--- file_not_specified_in_diff	
+++ file_not_specified_in_diff	
@@ -, +, @@ 
--- main/sc/source/ui/unoobj/chart2uno.cxx
+++ main/sc/source/ui/unoobj/chart2uno.cxx
@@ -3035,31 +3035,32 @@ uno::Sequence< double > SAL_CALL ScChart2DataSequence::getNumericalData()
         }
         else
         {
-            sal_Int32 nMax = 0, nMin = 0, nMaxStep = 0, nMinStep = 0;
+            double fMax = 0, fMin = 0;
+            int nMaxStep = -1, nMinStep = -1;
             for (sal_Int32 j = 0; j < nStep; j++)
             {
-                sal_Int32 nValue = itr->mbIsValue ? itr->mfValue : fNAN;
-                if (nValue > nMax)
+                const double fValue = itr->mbIsValue ? itr->mfValue : fNAN;
+                if( (fMax < fValue) || (nMaxStep < 0))
                 {
-                    nMax = nValue;
+                    fMax = fValue;
                     nMaxStep = j;
                 }
-                if (nValue < nMin)
+                if( (fMin > fValue) || (nMinStep < 0))
                 {
-                    nMin = nValue;
+                    fMin = fValue;
                     nMinStep = j;
                 }
                 itr++;
             }
             if (nMaxStep > nMinStep)
             {
-                *pArr++ = nMin;
-                *pArr++ = nMax;
+                *(pArr++) = fMin;
+                *(pArr++) = fMax;
             }
             else
             {
-                *pArr++ = nMax;
-                *pArr++ = nMin;
+                *(pArr++) = fMax;
+                *(pArr++) = fMin;
             }
         }
     }