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< a href = "affine__relation_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_UTIL_AFFINE_RELATION_H_< / span > < / div >
< div class = "line" > < a id = "l00015" name = "l00015" > < / a > < span class = "lineno" > 15< / span > < span class = "preprocessor" > #define OR_TOOLS_UTIL_AFFINE_RELATION_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 < vector> < / span > < / div >
< div class = "line" > < a id = "l00018" name = "l00018" > < / a > < span class = "lineno" > 18< / span > < / div >
< div class = "line" > < a id = "l00019" name = "l00019" > < / a > < span class = "lineno" > 19< / span > < span class = "preprocessor" > #include " < a class = "code" href = "iterator__adaptors_8h.html" > ortools/base/iterator_adaptors.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 = "base_2logging_8h.html" > ortools/base/logging.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 = "macros_8h.html" > ortools/base/macros.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 > < / div >
< div class = "line" > < a id = "l00025" name = "l00025" > < / a > < span class = "lineno" > 25< / span > < span class = "comment" > // Union-Find algorithm to maintain " representative" for relations of the form:< / span > < / div >
< div class = "line" > < a id = "l00026" name = "l00026" > < / a > < span class = "lineno" > 26< / span > < span class = "comment" > // x = coeff * y + offset, where " coeff" and " offset" are integers. The variable< / span > < / div >
< div class = "line" > < a id = "l00027" name = "l00027" > < / a > < span class = "lineno" > 27< / span > < span class = "comment" > // x and y are represented by non-negative integer indices. The idea is to< / span > < / div >
< div class = "line" > < a id = "l00028" name = "l00028" > < / a > < span class = "lineno" > 28< / span > < span class = "comment" > // express variables in affine relation using as little different variables as< / span > < / div >
< div class = "line" > < a id = "l00029" name = "l00029" > < / a > < span class = "lineno" > 29< / span > < span class = "comment" > // possible (the representatives).< / span > < / div >
< div class = "line" > < a id = "l00030" name = "l00030" > < / a > < span class = "lineno" > 30< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00031" name = "l00031" > < / a > < span class = "lineno" > 31< / span > < span class = "comment" > // IMPORTANT: If there are relations with std::abs(coeff) != 1, then some< / span > < / div >
< div class = "line" > < a id = "l00032" name = "l00032" > < / a > < span class = "lineno" > 32< / span > < span class = "comment" > // relations might be ignored. See TryAdd() for more details.< / span > < / div >
< div class = "line" > < a id = "l00033" name = "l00033" > < / a > < span class = "lineno" > 33< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00034" name = "l00034" > < / a > < span class = "lineno" > 34< / span > < span class = "comment" > // TODO(user): it might be possible to do something fancier and drop less< / span > < / div >
< div class = "line" > < a id = "l00035" name = "l00035" > < / a > < span class = "lineno" > 35< / span > < span class = "comment" > // relations if all the affine relations are given before hand.< / span > < / div >
< div class = "line" > < a id = "l00036" name = "l00036" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_affine_relation.html" > 36< / a > < / span > < span class = "keyword" > class < / span > < a class = "code hl_class" href = "classoperations__research_1_1_affine_relation.html" > AffineRelation< / a > {< / div >
< div class = "line" > < a id = "l00037" name = "l00037" > < / a > < span class = "lineno" > 37< / span > < span class = "keyword" > public< / span > :< / div >
< div class = "line" > < a id = "l00038" name = "l00038" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_affine_relation.html#a430114d1f3d055605606f93cc0a195e0" > 38< / a > < / span > < a class = "code hl_function" href = "classoperations__research_1_1_affine_relation.html#a430114d1f3d055605606f93cc0a195e0" > AffineRelation< / a > () : num_relations_(0) {}< / div >
< div class = "line" > < a id = "l00039" name = "l00039" > < / a > < span class = "lineno" > 39< / span > < / div >
< div class = "line" > < a id = "l00040" name = "l00040" > < / a > < span class = "lineno" > 40< / span > < span class = "comment" > // Returns the number of relations added to the class and not ignored.< / span > < / div >
< div class = "line" > < a id = "l00041" name = "l00041" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_affine_relation.html#acee7699cd3aad1b8ce9721e4952b36e7" > 41< / a > < / span > < span class = "keywordtype" > int< / span > < a class = "code hl_function" href = "classoperations__research_1_1_affine_relation.html#acee7699cd3aad1b8ce9721e4952b36e7" > NumRelations< / a > ()< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > num_relations_; }< / div >
< div class = "line" > < a id = "l00042" name = "l00042" > < / a > < span class = "lineno" > 42< / span > < / div >
< div class = "line" > < a id = "l00043" name = "l00043" > < / a > < span class = "lineno" > 43< / span > < span class = "comment" > // Adds the relation x = coeff * y + offset to the class.< / span > < / div >
< div class = "line" > < a id = "l00044" name = "l00044" > < / a > < span class = "lineno" > 44< / span > < span class = "comment" > // Returns true if it wasn' t ignored.< / span > < / div >
< div class = "line" > < a id = "l00045" name = "l00045" > < / a > < span class = "lineno" > 45< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00046" name = "l00046" > < / a > < span class = "lineno" > 46< / span > < span class = "comment" > // This relation will only be taken into account if the representative of x< / span > < / div >
< div class = "line" > < a id = "l00047" name = "l00047" > < / a > < span class = "lineno" > 47< / span > < span class = "comment" > // and the one of y are different and if the relation can be transformed into< / span > < / div >
< div class = "line" > < a id = "l00048" name = "l00048" > < / a > < span class = "lineno" > 48< / span > < span class = "comment" > // a similar relation with integer coefficient between the two< / span > < / div >
< div class = "line" > < a id = "l00049" name = "l00049" > < / a > < span class = "lineno" > 49< / span > < span class = "comment" > // representatives.< / span > < / div >
