a id = "l00026" name = "l00026" > < / a > < span class = "lineno" > 26< / span > < span class = "comment" > // This class holds a matrix of the form T = I + u.Tr(v) where I is the< / span > < / div >
< div class = "line" > < a id = "l00027" name = "l00027" > < / a > < span class = "lineno" > 27< / span > < span class = "comment" > // identity matrix and u and v are two column vectors of the same size as I. It< / span > < / div >
< div class = "line" > < a id = "l00028" name = "l00028" > < / a > < span class = "lineno" > 28< / span > < span class = "comment" > // allows for efficient left and right solves with T. When T is non-singular,< / span > < / div >
< div class = "line" > < a id = "l00029" name = "l00029" > < / a > < span class = "lineno" > 29< / span > < span class = "comment" > // it is easy to show that T^{-1} = I - 1 / mu * u.Tr(v) where< / span > < / div >
< div class = "line" > < a id = "l00030" name = "l00030" > < / a > < span class = "lineno" > 30< / span > < span class = "comment" > // mu = 1.0 + Tr(v).u< / span > < / div >
< div class = "line" > < a id = "l00031" name = "l00031" > < / a > < span class = "lineno" > 31< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00032" name = "l00032" > < / a > < span class = "lineno" > 32< / span > < span class = "comment" > // Note that when v is a unit vector, T is a regular Eta matrix and when u< / span > < / div >
< div class = "line" > < a id = "l00033" name = "l00033" > < / a > < span class = "lineno" > 33< / span > < span class = "comment" > // is a unit vector, T is a row-wise Eta matrix.< / span > < / div >
< div class = "line" > < a id = "l00034" name = "l00034" > < / a > < span class = "lineno" > 34< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00035" name = "l00035" > < / a > < span class = "lineno" > 35< / span > < span class = "comment" > // This is based on section 3.1 of:< / span > < / div >
< div class = "line" > < a id = "l00036" name = "l00036" > < / a > < span class = "lineno" > 36< / span > < span class = "comment" > // Qi Huangfu, J. A. Julian Hall, " Novel update techniques for the revised< / span > < / div >
< div class = "line" > < a id = "l00037" name = "l00037" > < / a > < span class = "lineno" > 37< / span > < span class = "comment" > // simplex method" , 28 january 2013, Technical Report ERGO-13-0001< / span > < / div >
< div class = "line" > < a id = "l00038" name = "l00038" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix.html" > 38< / a > < / span > < span class = "keyword" > class < / span > < a class = "code hl_class" href = "classoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix.html" > RankOneUpdateElementaryMatrix< / a > {< / div >
< div class = "line" > < a id = "l00039" name = "l00039" > < / a > < span class = "lineno" > 39< / span > < span class = "keyword" > public< / span > :< / div >
< div class = "line" > < a id = "l00040" name = "l00040" > < / a > < span class = "lineno" > 40< / span > < span class = "comment" > // Rather than copying the vectors u and v, RankOneUpdateElementaryMatrix< / span > < / div >
< div class = "line" > < a id = "l00041" name = "l00041" > < / a > < span class = "lineno" > 41< / span > < span class = "comment" > // takes two columns of a provided CompactSparseMatrix which is used for< / span > < / div >
< div class = "line" > < a id = "l00042" name = "l00042" > < / a > < span class = "lineno" > 42< / span > < span class = "comment" > // storage. This has a couple of advantages, especially in the context of the< / span > < / div >
< div class = "line" > < a id = "l00043" name = "l00043" > < / a > < span class = "lineno" > 43< / span > < span class = "comment" > // RankOneUpdateFactorization below:< / span > < / div >
< div class = "line" > < a id = "l00044" name = "l00044" > < / a > < span class = "lineno" > 44< / span > < span class = "comment" > // - It uses less overall memory (and avoid allocation overhead).< / span > < / div >
< div class = "line" > < a id = "l00045" name = "l00045" > < / a > < span class = "lineno" > 45< / span > < span class = "comment" > // - It has a better cache behavior for the RankOneUpdateFactorization solves.< / span > < / div >
< div class = "line" > < a id = "l00046" name = "l00046" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix.html#a566dd7c5c7561c3cbc9241ebeddc094a" > 46< / a > < / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix.html#a566dd7c5c7561c3cbc9241ebeddc094a" > RankOneUpdateElementaryMatrix< / a > (< span class = "keyword" > const< / span > < a class = "code hl_class" href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html" > CompactSparseMatrix< / a > * storage,< / div >
< div class = "line" > < a id = "l00047" name = "l00047" > < / a > < span class = "lineno" > 47< / span > ColIndex u_index, ColIndex v_index,< / div >
< div class = "line" > < a id = "l00048" name = "l00048" > < / a > < span class = "lineno" > 48< / span > < a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > Fractional< / a > u_dot_v)< / div >
< div class = "line" > < a id = "l00049" name = "l00049" > < / a > < span class = "lineno" > 49< / span > : storage_(storage),< / div >
< div class = "line" > < a id = "l00050" name = "l00050" > < / a > < span class = "lineno" > 50< / span > u_index_(u_index),< / div >
< div class = "line" > < a id = "l00051" name = "l00051" > < / a > < span class = "lineno" > 51< / span > v_index_(v_index),< / div >
< div class = "line" > < a id = "l00052" name = "l00052" > < / a > < span class = "lineno" > 52< / span > mu_(1.0 + u_dot_v) {}< / div >
< div class = "line" > < a id = "l00053" name = "l00053" > < / a > < span class = "lineno" > 53< / span > < / div >
< div class = "line" > < a id = "l00054" name = "l00054" > < / a > < span class = "lineno" > 54< / span > < span class = "comment" > // Returns whether or not this matrix is singular.< / span > < / div >
< div class = "line" > < a id = "l00055" name = "l00055" > < / a > < span class = "lineno" > 55< / span > < span class = "comment" > // Note that the RightSolve() and LeftSolve() function will fail if this is< / span > < / div >
< div class = "line" > < a id = "l00056" name = "l00056" > < / a > < span class = "lineno" > 56< / span > < span class = "comment" > // the case.< / span > < / div >
< div class = "line" > < a id = "l00057" name = "l00057" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix.html#a781425f29dc41d37c7d5f52dbd60bba5" > 57< / a > < / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix.html#a781425f29dc41d37c7d5f52dbd60bba5" > IsSingular< / a > ()< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > mu_ == 0.0; }< / div >
< div class = "line" > < a id = "l00058" name = "l00058" > < / a > < span class = "lineno" > 58< / span > < / div >
< div class = "line" > < a id = "l00059" name = "l00059" > < / a > < span class = "lineno" > 59< / span > < span class = "comment" > // Solves T.x = rhs with rhs initialy in x (a column vector).< / span > < / div >
< div class = "line" > < a id = "l00060" name = "l00060" > < / a > < span class = "lineno" > 60< / span > < span class = "comment" > // The non-zeros version keeps track of the new non-zeros.< / span > < / div >
< div class = "line" > < a id = "l00061" name = "l00061" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix.html#a6ec53ed3afa3d8affb6941568dcfec76" > 61< / a > < / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix.html#a6ec53ed3afa3d8affb6941568dcfec76" > RightSolve< / a > (< a class = "code hl_class" href = "classoperations__research_1_1glop_1_1_strict_i_t_i_vector.html" > DenseColumn< / a > * x)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a id = "l00062" name = "l00062" > < / a > < span class = "lineno" > 62< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (!< a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix.html#a781425f29dc41d37c7d5f52dbd60bba5" > IsSingular< / a > ());< / div >
< div class = "line" > < a id = "l00063" name = "l00063" > < / a > < span class = "lineno" > 63< / span > < span class = "keyword" > const< / span > < a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > Fractional< / a > multiplier =< / div >
< div class = "line" > < a id = "l00064" name = "l00064" > < / a > < span class = "lineno" > 64< / span > -storage_-> < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#abdd940ad64b555052b33e763b80aea26" > ColumnScalarProduct< / a > (v_index_, < a class = "code hl_function" href = "namespaceoperations__research_1_1glop.html#aaa803ce9366dca251925e0bdde517430" > Transpose< / a > (*x)) / mu_;< / div >
