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< a href = "pricing_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_PRICING_H_< / span > < / div >
< div class = "line" > < a id = "l00015" name = "l00015" > < / a > < span class = "lineno" > 15< / span > < span class = "preprocessor" > #define OR_TOOLS_GLOP_PRICING_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 " absl/random/bit_gen_ref.h" < / span > < / div >
< div class = "line" > < a id = "l00018" name = "l00018" > < / a > < span class = "lineno" > 18< / span > < span class = "preprocessor" > #include " absl/random/random.h" < / 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__types_8h.html" > ortools/lp_data/lp_types.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 = "bitset_8h.html" > ortools/util/bitset.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 = "stats_8h.html" > ortools/util/stats.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" > // Maintains a set of elements in [0, n), each with an associated value and< / span > < / div >
< div class = "line" > < a id = "l00027" name = "l00027" > < / a > < span class = "lineno" > 27< / span > < span class = "comment" > // allows to query the element of maximum value efficiently.< / span > < / div >
< div class = "line" > < a id = "l00028" name = "l00028" > < / a > < span class = "lineno" > 28< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00029" name = "l00029" > < / a > < span class = "lineno" > 29< / span > < span class = "comment" > // This is optimized for use in the pricing step of the simplex algorithm.< / span > < / div >
< div class = "line" > < a id = "l00030" name = "l00030" > < / a > < span class = "lineno" > 30< / span > < span class = "comment" > // Basically at each simplex iterations, you want to:< / 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" > // 1/ Get the candidate with the maximum value. The number of candidates< / span > < / div >
< div class = "line" > < a id = "l00033" name = "l00033" > < / a > < span class = "lineno" > 33< / span > < span class = "comment" > // can be close to n, or really small. You also want some randomization if< / span > < / div >
< div class = "line" > < a id = "l00034" name = "l00034" > < / a > < span class = "lineno" > 34< / span > < span class = "comment" > // several elements have an equivalent (maximum) value.< / span > < / div >
< div class = "line" > < a id = "l00035" name = "l00035" > < / a > < span class = "lineno" > 35< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00036" name = "l00036" > < / a > < span class = "lineno" > 36< / span > < span class = "comment" > // 2/ Update the set of candidate and their values, where the number of update< / span > < / div >
< div class = "line" > < a id = "l00037" name = "l00037" > < / a > < span class = "lineno" > 37< / span > < span class = "comment" > // is usually a lot smaller than n. Note that in some corner cases, there are< / span > < / div >
< div class = "line" > < a id = "l00038" name = "l00038" > < / a > < span class = "lineno" > 38< / span > < span class = "comment" > // two " updates" phases, so a position can be updated twice.< / span > < / div >
< div class = "line" > < a id = "l00039" name = "l00039" > < / a > < span class = "lineno" > 39< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00040" name = "l00040" > < / a > < span class = "lineno" > 40< / span > < span class = "comment" > // The idea is to be faster than O(num_candidates) per GetMaximum(), most of the< / span > < / div >
< div class = "line" > < a id = "l00041" name = "l00041" > < / a > < span class = "lineno" > 41< / span > < span class = "comment" > // time. All updates should be in O(1) with as little overhead as possible. The< / span > < / div >
< div class = "line" > < a id = "l00042" name = "l00042" > < / a > < span class = "lineno" > 42< / span > < span class = "comment" > // algorithm here dynamically maintain the top-k (for k=32) with best effort and< / span > < / div >
< div class = "line" > < a id = "l00043" name = "l00043" > < / a > < span class = "lineno" > 43< / span > < span class = "comment" > // use it instead of doing a O(num_candidates) scan when possible.< / span > < / div >
< div class = "line" > < a id = "l00044" name = "l00044" > < / a > < span class = "lineno" > 44< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00045" name = "l00045" > < / a > < span class = "lineno" > 45< / span > < span class = "comment" > // Note that when O(num_updates) < < n, this can have a huge effect. A basic O(1)< / span > < / div >
< div class = "line" > < a id = "l00046" name = "l00046" > < / a > < span class = "lineno" > 46< / span > < span class = "comment" > // per update, O(num_candidates) per maximum query was taking around 60% of the< / span > < / div >
< div class = "line" > < a id = "l00047" name = "l00047" > < / a > < span class = "lineno" > 47< / span > < span class = "comment" > // total time on graph40-80-1rand.pb.gz ! with the top-32 algo coded here, it is< / span > < / div >
< div class = "line" > < a id = "l00048" name = "l00048" > < / a > < span class = "lineno" > 48< / span > < span class = "comment" > // around 3%, and the number of " fast" GetMaximum() that hit the top-k heap on< / span > < / div >
< div class = "line" > < a id = "l00049" name = "l00049" > < / a > < span class = "lineno" > 49< / span > < span class = "comment" > // the first 120s of that problem was 250757 / 255659. Note that n was 282624 in< / span > < / div >
< div class = "line" > < a id = "l00050" name = "l00050" > < / a > < span class = "lineno" > 50< / span > < span class = "comment" > // this case, which is not even the biggest size we can tackle.< / span > < / div >
< div class = "line" > < a id = "l00051" name = "l00051" > < / a > < span class = "lineno" > 51< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00052" name = "l00052" > < / a > < span class = "lineno" > 52< / span > < span class = "comment" > // Note(user): This could be moved to util/ as a general class if someone wants< / span > < / div >
< div class = "line" > < a id = "l00053" name = "l00053" > < / a > < span class = "lineno" > 53< / span > < span class = "comment" > // to reuse it, it is however tunned for use in Glop pricing step and might< / span > < / div >
< div class = "line" > < a id = "l00054" name = "l00054" > < / a > < span class = "lineno" > 54< / span > < span class = "comment" > // becomes even more specific in the future.< / span > < / div >
< div class = "line" > < a id = "l00055" name = "l00055" > < / a > < span class = "lineno" > 55< / span > < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > Index> < / div >
< div class = "line" > < a id = "l00056" name = "l00056" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html" > 56< / a > < / span > < span class = "keyword" > class < / span > < a class = "code hl_class" href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html" > DynamicMaximum< / a > {< / div >
< div class = "line" > < a id = "l00057" name = "l00057" > < / a > < span class = "lineno" > 57< / span > < span class = "keyword" > public< / span > :< / div >
< div class = "line" > < a id = "l00058" name = "l00058" > < / a > < span class = "lineno" > 58< / span > < span class = "comment" > // To simplify the APIs, we take a random number generator at construction.< / span > < / div >
< div class = "line" > < a id = "l00059" name = "l00059" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#a2b42bfa1c96806cf7504a5e8890fd56f" > 59< / a > < / span > < span class = "keyword" > explicit< / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#a2b42bfa1c96806cf7504a5e8890fd56f" > DynamicMaximum< / a > (absl::BitGenRef random) : random_(random) {}< / div >
< div class = "line" > < a id = "l00060" name = "l00060" > < / a > < span class = "lineno" > 60< / span > < / div >
< div class = "line" > < a id = "l00061" name = "l00061" > < / a > < span class = "lineno" > 61< / span > < span class = "comment" > // Prepares the class to hold up to n candidates with indices in [0, n).< / span > < / div >
< div class = "line" > < a id = "l00062" name = "l00062" > < / a > < span class = "lineno" > 62< / span > < span class = "comment" > // Initially no indices is a candidate.< / span > < / div >
< div class = "line" > < a id = "l00063" name = "l00063" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#a783736d86811c9bc5a68dd8ff1890192" > 63< / a > < / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#a783736d86811c9bc5a68dd8ff1890192" > ClearAndResize< / a > (< a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#ac89c7b45754e9a6bdabc08bea586fc4e" > Index< / a > n);< / div >
< div class = "line" > < a id = "l00064" name = "l00064" > < / a > < span class = "lineno" > 64< / span > < / div >
< div class = "line" > < a id = "l00065" name = "l00065" > < / a > < span class = "lineno" > 65< / span > < span class = "comment" > // Returns the index with the maximum value or Index(-1) if the set is empty< / span > < / div >