< div class = "line" > < a id = "l00050" name = "l00050" > < / a > < span class = "lineno" > 50< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00051" name = "l00051" > < / a > < span class = "lineno" > 51< / span > < span class = "comment" > // That is, given that:< / span > < / div >
< div class = "line" > < a id = "l00052" name = "l00052" > < / a > < span class = "lineno" > 52< / span > < span class = "comment" > // - x = coeff_x * representative_x + offset_x< / span > < / div >
< div class = "line" > < a id = "l00053" name = "l00053" > < / a > < span class = "lineno" > 53< / span > < span class = "comment" > // - y = coeff_y * representative_y + offset_y< / span > < / div >
< div class = "line" > < a id = "l00054" name = "l00054" > < / a > < span class = "lineno" > 54< / span > < span class = "comment" > // we have:< / span > < / div >
< div class = "line" > < a id = "l00055" name = "l00055" > < / a > < span class = "lineno" > 55< / span > < span class = "comment" > // coeff_x * representative_x + offset_x =< / span > < / div >
< div class = "line" > < a id = "l00056" name = "l00056" > < / a > < span class = "lineno" > 56< / span > < span class = "comment" > // coeff * coeff_y * representative_y + coeff * offset_y + offset.< / span > < / div >
< div class = "line" > < a id = "l00057" name = "l00057" > < / a > < span class = "lineno" > 57< / span > < span class = "comment" > // Which can be simplified with the introduction of new variables to:< / span > < / div >
< div class = "line" > < a id = "l00058" name = "l00058" > < / a > < span class = "lineno" > 58< / span > < span class = "comment" > // coeff_x * representative_x = new_coeff * representative_y + new_offset.< / span > < / div >
< div class = "line" > < a id = "l00059" name = "l00059" > < / a > < span class = "lineno" > 59< / span > < span class = "comment" > // And we can merge the two if:< / span > < / div >
< div class = "line" > < a id = "l00060" name = "l00060" > < / a > < span class = "lineno" > 60< / span > < span class = "comment" > // - new_coeff and new_offset are divisible by coeff_x.< / span > < / div >
< div class = "line" > < a id = "l00061" name = "l00061" > < / a > < span class = "lineno" > 61< / span > < span class = "comment" > // - OR coeff_x and new_offset are divisible by new_coeff.< / span > < / div >
< div class = "line" > < a id = "l00062" name = "l00062" > < / a > < span class = "lineno" > 62< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00063" name = "l00063" > < / a > < span class = "lineno" > 63< / span > < span class = "comment" > // Checked preconditions: x > =0, y > = 0, coeff != 0 and x != y.< / span > < / div >
< div class = "line" > < a id = "l00064" name = "l00064" > < / a > < span class = "lineno" > 64< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00065" name = "l00065" > < / a > < span class = "lineno" > 65< / span > < span class = "comment" > // IMPORTANT: we do not check for integer overflow, but that could be added< / span > < / div >
< div class = "line" > < a id = "l00066" name = "l00066" > < / a > < span class = "lineno" > 66< / span > < span class = "comment" > // if it is needed.< / span > < / div >
< div class = "line" > < a id = "l00067" name = "l00067" > < / a > < span class = "lineno" > 67< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1_affine_relation.html#a3fd7611957e9eaebe9d43c23705e720b" > TryAdd< / a > (< span class = "keywordtype" > int< / span > x, < span class = "keywordtype" > int< / span > y, int64_t < a class = "code hl_variable" href = "variable__and__expressions_8cc.html#a2091cd7d80fdd31762020bce86138587" > coeff< / a > , int64_t offset);< / div >
< div class = "line" > < a id = "l00068" name = "l00068" > < / a > < span class = "lineno" > 68< / span > < / div >
< div class = "line" > < a id = "l00069" name = "l00069" > < / a > < span class = "lineno" > 69< / span > < span class = "comment" > // Same as TryAdd() with the option to disallow the use of a given< / span > < / div >
< div class = "line" > < a id = "l00070" name = "l00070" > < / a > < span class = "lineno" > 70< / span > < span class = "comment" > // representative.< / span > < / div >
< div class = "line" > < a id = "l00071" name = "l00071" > < / a > < span class = "lineno" > 71< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1_affine_relation.html#a3fd7611957e9eaebe9d43c23705e720b" > TryAdd< / a > (< span class = "keywordtype" > int< / span > x, < span class = "keywordtype" > int< / span > y, int64_t < a class = "code hl_variable" href = "variable__and__expressions_8cc.html#a2091cd7d80fdd31762020bce86138587" > coeff< / a > , int64_t offset, < span class = "keywordtype" > bool< / span > allow_rep_x,< / div >
< div class = "line" > < a id = "l00072" name = "l00072" > < / a > < span class = "lineno" > 72< / span > < span class = "keywordtype" > bool< / span > allow_rep_y);< / 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" > // Returns a valid relation of the form x = coeff * representative + offset.< / span > < / div >
< div class = "line" > < a id = "l00075" name = "l00075" > < / a > < span class = "lineno" > 75< / span > < span class = "comment" > // Note that this can return x = x. Non-const because of path-compression.< / span > < / div >
< div class = "line" > < a id = "l00076" name = "l00076" > < / a > < span class = "lineno" > < a class = "line" href = "structoperations__research_1_1_affine_relation_1_1_relation.html" > 76< / a > < / span > < span class = "keyword" > struct < / span > < a class = "code hl_struct" href = "structoperations__research_1_1_affine_relation_1_1_relation.html" > Relation< / a > {< / div >
< div class = "line" > < a id = "l00077" name = "l00077" > < / a > < span class = "lineno" > < a class = "line" href = "structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515" > 77< / a > < / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515" > representative< / a > ;< / div >
< div class = "line" > < a id = "l00078" name = "l00078" > < / a > < span class = "lineno" > < a class = "line" href = "structoperations__research_1_1_affine_relation_1_1_relation.html#a537e59662a0751edfbbd2a0079a794b4" > 78< / a > < / span > int64_t < a class = "code hl_variable" href = "structoperations__research_1_1_affine_relation_1_1_relation.html#a537e59662a0751edfbbd2a0079a794b4" > coeff< / a > ;< / div >