< div class = "line" > < a id = "l00065" name = "l00065" > < / a > < span class = "lineno" > 65< / span > storage_-> < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#aea0e9a84b41c95c874f171cae97cf31b" > ColumnAddMultipleToDenseColumn< / a > (u_index_, multiplier, x);< / 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" > < a class = "line" href = "classoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix.html#a86c372c611d33fb12aa3cd4a40880272" > 67< / a > < / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix.html#a86c372c611d33fb12aa3cd4a40880272" > RightSolveWithNonZeros< / a > (< a class = "code hl_struct" href = "structoperations__research_1_1glop_1_1_scattered_column.html" > ScatteredColumn< / a > * x)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a id = "l00068" name = "l00068" > < / a > < span class = "lineno" > 68< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (!< a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix.html#a781425f29dc41d37c7d5f52dbd60bba5" > IsSingular< / a > ());< / div >
< div class = "line" > < a id = "l00069" name = "l00069" > < / a > < span class = "lineno" > 69< / span > < span class = "keyword" > const< / span > < a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > Fractional< / a > multiplier =< / div >
< div class = "line" > < a id = "l00070" name = "l00070" > < / a > < span class = "lineno" > 70< / span > -storage_-> < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#abdd940ad64b555052b33e763b80aea26" > ColumnScalarProduct< / a > (v_index_, < a class = "code hl_function" href = "namespaceoperations__research_1_1glop.html#aaa803ce9366dca251925e0bdde517430" > Transpose< / a > (x-> < a class = "code hl_variable" href = "structoperations__research_1_1glop_1_1_scattered_vector.html#ae0473e18a367af671dc3f08063c80da4" > values< / a > )) / mu_;< / div >
< div class = "line" > < a id = "l00071" name = "l00071" > < / a > < span class = "lineno" > 71< / span > < span class = "keywordflow" > if< / span > (multiplier != 0.0) {< / div >
< div class = "line" > < a id = "l00072" name = "l00072" > < / a > < span class = "lineno" > 72< / span > storage_-> < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#a6e49e4127a33039fcccc6e50380faefa" > ColumnAddMultipleToSparseScatteredColumn< / a > (u_index_, multiplier,< / div >
< div class = "line" > < a id = "l00073" name = "l00073" > < / a > < span class = "lineno" > 73< / span > x);< / div >
< div class = "line" > < a id = "l00074" name = "l00074" > < / a > < span class = "lineno" > 74< / span > }< / div >
< div class = "line" > < a id = "l00075" name = "l00075" > < / a > < span class = "lineno" > 75< / span > }< / div >
< div class = "line" > < a id = "l00076" name = "l00076" > < / a > < span class = "lineno" > 76< / span > < / div >
< div class = "line" > < a id = "l00077" name = "l00077" > < / a > < span class = "lineno" > 77< / span > < span class = "comment" > // Solves y.T = rhs with rhs initialy in y (a row vector).< / span > < / div >
< div class = "line" > < a id = "l00078" name = "l00078" > < / a > < span class = "lineno" > 78< / span > < span class = "comment" > // The non-zeros version keeps track of the new non-zeros.< / span > < / div >
< div class = "line" > < a id = "l00079" name = "l00079" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix.html#a6b5f31c4068711b8e6823f4888f410ce" > 79< / a > < / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix.html#a6b5f31c4068711b8e6823f4888f410ce" > LeftSolve< / a > (< a class = "code hl_class" href = "classoperations__research_1_1glop_1_1_strict_i_t_i_vector.html" > DenseRow< / a > * y)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a id = "l00080" name = "l00080" > < / a > < span class = "lineno" > 80< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (!< a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix.html#a781425f29dc41d37c7d5f52dbd60bba5" > IsSingular< / a > ());< / div >
< div class = "line" > < a id = "l00081" name = "l00081" > < / a > < span class = "lineno" > 81< / span > < span class = "keyword" > const< / span > < a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > Fractional< / a > multiplier =< / div >
< div class = "line" > < a id = "l00082" name = "l00082" > < / a > < span class = "lineno" > 82< / span > -storage_-> < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#abdd940ad64b555052b33e763b80aea26" > ColumnScalarProduct< / a > (u_index_, *y) / mu_;< / div >
< div class = "line" > < a id = "l00083" name = "l00083" > < / a > < span class = "lineno" > 83< / span > storage_-> < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#aea0e9a84b41c95c874f171cae97cf31b" > ColumnAddMultipleToDenseColumn< / a > (v_index_, multiplier,< / div >
< div class = "line" > < a id = "l00084" name = "l00084" > < / a > < span class = "lineno" > 84< / span > < span class = "keyword" > reinterpret_cast< < / span > < a class = "code hl_class" href = "classoperations__research_1_1glop_1_1_strict_i_t_i_vector.html" > DenseColumn< / a > *< span class = "keyword" > > < / span > (y));< / div >
< div class = "line" > < a id = "l00085" name = "l00085" > < / a > < span class = "lineno" > 85< / span > }< / div >
< div class = "line" > < a id = "l00086" name = "l00086" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix.html#a6d91289298bf5d7a417105e06d8d1c46" > 86< / a > < / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix.html#a6d91289298bf5d7a417105e06d8d1c46" > LeftSolveWithNonZeros< / a > (< a class = "code hl_struct" href = "structoperations__research_1_1glop_1_1_scattered_row.html" > ScatteredRow< / a > * y)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a id = "l00087" name = "l00087" > < / a > < span class = "lineno" > 87< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (!< a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix.html#a781425f29dc41d37c7d5f52dbd60bba5" > IsSingular< / a > ());< / div >
< div class = "line" > < a id = "l00088" name = "l00088" > < / a > < span class = "lineno" > 88< / span > < span class = "keyword" > const< / span > < a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > Fractional< / a > multiplier =< / div >
< div class = "line" > < a id = "l00089" name = "l00089" > < / a > < span class = "lineno" > 89< / span > -storage_-> < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#abdd940ad64b555052b33e763b80aea26" > ColumnScalarProduct< / a > (u_index_, y-> < a class = "code hl_variable" href = "structoperations__research_1_1glop_1_1_scattered_vector.html#ae0473e18a367af671dc3f08063c80da4" > values< / a > ) / mu_;< / div >
< div class = "line" > < a id = "l00090" name = "l00090" > < / a > < span class = "lineno" > 90< / span > < span class = "keywordflow" > if< / span > (multiplier != 0.0) {< / div >
< div class = "line" > < a id = "l00091" name = "l00091" > < / a > < span class = "lineno" > 91< / span > storage_-> < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#a6e49e4127a33039fcccc6e50380faefa" > ColumnAddMultipleToSparseScatteredColumn< / a > (< / div >
< div class = "line" > < a id = "l00092" name = "l00092" > < / a > < span class = "lineno" > 92< / span > v_index_, multiplier, < span class = "keyword" > reinterpret_cast< < / span > < a class = "code hl_struct" href = "structoperations__research_1_1glop_1_1_scattered_column.html" > ScatteredColumn< / a > *< span class = "keyword" > > < / span > (y));< / div >
< div class = "line" > < a id = "l00093" name = "l00093" > < / a > < span class = "lineno" > 93< / span > }< / div >
< div class = "line" > < a id = "l00094" name = "l00094" > < / a > < span class = "lineno" > 94< / span > }< / 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 > < span class = "comment" > // Computes T.x for a given column vector.< / span > < / div >
< div class = "line" > < a id = "l00097" name = "l00097" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix.html#a2b9b2400ca71e53418ea88cff62d51ce" > 97< / a > < / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix.html#a2b9b2400ca71e53418ea88cff62d51ce" > RightMultiply< / a > (< a class = "code hl_class" href = "classoperations__research_1_1glop_1_1_strict_i_t_i_vector.html" > DenseColumn< / a > * x)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a id = "l00098" name = "l00098" > < / a > < span class = "lineno" > 98< / span > < span class = "keyword" > const< / span > < a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > Fractional< / a > multiplier =< / div >
< div class = "line" > < a id = "l00099" name = "l00099" > < / a > < span class = "lineno" > 99< / span > storage_-> < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#abdd940ad64b555052b33e763b80aea26" > ColumnScalarProduct< / a > (v_index_, < a class = "code hl_function" href = "namespaceoperations__research_1_1glop.html#aaa803ce9366dca251925e0bdde517430" > Transpose< / a > (*x));< / div >
< div class = "line" > < a id = "l00100" name = "l00100" > < / a > < span class = "lineno" > 100< / span > storage_-> < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#aea0e9a84b41c95c874f171cae97cf31b" > ColumnAddMultipleToDenseColumn< / a > (u_index_, multiplier, x);< / div >
< div class = "line" > < a id = "l00101" name = "l00101" > < / a > < span class = "lineno" > 101< / span > }< / div >
< div class = "line" > < a id = "l00102" name = "l00102" > < / a > < span class = "lineno" > 102< / span > < / div >