< div class = "line" > < a id = "l00066" name = "l00066" > < / a > < span class = "lineno" > 66< / span > < span class = "comment" > // and there is no possible candidate. If there are more than one candidate< / span > < / div >
< div class = "line" > < a id = "l00067" name = "l00067" > < / a > < span class = "lineno" > 67< / span > < span class = "comment" > // with the same maximum value, this will return a random one (not always< / span > < / div >
< div class = "line" > < a id = "l00068" name = "l00068" > < / a > < span class = "lineno" > 68< / span > < span class = "comment" > // uniformly if there is a large number of ties).< / span > < / div >
< div class = "line" > < a id = "l00069" name = "l00069" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#ae9e909718fc3aa8d0c968ef9a35f495b" > 69< / a > < / span > < a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#ac89c7b45754e9a6bdabc08bea586fc4e" > Index< / a > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#ae9e909718fc3aa8d0c968ef9a35f495b" > GetMaximum< / a > ();< / div >
< div class = "line" > < a id = "l00070" name = "l00070" > < / a > < span class = "lineno" > 70< / span > < / div >
< div class = "line" > < a id = "l00071" name = "l00071" > < / a > < span class = "lineno" > 71< / span > < span class = "comment" > // Removes the given index from the set of candidates.< / span > < / div >
< div class = "line" > < a id = "l00072" name = "l00072" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#a06262520df93f238136b5f3fa7dd41ab" > 72< / a > < / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#a06262520df93f238136b5f3fa7dd41ab" > Remove< / a > (< a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#ac89c7b45754e9a6bdabc08bea586fc4e" > Index< / a > position);< / div >
< div class = "line" > < a id = "l00073" name = "l00073" > < / a > < span class = "lineno" > 73< / span > < / div >
< div class = "line" > < a id = "l00074" name = "l00074" > < / a > < span class = "lineno" > 74< / span > < span class = "comment" > // Adds an element to the set of candidate and sets its value. If the element< / span > < / div >
< div class = "line" > < a id = "l00075" name = "l00075" > < / a > < span class = "lineno" > 75< / span > < span class = "comment" > // is already present, this updates its value. The value must be finite.< / span > < / div >
< div class = "line" > < a id = "l00076" name = "l00076" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#a0288e565c7950baedeafd9d866f27f79" > 76< / a > < / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#a0288e565c7950baedeafd9d866f27f79" > AddOrUpdate< / a > (< a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#ac89c7b45754e9a6bdabc08bea586fc4e" > Index< / a > position, < a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > Fractional< / a > < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
< div class = "line" > < a id = "l00077" name = "l00077" > < / a > < span class = "lineno" > 77< / span > < / div >
< div class = "line" > < a id = "l00078" name = "l00078" > < / a > < span class = "lineno" > 78< / span > < span class = "comment" > // Optimized version of AddOrUpdate() for the dense case. If one knows that< / span > < / div >
< div class = "line" > < a id = "l00079" name = "l00079" > < / a > < span class = "lineno" > 79< / span > < span class = "comment" > // there will be O(n) updates, it is possible to call StartDenseUpdates() and< / span > < / div >
< div class = "line" > < a id = "l00080" name = "l00080" > < / a > < span class = "lineno" > 80< / span > < span class = "comment" > // then use DenseAddOrUpdate() instead of AddOrUpdate() which is slighlty< / span > < / div >
< div class = "line" > < a id = "l00081" name = "l00081" > < / a > < span class = "lineno" > 81< / span > < span class = "comment" > // faster.< / span > < / div >
< div class = "line" > < a id = "l00082" name = "l00082" > < / a > < span class = "lineno" > 82< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00083" name = "l00083" > < / a > < span class = "lineno" > 83< / span > < span class = "comment" > // Note that calling AddOrUpdate() will still works fine, but will cause an< / span > < / div >
< div class = "line" > < a id = "l00084" name = "l00084" > < / a > < span class = "lineno" > 84< / span > < span class = "comment" > // extra test per call.< / span > < / div >
< div class = "line" > < a id = "l00085" name = "l00085" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#a18ec8750a372cc4b685f043056912566" > 85< / a > < / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#a18ec8750a372cc4b685f043056912566" > StartDenseUpdates< / a > ();< / div >
< div class = "line" > < a id = "l00086" name = "l00086" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#a342bfaf1266d12b6202742bb5262f5d1" > 86< / a > < / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#a342bfaf1266d12b6202742bb5262f5d1" > DenseAddOrUpdate< / a > (< a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#ac89c7b45754e9a6bdabc08bea586fc4e" > Index< / a > position, < a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > Fractional< / a > < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
< div class = "line" > < a id = "l00087" name = "l00087" > < / a > < span class = "lineno" > 87< / span > < / div >
< div class = "line" > < a id = "l00088" name = "l00088" > < / a > < span class = "lineno" > 88< / span > < span class = "comment" > // Returns the current size n that was used in the last ClearAndResize().< / span > < / div >
< div class = "line" > < a id = "l00089" name = "l00089" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#aa71d36872f416feaa853788a7a7a7ef8" > 89< / a > < / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#aa71d36872f416feaa853788a7a7a7ef8" > Clear< / a > () { < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#a783736d86811c9bc5a68dd8ff1890192" > ClearAndResize< / a > (< a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#ac89c7b45754e9a6bdabc08bea586fc4e" > Index< / a > (0)); }< / div >
< div class = "line" > < a id = "l00090" name = "l00090" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#a647917658f096ec35e9a14eaf4e1a7e3" > 90< / a > < / span > < a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#ac89c7b45754e9a6bdabc08bea586fc4e" > Index< / a > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#a647917658f096ec35e9a14eaf4e1a7e3" > Size< / a > ()< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > values_.< a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_strict_i_t_i_vector.html#a967a5c081ad4195a30c78dc2c0bcabf5" > size< / a > (); }< / div >
< div class = "line" > < a id = "l00091" name = "l00091" > < / a > < span class = "lineno" > 91< / span > < / div >
< div class = "line" > < a id = "l00092" name = "l00092" > < / a > < span class = "lineno" > 92< / span > < span class = "comment" > // Returns some stats about this class if they are enabled.< / span > < / div >
< div class = "line" > < a id = "l00093" name = "l00093" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#af9bc435481ae9e6e60d66a65d5394a7f" > 93< / a > < / span > std::string < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#af9bc435481ae9e6e60d66a65d5394a7f" > StatString< / a > ()< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > stats_.StatString(); }< / 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 > < span class = "keyword" > private< / span > :< / div >
< div class = "line" > < a id = "l00096" name = "l00096" > < / a > < span class = "lineno" > 96< / span > < span class = "comment" > // Adds an elements to the set of top elements.< / span > < / div >
< div class = "line" > < a id = "l00097" name = "l00097" > < / a > < span class = "lineno" > 97< / span > < span class = "keywordtype" > void< / span > UpdateTopK(< a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#ac89c7b45754e9a6bdabc08bea586fc4e" > Index< / a > position, < a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > Fractional< / a > < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
< div class = "line" > < a id = "l00098" name = "l00098" > < / a > < span class = "lineno" > 98< / span > < / div >
< div class = "line" > < a id = "l00099" name = "l00099" > < / a > < span class = "lineno" > 99< / span > < span class = "comment" > // Returns a random element from the set {best} U {equivalent_choices_}.< / span > < / div >
< div class = "line" > < a id = "l00100" name = "l00100" > < / a > < span class = "lineno" > 100< / span > < span class = "comment" > // If equivalent_choices_ is empty, this just returns best.< / span > < / div >
< div class = "line" > < a id = "l00101" name = "l00101" > < / a > < span class = "lineno" > 101< / span > < a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#ac89c7b45754e9a6bdabc08bea586fc4e" > Index< / a > RandomizeIfManyChoices(< a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#ac89c7b45754e9a6bdabc08bea586fc4e" > Index< / a > best);< / 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" > // For tie-breaking.< / span > < / div >