< div class = "line" > < a id = "l00079" name = "l00079" > < / a > < span class = "lineno" > < a class = "line" href = "structoperations__research_1_1_affine_relation_1_1_relation.html#ae25fb5067bd6b3b1b319efc61685a98f" > 79< / a > < / span > int64_t < a class = "code hl_variable" href = "structoperations__research_1_1_affine_relation_1_1_relation.html#ae25fb5067bd6b3b1b319efc61685a98f" > offset< / a > ;< / div >
< div class = "line" > < a id = "l00080" name = "l00080" > < / a > < span class = "lineno" > 80< / span > < / div >
< div class = "line" > < a id = "l00081" name = "l00081" > < / a > < span class = "lineno" > < a class = "line" href = "structoperations__research_1_1_affine_relation_1_1_relation.html#a9cd7348f04d9870712854850b4aa7ba9" > 81< / a > < / span > < a class = "code hl_function" href = "structoperations__research_1_1_affine_relation_1_1_relation.html#a9cd7348f04d9870712854850b4aa7ba9" > Relation< / a > (< span class = "keywordtype" > int< / span > r, int64_t c, int64_t o)< / div >
< div class = "line" > < a id = "l00082" name = "l00082" > < / a > < span class = "lineno" > 82< / span > : < a class = "code hl_variable" href = "structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515" > representative< / a > (r), < a class = "code hl_variable" href = "structoperations__research_1_1_affine_relation_1_1_relation.html#a537e59662a0751edfbbd2a0079a794b4" > coeff< / a > (c), < a class = "code hl_variable" href = "structoperations__research_1_1_affine_relation_1_1_relation.html#ae25fb5067bd6b3b1b319efc61685a98f" > offset< / a > (o) {}< / div >
< div class = "line" > < a id = "l00083" name = "l00083" > < / a > < span class = "lineno" > < a class = "line" href = "structoperations__research_1_1_affine_relation_1_1_relation.html#aa8eba41c8681366b1feb55758a548f74" > 83< / a > < / span > < span class = "keyword" > explicit< / span > < a class = "code hl_function" href = "structoperations__research_1_1_affine_relation_1_1_relation.html#aa8eba41c8681366b1feb55758a548f74" > Relation< / a > (< span class = "keywordtype" > int< / span > r) : < a class = "code hl_variable" href = "structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515" > representative< / a > (r) {}< / div >
< div class = "line" > < a id = "l00084" name = "l00084" > < / a > < span class = "lineno" > 84< / span > < / div >
< div class = "line" > < a id = "l00085" name = "l00085" > < / a > < span class = "lineno" > < a class = "line" href = "structoperations__research_1_1_affine_relation_1_1_relation.html#a835ae9099bb043e279d56804f48ef2fa" > 85< / a > < / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "structoperations__research_1_1_affine_relation_1_1_relation.html#a835ae9099bb043e279d56804f48ef2fa" > operator==< / a > (< span class = "keyword" > const< / span > < a class = "code hl_struct" href = "structoperations__research_1_1_affine_relation_1_1_relation.html" > Relation< / a > & other)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a id = "l00086" name = "l00086" > < / a > < span class = "lineno" > 86< / span > < span class = "keywordflow" > return< / span > < a class = "code hl_variable" href = "structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515" > representative< / a > == other.< a class = "code hl_variable" href = "structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515" > representative< / a > & & < a class = "code hl_variable" href = "structoperations__research_1_1_affine_relation_1_1_relation.html#a537e59662a0751edfbbd2a0079a794b4" > coeff< / a > == other.< a class = "code hl_variable" href = "structoperations__research_1_1_affine_relation_1_1_relation.html#a537e59662a0751edfbbd2a0079a794b4" > coeff< / a > & & < / div >
< div class = "line" > < a id = "l00087" name = "l00087" > < / a > < span class = "lineno" > 87< / span > < a class = "code hl_variable" href = "structoperations__research_1_1_affine_relation_1_1_relation.html#ae25fb5067bd6b3b1b319efc61685a98f" > offset< / a > == other.< a class = "code hl_variable" href = "structoperations__research_1_1_affine_relation_1_1_relation.html#ae25fb5067bd6b3b1b319efc61685a98f" > offset< / a > ;< / div >
< div class = "line" > < a id = "l00088" name = "l00088" > < / a > < span class = "lineno" > 88< / span > }< / div >
< div class = "line" > < a id = "l00089" name = "l00089" > < / a > < span class = "lineno" > 89< / span > };< / div >
< div class = "line" > < a id = "l00090" name = "l00090" > < / a > < span class = "lineno" > 90< / span > Relation < a class = "code hl_function" href = "classoperations__research_1_1_affine_relation.html#ac776696766f8c91ca8abc02f41d5854b" > Get< / a > (< span class = "keywordtype" > int< / span > x) < span class = "keyword" > const< / span > ;< / 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" > // Advanced usage. This is a bit hacky and will just decrease the class size< / span > < / div >
< div class = "line" > < a id = "l00093" name = "l00093" > < / a > < span class = "lineno" > 93< / span > < span class = "comment" > // of a variable without any extra checks. Use with care. In particular when< / span > < / div >
< div class = "line" > < a id = "l00094" name = "l00094" > < / a > < span class = "lineno" > 94< / span > < span class = "comment" > // this is called, then x should never be used anymore in any of the non const< / span > < / div >
< div class = "line" > < a id = "l00095" name = "l00095" > < / a > < span class = "lineno" > 95< / span > < span class = "comment" > // calls of this class.< / span > < / div >
< div class = "line" > < a id = "l00096" name = "l00096" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_affine_relation.html#a2dfbb2acebf03bbb98cc1c54256fdead" > 96< / a > < / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1_affine_relation.html#a2dfbb2acebf03bbb98cc1c54256fdead" > IgnoreFromClassSize< / a > (< span class = "keywordtype" > int< / span > x) {< / div >
< div class = "line" > < a id = "l00097" name = "l00097" > < / a > < span class = "lineno" > 97< / span > < span class = "keywordflow" > if< / span > (x > = size_.size()) < span class = "keywordflow" > return< / span > ; < span class = "comment" > // never seen here.< / span > < / div >
< div class = "line" > < a id = "l00098" name = "l00098" > < / a > < span class = "lineno" > 98< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb" > CHECK_NE< / a > (size_[x], kSizeForRemovedEntry) < < x;< / div >