< div class = "line" > < a id = "l00103" name = "l00103" > < / a > < span class = "lineno" > 103< / span > < span class = "comment" > // Computes y.T for a given row vector.< / span > < / div >
< div class = "line" > < a id = "l00104" name = "l00104" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix.html#a7409cd7e117d8f29d230729f73a7ed85" > 104< / a > < / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix.html#a7409cd7e117d8f29d230729f73a7ed85" > LeftMultiply< / a > (< a class = "code hl_class" href = "classoperations__research_1_1glop_1_1_strict_i_t_i_vector.html" > DenseRow< / a > * y)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a id = "l00105" name = "l00105" > < / a > < span class = "lineno" > 105< / span > < span class = "keyword" > const< / span > < a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > Fractional< / a > multiplier = storage_-> < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#abdd940ad64b555052b33e763b80aea26" > ColumnScalarProduct< / a > (u_index_, *y);< / div >
< div class = "line" > < a id = "l00106" name = "l00106" > < / a > < span class = "lineno" > 106< / span > storage_-> < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#aea0e9a84b41c95c874f171cae97cf31b" > ColumnAddMultipleToDenseColumn< / a > (v_index_, multiplier,< / div >
< div class = "line" > < a id = "l00107" name = "l00107" > < / a > < span class = "lineno" > 107< / span > < span class = "keyword" > reinterpret_cast< < / span > < a class = "code hl_class" href = "classoperations__research_1_1glop_1_1_strict_i_t_i_vector.html" > DenseColumn< / a > *< span class = "keyword" > > < / span > (y));< / 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" > 109< / span > < / div >
< div class = "line" > < a id = "l00110" name = "l00110" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix.html#af69d9b7065a8f31604a8134be4307749" > 110< / a > < / span > EntryIndex < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix.html#af69d9b7065a8f31604a8134be4307749" > num_entries< / a > ()< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a id = "l00111" name = "l00111" > < / a > < span class = "lineno" > 111< / span > < span class = "keywordflow" > return< / span > storage_-> < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#afbe7c81d6b4066bf7874299a0f7c0d59" > column< / a > (u_index_).< a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_column_view.html#af69d9b7065a8f31604a8134be4307749" > num_entries< / a > () +< / div >
< div class = "line" > < a id = "l00112" name = "l00112" > < / a > < span class = "lineno" > 112< / span > storage_-> < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#afbe7c81d6b4066bf7874299a0f7c0d59" > column< / a > (v_index_).< a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_column_view.html#af69d9b7065a8f31604a8134be4307749" > num_entries< / 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" > 114< / span > < / div >
< div class = "line" > < a id = "l00115" name = "l00115" > < / a > < span class = "lineno" > 115< / span > < span class = "keyword" > private< / span > :< / div >
< div class = "line" > < a id = "l00116" name = "l00116" > < / a > < span class = "lineno" > 116< / span > < span class = "comment" > // This is only used in debug mode.< / span > < / div >
< div class = "line" > < a id = "l00117" name = "l00117" > < / a > < span class = "lineno" > 117< / span > < a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > Fractional< / a > ComputeUScalarV()< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a id = "l00118" name = "l00118" > < / a > < span class = "lineno" > 118< / span > < a class = "code hl_class" href = "classoperations__research_1_1glop_1_1_strict_i_t_i_vector.html" > DenseColumn< / a > dense_u;< / div >
< div class = "line" > < a id = "l00119" name = "l00119" > < / a > < span class = "lineno" > 119< / span > storage_-> < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#a28058c5e9ff6638ea1ea210b49a4e7bc" > ColumnCopyToDenseColumn< / a > (u_index_, & dense_u);< / div >
< div class = "line" > < a id = "l00120" name = "l00120" > < / a > < span class = "lineno" > 120< / span > < span class = "keywordflow" > return< / span > storage_-> < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#abdd940ad64b555052b33e763b80aea26" > ColumnScalarProduct< / a > (v_index_, < a class = "code hl_function" href = "namespaceoperations__research_1_1glop.html#aaa803ce9366dca251925e0bdde517430" > Transpose< / a > (dense_u));< / div >
< div class = "line" > < a id = "l00121" name = "l00121" > < / a > < span class = "lineno" > 121< / span > }< / 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 > < span class = "comment" > // Note that we allow copy and assignment so we can store a< / span > < / div >
< div class = "line" > < a id = "l00124" name = "l00124" > < / a > < span class = "lineno" > 124< / span > < span class = "comment" > // RankOneUpdateElementaryMatrix in an STL container.< / span > < / div >
< div class = "line" > < a id = "l00125" name = "l00125" > < / a > < span class = "lineno" > 125< / span > < span class = "keyword" > const< / span > CompactSparseMatrix* storage_;< / div >
< div class = "line" > < a id = "l00126" name = "l00126" > < / a > < span class = "lineno" > 126< / span > ColIndex u_index_;< / div >
< div class = "line" > < a id = "l00127" name = "l00127" > < / a > < span class = "lineno" > 127< / span > ColIndex v_index_;< / div >
< div class = "line" > < a id = "l00128" name = "l00128" > < / a > < span class = "lineno" > 128< / span > < a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > Fractional< / a > mu_;< / 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" > // A rank one update factorization corresponds to the product of k rank one< / span > < / div >
< div class = "line" > < a id = "l00132" name = "l00132" > < / a > < span class = "lineno" > 132< / span > < span class = "comment" > // update elementary matrices, i.e. T = T_0.T_1. ... .T_{k-1}< / span > < / div >
< div class = "line" > < a id = "l00133" name = "l00133" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_rank_one_update_factorization.html" > 133< / a > < / span > < span class = "keyword" > class < / span > < a class = "code hl_class" href = "classoperations__research_1_1glop_1_1_rank_one_update_factorization.html" > RankOneUpdateFactorization< / a > {< / div >
< div class = "line" > < a id = "l00134" name = "l00134" > < / a > < span class = "lineno" > 134< / span > < span class = "keyword" > public< / span > :< / div >
< div class = "line" > < a id = "l00135" name = "l00135" > < / a > < span class = "lineno" > 135< / span > < span class = "comment" > // TODO(user): make the 5% a parameter and share it between all the places< / span > < / div >
< div class = "line" > < a id = "l00136" name = "l00136" > < / a > < span class = "lineno" > 136< / span > < span class = "comment" > // that switch between a sparse/dense version.< / span > < / div >
< div class = "line" > < a id = "l00137" name = "l00137" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_rank_one_update_factorization.html#afc72b7ff4d8f711d0e87fcc9fafa9b59" > 137< / a > < / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_rank_one_update_factorization.html#afc72b7ff4d8f711d0e87fcc9fafa9b59" > RankOneUpdateFactorization< / a > () : hypersparse_ratio_(0.05) {}< / div >
< div class = "line" > < a id = "l00138" name = "l00138" > < / a > < span class = "lineno" > 138< / span > < / div >
< div class = "line" > < a id = "l00139" name = "l00139" > < / a > < span class = "lineno" > 139< / span > < span class = "comment" > // This is currently only visible for testing.< / span > < / div >
< div class = "line" > < a id = "l00140" name = "l00140" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_rank_one_update_factorization.html#afcf383b6d3353520f4c1dabf0d16eca1" > 140< / a > < / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_rank_one_update_factorization.html#afcf383b6d3353520f4c1dabf0d16eca1" > set_hypersparse_ratio< / a > (< span class = "keywordtype" > double< / span > < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ) { hypersparse_ratio_ = < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ; }< / div >
< div class = "line" > < a id = "l00141" name = "l00141" > < / a > < span class = "lineno" > 141< / span > < / div >
< div class = "line" > < a id = "l00142" name = "l00142" > < / a > < span class = "lineno" > 142< / span > < span class = "comment" > // Deletes all elementary matrices of this factorization.< / span > < / div >
< div class = "line" > < a id = "l00143" name = "l00143" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_rank_one_update_factorization.html#aa71d36872f416feaa853788a7a7a7ef8" > 143< / a > < / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_rank_one_update_factorization.html#aa71d36872f416feaa853788a7a7a7ef8" > Clear< / a > () {< / div >
< div class = "line" > < a id = "l00144" name = "l00144" > < / a > < span class = "lineno" > 144< / span > elementary_matrices_.clear();< / div >
