diff options
Diffstat (limited to 'src/widgets/graphicsview/qsimplex_p.cpp')
| -rw-r--r-- | src/widgets/graphicsview/qsimplex_p.cpp | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/widgets/graphicsview/qsimplex_p.cpp b/src/widgets/graphicsview/qsimplex_p.cpp index b827ab1400..d4e2e2f922 100644 --- a/src/widgets/graphicsview/qsimplex_p.cpp +++ b/src/widgets/graphicsview/qsimplex_p.cpp @@ -153,9 +153,11 @@ bool QSimplex::setConstraints(const QList<QSimplexConstraint *> &newConstraints) // "variables" is a list that provides a stable, indexed list of all variables // used in this problem. QSet<QSimplexVariable *> variablesSet; - for (int i = 0; i < constraints.size(); ++i) - variablesSet += \ - QSet<QSimplexVariable *>::fromList(constraints[i]->variables.keys()); + for (int i = 0; i < constraints.size(); ++i) { + const auto &v = constraints.at(i)->variables; + for (auto it = v.cbegin(), end = v.cend(); it != end; ++it) + variablesSet.insert(it.key()); + } variables = variablesSet.toList(); // Set Variables reverse mapping |