prevent livelock on NaN, inf control parameters - fixes #6789
|: Gtk::Adjustment::value_changed AutomationControl::set_value Controllable::Changed GUI Event Loop Gtk::Adjustment::set_value :| TODO: check portability of `isfinite ()`
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@ -199,6 +199,9 @@ AutomationControl::internal_to_interface (double val) const
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double
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AutomationControl::interface_to_internal (double val) const
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{
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if (!isfinite (val)) {
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val = 0;
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}
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if (_desc.logarithmic) {
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if (val <= 0) {
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val = 0;
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