< div class = "line" > < a id = "l00145" name = "l00145" > < / a > < span class = "lineno" > 145< / span > num_entries_ = 0;< / div >
< div class = "line" > < a id = "l00146" name = "l00146" > < / a > < span class = "lineno" > 146< / span > }< / div >
< div class = "line" > < a id = "l00147" name = "l00147" > < / a > < span class = "lineno" > 147< / span > < / div >
< div class = "line" > < a id = "l00148" name = "l00148" > < / a > < span class = "lineno" > 148< / span > < span class = "comment" > // Updates the factorization.< / span > < / div >
< div class = "line" > < a id = "l00149" name = "l00149" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_rank_one_update_factorization.html#aed839e3b52e966f415f4f289701c51af" > 149< / a > < / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_rank_one_update_factorization.html#aed839e3b52e966f415f4f289701c51af" > Update< / a > (< span class = "keyword" > const< / span > < a class = "code hl_class" href = "classoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix.html" > RankOneUpdateElementaryMatrix< / a > & update_matrix) {< / div >
< div class = "line" > < a id = "l00150" name = "l00150" > < / a > < span class = "lineno" > 150< / span > elementary_matrices_.push_back(update_matrix);< / div >
< div class = "line" > < a id = "l00151" name = "l00151" > < / a > < span class = "lineno" > 151< / span > num_entries_ += update_matrix.< a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix.html#af69d9b7065a8f31604a8134be4307749" > num_entries< / a > ();< / div >
< div class = "line" > < a id = "l00152" name = "l00152" > < / a > < span class = "lineno" > 152< / span > }< / div >
< div class = "line" > < a id = "l00153" name = "l00153" > < / a > < span class = "lineno" > 153< / span > < / div >
< div class = "line" > < a id = "l00154" name = "l00154" > < / a > < span class = "lineno" > 154< / span > < span class = "comment" > // Left-solves all systems from right to left, i.e. y_i = y_{i+1}.(T_i)^{-1}< / span > < / div >
< div class = "line" > < a id = "l00155" name = "l00155" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_rank_one_update_factorization.html#a6b5f31c4068711b8e6823f4888f410ce" > 155< / a > < / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_rank_one_update_factorization.html#a6b5f31c4068711b8e6823f4888f410ce" > LeftSolve< / a > (< a class = "code hl_class" href = "classoperations__research_1_1glop_1_1_strict_i_t_i_vector.html" > DenseRow< / a > * y)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a id = "l00156" name = "l00156" > < / a > < span class = "lineno" > 156< / span > < a class = "code hl_define" href = "return__macros_8h.html#a6009315499028d98072d8f31834cf4f9" > RETURN_IF_NULL< / a > (y);< / div >
< div class = "line" > < a id = "l00157" name = "l00157" > < / a > < span class = "lineno" > 157< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = elementary_matrices_.size() - 1; i > = 0; --i) {< / div >
< div class = "line" > < a id = "l00158" name = "l00158" > < / a > < span class = "lineno" > 158< / span > elementary_matrices_[i].LeftSolve(y);< / div >
< div class = "line" > < a id = "l00159" name = "l00159" > < / a > < span class = "lineno" > 159< / span > }< / div >
< div class = "line" > < a id = "l00160" name = "l00160" > < / a > < span class = "lineno" > 160< / span > dtime_ += < a class = "code hl_function" href = "namespaceoperations__research_1_1glop.html#aedb714d776d86539dbb9f42ae5d7d923" > DeterministicTimeForFpOperations< / a > (num_entries_.value());< / div >
< div class = "line" > < a id = "l00161" name = "l00161" > < / a > < span class = "lineno" > 161< / span > }< / div >
< div class = "line" > < a id = "l00162" name = "l00162" > < / a > < span class = "lineno" > 162< / span > < / div >
< div class = "line" > < a id = "l00163" name = "l00163" > < / a > < span class = "lineno" > 163< / span > < span class = "comment" > // Same as LeftSolve(), but if the given non_zeros are not empty, then all< / span > < / div >
< div class = "line" > < a id = "l00164" name = "l00164" > < / a > < span class = "lineno" > 164< / span > < span class = "comment" > // the new non-zeros in the result are appended to it.< / span > < / div >
< div class = "line" > < a id = "l00165" name = "l00165" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_rank_one_update_factorization.html#a6d91289298bf5d7a417105e06d8d1c46" > 165< / a > < / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_rank_one_update_factorization.html#a6d91289298bf5d7a417105e06d8d1c46" > LeftSolveWithNonZeros< / a > (< a class = "code hl_struct" href = "structoperations__research_1_1glop_1_1_scattered_row.html" > ScatteredRow< / a > * y)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a id = "l00166" name = "l00166" > < / a > < span class = "lineno" > 166< / span > < a class = "code hl_define" href = "return__macros_8h.html#a6009315499028d98072d8f31834cf4f9" > RETURN_IF_NULL< / a > (y);< / div >
< div class = "line" > < a id = "l00167" name = "l00167" > < / a > < span class = "lineno" > 167< / span > < span class = "keywordflow" > if< / span > (y-> < a class = "code hl_variable" href = "structoperations__research_1_1glop_1_1_scattered_vector.html#ac146d47daa294f7e6546c7569c9c881b" > non_zeros< / a > .empty()) {< / div >
< div class = "line" > < a id = "l00168" name = "l00168" > < / a > < span class = "lineno" > 168< / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_rank_one_update_factorization.html#a6b5f31c4068711b8e6823f4888f410ce" > LeftSolve< / a > (& y-> < a class = "code hl_variable" href = "structoperations__research_1_1glop_1_1_scattered_vector.html#ae0473e18a367af671dc3f08063c80da4" > values< / a > );< / div >
< div class = "line" > < a id = "l00169" name = "l00169" > < / a > < span class = "lineno" > 169< / span > < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l00170" name = "l00170" > < / a > < span class = "lineno" > 170< / span > }< / div >
< div class = "line" > < a id = "l00171" name = "l00171" > < / a > < span class = "lineno" > 171< / span > < / div >
< div class = "line" > < a id = "l00172" name = "l00172" > < / a > < span class = "lineno" > 172< / span > < span class = "comment" > // y-> is_non_zero is always all false before and after this code.< / span > < / div >
< div class = "line" > < a id = "l00173" name = "l00173" > < / a > < span class = "lineno" > 173< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (< a class = "code hl_function" href = "namespaceoperations__research_1_1glop.html#a66f88d7a4bcc601c81b7d694bcfae840" > IsAllFalse< / a > (y-> < a class = "code hl_variable" href = "structoperations__research_1_1glop_1_1_scattered_vector.html#ac194aeeb3d13767546d461312169d86f" > is_non_zero< / a > ));< / div >
< div class = "line" > < a id = "l00174" name = "l00174" > < / a > < span class = "lineno" > 174< / span > y-> < a class = "code hl_function" href = "structoperations__research_1_1glop_1_1_scattered_vector.html#a582acb7e40cf171c7f0ab27aacd67823" > RepopulateSparseMask< / a > ();< / div >
< div class = "line" > < a id = "l00175" name = "l00175" > < / a > < span class = "lineno" > 175< / span > < span class = "keywordtype" > bool< / span > use_dense = y-> < a class = "code hl_function" href = "structoperations__research_1_1glop_1_1_scattered_vector.html#a73934bd40690bdc3cbe36d6fbb0ecad5" > ShouldUseDenseIteration< / a > (hypersparse_ratio_);< / div >
< div class = "line" > < a id = "l00176" name = "l00176" > < / a > < span class = "lineno" > 176< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = elementary_matrices_.size() - 1; i > = 0; --i) {< / div >
< div class = "line" > < a id = "l00177" name = "l00177" > < / a > < span class = "lineno" > 177< / span > < span class = "keywordflow" > if< / span > (use_dense) {< / div >
< div class = "line" > < a id = "l00178" name = "l00178" > < / a > < span class = "lineno" > 178< / span > elementary_matrices_[i].LeftSolve(& y-> < a class = "code hl_variable" href = "structoperations__research_1_1glop_1_1_scattered_vector.html#ae0473e18a367af671dc3f08063c80da4" > values< / a > );< / div >
< div class = "line" > < a id = "l00179" name = "l00179" > < / a > < span class = "lineno" > 179< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00180" name = "l00180" > < / a > < span class = "lineno" > 180< / span > elementary_matrices_[i].LeftSolveWithNonZeros(y);< / div >
< div class = "line" > < a id = "l00181" name = "l00181" > < / a > < span class = "lineno" > 181< / span > use_dense = y-> < a class = "code hl_function" href = "structoperations__research_1_1glop_1_1_scattered_vector.html#a73934bd40690bdc3cbe36d6fbb0ecad5" > ShouldUseDenseIteration< / a > (hypersparse_ratio_);< / div >
< div class = "line" > < a id = "l00182" name = "l00182" > < / a > < span class = "lineno" > 182< / span > }< / div >
< div class = "line" > < a id = "l00183" name = "l00183" > < / a > < span class = "lineno" > 183< / span > }< / div >