< div class = "line" > < a id = "l00104" name = "l00104" > < / a > < span class = "lineno" > 104< / span > absl::BitGenRef random_;< / div >
< div class = "line" > < a id = "l00105" name = "l00105" > < / a > < span class = "lineno" > 105< / span > std::vector< Index> equivalent_choices_;< / div >
< div class = "line" > < a id = "l00106" name = "l00106" > < / a > < span class = "lineno" > 106< / span > < / div >
< div class = "line" > < a id = "l00107" name = "l00107" > < / a > < span class = "lineno" > 107< / span > < span class = "comment" > // Set of candidates and their value.< / span > < / div >
< div class = "line" > < a id = "l00108" name = "l00108" > < / a > < span class = "lineno" > 108< / span > < span class = "comment" > // Note that if is_candidate_[index] is false, values_[index] can be anything.< / span > < / div >
< div class = "line" > < a id = "l00109" name = "l00109" > < / a > < span class = "lineno" > 109< / span > < a class = "code hl_class" href = "classoperations__research_1_1glop_1_1_strict_i_t_i_vector.html" > StrictITIVector< Index, Fractional> < / a > values_;< / div >
< div class = "line" > < a id = "l00110" name = "l00110" > < / a > < span class = "lineno" > 110< / span > < a class = "code hl_class" href = "classoperations__research_1_1_bitset64.html" > Bitset64< Index> < / a > is_candidate_;< / div >
< div class = "line" > < a id = "l00111" name = "l00111" > < / a > < span class = "lineno" > 111< / span > < / div >
< div class = "line" > < a id = "l00112" name = "l00112" > < / a > < span class = "lineno" > 112< / span > < span class = "comment" > // We maintain the top-k current candidates for a fixed k. Note that not all< / span > < / div >
< div class = "line" > < a id = "l00113" name = "l00113" > < / a > < span class = "lineno" > 113< / span > < span class = "comment" > // entries in tops_ are necessary up to date since we don' t remove elements.< / span > < / div >
< div class = "line" > < a id = "l00114" name = "l00114" > < / a > < span class = "lineno" > 114< / span > < span class = "comment" > // There can even be duplicate elements inside if Update() add an element< / span > < / div >
< div class = "line" > < a id = "l00115" name = "l00115" > < / a > < span class = "lineno" > 115< / span > < span class = "comment" > // already inside. This is fine, since tops_ will be recomputed as soon as we< / span > < / div >
< div class = "line" > < a id = "l00116" name = "l00116" > < / a > < span class = "lineno" > 116< / span > < span class = "comment" > // can' t get the true maximum from there.< / span > < / div >
< div class = "line" > < a id = "l00117" name = "l00117" > < / a > < span class = "lineno" > 117< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00118" name = "l00118" > < / a > < span class = "lineno" > 118< / span > < span class = "comment" > // The invariant is that:< / span > < / div >
< div class = "line" > < a id = "l00119" name = "l00119" > < / a > < span class = "lineno" > 119< / span > < span class = "comment" > // - All elements > threshold_ are in tops_.< / span > < / div >
< div class = "line" > < a id = "l00120" name = "l00120" > < / a > < span class = "lineno" > 120< / span > < span class = "comment" > // - All elements not in tops have a value < = threshold_.< / span > < / div >
< div class = "line" > < a id = "l00121" name = "l00121" > < / a > < span class = "lineno" > 121< / span > < span class = "comment" > // - elements == threshold_ can be in or out.< / span > < / div >
< div class = "line" > < a id = "l00122" name = "l00122" > < / a > < span class = "lineno" > 122< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00123" name = "l00123" > < / a > < span class = "lineno" > 123< / span > < span class = "comment" > // In particular, the threshold only increase until the heap becomes empty and< / span > < / div >
< div class = "line" > < a id = "l00124" name = "l00124" > < / a > < span class = "lineno" > 124< / span > < span class = "comment" > // is recomputed from scratch by GetMaximum().< / span > < / div >
< div class = "line" > < a id = "l00125" name = "l00125" > < / a > < span class = "lineno" > 125< / span > < span class = "keyword" > struct < / span > HeapElement {< / div >
< div class = "line" > < a id = "l00126" name = "l00126" > < / a > < span class = "lineno" > 126< / span > HeapElement() {}< / div >
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< div class = "line" > < a id = "l00127" name = "l00127" > < / a > < span class = "lineno" > 127< / span > HeapElement(< a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#ac89c7b45754e9a6bdabc08bea586fc4e" > Index< / a > i, < a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > Fractional< / a > v) : < a class = "code hl_variable" href = "local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > (i), < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > (v) {}< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00128" name = "l00128" > < / a > < span class = "lineno" > 128< / span > < / div >
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< div class = "line" > < a id = "l00129" name = "l00129" > < / a > < span class = "lineno" > 129< / span > < a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#ac89c7b45754e9a6bdabc08bea586fc4e" > Index< / a > < a class = "code hl_variable" href = "local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > ;< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00130" name = "l00130" > < / a > < span class = "lineno" > 130< / span > < a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > Fractional< / a > < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ;< / div >
< div class = "line" > < a id = "l00131" name = "l00131" > < / a > < span class = "lineno" > 131< / span > < / div >
< div class = "line" > < a id = "l00132" name = "l00132" > < / a > < span class = "lineno" > 132< / span > < span class = "comment" > // We want a min-heap: tops_.top() actually represents the k-th value, not< / span > < / div >
< div class = "line" > < a id = "l00133" name = "l00133" > < / a > < span class = "lineno" > 133< / span > < span class = "comment" > // the max.< / span > < / div >
< div class = "line" > < a id = "l00134" name = "l00134" > < / a > < span class = "lineno" > 134< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > double< / span > operator< (< span class = "keyword" > const< / span > HeapElement& other)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a id = "l00135" name = "l00135" > < / a > < span class = "lineno" > 135< / span > < span class = "keywordflow" > return< / span > < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > > other.value;< / div >
< div class = "line" > < a id = "l00136" name = "l00136" > < / a > < span class = "lineno" > 136< / span > }< / div >
< div class = "line" > < a id = "l00137" name = "l00137" > < / a > < span class = "lineno" > 137< / span > };< / div >
< div class = "line" > < a id = "l00138" name = "l00138" > < / a > < span class = "lineno" > 138< / span > < a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > Fractional< / a > threshold_;< / div >
< div class = "line" > < a id = "l00139" name = "l00139" > < / a > < span class = "lineno" > 139< / span > std::vector< HeapElement> tops_;< / div >
< div class = "line" > < a id = "l00140" name = "l00140" > < / a > < span class = "lineno" > 140< / span > < / div >
< div class = "line" > < a id = "l00141" name = "l00141" > < / a > < span class = "lineno" > 141< / span > < span class = "comment" > // Statistics about the class.< / span > < / div >
< div class = "line" > < a id = "l00142" name = "l00142" > < / a > < span class = "lineno" > 142< / span > < span class = "keyword" > struct < / span > QueryStats : < span class = "keyword" > public< / span > StatsGroup {< / div >
< div class = "line" > < a id = "l00143" name = "l00143" > < / a > < span class = "lineno" > 143< / span > QueryStats()< / div >
< div class = "line" > < a id = "l00144" name = "l00144" > < / a > < span class = "lineno" > 144< / span > : < a class = "code hl_function" href = "classoperations__research_1_1_stats_group.html#ad3718c845372a46a063163204783b7ca" > StatsGroup< / a > (< span class = "stringliteral" > " PricingStats" < / span > ),< / div >
< div class = "line" > < a id = "l00145" name = "l00145" > < / a > < span class = "lineno" > 145< / span > get_maximum(< span class = "stringliteral" > " get_maximum" < / span > , this),< / div >
< div class = "line" > < a id = "l00146" name = "l00146" > < / a > < span class = "lineno" > 146< / span > heap_size_on_hit(< span class = "stringliteral" > " heap_size_on_hit" < / span > , this),< / div >
< div class = "line" > < a id = "l00147" name = "l00147" > < / a > < span class = "lineno" > 147< / span > random_choices(< span class = "stringliteral" > " random_choices" < / span > , this) {}< / div >
