diff options
| -rw-r--r-- | src/control.cc | 5 | ||||
| -rw-r--r-- | src/value.h | 10 |
2 files changed, 12 insertions, 3 deletions
diff --git a/src/control.cc b/src/control.cc index db12f71..c50402f 100644 --- a/src/control.cc +++ b/src/control.cc @@ -79,7 +79,7 @@ void ControlModule::for_eval(AbstractNode &node, const ModuleInstantiation &inst if (it_values.type() == Value::RANGE) { Value::RangeType range = it_values.toRange(); range.normalize(); - if ((range.step > 0) && (range.begin-range.end)/range.step < 10000) { + if (range.nbsteps()<10000) { for (double i = range.begin; i <= range.end; i += range.step) { c.set_variable(it_name, Value(i)); for_eval(node, inst, l+1, &c, evalctx); @@ -147,6 +147,7 @@ AbstractNode* ControlModule::getChild(const Value& value, const EvalContext* mod // (e.g. first child of difference is invalid) PRINTB("WARNING: Children index (%d) out of bounds (%d children)" , n % modulectx->numChildren()); + return NULL; } // OK return modulectx->getChild(n)->evaluate(modulectx); @@ -226,7 +227,7 @@ AbstractNode *ControlModule::instantiate(const Context* /*ctx*/, const ModuleIns AbstractNode* node = new AbstractNode(inst); Value::RangeType range = value.toRange(); range.normalize(); - if ((range.step>0) && ((range.begin-range.end)/range.step>=10000)) { + if (range.nbsteps()>=10000) { PRINTB("WARNING: Bad range parameter for children: too many elements (%d).", (int)((range.begin-range.end)/range.step)); return NULL; } diff --git a/src/value.h b/src/value.h index 4d8346f..388b721 100644 --- a/src/value.h +++ b/src/value.h @@ -4,6 +4,7 @@ #include <vector> #include <string> #include <algorithm> +#include <limits> // Workaround for https://bugreports.qt-project.org/browse/QTBUG-22829 #ifndef Q_MOC_RUN @@ -42,10 +43,17 @@ public: /// inverse begin/end if begin is upper than end void normalize() { - if (end < begin) { + if ((step>0) && (end < begin)) { std::swap(begin,end); } } + /// return number of steps, max int value if step is null + int nbsteps() const { + if (step<=0) { + return std::numeric_limits<int>::max(); + } + return (int)((begin-end)/step); + } double begin; double step; |