< div class = "line" > < a id = "l00184" name = "l00184" > < / a > < span class = "lineno" > 184< / span > y-> < a class = "code hl_function" href = "structoperations__research_1_1glop_1_1_scattered_vector.html#a824e6b41b839a9f0ce98b10d3b84046d" > ClearSparseMask< / a > ();< / div >
< div class = "line" > < a id = "l00185" name = "l00185" > < / a > < span class = "lineno" > 185< / span > y-> < a class = "code hl_function" href = "structoperations__research_1_1glop_1_1_scattered_vector.html#aa01dd1032c527cbadf34ea39a02f799e" > ClearNonZerosIfTooDense< / a > (hypersparse_ratio_);< / div >
< div class = "line" > < a id = "l00186" name = "l00186" > < / a > < span class = "lineno" > 186< / span > dtime_ += < a class = "code hl_function" href = "namespaceoperations__research_1_1glop.html#aedb714d776d86539dbb9f42ae5d7d923" > DeterministicTimeForFpOperations< / a > (num_entries_.value());< / div >
< div class = "line" > < a id = "l00187" name = "l00187" > < / a > < span class = "lineno" > 187< / span > }< / div >
< div class = "line" > < a id = "l00188" name = "l00188" > < / a > < span class = "lineno" > 188< / span > < / div >
< div class = "line" > < a id = "l00189" name = "l00189" > < / a > < span class = "lineno" > 189< / span > < span class = "comment" > // Right-solves all systems from left to right, i.e. T_i.d_{i+1} = d_i< / span > < / div >
< div class = "line" > < a id = "l00190" name = "l00190" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_rank_one_update_factorization.html#a3cb026dc900190c13b208d24134755ed" > 190< / a > < / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_rank_one_update_factorization.html#a3cb026dc900190c13b208d24134755ed" > RightSolve< / a > (< a class = "code hl_class" href = "classoperations__research_1_1glop_1_1_strict_i_t_i_vector.html" > DenseColumn< / a > * d)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a id = "l00191" name = "l00191" > < / a > < span class = "lineno" > 191< / span > < a class = "code hl_define" href = "return__macros_8h.html#a6009315499028d98072d8f31834cf4f9" > RETURN_IF_NULL< / a > (d);< / div >
< div class = "line" > < a id = "l00192" name = "l00192" > < / a > < span class = "lineno" > 192< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > size_t< / span > < a class = "code hl_variable" href = "sparse__submatrix_8cc.html#a4d53eac2ef2732c28fa9fb663e0c19a7" > end< / a > = elementary_matrices_.size();< / div >
< div class = "line" > < a id = "l00193" name = "l00193" > < / a > < span class = "lineno" > 193< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < < a class = "code hl_variable" href = "sparse__submatrix_8cc.html#a4d53eac2ef2732c28fa9fb663e0c19a7" > end< / a > ; ++i) {< / div >
< div class = "line" > < a id = "l00194" name = "l00194" > < / a > < span class = "lineno" > 194< / span > elementary_matrices_[i].RightSolve(d);< / div >
< div class = "line" > < a id = "l00195" name = "l00195" > < / a > < span class = "lineno" > 195< / span > }< / div >
< div class = "line" > < a id = "l00196" name = "l00196" > < / a > < span class = "lineno" > 196< / span > dtime_ += < a class = "code hl_function" href = "namespaceoperations__research_1_1glop.html#aedb714d776d86539dbb9f42ae5d7d923" > DeterministicTimeForFpOperations< / a > (num_entries_.value());< / div >
< div class = "line" > < a id = "l00197" name = "l00197" > < / a > < span class = "lineno" > 197< / span > }< / div >
< div class = "line" > < a id = "l00198" name = "l00198" > < / a > < span class = "lineno" > 198< / span > < / div >
< div class = "line" > < a id = "l00199" name = "l00199" > < / a > < span class = "lineno" > 199< / span > < span class = "comment" > // Same as RightSolve(), but if the given non_zeros are not empty, then all< / span > < / div >
< div class = "line" > < a id = "l00200" name = "l00200" > < / a > < span class = "lineno" > 200< / span > < span class = "comment" > // the new non-zeros in the result are appended to it.< / span > < / div >
< div class = "line" > < a id = "l00201" name = "l00201" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_rank_one_update_factorization.html#a0a02835bcd8b006bdc16cda3a72cd02a" > 201< / a > < / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_rank_one_update_factorization.html#a0a02835bcd8b006bdc16cda3a72cd02a" > RightSolveWithNonZeros< / a > (< a class = "code hl_struct" href = "structoperations__research_1_1glop_1_1_scattered_column.html" > ScatteredColumn< / a > * d)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a id = "l00202" name = "l00202" > < / a > < span class = "lineno" > 202< / span > < a class = "code hl_define" href = "return__macros_8h.html#a6009315499028d98072d8f31834cf4f9" > RETURN_IF_NULL< / a > (d);< / div >
< div class = "line" > < a id = "l00203" name = "l00203" > < / a > < span class = "lineno" > 203< / span > < span class = "keywordflow" > if< / span > (d-> < a class = "code hl_variable" href = "structoperations__research_1_1glop_1_1_scattered_vector.html#ac146d47daa294f7e6546c7569c9c881b" > non_zeros< / a > .empty()) {< / div >
< div class = "line" > < a id = "l00204" name = "l00204" > < / a > < span class = "lineno" > 204< / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_rank_one_update_factorization.html#a3cb026dc900190c13b208d24134755ed" > RightSolve< / a > (& d-> < a class = "code hl_variable" href = "structoperations__research_1_1glop_1_1_scattered_vector.html#ae0473e18a367af671dc3f08063c80da4" > values< / a > );< / div >
< div class = "line" > < a id = "l00205" name = "l00205" > < / a > < span class = "lineno" > 205< / span > < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l00206" name = "l00206" > < / a > < span class = "lineno" > 206< / span > }< / div >
< div class = "line" > < a id = "l00207" name = "l00207" > < / a > < span class = "lineno" > 207< / span > < / div >
< div class = "line" > < a id = "l00208" name = "l00208" > < / a > < span class = "lineno" > 208< / span > < span class = "comment" > // d-> is_non_zero is always all false before and after this code.< / span > < / div >
< div class = "line" > < a id = "l00209" name = "l00209" > < / a > < span class = "lineno" > 209< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (< a class = "code hl_function" href = "namespaceoperations__research_1_1glop.html#a66f88d7a4bcc601c81b7d694bcfae840" > IsAllFalse< / a > (d-> < a class = "code hl_variable" href = "structoperations__research_1_1glop_1_1_scattered_vector.html#ac194aeeb3d13767546d461312169d86f" > is_non_zero< / a > ));< / div >
< div class = "line" > < a id = "l00210" name = "l00210" > < / a > < span class = "lineno" > 210< / span > d-> < a class = "code hl_function" href = "structoperations__research_1_1glop_1_1_scattered_vector.html#a582acb7e40cf171c7f0ab27aacd67823" > RepopulateSparseMask< / a > ();< / div >
< div class = "line" > < a id = "l00211" name = "l00211" > < / a > < span class = "lineno" > 211< / span > < span class = "keywordtype" > bool< / span > use_dense = d-> < a class = "code hl_function" href = "structoperations__research_1_1glop_1_1_scattered_vector.html#a73934bd40690bdc3cbe36d6fbb0ecad5" > ShouldUseDenseIteration< / a > (hypersparse_ratio_);< / div >
< div class = "line" > < a id = "l00212" name = "l00212" > < / a > < span class = "lineno" > 212< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > size_t< / span > < a class = "code hl_variable" href = "sparse__submatrix_8cc.html#a4d53eac2ef2732c28fa9fb663e0c19a7" > end< / a > = elementary_matrices_.size();< / div >
< div class = "line" > < a id = "l00213" name = "l00213" > < / a > < span class = "lineno" > 213< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < < a class = "code hl_variable" href = "sparse__submatrix_8cc.html#a4d53eac2ef2732c28fa9fb663e0c19a7" > end< / a > ; ++i) {< / div >
< div class = "line" > < a id = "l00214" name = "l00214" > < / a > < span class = "lineno" > 214< / span > < span class = "keywordflow" > if< / span > (use_dense) {< / div >
< div class = "line" > < a id = "l00215" name = "l00215" > < / a > < span class = "lineno" > 215< / span > elementary_matrices_[i].RightSolve(& d-> < a class = "code hl_variable" href = "structoperations__research_1_1glop_1_1_scattered_vector.html#ae0473e18a367af671dc3f08063c80da4" > values< / a > );< / div >
< div class = "line" > < a id = "l00216" name = "l00216" > < / a > < span class = "lineno" > 216< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00217" name = "l00217" > < / a > < span class = "lineno" > 217< / span > elementary_matrices_[i].RightSolveWithNonZeros(d);< / div >
< div class = "line" > < a id = "l00218" name = "l00218" > < / a > < span class = "lineno" > 218< / span > use_dense = d-> < a class = "code hl_function" href = "structoperations__research_1_1glop_1_1_scattered_vector.html#a73934bd40690bdc3cbe36d6fbb0ecad5" > ShouldUseDenseIteration< / a > (hypersparse_ratio_);< / div >
< div class = "line" > < a id = "l00219" name = "l00219" > < / a > < span class = "lineno" > 219< / span > }< / div >
< div class = "line" > < a id = "l00220" name = "l00220" > < / a > < span class = "lineno" > 220< / span > }< / div >
