OR-Tools  9.1
sparse_collection_matchers.cc
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2 // Licensed under the Apache License, Version 2.0 (the "License");
3 // you may not use this file except in compliance with the License.
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5 //
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10 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
11 // See the License for the specific language governing permissions and
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13 
15 
16 #include <cstdint>
17 #include <initializer_list>
18 #include <tuple>
19 #include <utility>
20 
21 #include "ortools/math_opt/sparse_containers.pb.h"
22 
23 namespace operations_research {
24 namespace math_opt {
25 
26 SparseDoubleVectorProto MakeSparseDoubleVector(
27  std::initializer_list<std::pair<int64_t, double>> pairs) {
28  SparseDoubleVectorProto ret;
29  for (const auto [id, value] : pairs) {
30  ret.add_ids(id);
31  ret.add_values(value);
32  }
33  return ret;
34 }
35 
36 SparseBoolVectorProto MakeSparseBoolVector(
37  std::initializer_list<std::pair<int64_t, bool>> pairs) {
38  SparseBoolVectorProto ret;
39  for (const auto [id, value] : pairs) {
40  ret.add_ids(id);
41  ret.add_values(value);
42  }
43  return ret;
44 }
45 
46 SparseDoubleMatrixProto MakeSparseDoubleMatrix(
47  std::initializer_list<std::tuple<int64_t, int64_t, double>> values) {
48  SparseDoubleMatrixProto ret;
49  for (const auto [row, col, coefficient] : values) {
50  ret.add_row_ids(row);
51  ret.add_column_ids(col);
52  ret.add_coefficients(coefficient);
53  }
54  return ret;
55 }
56 
57 } // namespace math_opt
58 } // namespace operations_research
SparseDoubleVectorProto MakeSparseDoubleVector(std::initializer_list< std::pair< int64_t, double >> pairs)
ColIndex col
Definition: markowitz.cc:183
RowIndex row
Definition: markowitz.cc:182
int64_t coefficient
SparseDoubleMatrixProto MakeSparseDoubleMatrix(std::initializer_list< std::tuple< int64_t, int64_t, double >> values)
SparseBoolVectorProto MakeSparseBoolVector(std::initializer_list< std::pair< int64_t, bool >> pairs)
Collection of objects used to extend the Constraint Solver library.
int64_t value