< div class = "line" > < a id = "l00099" name = "l00099" > < / a > < span class = "lineno" > 99< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > r = < a class = "code hl_function" href = "classoperations__research_1_1_affine_relation.html#ac776696766f8c91ca8abc02f41d5854b" > Get< / a > (x).< a class = "code hl_variable" href = "structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515" > representative< / a > ;< / div >
< div class = "line" > < a id = "l00100" name = "l00100" > < / a > < span class = "lineno" > 100< / span > < span class = "keywordflow" > if< / span > (r != x) {< / div >
< div class = "line" > < a id = "l00101" name = "l00101" > < / a > < span class = "lineno" > 101< / span > < a class = "code hl_define" href = "base_2logging_8h.html#a7e03ec13560fa94a8fea569960d7efc6" > CHECK_GT< / a > (size_[r], 1);< / div >
< div class = "line" > < a id = "l00102" name = "l00102" > < / a > < span class = "lineno" > 102< / span > size_[r]--;< / div >
< div class = "line" > < a id = "l00103" name = "l00103" > < / a > < span class = "lineno" > 103< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00104" name = "l00104" > < / a > < span class = "lineno" > 104< / span > < a class = "code hl_define" href = "base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b" > CHECK_EQ< / a > (size_[r], 1);< / div >
< div class = "line" > < a id = "l00105" name = "l00105" > < / a > < span class = "lineno" > 105< / span > }< / div >
< div class = "line" > < a id = "l00106" name = "l00106" > < / a > < span class = "lineno" > 106< / span > size_[x] = kSizeForRemovedEntry;< / div >
< div class = "line" > < a id = "l00107" name = "l00107" > < / a > < span class = "lineno" > 107< / span > }< / 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 > < span class = "comment" > // Returns the size of the class of x.< / span > < / div >
< div class = "line" > < a id = "l00110" name = "l00110" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_affine_relation.html#abc96755c0de80a81fd2730d3f2e85523" > 110< / a > < / span > < span class = "keywordtype" > int< / span > < a class = "code hl_function" href = "classoperations__research_1_1_affine_relation.html#abc96755c0de80a81fd2730d3f2e85523" > ClassSize< / a > (< span class = "keywordtype" > int< / span > x)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a id = "l00111" name = "l00111" > < / a > < span class = "lineno" > 111< / span > < span class = "keywordflow" > if< / span > (x > = representative_.size()) < span class = "keywordflow" > return< / span > 1;< / div >
< div class = "line" > < a id = "l00112" name = "l00112" > < / a > < span class = "lineno" > 112< / span > < span class = "keywordflow" > return< / span > size_[< a class = "code hl_function" href = "classoperations__research_1_1_affine_relation.html#ac776696766f8c91ca8abc02f41d5854b" > Get< / a > (x).< a class = "code hl_variable" href = "structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515" > representative< / 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 = "keyword" > const< / span > < span class = "keywordtype" > int< / span > kSizeForRemovedEntry = 0;< / div >
< div class = "line" > < a id = "l00117" name = "l00117" > < / a > < span class = "lineno" > 117< / span > < / div >
< div class = "line" > < a id = "l00118" name = "l00118" > < / a > < span class = "lineno" > 118< / span > < span class = "keywordtype" > void< / span > IncreaseSizeOfMemberVectors(< span class = "keywordtype" > int< / span > new_size) {< / div >
< div class = "line" > < a id = "l00119" name = "l00119" > < / a > < span class = "lineno" > 119< / span > < span class = "keywordflow" > if< / span > (new_size < = representative_.size()) < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l00120" name = "l00120" > < / a > < span class = "lineno" > 120< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = representative_.size(); i < new_size; ++i) {< / div >
< div class = "line" > < a id = "l00121" name = "l00121" > < / a > < span class = "lineno" > 121< / span > representative_.push_back(i);< / div >
< div class = "line" > < a id = "l00122" name = "l00122" > < / a > < span class = "lineno" > 122< / span > }< / div >
< div class = "line" > < a id = "l00123" name = "l00123" > < / a > < span class = "lineno" > 123< / span > offset_.resize(new_size, 0);< / div >
< div class = "line" > < a id = "l00124" name = "l00124" > < / a > < span class = "lineno" > 124< / span > coeff_.resize(new_size, 1);< / div >
< div class = "line" > < a id = "l00125" name = "l00125" > < / a > < span class = "lineno" > 125< / span > size_.resize(new_size, 1);< / div >
< div class = "line" > < a id = "l00126" name = "l00126" > < / a > < span class = "lineno" > 126< / span > }< / div >
< div class = "line" > < a id = "l00127" name = "l00127" > < / a > < span class = "lineno" > 127< / span > < / div >
< div class = "line" > < a id = "l00128" name = "l00128" > < / a > < span class = "lineno" > 128< / span > < span class = "keywordtype" > void< / span > CompressPath(< span class = "keywordtype" > int< / span > x)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a id = "l00129" name = "l00129" > < / a > < span class = "lineno" > 129< / span > < a class = "code hl_define" href = "base_2logging_8h.html#aae2dc65d9ea248d54bf39daa986dd295" > DCHECK_GE< / a > (x, 0);< / div >
< div class = "line" > < a id = "l00130" name = "l00130" > < / a > < span class = "lineno" > 130< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a" > DCHECK_LT< / a > (x, representative_.size());< / div >
< div class = "line" > < a id = "l00131" name = "l00131" > < / a > < span class = "lineno" > 131< / span > tmp_path_.clear();< / div >
< div class = "line" > < a id = "l00132" name = "l00132" > < / a > < span class = "lineno" > 132< / span > < span class = "keywordtype" > int< / span > parent = x;< / div >
< div class = "line" > < a id = "l00133" name = "l00133" > < / a > < span class = "lineno" > 133< / span > < span class = "keywordflow" > while< / span > (parent != representative_[parent]) {< / div >
< div class = "line" > < a id = "l00134" name = "l00134" > < / a > < span class = "lineno" > 134< / span > tmp_path_.push_back(parent);< / div >
< div class = "line" > < a id = "l00135" name = "l00135" > < / a > < span class = "lineno" > 135< / span > parent = representative_[parent];< / 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 > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > : < a class = "code hl_function" href = "namespacegtl.html#a45d76e4ed7c0294917917c69ef7313cf" > ::gtl::reversed_view< / a > (tmp_path_)) {< / div >