< div class = "line" > < a id = "l00221" name = "l00221" > < / a > < span class = "lineno" > 221< / span > d-> < a class = "code hl_function" href = "structoperations__research_1_1glop_1_1_scattered_vector.html#a824e6b41b839a9f0ce98b10d3b84046d" > ClearSparseMask< / a > ();< / div >
< div class = "line" > < a id = "l00222" name = "l00222" > < / a > < span class = "lineno" > 222< / span > d-> < a class = "code hl_function" href = "structoperations__research_1_1glop_1_1_scattered_vector.html#aa01dd1032c527cbadf34ea39a02f799e" > ClearNonZerosIfTooDense< / a > (hypersparse_ratio_);< / div >
< div class = "line" > < a id = "l00223" name = "l00223" > < / a > < span class = "lineno" > 223< / span > dtime_ += < a class = "code hl_function" href = "namespaceoperations__research_1_1glop.html#aedb714d776d86539dbb9f42ae5d7d923" > DeterministicTimeForFpOperations< / a > (num_entries_.value());< / div >
< div class = "line" > < a id = "l00224" name = "l00224" > < / a > < span class = "lineno" > 224< / span > }< / div >
< div class = "line" > < a id = "l00225" name = "l00225" > < / a > < span class = "lineno" > 225< / span > < / div >
< div class = "line" > < a id = "l00226" name = "l00226" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_rank_one_update_factorization.html#af69d9b7065a8f31604a8134be4307749" > 226< / a > < / span > EntryIndex < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_rank_one_update_factorization.html#af69d9b7065a8f31604a8134be4307749" > num_entries< / a > ()< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > num_entries_; }< / div >
< div class = "line" > < a id = "l00227" name = "l00227" > < / a > < span class = "lineno" > 227< / span > < / div >
< div class = "line" > < a id = "l00228" name = "l00228" > < / a > < span class = "lineno" > 228< / span > < span class = "comment" > // Deterministic time spent in all the solves function since last reset.< / span > < / div >
< div class = "line" > < a id = "l00229" name = "l00229" > < / a > < span class = "lineno" > 229< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00230" name = "l00230" > < / a > < span class = "lineno" > 230< / span > < span class = "comment" > // TODO(user): This is quite precise. However we overcount a bit, because in< / span > < / div >
< div class = "line" > < a id = "l00231" name = "l00231" > < / a > < span class = "lineno" > 231< / span > < span class = "comment" > // each elementary solves, if the scalar product involved is zero, we skip< / span > < / div >
< div class = "line" > < a id = "l00232" name = "l00232" > < / a > < span class = "lineno" > 232< / span > < span class = "comment" > // some of the operations counted here. Is it worth spending a bit more time< / span > < / div >
< div class = "line" > < a id = "l00233" name = "l00233" > < / a > < span class = "lineno" > 233< / span > < span class = "comment" > // to be more precise here?< / span > < / div >
< div class = "line" > < a id = "l00234" name = "l00234" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_rank_one_update_factorization.html#add6b4ac60241ef3e018ad1157e329949" > 234< / a > < / span > < span class = "keywordtype" > double< / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_rank_one_update_factorization.html#add6b4ac60241ef3e018ad1157e329949" > DeterministicTimeSinceLastReset< / a > ()< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > dtime_; }< / div >
< div class = "line" > < a id = "l00235" name = "l00235" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_rank_one_update_factorization.html#ac336bdc1a5faa992e9c015387a53b0b9" > 235< / a > < / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_rank_one_update_factorization.html#ac336bdc1a5faa992e9c015387a53b0b9" > ResetDeterministicTime< / a > () { dtime_ = 0.0; }< / div >
< div class = "line" > < a id = "l00236" name = "l00236" > < / a > < span class = "lineno" > 236< / span > < / div >
< div class = "line" > < a id = "l00237" name = "l00237" > < / a > < span class = "lineno" > 237< / span > < span class = "keyword" > private< / span > :< / div >
< div class = "line" > < a id = "l00238" name = "l00238" > < / a > < span class = "lineno" > 238< / span > < span class = "keyword" > mutable< / span > < span class = "keywordtype" > double< / span > dtime_ = 0.0;< / div >
< div class = "line" > < a id = "l00239" name = "l00239" > < / a > < span class = "lineno" > 239< / span > < / div >
< div class = "line" > < a id = "l00240" name = "l00240" > < / a > < span class = "lineno" > 240< / span > < span class = "keywordtype" > double< / span > hypersparse_ratio_;< / div >
< div class = "line" > < a id = "l00241" name = "l00241" > < / a > < span class = "lineno" > 241< / span > EntryIndex num_entries_;< / div >
< div class = "line" > < a id = "l00242" name = "l00242" > < / a > < span class = "lineno" > 242< / span > std::vector< RankOneUpdateElementaryMatrix> elementary_matrices_;< / div >
< div class = "line" > < a id = "l00243" name = "l00243" > < / a > < span class = "lineno" > 243< / span > DISALLOW_COPY_AND_ASSIGN(< a class = "code hl_class" href = "classoperations__research_1_1glop_1_1_rank_one_update_factorization.html" > RankOneUpdateFactorization< / a > );< / div >
< div class = "line" > < a id = "l00244" name = "l00244" > < / a > < span class = "lineno" > 244< / span > };< / div >
< div class = "line" > < a id = "l00245" name = "l00245" > < / a > < span class = "lineno" > 245< / span > < / div >
< div class = "line" > < a id = "l00246" name = "l00246" > < / a > < span class = "lineno" > 246< / span > } < span class = "comment" > // namespace glop< / span > < / div >
< div class = "line" > < a id = "l00247" name = "l00247" > < / a > < span class = "lineno" > 247< / span > } < span class = "comment" > // namespace operations_research< / span > < / div >
< div class = "line" > < a id = "l00248" name = "l00248" > < / a > < span class = "lineno" > 248< / span > < / div >
< div class = "line" > < a id = "l00249" name = "l00249" > < / a > < span class = "lineno" > 249< / span > < span class = "preprocessor" > #endif < / span > < span class = "comment" > // OR_TOOLS_GLOP_RANK_ONE_UPDATE_H_< / span > < / div >
< div class = "ttc" id = "abase_2logging_8h_html" > < div class = "ttname" > < a href = "base_2logging_8h.html" > logging.h< / a > < / div > < / div >
2022-03-04 00:11:33 +01:00
< div class = "ttc" id = "abase_2logging_8h_html_ae17f8119c108cf3070bad3449c7e0006" > < div class = "ttname" > < a href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > < / div > < div class = "ttdeci" > #define DCHECK(condition)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00890" > base/logging.h:890< / a > < / div > < / div >
2022-01-17 21:42:14 +01:00
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_column_view_html_af69d9b7065a8f31604a8134be4307749" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_column_view.html#af69d9b7065a8f31604a8134be4307749" > operations_research::glop::ColumnView::num_entries< / a > < / div > < div class = "ttdeci" > EntryIndex num_entries() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sparse__column_8h_source.html#l00082" > sparse_column.h:82< / a > < / div > < / div >
< 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#l00289" > sparse.h:289< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_compact_sparse_matrix_html_a28058c5e9ff6638ea1ea210b49a4e7bc" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#a28058c5e9ff6638ea1ea210b49a4e7bc" > operations_research::glop::CompactSparseMatrix::ColumnCopyToDenseColumn< / a > < / div > < div class = "ttdeci" > void ColumnCopyToDenseColumn(ColIndex col, DenseColumn *dense_column) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sparse_8h_source.html#l00423" > sparse.h:423< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_compact_sparse_matrix_html_a6e49e4127a33039fcccc6e50380faefa" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#a6e49e4127a33039fcccc6e50380faefa" > operations_research::glop::CompactSparseMatrix::ColumnAddMultipleToSparseScatteredColumn< / a > < / div > < div class = "ttdeci" > void ColumnAddMultipleToSparseScatteredColumn(ColIndex col, Fractional multiplier, ScatteredColumn *column) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sparse_8h_source.html#l00410" > sparse.h:410< / a > < / div > < / div >