< div class = "line" > < a id = "l00148" name = "l00148" > < / a > < span class = "lineno" > 148< / span > TimeDistribution get_maximum;< / div >
< div class = "line" > < a id = "l00149" name = "l00149" > < / a > < span class = "lineno" > 149< / span > IntegerDistribution heap_size_on_hit;< / div >
< div class = "line" > < a id = "l00150" name = "l00150" > < / a > < span class = "lineno" > 150< / span > IntegerDistribution random_choices;< / div >
< div class = "line" > < a id = "l00151" name = "l00151" > < / a > < span class = "lineno" > 151< / span > };< / div >
< div class = "line" > < a id = "l00152" name = "l00152" > < / a > < span class = "lineno" > 152< / span > QueryStats stats_;< / 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 > < / div >
< div class = "line" > < a id = "l00155" name = "l00155" > < / a > < span class = "lineno" > 155< / span > < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > Index> < / div >
< div class = "line" > < a id = "l00156" name = "l00156" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#a783736d86811c9bc5a68dd8ff1890192" > 156< / a > < / span > < span class = "keyword" > inline< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#a783736d86811c9bc5a68dd8ff1890192" > DynamicMaximum< Index> ::ClearAndResize< / a > (< a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#ac89c7b45754e9a6bdabc08bea586fc4e" > Index< / a > n) {< / div >
< div class = "line" > < a id = "l00157" name = "l00157" > < / a > < span class = "lineno" > 157< / span > tops_.clear();< / div >
< div class = "line" > < a id = "l00158" name = "l00158" > < / a > < span class = "lineno" > 158< / span > threshold_ = -< a class = "code hl_variable" href = "namespaceoperations__research_1_1glop.html#af9a790b7e8c5b0c6d55b336177378e78" > kInfinity< / a > ;< / div >
< div class = "line" > < a id = "l00159" name = "l00159" > < / a > < span class = "lineno" > 159< / span > values_.resize(n);< / div >
< div class = "line" > < a id = "l00160" name = "l00160" > < / a > < span class = "lineno" > 160< / span > is_candidate_.ClearAndResize(n);< / 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 = "keyword" > template< / span > < < span class = "keyword" > typename< / span > Index> < / div >
< div class = "line" > < a id = "l00164" name = "l00164" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#a06262520df93f238136b5f3fa7dd41ab" > 164< / a > < / span > < span class = "keyword" > inline< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#a06262520df93f238136b5f3fa7dd41ab" > DynamicMaximum< Index> ::Remove< / a > (< a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#ac89c7b45754e9a6bdabc08bea586fc4e" > Index< / a > position) {< / div >
< div class = "line" > < a id = "l00165" name = "l00165" > < / a > < span class = "lineno" > 165< / span > is_candidate_.Clear(position);< / div >
< div class = "line" > < a id = "l00166" name = "l00166" > < / a > < span class = "lineno" > 166< / span > }< / div >
< div class = "line" > < a id = "l00167" name = "l00167" > < / a > < span class = "lineno" > 167< / span > < / div >
< div class = "line" > < a id = "l00168" name = "l00168" > < / a > < span class = "lineno" > 168< / span > < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > Index> < / div >
< div class = "line" > < a id = "l00169" name = "l00169" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#a18ec8750a372cc4b685f043056912566" > 169< / a > < / span > < span class = "keyword" > inline< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#a18ec8750a372cc4b685f043056912566" > DynamicMaximum< Index> ::StartDenseUpdates< / a > () {< / div >
< div class = "line" > < a id = "l00170" name = "l00170" > < / a > < span class = "lineno" > 170< / span > < span class = "comment" > // This disable tops_ until the next GetMaximum().< / span > < / div >
< div class = "line" > < a id = "l00171" name = "l00171" > < / a > < span class = "lineno" > 171< / span > tops_.clear();< / div >
< div class = "line" > < a id = "l00172" name = "l00172" > < / a > < span class = "lineno" > 172< / span > threshold_ = < a class = "code hl_variable" href = "namespaceoperations__research_1_1glop.html#af9a790b7e8c5b0c6d55b336177378e78" > kInfinity< / a > ;< / div >
< div class = "line" > < a id = "l00173" name = "l00173" > < / a > < span class = "lineno" > 173< / span > }< / div >
< div class = "line" > < a id = "l00174" name = "l00174" > < / a > < span class = "lineno" > 174< / span > < / div >
< div class = "line" > < a id = "l00175" name = "l00175" > < / a > < span class = "lineno" > 175< / span > < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > Index> < / div >
< div class = "line" > < a id = "l00176" name = "l00176" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#a342bfaf1266d12b6202742bb5262f5d1" > 176< / a > < / span > < span class = "keyword" > inline< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#a342bfaf1266d12b6202742bb5262f5d1" > DynamicMaximum< Index> ::DenseAddOrUpdate< / a > (< a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#ac89c7b45754e9a6bdabc08bea586fc4e" > Index< / a > position,< / div >
< div class = "line" > < a id = "l00177" name = "l00177" > < / a > < span class = "lineno" > 177< / span > < a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > Fractional< / a > < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ) {< / div >
< div class = "line" > < a id = "l00178" name = "l00178" > < / a > < span class = "lineno" > 178< / 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#a95879916d90daeba91c40399ae5ddcc6" > IsFinite< / a > (< a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ));< / div >
< div class = "line" > < a id = "l00179" name = "l00179" > < / a > < span class = "lineno" > 179< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (tops_.empty());< / div >
< div class = "line" > < a id = "l00180" name = "l00180" > < / a > < span class = "lineno" > 180< / span > is_candidate_.Set(position);< / div >
< div class = "line" > < a id = "l00181" name = "l00181" > < / a > < span class = "lineno" > 181< / span > values_[position] = < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ;< / 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 > < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > Index> < / div >
< div class = "line" > < a id = "l00185" name = "l00185" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#a0288e565c7950baedeafd9d866f27f79" > 185< / a > < / span > < span class = "keyword" > inline< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#a0288e565c7950baedeafd9d866f27f79" > DynamicMaximum< Index> ::AddOrUpdate< / a > (< a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#ac89c7b45754e9a6bdabc08bea586fc4e" > Index< / a > position,< / div >
< div class = "line" > < a id = "l00186" name = "l00186" > < / a > < span class = "lineno" > 186< / span > < a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > Fractional< / a > < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ) {< / div >
< div class = "line" > < a id = "l00187" name = "l00187" > < / a > < span class = "lineno" > 187< / 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#a95879916d90daeba91c40399ae5ddcc6" > IsFinite< / a > (< a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ));< / div >
< div class = "line" > < a id = "l00188" name = "l00188" > < / a > < span class = "lineno" > 188< / span > is_candidate_.Set(position);< / div >
< div class = "line" > < a id = "l00189" name = "l00189" > < / a > < span class = "lineno" > 189< / span > values_[position] = < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ;< / div >
< div class = "line" > < a id = "l00190" name = "l00190" > < / a > < span class = "lineno" > 190< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > > = threshold_) UpdateTopK(position, < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
< div class = "line" > < a id = "l00191" name = "l00191" > < / a > < span class = "lineno" > 191< / span > }< / div >
< div class = "line" > < a id = "l00192" name = "l00192" > < / a > < span class = "lineno" > 192< / span > < / div >
< div class = "line" > < a id = "l00193" name = "l00193" > < / a > < span class = "lineno" > 193< / span > < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > Index> < / div >
< div class = "line" > < a id = "l00194" name = "l00194" > < / a > < span class = "lineno" > 194< / span > < span class = "keyword" > inline< / span > < a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#ac89c7b45754e9a6bdabc08bea586fc4e" > Index< / a > < a class = "code hl_class" href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html" > DynamicMaximum< Index> ::RandomizeIfManyChoices< / a > (< a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#ac89c7b45754e9a6bdabc08bea586fc4e" > Index< / a > best) {< / div >
< div class = "line" > < a id = "l00195" name = "l00195" > < / a > < span class = "lineno" > 195< / span > < span class = "keywordflow" > if< / span > (equivalent_choices_.empty()) < span class = "keywordflow" > return< / span > best;< / div >
