Bump lowest possible min for numeric parameters to -DBL_MAX + 1

We need to reserve -DBL_MAX as a special value, to allow it to work correctly in QDoubleSpinBoxes (limitation of QDoubleSpinBox)
qgis · Dec 1, 2017 · 297e856 · 297e856
1 parent 6b56565
commit 297e856
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Showing 3 changed files with 4 additions and 4 deletions.
diff --git a/python/core/processing/qgsprocessingparameters.sip b/python/core/processing/qgsprocessingparameters.sip
@@ -1129,7 +1129,7 @@ class QgsProcessingParameterNumber : QgsProcessingParameterDefinition
                                            Type type = Integer,
                                            const QVariant &defaultValue = QVariant(),
                                            bool optional = false,
-                                           double minValue = -DBL_MAX,
+                                           double minValue = -DBL_MAX + 1,
                                            double maxValue = DBL_MAX
                                          );
 %Docstring

diff --git a/src/core/processing/qgsprocessingparameters.cpp b/src/core/processing/qgsprocessingparameters.cpp
@@ -2003,7 +2003,7 @@ QString QgsProcessingParameterNumber::toolTip() const
 {
   QString text = QgsProcessingParameterDefinition::toolTip();
   QStringList parts;
-  if ( mMin > -DBL_MAX )
+  if ( mMin > -DBL_MAX + 1 )
     parts << QObject::tr( "Minimum value: %1" ).arg( mMin );
   if ( mMax < DBL_MAX )
     parts << QObject::tr( "Maximum value: %1" ).arg( mMax );

diff --git a/src/core/processing/qgsprocessingparameters.h b/src/core/processing/qgsprocessingparameters.h
@@ -1099,7 +1099,7 @@ class CORE_EXPORT QgsProcessingParameterNumber : public QgsProcessingParameterDe
                                            Type type = Integer,
                                            const QVariant &defaultValue = QVariant(),
                                            bool optional = false,
-                                           double minValue = -DBL_MAX,
+                                           double minValue = -DBL_MAX + 1,
                                            double maxValue = DBL_MAX
                                          );
 
@@ -1159,7 +1159,7 @@ class CORE_EXPORT QgsProcessingParameterNumber : public QgsProcessingParameterDe
 
   private:
 
-    double mMin = -DBL_MAX;
+    double mMin = -DBL_MAX + 1;
     double mMax = DBL_MAX;
     Type mDataType = Integer;
 };