< 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#l00387" > sparse.h:387< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_compact_sparse_matrix_html_aea0e9a84b41c95c874f171cae97cf31b" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#aea0e9a84b41c95c874f171cae97cf31b" > operations_research::glop::CompactSparseMatrix::ColumnAddMultipleToDenseColumn< / a > < / div > < div class = "ttdeci" > void ColumnAddMultipleToDenseColumn(ColIndex col, Fractional multiplier, DenseColumn *dense_column) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sparse_8h_source.html#l00398" > sparse.h:398< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_compact_sparse_matrix_html_afbe7c81d6b4066bf7874299a0f7c0d59" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html#afbe7c81d6b4066bf7874299a0f7c0d59" > operations_research::glop::CompactSparseMatrix::column< / a > < / div > < div class = "ttdeci" > ColumnView column(ColIndex col) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sparse_8h_source.html#l00369" > sparse.h:369< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix_html" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix.html" > operations_research::glop::RankOneUpdateElementaryMatrix< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "rank__one__update_8h_source.html#l00038" > rank_one_update.h:38< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix_html_a2b9b2400ca71e53418ea88cff62d51ce" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix.html#a2b9b2400ca71e53418ea88cff62d51ce" > operations_research::glop::RankOneUpdateElementaryMatrix::RightMultiply< / a > < / div > < div class = "ttdeci" > void RightMultiply(DenseColumn *x) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "rank__one__update_8h_source.html#l00097" > rank_one_update.h:97< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix_html_a566dd7c5c7561c3cbc9241ebeddc094a" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix.html#a566dd7c5c7561c3cbc9241ebeddc094a" > operations_research::glop::RankOneUpdateElementaryMatrix::RankOneUpdateElementaryMatrix< / a > < / div > < div class = "ttdeci" > RankOneUpdateElementaryMatrix(const CompactSparseMatrix *storage, ColIndex u_index, ColIndex v_index, Fractional u_dot_v)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "rank__one__update_8h_source.html#l00046" > rank_one_update.h:46< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix_html_a6b5f31c4068711b8e6823f4888f410ce" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix.html#a6b5f31c4068711b8e6823f4888f410ce" > operations_research::glop::RankOneUpdateElementaryMatrix::LeftSolve< / a > < / div > < div class = "ttdeci" > void LeftSolve(DenseRow *y) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "rank__one__update_8h_source.html#l00079" > rank_one_update.h:79< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix_html_a6d91289298bf5d7a417105e06d8d1c46" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix.html#a6d91289298bf5d7a417105e06d8d1c46" > operations_research::glop::RankOneUpdateElementaryMatrix::LeftSolveWithNonZeros< / a > < / div > < div class = "ttdeci" > void LeftSolveWithNonZeros(ScatteredRow *y) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "rank__one__update_8h_source.html#l00086" > rank_one_update.h:86< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix_html_a6ec53ed3afa3d8affb6941568dcfec76" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix.html#a6ec53ed3afa3d8affb6941568dcfec76" > operations_research::glop::RankOneUpdateElementaryMatrix::RightSolve< / a > < / div > < div class = "ttdeci" > void RightSolve(DenseColumn *x) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "rank__one__update_8h_source.html#l00061" > rank_one_update.h:61< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix_html_a7409cd7e117d8f29d230729f73a7ed85" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix.html#a7409cd7e117d8f29d230729f73a7ed85" > operations_research::glop::RankOneUpdateElementaryMatrix::LeftMultiply< / a > < / div > < div class = "ttdeci" > void LeftMultiply(DenseRow *y) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "rank__one__update_8h_source.html#l00104" > rank_one_update.h:104< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix_html_a781425f29dc41d37c7d5f52dbd60bba5" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix.html#a781425f29dc41d37c7d5f52dbd60bba5" > operations_research::glop::RankOneUpdateElementaryMatrix::IsSingular< / a > < / div > < div class = "ttdeci" > bool IsSingular() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "rank__one__update_8h_source.html#l00057" > rank_one_update.h:57< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix_html_a86c372c611d33fb12aa3cd4a40880272" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix.html#a86c372c611d33fb12aa3cd4a40880272" > operations_research::glop::RankOneUpdateElementaryMatrix::RightSolveWithNonZeros< / a > < / div > < div class = "ttdeci" > void RightSolveWithNonZeros(ScatteredColumn *x) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "rank__one__update_8h_source.html#l00067" > rank_one_update.h:67< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix_html_af69d9b7065a8f31604a8134be4307749" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_rank_one_update_elementary_matrix.html#af69d9b7065a8f31604a8134be4307749" > operations_research::glop::RankOneUpdateElementaryMatrix::num_entries< / a > < / div > < div class = "ttdeci" > EntryIndex num_entries() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "rank__one__update_8h_source.html#l00110" > rank_one_update.h:110< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_rank_one_update_factorization_html" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_rank_one_update_factorization.html" > operations_research::glop::RankOneUpdateFactorization< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "rank__one__update_8h_source.html#l00133" > rank_one_update.h:133< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_rank_one_update_factorization_html_a0a02835bcd8b006bdc16cda3a72cd02a" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_rank_one_update_factorization.html#a0a02835bcd8b006bdc16cda3a72cd02a" > operations_research::glop::RankOneUpdateFactorization::RightSolveWithNonZeros< / a > < / div > < div class = "ttdeci" > void RightSolveWithNonZeros(ScatteredColumn *d) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "rank__one__update_8h_source.html#l00201" > rank_one_update.h:201< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_rank_one_update_factorization_html_a3cb026dc900190c13b208d24134755ed" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_rank_one_update_factorization.html#a3cb026dc900190c13b208d24134755ed" > operations_research::glop::RankOneUpdateFactorization::RightSolve< / a > < / div > < div class = "ttdeci" > void RightSolve(DenseColumn *d) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "rank__one__update_8h_source.html#l00190" > rank_one_update.h:190< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_rank_one_update_factorization_html_a6b5f31c4068711b8e6823f4888f410ce" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_rank_one_update_factorization.html#a6b5f31c4068711b8e6823f4888f410ce" > operations_research::glop::RankOneUpdateFactorization::LeftSolve< / a > < / div > < div class = "ttdeci" > void LeftSolve(DenseRow *y) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "rank__one__update_8h_source.html#l00155" > rank_one_update.h:155< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_rank_one_update_factorization_html_a6d91289298bf5d7a417105e06d8d1c46" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_rank_one_update_factorization.html#a6d91289298bf5d7a417105e06d8d1c46" > operations_research::glop::RankOneUpdateFactorization::LeftSolveWithNonZeros< / a > < / div > < div class = "ttdeci" > void LeftSolveWithNonZeros(ScatteredRow *y) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "rank__one__update_8h_source.html#l00165" > rank_one_update.h:165< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_rank_one_update_factorization_html_aa71d36872f416feaa853788a7a7a7ef8" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_rank_one_update_factorization.html#aa71d36872f416feaa853788a7a7a7ef8" > operations_research::glop::RankOneUpdateFactorization::Clear< / a > < / div > < div class = "ttdeci" > void Clear()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "rank__one__update_8h_source.html#l00143" > rank_one_update.h:143< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_rank_one_update_factorization_html_ac336bdc1a5faa992e9c015387a53b0b9" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_rank_one_update_factorization.html#ac336bdc1a5faa992e9c015387a53b0b9" > operations_research::glop::RankOneUpdateFactorization::ResetDeterministicTime< / a > < / div > < div class = "ttdeci" > void ResetDeterministicTime()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "rank__one__update_8h_source.html#l00235" > rank_one_update.h:235< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_rank_one_update_factorization_html_add6b4ac60241ef3e018ad1157e329949" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_rank_one_update_factorization.html#add6b4ac60241ef3e018ad1157e329949" > operations_research::glop::RankOneUpdateFactorization::DeterministicTimeSinceLastReset< / a > < / div > < div class = "ttdeci" > double