< div class = "line" > < a id = "l00196" name = "l00196" > < / a > < span class = "lineno" > 196< / span > equivalent_choices_.push_back(best);< / div >
< div class = "line" > < a id = "l00197" name = "l00197" > < / a > < span class = "lineno" > 197< / span > stats_.random_choices.Add(equivalent_choices_.size());< / 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 = "keywordflow" > return< / span > equivalent_choices_[std::uniform_int_distribution< int> (< / div >
< div class = "line" > < a id = "l00200" name = "l00200" > < / a > < span class = "lineno" > 200< / span > 0, equivalent_choices_.size() - 1)(random_)];< / div >
< div class = "line" > < a id = "l00201" name = "l00201" > < / a > < span class = "lineno" > 201< / span > }< / div >
< div class = "line" > < a id = "l00202" name = "l00202" > < / a > < span class = "lineno" > 202< / span > < / div >
< div class = "line" > < a id = "l00203" name = "l00203" > < / a > < span class = "lineno" > 203< / span > < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > Index> < / div >
< div class = "line" > < a id = "l00204" name = "l00204" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#ae9e909718fc3aa8d0c968ef9a35f495b" > 204< / a > < / span > < span class = "keyword" > inline< / span > < a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#ac89c7b45754e9a6bdabc08bea586fc4e" > Index< / a > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#ae9e909718fc3aa8d0c968ef9a35f495b" > DynamicMaximum< Index> ::GetMaximum< / a > () {< / div >
< div class = "line" > < a id = "l00205" name = "l00205" > < / a > < span class = "lineno" > 205< / span > < a class = "code hl_define" href = "stats_8h.html#a9995704aaaf45fc21e08c847551a8d04" > SCOPED_TIME_STAT< / a > (& stats_);< / div >
< div class = "line" > < a id = "l00206" name = "l00206" > < / a > < span class = "lineno" > 206< / span > < a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > Fractional< / a > best_value = -< a class = "code hl_variable" href = "namespaceoperations__research_1_1glop.html#af9a790b7e8c5b0c6d55b336177378e78" > kInfinity< / a > ;< / div >
< div class = "line" > < a id = "l00207" name = "l00207" > < / a > < span class = "lineno" > 207< / span > < a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#ac89c7b45754e9a6bdabc08bea586fc4e" > Index< / a > best_position(-1);< / div >
< div class = "line" > < a id = "l00208" name = "l00208" > < / a > < span class = "lineno" > 208< / span > equivalent_choices_.clear();< / div >
< div class = "line" > < a id = "l00209" name = "l00209" > < / a > < span class = "lineno" > 209< / span > < / div >
< div class = "line" > < a id = "l00210" name = "l00210" > < / a > < span class = "lineno" > 210< / span > < span class = "comment" > // Optimized version if the maximum is in tops_ already.< / span > < / div >
< div class = "line" > < a id = "l00211" name = "l00211" > < / a > < span class = "lineno" > 211< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00212" name = "l00212" > < / a > < span class = "lineno" > 212< / span > < span class = "comment" > // We do two things here:< / span > < / div >
< div class = "line" > < a id = "l00213" name = "l00213" > < / a > < span class = "lineno" > 213< / span > < span class = "comment" > // 1/ Filter tops_ to only contain valid entries. This is because we never< / span > < / div >
< div class = "line" > < a id = "l00214" name = "l00214" > < / a > < span class = "lineno" > 214< / span > < span class = "comment" > // remove element, so the value of one of the element in tops might have< / span > < / div >
< div class = "line" > < a id = "l00215" name = "l00215" > < / a > < span class = "lineno" > 215< / span > < span class = "comment" > // decreased now. Note that we leave threshold_ untouched, so it< / span > < / div >
< div class = "line" > < a id = "l00216" name = "l00216" > < / a > < span class = "lineno" > 216< / span > < span class = "comment" > // can actually be lower than the minimum of the element in tops.< / span > < / div >
< div class = "line" > < a id = "l00217" name = "l00217" > < / a > < span class = "lineno" > 217< / span > < span class = "comment" > // 2/ Get the maximum of the valid elements.< / span > < / div >
< div class = "line" > < a id = "l00218" name = "l00218" > < / a > < span class = "lineno" > 218< / span > < span class = "keywordflow" > if< / span > (!tops_.empty()) {< / div >
< div class = "line" > < a id = "l00219" name = "l00219" > < / a > < span class = "lineno" > 219< / span > < span class = "keywordtype" > int< / span > new_size = 0;< / div >
< div class = "line" > < a id = "l00220" name = "l00220" > < / a > < span class = "lineno" > 220< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > HeapElement e : tops_) {< / div >
< div class = "line" > < a id = "l00221" name = "l00221" > < / a > < span class = "lineno" > 221< / span > < span class = "comment" > // The two possible sources of " invalidity" .< / span > < / div >
< div class = "line" > < a id = "l00222" name = "l00222" > < / a > < span class = "lineno" > 222< / span > < span class = "keywordflow" > if< / span > (!is_candidate_[e.index]) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00223" name = "l00223" > < / a > < span class = "lineno" > 223< / span > < span class = "keywordflow" > if< / span > (values_[e.index] != e.value) < span class = "keywordflow" > continue< / span > ;< / 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 > tops_[new_size++] = e;< / div >
< div class = "line" > < a id = "l00226" name = "l00226" > < / a > < span class = "lineno" > 226< / span > < span class = "keywordflow" > if< / span > (e.value > = best_value) {< / div >
< div class = "line" > < a id = "l00227" name = "l00227" > < / a > < span class = "lineno" > 227< / span > < span class = "keywordflow" > if< / span > (e.value == best_value) {< / div >
< div class = "line" > < a id = "l00228" name = "l00228" > < / a > < span class = "lineno" > 228< / span > equivalent_choices_.push_back(e.index);< / div >
< div class = "line" > < a id = "l00229" name = "l00229" > < / a > < span class = "lineno" > 229< / span > < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00230" name = "l00230" > < / a > < span class = "lineno" > 230< / span > }< / div >
< div class = "line" > < a id = "l00231" name = "l00231" > < / a > < span class = "lineno" > 231< / span > equivalent_choices_.clear();< / div >
< div class = "line" > < a id = "l00232" name = "l00232" > < / a > < span class = "lineno" > 232< / span > best_value = e.value;< / div >
< div class = "line" > < a id = "l00233" name = "l00233" > < / a > < span class = "lineno" > 233< / span > best_position = e.index;< / div >
< div class = "line" > < a id = "l00234" name = "l00234" > < / a > < span class = "lineno" > 234< / span > }< / div >
< div class = "line" > < a id = "l00235" name = "l00235" > < / a > < span class = "lineno" > 235< / span > }< / div >
< div class = "line" > < a id = "l00236" name = "l00236" > < / a > < span class = "lineno" > 236< / span > tops_.resize(new_size);< / div >
< div class = "line" > < a id = "l00237" name = "l00237" > < / a > < span class = "lineno" > 237< / span > < span class = "keywordflow" > if< / span > (new_size != 0) {< / div >
< div class = "line" > < a id = "l00238" name = "l00238" > < / a > < span class = "lineno" > 238< / span > stats_.heap_size_on_hit.Add(new_size);< / div >
< div class = "line" > < a id = "l00239" name = "l00239" > < / a > < span class = "lineno" > 239< / span > < span class = "keywordflow" > return< / span > RandomizeIfManyChoices(best_position);< / div >
< div class = "line" > < a id = "l00240" name = "l00240" > < / a > < span class = "lineno" > 240< / span > }< / div >
< div class = "line" > < a id = "l00241" name = "l00241" > < / a > < span class = "lineno" > 241< / span > }< / div >
< div class = "line" > < a id = "l00242" name = "l00242" > < / a > < span class = "lineno" > 242< / span > < / div >
< div class = "line" > < a id = "l00243" name = "l00243" > < / a > < span class = "lineno" > 243< / span > < span class = "comment" > // We need to iterate over all the candidates.< / span > < / div >
< div class = "line" > < a id = "l00244" name = "l00244" > < / a > < span class = "lineno" > 244< / span > threshold_ = -< a class = "code hl_variable" href = "namespaceoperations__research_1_1glop.html#af9a790b7e8c5b0c6d55b336177378e78" > kInfinity< / a > ;< / div >
< div class = "line" > < a id = "l00245" name = "l00245" > < / a > < span class = "lineno" > 245< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (tops_.empty());< / div >
< div class = "line" > < a id = "l00246" name = "l00246" > < / a > < span class = "lineno" > 246< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#ac89c7b45754e9a6bdabc08bea586fc4e" > Index< / a > position : is_candidate_) {< / div >
