GPU Calc:Support default 2nd parameter in ROUND

Change-Id: I003ba9c945dbc3c6417d0502902610c0eaff2bda

sc/source/core/opencl/formulagroupcl.cxx

@@ -1487,7 +1487,9 @@ public:
 
 #ifdef UNROLLING_FACTOR
         ss << "\tint i;\n\t";
-        ss << "int currentCount0, currentCount1;\n\t";
+        ss << "int currentCount0;\n";
+        for ( unsigned i = 0; i < vSubArguments.size()-1; i++)
+        ss << "int currentCount"<<i+1<<";\n";
         std::stringstream temp3,temp4;
         int outLoopSize = UNROLLING_FACTOR;
         if (nCurWindowSize/outLoopSize != 0){

sc/source/core/opencl/op_math.cxx

@@ -1707,11 +1707,17 @@ void OpRound::GenSlidingWindowFunction(std::stringstream &ss,
     ss << "    int singleIndex =  gid0;\n";
     GenTmpVariables(ss,vSubArguments);
     CheckAllSubArgumentIsNan(ss,vSubArguments);
-    ss << "    for(int i=0;i<tmp1;i++)\n";
-    ss << "        tmp0 = tmp0 * 10;\n";
+    if(vSubArguments.size() ==2)
+    {
+        ss << "    for(int i=0;i<tmp1;i++)\n";
+        ss << "        tmp0 = tmp0 * 10;\n";
+    }
     ss << "    double tmp=round(tmp0);\n";
-    ss << "    for(int i=0;i<tmp1;i++)\n";
-    ss << "        tmp = tmp / 10;\n";
+    if(vSubArguments.size() ==2)
+    {
+        ss << "    for(int i=0;i<tmp1;i++)\n";
+        ss << "        tmp = tmp / 10;\n";
+    }
     ss << "    return tmp;\n";
     ss << "}";
 }