Fixes to compiler errors, setRegressionProperties description.

Change-Id: I40ef93746e5f2a43ce58f0080db0b643e22404a1

chart2/source/inc/LinearRegressionCurveCalculator.hxx

@@ -36,7 +36,8 @@ private:
         sal_Int32 aDegree,
         sal_Bool  aForceIntercept,
         double    aInterceptValue,
-        sal_Int32 aPeriod);
+        sal_Int32 aPeriod)
+        throw (com::sun::star::uno::RuntimeException);
 
     virtual com::sun::star::uno::Sequence< com::sun::star::geometry::RealPoint2D > SAL_CALL getCurveValues(
         double min,

chart2/source/inc/RegressionCurveCalculator.hxx

@@ -62,7 +62,8 @@ protected:
         sal_Int32 aDegree,
         sal_Bool  aForceIntercept,
         double    aInterceptValue,
-        sal_Int32 aPeriod);
+        sal_Int32 aPeriod)
+            throw (com::sun::star::uno::RuntimeException);
 
     virtual void SAL_CALL recalculateRegression(
         const com::sun::star::uno::Sequence< double >& aXValues,

chart2/source/tools/LinearRegressionCurveCalculator.cxx

@@ -26,7 +26,6 @@
 
 using namespace ::com::sun::star;
 
-
 namespace chart
 {
 
@@ -41,7 +40,8 @@ void LinearRegressionCurveCalculator::setRegressionProperties(
     sal_Int32 /*aDegree*/,
     sal_Bool  aForceIntercept,
     double    aInterceptValue,
-        sal_Int32 aPeriod)
+    sal_Int32 aPeriod )
+        throw (uno::RuntimeException)
 {
     PolynomialRegressionCurveCalculator::setRegressionProperties(
                                             1,

chart2/source/tools/RegressionCurveCalculator.cxx

@@ -73,7 +73,8 @@ void RegressionCurveCalculator::setRegressionProperties(
     sal_Int32   aDegree,
     sal_Bool    aForceIntercept,
     double      aInterceptValue,
-    sal_Int32   aPeriod)
+    sal_Int32   aPeriod )
+        throw (uno::RuntimeException)
 {
     mDegree = aDegree;
     mForceIntercept = aForceIntercept;

offapi/com/sun/star/chart2/XRegressionCurveCalculator.idl

@@ -36,7 +36,23 @@ module chart2
 
 interface XRegressionCurveCalculator : com::sun::star::uno::XInterface
 {
+    /** set calculation properties for curve calculation.
 
+        @param degree
+            Degree of polynomial regression curve, value should be greater than zero
+            If the curve is not polynomial, this property has no effect.
+
+        @param period
+            Period of a moving average regression curve, value should greater or equal to 2
+            If the curve is not moving average regression curve, this property has no effect.
+
+        @param forceIntercept
+            Should force the intercept value.
+
+        @param interceptValue
+            Intercept value.
+
+    */
     void setRegressionProperties( [in] long degree,
                                   [in] boolean forceIntercept,
                                   [in] double interceptValue,

xmloff/source/chart/SchXMLSeries2Context.cxx

@@ -871,7 +871,7 @@ void SchXMLSeries2Context::setStylesToRegressionCurves(
         try
         {
             OUString aServiceName;
-            XMLPropStyleContext* pPropStyleContext;
+            XMLPropStyleContext* pPropStyleContext = NULL;
 
             if (!rCurrentStyleName.isEmpty())
             {
@@ -910,6 +910,7 @@ void SchXMLSeries2Context::setStylesToRegressionCurves(
                 if( xRegCurve.is())
                 {
                     Reference< beans::XPropertySet > xCurveProperties( xRegCurve, uno::UNO_QUERY );
+                    if( pPropStyleContext != NULL)
                         pPropStyleContext->FillPropertySet( xCurveProperties );
 
                     xRegCurve->setEquationProperties( iStyle->m_xEquationProperties );