< div class = "line" > < a id = "l00247" name = "l00247" > < / a > < span class = "lineno" > 247< / span > < span class = "keyword" > const< / span > < a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > Fractional< / a > < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > = values_[position];< / 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 = "comment" > // TODO(user): Add a mode when we do not maintain the TopK for small sizes< / span > < / div >
< div class = "line" > < a id = "l00250" name = "l00250" > < / a > < span class = "lineno" > 250< / span > < span class = "comment" > // (like n < 1000) ? The gain might not be worth the extra code though.< / span > < / div >
< div class = "line" > < a id = "l00251" name = "l00251" > < / a > < span class = "lineno" > 251< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > < threshold_) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00252" name = "l00252" > < / a > < span class = "lineno" > 252< / span > UpdateTopK(position, < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
< div class = "line" > < a id = "l00253" name = "l00253" > < / a > < span class = "lineno" > 253< / span > < / div >
< div class = "line" > < a id = "l00254" name = "l00254" > < / a > < span class = "lineno" > 254< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > > = best_value) {< / div >
< div class = "line" > < a id = "l00255" name = "l00255" > < / a > < span class = "lineno" > 255< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > == best_value) {< / div >
< div class = "line" > < a id = "l00256" name = "l00256" > < / a > < span class = "lineno" > 256< / span > equivalent_choices_.push_back(position);< / div >
< div class = "line" > < a id = "l00257" name = "l00257" > < / a > < span class = "lineno" > 257< / span > < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00258" name = "l00258" > < / a > < span class = "lineno" > 258< / span > }< / div >
< div class = "line" > < a id = "l00259" name = "l00259" > < / a > < span class = "lineno" > 259< / span > equivalent_choices_.clear();< / div >
< div class = "line" > < a id = "l00260" name = "l00260" > < / a > < span class = "lineno" > 260< / span > best_value = < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ;< / div >
< div class = "line" > < a id = "l00261" name = "l00261" > < / a > < span class = "lineno" > 261< / span > best_position = position;< / div >
< div class = "line" > < a id = "l00262" name = "l00262" > < / a > < span class = "lineno" > 262< / span > }< / div >
< div class = "line" > < a id = "l00263" name = "l00263" > < / a > < span class = "lineno" > 263< / span > }< / div >
< div class = "line" > < a id = "l00264" name = "l00264" > < / a > < span class = "lineno" > 264< / span > < / div >
< div class = "line" > < a id = "l00265" name = "l00265" > < / a > < span class = "lineno" > 265< / span > < span class = "keywordflow" > return< / span > RandomizeIfManyChoices(best_position);< / div >
< div class = "line" > < a id = "l00266" name = "l00266" > < / a > < span class = "lineno" > 266< / span > }< / div >
< div class = "line" > < a id = "l00267" name = "l00267" > < / a > < span class = "lineno" > 267< / span > < / div >
< div class = "line" > < a id = "l00268" name = "l00268" > < / a > < span class = "lineno" > 268< / span > < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > Index> < / div >
< div class = "line" > < a id = "l00269" name = "l00269" > < / a > < span class = "lineno" > 269< / span > < span class = "keyword" > inline< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_class" href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html" > DynamicMaximum< Index> ::UpdateTopK< / a > (< a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#ac89c7b45754e9a6bdabc08bea586fc4e" > Index< / a > position,< / div >
< div class = "line" > < a id = "l00270" name = "l00270" > < / a > < span class = "lineno" > 270< / span > < a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > Fractional< / a > < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ) {< / div >
< div class = "line" > < a id = "l00271" name = "l00271" > < / a > < span class = "lineno" > 271< / span > < span class = "comment" > // Note that this should only be called when an update is required.< / span > < / div >
< div class = "line" > < a id = "l00272" name = "l00272" > < / a > < span class = "lineno" > 272< / span > < a class = "code hl_define" href = "base_2logging_8h.html#aae2dc65d9ea248d54bf39daa986dd295" > DCHECK_GE< / a > (< a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > , threshold_);< / div >
< div class = "line" > < a id = "l00273" name = "l00273" > < / a > < span class = "lineno" > 273< / span > < / div >
< div class = "line" > < a id = "l00274" name = "l00274" > < / a > < span class = "lineno" > 274< / span > < span class = "comment" > // We use a compile time size of the form 2^n - 1 to have a full binary heap.< / span > < / div >
< div class = "line" > < a id = "l00275" name = "l00275" > < / a > < span class = "lineno" > 275< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00276" name = "l00276" > < / a > < span class = "lineno" > 276< / span > < span class = "comment" > // TODO(user): Adapt the size depending on the problem size? Note sure it is< / span > < / div >
< div class = "line" > < a id = "l00277" name = "l00277" > < / a > < span class = "lineno" > 277< / span > < span class = "comment" > // worth it. To experiment more.< / span > < / div >
< div class = "line" > < a id = "l00278" name = "l00278" > < / a > < span class = "lineno" > 278< / span > < span class = "keyword" > constexpr< / span > < span class = "keywordtype" > int< / span > k = 31;< / div >
< div class = "line" > < a id = "l00279" name = "l00279" > < / a > < span class = "lineno" > 279< / span > < span class = "keyword" > static_assert< / span > (((k + 1) & k) == 0, < span class = "stringliteral" > " k + 1 should be a power of 2." < / span > );< / div >
< div class = "line" > < a id = "l00280" name = "l00280" > < / a > < span class = "lineno" > 280< / span > < / div >
< div class = "line" > < a id = "l00281" name = "l00281" > < / a > < span class = "lineno" > 281< / span > < span class = "comment" > // Simply grow the vector until we hit a size of k.< / span > < / div >
< div class = "line" > < a id = "l00282" name = "l00282" > < / a > < span class = "lineno" > 282< / span > < span class = "keywordflow" > if< / span > (tops_.size() < k) {< / div >
< div class = "line" > < a id = "l00283" name = "l00283" > < / a > < span class = "lineno" > 283< / span > tops_.emplace_back(position, < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
< div class = "line" > < a id = "l00284" name = "l00284" > < / a > < span class = "lineno" > 284< / span > < span class = "keywordflow" > if< / span > (tops_.size() == k) {< / div >
< div class = "line" > < a id = "l00285" name = "l00285" > < / a > < span class = "lineno" > 285< / span > std::make_heap(tops_.begin(), tops_.end());< / div >
< div class = "line" > < a id = "l00286" name = "l00286" > < / a > < span class = "lineno" > 286< / span > threshold_ = tops_[0].value;< / div >
< div class = "line" > < a id = "l00287" name = "l00287" > < / a > < span class = "lineno" > 287< / span > }< / div >
< div class = "line" > < a id = "l00288" name = "l00288" > < / a > < span class = "lineno" > 288< / span > < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l00289" name = "l00289" > < / a > < span class = "lineno" > 289< / span > }< / div >
< div class = "line" > < a id = "l00290" name = "l00290" > < / a > < span class = "lineno" > 290< / span > < / div >
< div class = "line" > < a id = "l00291" name = "l00291" > < / a > < span class = "lineno" > 291< / span > < span class = "comment" > // If the value is equal, we randomly replace it. Having some randomness can< / span > < / div >
< div class = "line" > < a id = "l00292" name = "l00292" > < / a > < span class = "lineno" > 292< / span > < span class = "comment" > // also be important to increase the chance of keeping the true maximum in the< / span > < / div >
< div class = "line" > < a id = "l00293" name = "l00293" > < / a > < span class = "lineno" > 293< / span > < span class = "comment" > // top k set.< / span > < / div >
< div class = "line" > < a id = "l00294" name = "l00294" > < / a > < span class = "lineno" > 294< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00295" name = "l00295" > < / a > < span class = "lineno" > 295< / span > < span class = "comment" > // TODO(user): use proper probability by counting the number of ties seen and< / span > < / div >
< div class = "line" > < a id = "l00296" name = "l00296" > < / a > < span class = "lineno" > 296< / span > < span class = "comment" > // replacing a random minimum element to get an uniform distribution? Note< / span > < / div >
< div class = "line" > < a id = "l00297" name = "l00297" > < / a > < span class = "lineno" > 297< / span > < span class = "comment" > // that it will never be truly uniform since once the top k structure is< / span > < / div >