< div class = "line" > < a id = "l00138" name = "l00138" > < / a > < span class = "lineno" > 138< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > old_parent = representative_[< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ];< / div >
< div class = "line" > < a id = "l00139" name = "l00139" > < / a > < span class = "lineno" > 139< / span > offset_[< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ] += coeff_[< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ] * offset_[old_parent];< / div >
< div class = "line" > < a id = "l00140" name = "l00140" > < / a > < span class = "lineno" > 140< / span > coeff_[< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ] *= coeff_[old_parent];< / div >
< div class = "line" > < a id = "l00141" name = "l00141" > < / a > < span class = "lineno" > 141< / span > representative_[< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ] = parent;< / div >
< div class = "line" > < a id = "l00142" name = "l00142" > < / a > < span class = "lineno" > 142< / span > }< / div >
< div class = "line" > < a id = "l00143" name = "l00143" > < / a > < span class = "lineno" > 143< / span > }< / div >
< div class = "line" > < a id = "l00144" name = "l00144" > < / a > < span class = "lineno" > 144< / span > < / div >
< div class = "line" > < a id = "l00145" name = "l00145" > < / a > < span class = "lineno" > 145< / span > < span class = "keywordtype" > int< / span > num_relations_;< / 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 > < span class = "comment" > // The equivalence class representative for each variable index.< / span > < / div >
< div class = "line" > < a id = "l00148" name = "l00148" > < / a > < span class = "lineno" > 148< / span > < span class = "keyword" > mutable< / span > std::vector< int> representative_;< / div >
< div class = "line" > < a id = "l00149" name = "l00149" > < / a > < span class = "lineno" > 149< / span > < / div >
< div class = "line" > < a id = "l00150" name = "l00150" > < / a > < span class = "lineno" > 150< / span > < span class = "comment" > // The offset and coefficient such that< / span > < / div >
< div class = "line" > < a id = "l00151" name = "l00151" > < / a > < span class = "lineno" > 151< / span > < span class = "comment" > // variable[index] = coeff * variable[representative_[index]] + offset;< / span > < / div >
< div class = "line" > < a id = "l00152" name = "l00152" > < / a > < span class = "lineno" > 152< / span > < span class = "keyword" > mutable< / span > std::vector< int64_t> coeff_;< / div >
< div class = "line" > < a id = "l00153" name = "l00153" > < / a > < span class = "lineno" > 153< / span > < span class = "keyword" > mutable< / span > std::vector< int64_t> offset_;< / 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 = "comment" > // The size of each representative " tree" , used to get a good complexity when< / span > < / div >
< div class = "line" > < a id = "l00156" name = "l00156" > < / a > < span class = "lineno" > 156< / span > < span class = "comment" > // we have the choice of which tree to merge into the other.< / span > < / div >
< div class = "line" > < a id = "l00157" name = "l00157" > < / a > < span class = "lineno" > 157< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00158" name = "l00158" > < / a > < span class = "lineno" > 158< / span > < span class = "comment" > // TODO(user): Using a " rank" might be faster, but because we sometimes< / span > < / div >
< div class = "line" > < a id = "l00159" name = "l00159" > < / a > < span class = "lineno" > 159< / span > < span class = "comment" > // need to merge the bad subtree into the better one, it is trickier to< / span > < / div >
< div class = "line" > < a id = "l00160" name = "l00160" > < / a > < span class = "lineno" > 160< / span > < span class = "comment" > // maintain than in the classic union-find algorithm.< / span > < / div >
< div class = "line" > < a id = "l00161" name = "l00161" > < / a > < span class = "lineno" > 161< / span > std::vector< int> size_;< / 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" > // Used by CompressPath() to maintain the coeff/offset during compression.< / span > < / div >
< div class = "line" > < a id = "l00164" name = "l00164" > < / a > < span class = "lineno" > 164< / span > < span class = "keyword" > mutable< / span > std::vector< int> tmp_path_;< / div >
< div class = "line" > < a id = "l00165" name = "l00165" > < / a > < span class = "lineno" > 165< / span > };< / 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" > < a class = "line" href = "classoperations__research_1_1_affine_relation.html#a3fd7611957e9eaebe9d43c23705e720b" > 167< / a > < / span > < span class = "keyword" > inline< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1_affine_relation.html#a3fd7611957e9eaebe9d43c23705e720b" > AffineRelation::TryAdd< / a > (< span class = "keywordtype" > int< / span > x, < span class = "keywordtype" > int< / span > y, int64_t < a class = "code hl_variable" href = "variable__and__expressions_8cc.html#a2091cd7d80fdd31762020bce86138587" > coeff< / a > ,< / div >
< div class = "line" > < a id = "l00168" name = "l00168" > < / a > < span class = "lineno" > 168< / span > int64_t offset) {< / div >
< div class = "line" > < a id = "l00169" name = "l00169" > < / a > < span class = "lineno" > 169< / span > < span class = "keywordflow" > return< / span > < a class = "code hl_function" href = "classoperations__research_1_1_affine_relation.html#a3fd7611957e9eaebe9d43c23705e720b" > TryAdd< / a > (x, y, < a class = "code hl_variable" href = "variable__and__expressions_8cc.html#a2091cd7d80fdd31762020bce86138587" > coeff< / a > , offset, < span class = "keyword" > true< / span > , < span class = "keyword" > true< / 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" > < a class = "line" href = "classoperations__research_1_1_affine_relation.html#aab37f78ced0c4e5a04ecc60152ab0e27" > 172< / a > < / span > < span class = "keyword" > inline< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1_affine_relation.html#a3fd7611957e9eaebe9d43c23705e720b" > AffineRelation::TryAdd< / a > (< span class = "keywordtype" > int< / span > x, < span class = "keywordtype" > int< / span > y, int64_t < a class = "code hl_variable" href = "variable__and__expressions_8cc.html#a2091cd7d80fdd31762020bce86138587" > coeff< / a > , int64_t offset,< / div >
