Translate German variable names in Calc (financial)

These names of variables correspond to German function names in Calc
and were translated to their English equivalents. For used translations,
see, e.g., https://translations.documentfoundation.org/de/libo54_help/translate/#search=kapz&sfields=target

Change-Id: Ifffa1ae8394cafde6dd7a78626b957e07919d5c9
Reviewed-on: https://gerrit.libreoffice.org/42991Reviewed-by: Eike Rathke <erack@redhat.com>
Tested-by: Eike Rathke <erack@redhat.com>

scaddins/source/analysis/financial.cxx

@@ -123,15 +123,15 @@ double SAL_CALL AnalysisAddIn::getEffect( double fNominal, sal_Int32 nPeriods )
 double SAL_CALL AnalysisAddIn::getCumprinc( double fRate, sal_Int32 nNumPeriods, double fVal,
     sal_Int32 nStartPer, sal_Int32 nEndPer, sal_Int32 nPayType )
 {
-    double fRmz, fKapZ;
+    double fPmt, fPpmt;
 
     if( nStartPer < 1 || nEndPer < nStartPer || fRate <= 0.0 || nEndPer > nNumPeriods  || nNumPeriods <= 0 ||
         fVal <= 0.0 || ( nPayType != 0 && nPayType != 1 ) )
         throw css::lang::IllegalArgumentException();
 
-    fRmz = GetRmz( fRate, nNumPeriods, fVal, 0.0, nPayType );
+    fPmt = GetRmz( fRate, nNumPeriods, fVal, 0.0, nPayType );
 
-    fKapZ = 0.0;
+    fPpmt = 0.0;
 
     sal_uInt32  nStart = sal_uInt32( nStartPer );
     sal_uInt32  nEnd = sal_uInt32( nEndPer );
@@ -139,9 +139,9 @@ double SAL_CALL AnalysisAddIn::getCumprinc( double fRate, sal_Int32 nNumPeriods,
     if( nStart == 1 )
     {
         if( nPayType <= 0 )
-            fKapZ = fRmz + fVal * fRate;
+            fPpmt = fPmt + fVal * fRate;
         else
-            fKapZ = fRmz;
+            fPpmt = fPmt;
 
         nStart++;
     }
@@ -149,27 +149,27 @@ double SAL_CALL AnalysisAddIn::getCumprinc( double fRate, sal_Int32 nNumPeriods,
     for( sal_uInt32 i = nStart ; i <= nEnd ; i++ )
     {
         if( nPayType > 0 )
-            fKapZ += fRmz - ( GetZw( fRate, double( i - 2 ), fRmz, fVal, 1 ) - fRmz ) * fRate;
+            fPpmt += fPmt - ( GetZw( fRate, double( i - 2 ), fPmt, fVal, 1 ) - fPmt ) * fRate;
         else
-            fKapZ += fRmz - GetZw( fRate, double( i - 1 ), fRmz, fVal, 0 ) * fRate;
+            fPpmt += fPmt - GetZw( fRate, double( i - 1 ), fPmt, fVal, 0 ) * fRate;
     }
 
-    RETURN_FINITE( fKapZ );
+    RETURN_FINITE( fPpmt );
 }
 
 
 double SAL_CALL AnalysisAddIn::getCumipmt( double fRate, sal_Int32 nNumPeriods, double fVal,
     sal_Int32 nStartPer, sal_Int32 nEndPer, sal_Int32 nPayType )
 {
-    double fRmz, fZinsZ;
+    double fPmt, fIpmt;
 
     if( nStartPer < 1 || nEndPer < nStartPer || fRate <= 0.0 || nEndPer > nNumPeriods  || nNumPeriods <= 0 ||
         fVal <= 0.0 || ( nPayType != 0 && nPayType != 1 ) )
         throw css::lang::IllegalArgumentException();
 
-    fRmz = GetRmz( fRate, nNumPeriods, fVal, 0.0, nPayType );
+    fPmt = GetRmz( fRate, nNumPeriods, fVal, 0.0, nPayType );
 
-    fZinsZ = 0.0;
+    fIpmt = 0.0;
 
     sal_uInt32  nStart = sal_uInt32( nStartPer );
     sal_uInt32  nEnd = sal_uInt32( nEndPer );
@@ -177,7 +177,7 @@ double SAL_CALL AnalysisAddIn::getCumipmt( double fRate, sal_Int32 nNumPeriods,
     if( nStart == 1 )
     {
         if( nPayType <= 0 )
-            fZinsZ = -fVal;
+            fIpmt = -fVal;
 
         nStart++;
     }
@@ -185,14 +185,14 @@ double SAL_CALL AnalysisAddIn::getCumipmt( double fRate, sal_Int32 nNumPeriods,
     for( sal_uInt32 i = nStart ; i <= nEnd ; i++ )
     {
         if( nPayType > 0 )
-            fZinsZ += GetZw( fRate, double( i - 2 ), fRmz, fVal, 1 ) - fRmz;
+            fIpmt += GetZw( fRate, double( i - 2 ), fPmt, fVal, 1 ) - fPmt;
         else
-            fZinsZ += GetZw( fRate, double( i - 1 ), fRmz, fVal, 0 );
+            fIpmt += GetZw( fRate, double( i - 1 ), fPmt, fVal, 0 );
     }
 
-    fZinsZ *= fRate;
+    fIpmt *= fRate;
 
-    RETURN_FINITE( fZinsZ );
+    RETURN_FINITE( fIpmt );
 }