< div class = "line" > < a id = "l00298" name = "l00298" > < / a > < span class = "lineno" > 298< / span > < span class = "comment" > // constructed, we will reuse it as much as possible, so it will be biased< / span > < / div >
< div class = "line" > < a id = "l00299" name = "l00299" > < / a > < span class = "lineno" > 299< / span > < span class = "comment" > // towards elements already inside.< / span > < / div >
< div class = "line" > < a id = "l00300" name = "l00300" > < / a > < span class = "lineno" > 300< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > == tops_[0].< a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ) {< / div >
< div class = "line" > < a id = "l00301" name = "l00301" > < / a > < span class = "lineno" > 301< / span > < span class = "keywordflow" > if< / span > (absl::Bernoulli(random_, 0.5)) {< / div >
< div class = "line" > < a id = "l00302" name = "l00302" > < / a > < span class = "lineno" > 302< / span > tops_[0].index = position;< / div >
< div class = "line" > < a id = "l00303" name = "l00303" > < / a > < span class = "lineno" > 303< / span > }< / div >
< div class = "line" > < a id = "l00304" name = "l00304" > < / a > < span class = "lineno" > 304< / span > < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l00305" name = "l00305" > < / a > < span class = "lineno" > 305< / span > }< / div >
< div class = "line" > < a id = "l00306" name = "l00306" > < / a > < span class = "lineno" > 306< / span > < / div >
< div class = "line" > < a id = "l00307" name = "l00307" > < / a > < span class = "lineno" > 307< / span > < span class = "comment" > // The code below is basically a custom implementation of this. It is however< / span > < / div >
< div class = "line" > < a id = "l00308" name = "l00308" > < / a > < span class = "lineno" > 308< / span > < span class = "comment" > // only slighlty faster for such a small heap. So it might not be completely< / span > < / div >
< div class = "line" > < a id = "l00309" name = "l00309" > < / a > < span class = "lineno" > 309< / span > < span class = "comment" > // worth it.< / span > < / div >
< div class = "line" > < a id = "l00310" name = "l00310" > < / a > < span class = "lineno" > 310< / span > < span class = "keywordflow" > if< / span > (< span class = "comment" > /*DISABLES CODE*/< / span > (< span class = "keyword" > false< / span > )) {< / div >
< div class = "line" > < a id = "l00311" name = "l00311" > < / a > < span class = "lineno" > 311< / span > std::pop_heap(tops_.begin(), tops_.end());< / div >
< div class = "line" > < a id = "l00312" name = "l00312" > < / a > < span class = "lineno" > 312< / span > tops_.back() = HeapElement(position, < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
< div class = "line" > < a id = "l00313" name = "l00313" > < / a > < span class = "lineno" > 313< / span > std::push_heap(tops_.begin(), tops_.end());< / div >
< div class = "line" > < a id = "l00314" name = "l00314" > < / a > < span class = "lineno" > 314< / span > threshold_ = tops_[0].value;< / div >
< div class = "line" > < a id = "l00315" name = "l00315" > < / a > < span class = "lineno" > 315< / span > < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l00316" name = "l00316" > < / a > < span class = "lineno" > 316< / span > }< / div >
< div class = "line" > < a id = "l00317" name = "l00317" > < / a > < span class = "lineno" > 317< / span > < / div >
< div class = "line" > < a id = "l00318" name = "l00318" > < / a > < span class = "lineno" > 318< / span > < span class = "comment" > // To not have to do std::pop_heap() and then std::push_heap(), we code our< / span > < / div >
< div class = "line" > < a id = "l00319" name = "l00319" > < / a > < span class = "lineno" > 319< / span > < span class = "comment" > // own update. Note that we exploit the fact that k is of the form 2^n - 1 to< / span > < / div >
< div class = "line" > < a id = "l00320" name = "l00320" > < / a > < span class = "lineno" > 320< / span > < span class = "comment" > // save one test per update.< / span > < / div >
< div class = "line" > < a id = "l00321" name = "l00321" > < / a > < span class = "lineno" > 321< / span > < span class = "keywordtype" > int< / span > i = 0;< / div >
< div class = "line" > < a id = "l00322" name = "l00322" > < / a > < span class = "lineno" > 322< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0" > DCHECK_EQ< / a > (tops_.size(), k);< / div >
< div class = "line" > < a id = "l00323" name = "l00323" > < / a > < span class = "lineno" > 323< / span > < span class = "keyword" > constexpr< / span > < span class = "keywordtype" > int< / span > limit = k / 2;< / div >
< div class = "line" > < a id = "l00324" name = "l00324" > < / a > < span class = "lineno" > 324< / span > < span class = "keywordflow" > for< / span > (; i < limit;) {< / div >
< div class = "line" > < a id = "l00325" name = "l00325" > < / a > < span class = "lineno" > 325< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > left_child = 2 * i + 1;< / div >
< div class = "line" > < a id = "l00326" name = "l00326" > < / a > < span class = "lineno" > 326< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "arc__flow__builder_8cc.html#a37a60bd8e1de6871a556b2822884edea" > right_child< / a > = left_child + 1;< / div >
< div class = "line" > < a id = "l00327" name = "l00327" > < / a > < span class = "lineno" > 327< / span > < span class = "keyword" > const< / span > < a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > Fractional< / a > l_value = tops_[left_child].value;< / div >
< div class = "line" > < a id = "l00328" name = "l00328" > < / a > < span class = "lineno" > 328< / span > < span class = "keyword" > const< / span > < a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > Fractional< / a > r_value = tops_[< a class = "code hl_variable" href = "arc__flow__builder_8cc.html#a37a60bd8e1de6871a556b2822884edea" > right_child< / a > ].value;< / div >
< div class = "line" > < a id = "l00329" name = "l00329" > < / a > < span class = "lineno" > 329< / span > < span class = "keywordflow" > if< / span > (l_value > r_value) {< / div >
< div class = "line" > < a id = "l00330" name = "l00330" > < / a > < span class = "lineno" > 330< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > < = r_value) < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l00331" name = "l00331" > < / a > < span class = "lineno" > 331< / span > tops_[i] = tops_[< a class = "code hl_variable" href = "arc__flow__builder_8cc.html#a37a60bd8e1de6871a556b2822884edea" > right_child< / a > ];< / div >
< div class = "line" > < a id = "l00332" name = "l00332" > < / a > < span class = "lineno" > 332< / span > i = < a class = "code hl_variable" href = "arc__flow__builder_8cc.html#a37a60bd8e1de6871a556b2822884edea" > right_child< / a > ;< / div >
< div class = "line" > < a id = "l00333" name = "l00333" > < / a > < span class = "lineno" > 333< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00334" name = "l00334" > < / a > < span class = "lineno" > 334< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > < = l_value) < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l00335" name = "l00335" > < / a > < span class = "lineno" > 335< / span > tops_[i] = tops_[left_child];< / div >
< div class = "line" > < a id = "l00336" name = "l00336" > < / a > < span class = "lineno" > 336< / span > i = left_child;< / div >
< div class = "line" > < a id = "l00337" name = "l00337" > < / a > < span class = "lineno" > 337< / span > }< / div >
< div class = "line" > < a id = "l00338" name = "l00338" > < / a > < span class = "lineno" > 338< / span > }< / div >
< div class = "line" > < a id = "l00339" name = "l00339" > < / a > < span class = "lineno" > 339< / span > tops_[i] = HeapElement(position, < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
< div class = "line" > < a id = "l00340" name = "l00340" > < / a > < span class = "lineno" > 340< / span > threshold_ = tops_[0].value;< / div >
< div class = "line" > < a id = "l00341" name = "l00341" > < / a > < span class = "lineno" > 341< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (std::is_heap(tops_.begin(), tops_.end()));< / div >
< div class = "line" > < a id = "l00342" name = "l00342" > < / a > < span class = "lineno" > 342< / span > }< / div >
< div class = "line" > < a id = "l00343" name = "l00343" > < / a > < span class = "lineno" > 343< / span > < / div >
< div class = "line" > < a id = "l00344" name = "l00344" > < / a > < span class = "lineno" > 344< / span > } < span class = "comment" > // namespace glop< / span > < / div >
< div class = "line" > < a id = "l00345" name = "l00345" > < / a > < span class = "lineno" > 345< / span > } < span class = "comment" > // namespace operations_research< / span > < / div >
< div class = "line" > < a id = "l00346" name = "l00346" > < / a > < span class = "lineno" > 346< / span > < / div >