DeterministicTimeSinceLastReset() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "rank__one__update_8h_source.html#l00234" > rank_one_update.h:234< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_rank_one_update_factorization_html_aed839e3b52e966f415f4f289701c51af" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_rank_one_update_factorization.html#aed839e3b52e966f415f4f289701c51af" > operations_research::glop::RankOneUpdateFactorization::Update< / a > < / div > < div class = "ttdeci" > void Update(const RankOneUpdateElementaryMatrix & update_matrix)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "rank__one__update_8h_source.html#l00149" > rank_one_update.h:149< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_rank_one_update_factorization_html_af69d9b7065a8f31604a8134be4307749" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_rank_one_update_factorization.html#af69d9b7065a8f31604a8134be4307749" > operations_research::glop::RankOneUpdateFactorization::num_entries< / a > < / div > < div class = "ttdeci" > EntryIndex num_entries() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "rank__one__update_8h_source.html#l00226" > rank_one_update.h:226< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_rank_one_update_factorization_html_afc72b7ff4d8f711d0e87fcc9fafa9b59" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_rank_one_update_factorization.html#afc72b7ff4d8f711d0e87fcc9fafa9b59" > operations_research::glop::RankOneUpdateFactorization::RankOneUpdateFactorization< / a > < / div > < div class = "ttdeci" > RankOneUpdateFactorization()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "rank__one__update_8h_source.html#l00137" > rank_one_update.h:137< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_rank_one_update_factorization_html_afcf383b6d3353520f4c1dabf0d16eca1" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_rank_one_update_factorization.html#afcf383b6d3353520f4c1dabf0d16eca1" > operations_research::glop::RankOneUpdateFactorization::set_hypersparse_ratio< / a > < / div > < div class = "ttdeci" > void set_hypersparse_ratio(double value)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "rank__one__update_8h_source.html#l00140" > rank_one_update.h:140< / 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, Fractional > < / a > < / div > < / div >
< div class = "ttc" id = "ademon__profiler_8cc_html_ac072af30c4ffbc834bb4c681f6ecb514" > < div class = "ttname" > < a href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > < / div > < div class = "ttdeci" > int64_t value< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "demon__profiler_8cc_source.html#l00044" > demon_profiler.cc:44< / a > < / div > < / div >
< 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 >
< div class = "ttc" id = "alp__types_8h_html" > < div class = "ttname" > < a href = "lp__types_8h.html" > lp_types.h< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1glop_html_a66f88d7a4bcc601c81b7d694bcfae840" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1glop.html#a66f88d7a4bcc601c81b7d694bcfae840" > operations_research::glop::IsAllFalse< / a > < / div > < div class = "ttdeci" > bool IsAllFalse(const BoolVector & v)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "lp__data_2lp__utils_8h_source.html#l00231" > lp_data/lp_utils.h:231< / a > < / div > < / div >
< 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#l00078" > lp_types.h:78< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1glop_html_aaa803ce9366dca251925e0bdde517430" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1glop.html#aaa803ce9366dca251925e0bdde517430" > operations_research::glop::Transpose< / a > < / div > < div class = "ttdeci" > const DenseRow & Transpose(const DenseColumn & col)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "lp__data_2lp__utils_8h_source.html#l00192" > lp_data/lp_utils.h:192< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1glop_html_aedb714d776d86539dbb9f42ae5d7d923" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1glop.html#aedb714d776d86539dbb9f42ae5d7d923" > operations_research::glop::DeterministicTimeForFpOperations< / a > < / div > < div class = "ttdeci" > static double DeterministicTimeForFpOperations(int64_t n)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "lp__types_8h_source.html#l00383" > lp_types.h:383< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_html" > < div class = "ttname" > < a href = "namespaceoperations__research.html" > operations_research< / a > < / div > < div class = "ttdoc" > Collection of objects used to extend the Constraint Solver library.< / 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 = "areturn__macros_8h_html_a6009315499028d98072d8f31834cf4f9" > < div class = "ttname" > < a href = "return__macros_8h.html#a6009315499028d98072d8f31834cf4f9" > RETURN_IF_NULL< / a > < / div > < div class = "ttdeci" > #define RETURN_IF_NULL(x)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "return__macros_8h_source.html#l00020" > return_macros.h:20< / a > < / div > < / div >
< div class = "ttc" id = "ascattered__vector_8h_html" > < div class = "ttname" > < a href = "scattered__vector_8h.html" > scattered_vector.h< / a > < / div > < / div >
< div class = "ttc" id = "asparse_8h_html" > < div class = "ttname" > < a href = "sparse_8h.html" > sparse.h< / a > < / div > < / div >
< div class = "ttc" id = "asparse__submatrix_8cc_html_a4d53eac2ef2732c28fa9fb663e0c19a7" > < div class = "ttname" > < a href = "sparse__submatrix_8cc.html#a4d53eac2ef2732c28fa9fb663e0c19a7" > end< / a > < / div > < div class = "ttdeci" > std::optional< int64_t > end< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sparse__submatrix_8cc_source.html#l00036" > sparse_submatrix.cc:36< / a > < / div > < / div >
2022-03-04 00:11:33 +01:00
< div class = "ttc" id = "astructoperations__research_1_1glop_1_1_scattered_column_html" > < div class = "ttname" > < a href = "structoperations__research_1_1glop_1_1_scattered_column.html" > operations_research::glop::ScatteredColumn< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "scattered__vector_8h_source.html#l00195" > scattered_vector.h:196< / 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#l00197" > scattered_vector.h:197< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1glop_1_1_scattered_vector_html_a582acb7e40cf171c7f0ab27aacd67823" > < div class = "ttname" > < a href = "structoperations__research_1_1glop_1_1_scattered_vector.html#a582acb7e40cf171c7f0ab27aacd67823" > operations_research::glop::ScatteredVector::RepopulateSparseMask< / a > < / div > < div class = "ttdeci" > void RepopulateSparseMask()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "scattered__vector_8h_source.html#l00144" > scattered_vector.h:144< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1glop_1_1_scattered_vector_html_a73934bd40690bdc3cbe36d6fbb0ecad5" > < div class = "ttname" > < a href = "structoperations__research_1_1glop_1_1_scattered_vector.html#a73934bd40690bdc3cbe36d6fbb0ecad5" > operations_research::glop::ScatteredVector::ShouldUseDenseIteration< / a > < / div > < div class = "ttdeci" > bool ShouldUseDenseIteration(double ratio_for_using_dense_representation) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "scattered__vector_8h_source.html#l00118" > scattered_vector.h:118< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1glop_1_1_scattered_vector_html_a824e6b41b839a9f0ce98b10d3b84046d" > < div class = "ttname" > < a href = "structoperations__research_1_1glop_1_1_scattered_vector.html#a824e6b41b839a9f0ce98b10d3b84046d" > operations_research::glop::ScatteredVector::ClearSparseMask< / a > < / div > < div class = "ttdeci" > void ClearSparseMask()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "scattered__vector_8h_source.html#l00131" > scattered_vector.h:131< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1glop_1_1_scattered_vector_html_aa01dd1032c527cbadf34ea39a02f799e" > < div class = "ttname" > < a href = "structoperations__research_1_1glop_1_1_scattered_vector.html#aa01dd1032c527cbadf34ea39a02f799e" > operations_research::glop::ScatteredVector::ClearNonZerosIfTooDense< / a > < / div > < div class = "ttdeci" > void ClearNonZerosIfTooDense(double ratio_for_using_dense_representation)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "scattered__vector_8h_source.html#l00151" > scattered_vector.h:151< / 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#l00061" > scattered_vector.h:61< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1glop_1_1_scattered_vector_html_ac194aeeb3d13767546d461312169d86f" > < div class = "ttname" > < a href = "structoperations__research_1_1glop_1_1_scattered_vector.html#ac194aeeb3d13767546d461312169d86f" > operations_research::glop::ScatteredVector::is_non_zero< / a > < / div > < div class = "ttdeci" > StrictITIVector< Index, bool > is_non_zero< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "scattered__vector_8h_source.html#l00066" > scattered_vector.h:66< / a > < / div > < / div >
< 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#l00056" > scattered_vector.h:56< / a > < / div > < / div >
2021-01-26 11:28:50 +01:00
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