We (will) need ScCalcConfig also for formula groups

The settings for interpretation of text (string) cells as numbers affect
whether OpenCL can be used or not to get expected results, when operating on
vectors that contain also text cells.

Change-Id: I0a7fd657038846ba762aa6ee6a95c001aea8f124

sc/inc/formulagroup.hxx

@@ -13,6 +13,7 @@
 #include <config_features.h>
 
 #include "address.hxx"
+#include "calcconfig.hxx"
 #include "types.hxx"
 #include "stlalgorithm.hxx"
 
@@ -120,11 +121,17 @@ public:
 class SC_DLLPUBLIC FormulaGroupInterpreter
 {
     static FormulaGroupInterpreter *msInstance;
- protected:
+
+protected:
+    ScCalcConfig maCalcConfig;
+
     FormulaGroupInterpreter() {}
     virtual ~FormulaGroupInterpreter() {}
 
- public:
+    /// Merge global and document specific settings.
+    void MergeCalcConfig(const ScDocument& rDoc);
+
+public:
     static FormulaGroupInterpreter *getStatic();
 #if HAVE_FEATURE_OPENCL
     static void fillOpenCLInfo(std::vector<OpenCLPlatformInfo>& rPlatforms);

sc/source/core/tool/formulagroup.cxx

@@ -464,6 +464,12 @@ bool FormulaGroupInterpreterSoftware::interpret(ScDocument& rDoc, const ScAddres
 
 FormulaGroupInterpreter *FormulaGroupInterpreter::msInstance = NULL;
 
+void FormulaGroupInterpreter::MergeCalcConfig(const ScDocument& rDoc)
+{
+    maCalcConfig = ScInterpreter::GetGlobalConfig();
+    maCalcConfig.MergeDocumentSpecific(rDoc.GetCalcConfig());
+}
+
 /// load and/or configure the correct formula group interpreter
 FormulaGroupInterpreter *FormulaGroupInterpreter::getStatic()
 {