< div class = "line" > < a id = "l00347" name = "l00347" > < / a > < span class = "lineno" > 347< / span > < span class = "preprocessor" > #endif < / span > < span class = "comment" > // OR_TOOLS_GLOP_PRICING_H_< / span > < / div >
< div class = "ttc" id = "aarc__flow__builder_8cc_html_a37a60bd8e1de6871a556b2822884edea" > < div class = "ttname" > < a href = "arc__flow__builder_8cc.html#a37a60bd8e1de6871a556b2822884edea" > right_child< / a > < / div > < div class = "ttdeci" > int right_child< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "arc__flow__builder_8cc_source.html#l00064" > arc_flow_builder.cc:64< / a > < / div > < / div >
2022-03-04 00:11:33 +01:00
< div class = "ttc" id = "abase_2logging_8h_html_aae2dc65d9ea248d54bf39daa986dd295" > < div class = "ttname" > < a href = "base_2logging_8h.html#aae2dc65d9ea248d54bf39daa986dd295" > DCHECK_GE< / a > < / div > < div class = "ttdeci" > #define DCHECK_GE(val1, val2)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00895" > base/logging.h:895< / a > < / div > < / div >
< 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 >
< div class = "ttc" id = "abase_2logging_8h_html_ae89df3243bbb8341130c7b3f44145ea0" > < div class = "ttname" > < a href = "base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0" > DCHECK_EQ< / a > < / div > < div class = "ttdeci" > #define DCHECK_EQ(val1, val2)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00891" > base/logging.h:891< / a > < / div > < / div >
2022-01-17 21:42:14 +01:00
< div class = "ttc" id = "abitset_8h_html" > < div class = "ttname" > < a href = "bitset_8h.html" > bitset.h< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_bitset64_html" > < div class = "ttname" > < a href = "classoperations__research_1_1_bitset64.html" > operations_research::Bitset64< Index > < / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_stats_group_html_ad3718c845372a46a063163204783b7ca" > < div class = "ttname" > < a href = "classoperations__research_1_1_stats_group.html#ad3718c845372a46a063163204783b7ca" > operations_research::StatsGroup::StatsGroup< / a > < / div > < div class = "ttdeci" > StatsGroup(const std::string & name)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "stats_8h_source.html#l00138" > stats.h:138< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_dynamic_maximum_html" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html" > operations_research::glop::DynamicMaximum< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "pricing_8h_source.html#l00056" > pricing.h:56< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_dynamic_maximum_html_a0288e565c7950baedeafd9d866f27f79" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#a0288e565c7950baedeafd9d866f27f79" > operations_research::glop::DynamicMaximum::AddOrUpdate< / a > < / div > < div class = "ttdeci" > void AddOrUpdate(Index position, Fractional value)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "pricing_8h_source.html#l00185" > pricing.h:185< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_dynamic_maximum_html_a06262520df93f238136b5f3fa7dd41ab" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#a06262520df93f238136b5f3fa7dd41ab" > operations_research::glop::DynamicMaximum::Remove< / a > < / div > < div class = "ttdeci" > void Remove(Index position)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "pricing_8h_source.html#l00164" > pricing.h:164< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_dynamic_maximum_html_a18ec8750a372cc4b685f043056912566" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#a18ec8750a372cc4b685f043056912566" > operations_research::glop::DynamicMaximum::StartDenseUpdates< / a > < / div > < div class = "ttdeci" > void StartDenseUpdates()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "pricing_8h_source.html#l00169" > pricing.h:169< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_dynamic_maximum_html_a2b42bfa1c96806cf7504a5e8890fd56f" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#a2b42bfa1c96806cf7504a5e8890fd56f" > operations_research::glop::DynamicMaximum::DynamicMaximum< / a > < / div > < div class = "ttdeci" > DynamicMaximum(absl::BitGenRef random)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "pricing_8h_source.html#l00059" > pricing.h:59< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_dynamic_maximum_html_a342bfaf1266d12b6202742bb5262f5d1" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#a342bfaf1266d12b6202742bb5262f5d1" > operations_research::glop::DynamicMaximum::DenseAddOrUpdate< / a > < / div > < div class = "ttdeci" > void DenseAddOrUpdate(Index position, Fractional value)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "pricing_8h_source.html#l00176" > pricing.h:176< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_dynamic_maximum_html_a647917658f096ec35e9a14eaf4e1a7e3" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#a647917658f096ec35e9a14eaf4e1a7e3" > operations_research::glop::DynamicMaximum::Size< / a > < / div > < div class = "ttdeci" > Index Size() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "pricing_8h_source.html#l00090" > pricing.h:90< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_dynamic_maximum_html_a783736d86811c9bc5a68dd8ff1890192" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#a783736d86811c9bc5a68dd8ff1890192" > operations_research::glop::DynamicMaximum::ClearAndResize< / a > < / div > < div class = "ttdeci" > void ClearAndResize(Index n)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "pricing_8h_source.html#l00156" > pricing.h:156< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_dynamic_maximum_html_aa71d36872f416feaa853788a7a7a7ef8" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#aa71d36872f416feaa853788a7a7a7ef8" > operations_research::glop::DynamicMaximum::Clear< / a > < / div > < div class = "ttdeci" > void Clear()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "pricing_8h_source.html#l00089" > pricing.h:89< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_dynamic_maximum_html_ae9e909718fc3aa8d0c968ef9a35f495b" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#ae9e909718fc3aa8d0c968ef9a35f495b" > operations_research::glop::DynamicMaximum::GetMaximum< / a > < / div > < div class = "ttdeci" > Index GetMaximum()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "pricing_8h_source.html#l00204" > pricing.h:204< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_dynamic_maximum_html_af9bc435481ae9e6e60d66a65d5394a7f" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html#af9bc435481ae9e6e60d66a65d5394a7f" > operations_research::glop::DynamicMaximum::StatString< / a > < / div > < div class = "ttdeci" > std::string StatString() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "pricing_8h_source.html#l00093" > pricing.h:93< / 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< Index, Fractional > < / a > < / div > < / div >
< 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#l00280" > lp_types.h:280< / 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 >
2022-03-04 00:11:33 +01:00
< div class = "ttc" id = "alocal__search_8cc_html_a750b5d744c39a06bfb13e6eb010e35d0" > < div class = "ttname" > < a href = "local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > < / div > < div class = "ttdeci" > int index< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "local__search_8cc_source.html#l02750" > local_search.cc:2750< / a > < / div > < / div >
2022-01-17 21:42:14 +01:00
< 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_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_a95879916d90daeba91c40399ae5ddcc6" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1glop.html#a95879916d90daeba91c40399ae5ddcc6" > operations_research::glop::IsFinite< / a > < / div > < div class = "ttdeci" > bool IsFinite(Fractional value)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "lp__types_8h_source.html#l00091" > lp_types.h:91< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1glop_html_ac89c7b45754e9a6bdabc08bea586fc4e" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1glop.html#ac89c7b45754e9a6bdabc08bea586fc4e" > operations_research::glop::Index< / a > < / div > < div class = "ttdeci" > int32_t Index< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "lp__types_8h_source.html#l00038" > lp_types.h:38< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1glop_html_af9a790b7e8c5b0c6d55b336177378e78" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1glop.html#af9a790b7e8c5b0c6d55b336177378e78" > operations_research::glop::kInfinity< / a > < / div > < div class = "ttdeci" > const double kInfinity< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "lp__types_8h_source.html#l00084" > lp_types.h:84< / 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 = "astats_8h_html" > < div class = "ttname" > < a href = "stats_8h.html" > stats.h< / a > < / div > < / div >
< 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#l00438" > stats.h:438< / a > < / div > < / div >
2021-04-27 23:00:03 +02:00
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