< div class = "line" > < a id = "l00173" name = "l00173" > < / a > < span class = "lineno" > 173< / span > < span class = "keywordtype" > bool< / span > allow_rep_x, < span class = "keywordtype" > bool< / span > allow_rep_y) {< / div >
< div class = "line" > < a id = "l00174" name = "l00174" > < / a > < span class = "lineno" > 174< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb" > CHECK_NE< / a > (< a class = "code hl_variable" href = "variable__and__expressions_8cc.html#a2091cd7d80fdd31762020bce86138587" > coeff< / a > , 0);< / div >
< div class = "line" > < a id = "l00175" name = "l00175" > < / a > < span class = "lineno" > 175< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb" > CHECK_NE< / a > (x, y);< / div >
< div class = "line" > < a id = "l00176" name = "l00176" > < / a > < span class = "lineno" > 176< / span > < a class = "code hl_define" href = "base_2logging_8h.html#a7cc25402ecd7591b4c39934dd656b1f9" > CHECK_GE< / a > (x, 0);< / div >
< div class = "line" > < a id = "l00177" name = "l00177" > < / a > < span class = "lineno" > 177< / span > < a class = "code hl_define" href = "base_2logging_8h.html#a7cc25402ecd7591b4c39934dd656b1f9" > CHECK_GE< / a > (y, 0);< / div >
< div class = "line" > < a id = "l00178" name = "l00178" > < / a > < span class = "lineno" > 178< / span > IncreaseSizeOfMemberVectors(< a class = "code hl_variable" href = "alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f" > std::max< / a > (x, y) + 1);< / 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#ab25e01a2942b821d66371fc68d53f2eb" > CHECK_NE< / a > (size_[x], kSizeForRemovedEntry) < < x;< / div >
< div class = "line" > < a id = "l00180" name = "l00180" > < / a > < span class = "lineno" > 180< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb" > CHECK_NE< / a > (size_[y], kSizeForRemovedEntry) < < y;< / div >
< div class = "line" > < a id = "l00181" name = "l00181" > < / a > < span class = "lineno" > 181< / span > CompressPath(x);< / div >
< div class = "line" > < a id = "l00182" name = "l00182" > < / a > < span class = "lineno" > 182< / span > CompressPath(y);< / div >
< div class = "line" > < a id = "l00183" name = "l00183" > < / a > < span class = "lineno" > 183< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > rep_x = representative_[x];< / div >
< div class = "line" > < a id = "l00184" name = "l00184" > < / a > < span class = "lineno" > 184< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > rep_y = representative_[y];< / div >
< div class = "line" > < a id = "l00185" name = "l00185" > < / a > < span class = "lineno" > 185< / span > < span class = "keywordflow" > if< / span > (rep_x == rep_y) < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a id = "l00186" name = "l00186" > < / a > < span class = "lineno" > 186< / span > < / div >
< div class = "line" > < a id = "l00187" name = "l00187" > < / a > < span class = "lineno" > 187< / span > < span class = "comment" > // TODO(user): It should be possible to optimize this code block a bit, for< / span > < / div >
< div class = "line" > < a id = "l00188" name = "l00188" > < / a > < span class = "lineno" > 188< / span > < span class = "comment" > // instance depending on the magnitude of new_coeff vs coeff_x, we may already< / span > < / div >
< div class = "line" > < a id = "l00189" name = "l00189" > < / a > < span class = "lineno" > 189< / span > < span class = "comment" > // know that one of the two merge is not possible.< / span > < / div >
< div class = "line" > < a id = "l00190" name = "l00190" > < / a > < span class = "lineno" > 190< / span > < span class = "keyword" > const< / span > int64_t coeff_x = coeff_[x];< / div >
< div class = "line" > < a id = "l00191" name = "l00191" > < / a > < span class = "lineno" > 191< / span > < span class = "keyword" > const< / span > int64_t new_coeff = < a class = "code hl_variable" href = "variable__and__expressions_8cc.html#a2091cd7d80fdd31762020bce86138587" > coeff< / a > * coeff_[y];< / div >
< div class = "line" > < a id = "l00192" name = "l00192" > < / a > < span class = "lineno" > 192< / span > < span class = "keyword" > const< / span > int64_t new_offset = < a class = "code hl_variable" href = "variable__and__expressions_8cc.html#a2091cd7d80fdd31762020bce86138587" > coeff< / a > * offset_[y] + offset - offset_[x];< / div >
< div class = "line" > < a id = "l00193" name = "l00193" > < / a > < span class = "lineno" > 193< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > bool< / span > condition1 =< / div >
< div class = "line" > < a id = "l00194" name = "l00194" > < / a > < span class = "lineno" > 194< / span > allow_rep_y & & (new_coeff % coeff_x == 0) & & (new_offset % coeff_x == 0);< / div >
< div class = "line" > < a id = "l00195" name = "l00195" > < / a > < span class = "lineno" > 195< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > bool< / span > condition2 = allow_rep_x & & (coeff_x % new_coeff == 0) & & < / div >
< div class = "line" > < a id = "l00196" name = "l00196" > < / a > < span class = "lineno" > 196< / span > (new_offset % new_coeff == 0);< / div >
< div class = "line" > < a id = "l00197" name = "l00197" > < / a > < span class = "lineno" > 197< / span > < span class = "keywordflow" > if< / span > (condition1 & & (!condition2 || size_[x] < = size_[y])) {< / div >
< div class = "line" > < a id = "l00198" name = "l00198" > < / a > < span class = "lineno" > 198< / span > representative_[rep_x] = rep_y;< / div >
< div class = "line" > < a id = "l00199" name = "l00199" > < / a > < span class = "lineno" > 199< / span > size_[rep_y] += size_[rep_x];< / div >
< div class = "line" > < a id = "l00200" name = "l00200" > < / a > < span class = "lineno" > 200< / span > coeff_[rep_x] = new_coeff / coeff_x;< / div >
< div class = "line" > < a id = "l00201" name = "l00201" > < / a > < span class = "lineno" > 201< / span > offset_[rep_x] = new_offset / coeff_x;< / div >
< div class = "line" > < a id = "l00202" name = "l00202" > < / a > < span class = "lineno" > 202< / span > } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (condition2) {< / div >
< div class = "line" > < a id = "l00203" name = "l00203" > < / a > < span class = "lineno" > 203< / span > representative_[rep_y] = rep_x;< / div >
< div class = "line" > < a id = "l00204" name = "l00204" > < / a > < span class = "lineno" > 204< / span > size_[rep_x] += size_[rep_y];< / div >
< div class = "line" > < a id = "l00205" name = "l00205" > < / a > < span class = "lineno" > 205< / span > coeff_[rep_y] = coeff_x / new_coeff;< / div >
