Add comment on bug

src/interface/Interval_select.cpp

@@ -136,6 +136,11 @@ void Interval_select::update_values() {
 }
 
 void Interval_select::on_minSpinBox_valueChanged(double value) {
+    /**
+     * This method can also change the maxSpinBox value on large trace
+     * This is due to scaled float precision error in the apply_zoom_box function (called by apply_settings)
+     */
+
     QPalette myPalette(minSpinBox->palette());
 
     if (value < maxSpinBox->value()) {
@@ -165,6 +170,10 @@ void Interval_select::on_minSpinBox_valueChanged(double value) {
 }
 
 void Interval_select::on_maxSpinBox_valueChanged(double value) {
+    /**
+     * This method can also change the minSpinBox value on large trace
+     * This is due to scaled float precision error in the apply_zoom_box function (called by apply_settings)
+     */
     QPalette myPalette(minSpinBox->palette());
 
     if (value > minSpinBox->value()) {