< div class = "line" > < a id = "l00206" name = "l00206" > < / a > < span class = "lineno" > 206< / span > offset_[rep_y] = -new_offset / new_coeff;< / div >
< div class = "line" > < a id = "l00207" name = "l00207" > < / a > < span class = "lineno" > 207< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00208" name = "l00208" > < / a > < span class = "lineno" > 208< / span > < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / 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 > ++num_relations_;< / div >
< div class = "line" > < a id = "l00211" name = "l00211" > < / a > < span class = "lineno" > 211< / span > < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a id = "l00212" name = "l00212" > < / a > < span class = "lineno" > 212< / span > }< / div >
< div class = "line" > < a id = "l00213" name = "l00213" > < / a > < span class = "lineno" > 213< / span > < / div >
< div class = "line" > < a id = "l00214" name = "l00214" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_affine_relation.html#ac776696766f8c91ca8abc02f41d5854b" > 214< / a > < / span > < span class = "keyword" > inline< / span > < a class = "code hl_struct" href = "structoperations__research_1_1_affine_relation_1_1_relation.html" > AffineRelation::Relation< / a > < a class = "code hl_function" href = "classoperations__research_1_1_affine_relation.html#ac776696766f8c91ca8abc02f41d5854b" > AffineRelation::Get< / a > (< span class = "keywordtype" > int< / span > x)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a id = "l00215" name = "l00215" > < / a > < span class = "lineno" > 215< / span > < span class = "keywordflow" > if< / span > (x > = representative_.size() || representative_[x] == x) < span class = "keywordflow" > return< / span > {x, 1, 0};< / div >
< div class = "line" > < a id = "l00216" name = "l00216" > < / a > < span class = "lineno" > 216< / span > CompressPath(x);< / div >
< div class = "line" > < a id = "l00217" name = "l00217" > < / a > < span class = "lineno" > 217< / span > < span class = "keywordflow" > return< / span > {representative_[x], coeff_[x], offset_[x]};< / div >
< div class = "line" > < a id = "l00218" name = "l00218" > < / a > < span class = "lineno" > 218< / span > }< / 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 > } < span class = "comment" > // namespace operations_research< / span > < / div >
< div class = "line" > < a id = "l00221" name = "l00221" > < / a > < span class = "lineno" > 221< / span > < / div >
< div class = "line" > < a id = "l00222" name = "l00222" > < / a > < span class = "lineno" > 222< / span > < span class = "preprocessor" > #endif < / span > < span class = "comment" > // OR_TOOLS_UTIL_AFFINE_RELATION_H_< / span > < / div >
< div class = "ttc" id = "aalldiff__cst_8cc_html_a26e6db9bcc64b584051ecc28171ed11f" > < div class = "ttname" > < a href = "alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f" > max< / a > < / div > < div class = "ttdeci" > int64_t max< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "alldiff__cst_8cc_source.html#l00140" > alldiff_cst.cc:140< / a > < / div > < / 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_a7c0ce053b28d53aa4eaf3eb7fb71663b" > < div class = "ttname" > < a href = "base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b" > CHECK_EQ< / a > < / div > < div class = "ttdeci" > #define CHECK_EQ(val1, val2)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00703" > base/logging.h:703< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_a7cc25402ecd7591b4c39934dd656b1f9" > < div class = "ttname" > < a href = "base_2logging_8h.html#a7cc25402ecd7591b4c39934dd656b1f9" > CHECK_GE< / a > < / div > < div class = "ttdeci" > #define CHECK_GE(val1, val2)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00707" > base/logging.h:707< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_a7e03ec13560fa94a8fea569960d7efc6" > < div class = "ttname" > < a href = "base_2logging_8h.html#a7e03ec13560fa94a8fea569960d7efc6" > CHECK_GT< / a > < / div > < div class = "ttdeci" > #define CHECK_GT(val1, val2)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00708" > base/logging.h:708< / a > < / div > < / div >
< 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_ab25e01a2942b821d66371fc68d53f2eb" > < div class = "ttname" > < a href = "base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb" > CHECK_NE< / a > < / div > < div class = "ttdeci" > #define CHECK_NE(val1, val2)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00704" > base/logging.h:704< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_ab62f5ed8f2d48e29802be0cbbcd1359a" > < div class = "ttname" > < a href = "base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a" > DCHECK_LT< / a > < / div > < div class = "ttdeci" > #define DCHECK_LT(val1, val2)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00894" > base/logging.h:894< / a > < / div > < / div >
2022-01-17 21:42:14 +01:00
< div class = "ttc" id = "aclassoperations__research_1_1_affine_relation_html" > < div class = "ttname" > < a href = "classoperations__research_1_1_affine_relation.html" > operations_research::AffineRelation< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "affine__relation_8h_source.html#l00036" > affine_relation.h:36< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_affine_relation_html_a2dfbb2acebf03bbb98cc1c54256fdead" > < div class = "ttname" > < a href = "classoperations__research_1_1_affine_relation.html#a2dfbb2acebf03bbb98cc1c54256fdead" > operations_research::AffineRelation::IgnoreFromClassSize< / a > < / div > < div class = "ttdeci" > void IgnoreFromClassSize(int x)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "affine__relation_8h_source.html#l00096" > affine_relation.h:96< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_affine_relation_html_a3fd7611957e9eaebe9d43c23705e720b" > < div class = "ttname" > < a href = "classoperations__research_1_1_affine_relation.html#a3fd7611957e9eaebe9d43c23705e720b" > operations_research::AffineRelation::TryAdd< / a > < / div > < div class = "ttdeci" > bool TryAdd(int x, int y, int64_t coeff, int64_t offset)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "affine__relation_8h_source.html#l00167" > affine_relation.h:167< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_affine_relation_html_a430114d1f3d055605606f93cc0a195e0" > < div class = "ttname" > < a href = "classoperations__research_1_1_affine_relation.html#a430114d1f3d055605606f93cc0a195e0" > operations_research::AffineRelation::AffineRelation< / a > < / div > < div class = "ttdeci" > AffineRelation()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "affine__relation_8h_source.html#l00038" > affine_relation.h:38< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_affine_relation_html_abc96755c0de80a81fd2730d3f2e85523" > < div class = "ttname" > < a href = "classoperations__research_1_1_affine_relation.html#abc96755c0de80a81fd2730d3f2e85523" > operations_research::AffineRelation::ClassSize< / a > < / div > < div class = "ttdeci" > int ClassSize(int x) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "affine__relation_8h_source.html#l00110" > affine_relation.h:110< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_affine_relation_html_ac776696766f8c91ca8abc02f41d5854b" > < div class = "ttname" > < a href = "classoperations__research_1_1_affine_relation.html#ac776696766f8c91ca8abc02f41d5854b" > operations_research::AffineRelation::Get< / a > < / div > < div class = "ttdeci" > Relation Get(int x) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "affine__relation_8h_source.html#l00214" > affine_relation.h:214< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_affine_relation_html_acee7699cd3aad1b8ce9721e4952b36e7" > < div class = "ttname" > < a href = "classoperations__research_1_1_affine_relation.html#acee7699cd3aad1b8ce9721e4952b36e7" > operations_research::AffineRelation::NumRelations< / a > < / div > < div class = "ttdeci" > int NumRelations() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "affine__relation_8h_source.html#l00041" > affine_relation.h:41< / a > < / div > < / div >
< div class = "ttc" id = "aexpr__array_8cc_html_a472a99923cbe11ae7b5a5d157d9ad465" > < div class = "ttname" > < a href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > < / div > < div class = "ttdeci" > IntVar * var< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "expr__array_8cc_source.html#l01874" > expr_array.cc:1874< / a > < / div > < / div >
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< div class = "ttc" id = "anamespacegtl_html_a45d76e4ed7c0294917917c69ef7313cf" > < div class = "ttname" > < a href = "namespacegtl.html#a45d76e4ed7c0294917917c69ef7313cf" > gtl::reversed_view< / a > < / div > < div class = "ttdeci" > ReverseView< Container > reversed_view(const Container & c)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "iterator__adaptors_8h_source.html#l00033" > iterator_adaptors.h:33< / 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 = "astructoperations__research_1_1_affine_relation_1_1_relation_html" > < div class = "ttname" > < a href = "structoperations__research_1_1_affine_relation_1_1_relation.html" > operations_research::AffineRelation::Relation< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "affine__relation_8h_source.html#l00076" > affine_relation.h:76< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1_affine_relation_1_1_relation_html_a537e59662a0751edfbbd2a0079a794b4" > < div class = "ttname" > < a href = "structoperations__research_1_1_affine_relation_1_1_relation.html#a537e59662a0751edfbbd2a0079a794b4" > operations_research::AffineRelation::Relation::coeff< / a > < / div > < div class = "ttdeci" > int64_t coeff< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "affine__relation_8h_source.html#l00078" > affine_relation.h:78< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1_affine_relation_1_1_relation_html_a835ae9099bb043e279d56804f48ef2fa" > < div class = "ttname" > < a href = "structoperations__research_1_1_affine_relation_1_1_relation.html#a835ae9099bb043e279d56804f48ef2fa" > operations_research::AffineRelation::Relation::operator==< / a > < / div > < div class = "ttdeci" > const bool operator==(const Relation & other) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "affine__relation_8h_source.html#l00085" > affine_relation.h:85< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1_affine_relation_1_1_relation_html_a9cd7348f04d9870712854850b4aa7ba9" > < div class = "ttname" > < a href = "structoperations__research_1_1_affine_relation_1_1_relation.html#a9cd7348f04d9870712854850b4aa7ba9" > operations_research::AffineRelation::Relation::Relation< / a > < / div > < div class = "ttdeci" > Relation(int r, int64_t c, int64_t o)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "affine__relation_8h_source.html#l00081" > affine_relation.h:81< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1_affine_relation_1_1_relation_html_aa8eba41c8681366b1feb55758a548f74" > < div class = "ttname" > < a href = "structoperations__research_1_1_affine_relation_1_1_relation.html#aa8eba41c8681366b1feb55758a548f74" > operations_research::AffineRelation::Relation::Relation< / a > < / div > < div class = "ttdeci" > Relation(int r)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "affine__relation_8h_source.html#l00083" > affine_relation.h:83< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1_affine_relation_1_1_relation_html_ae25fb5067bd6b3b1b319efc61685a98f" > < div class = "ttname" > < a href = "structoperations__research_1_1_affine_relation_1_1_relation.html#ae25fb5067bd6b3b1b319efc61685a98f" > operations_research::AffineRelation::Relation::offset< / a > < / div > < div class = "ttdeci" > int64_t offset< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "affine__relation_8h_source.html#l00079" > affine_relation.h:79< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1_affine_relation_1_1_relation_html_af5eb1e0745f18d589b9c552215bef515" > < div class = "ttname" > < a href = "structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515" > operations_research::AffineRelation::Relation::representative< / a > < / div > < div class = "ttdeci" > int representative< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "affine__relation_8h_source.html#l00077" > affine_relation.h:77< / a > < / div > < / div >
2022-03-04 00:11:33 +01:00
< div class = "ttc" id = "avariable__and__expressions_8cc_html_a2091cd7d80fdd31762020bce86138587" > < div class = "ttname" > < a href = "variable__and__expressions_8cc.html#a2091cd7d80fdd31762020bce86138587" > coeff< / a > < / div > < div class = "ttdeci" > const double coeff< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "variable__and__expressions_8cc_source.html#l00105" > variable_and_expressions.cc:105< / a > < / div > < / div >
2021-01-26 11:28:50 +01:00
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