GPU Calc: implemented ROUND

AMLOEXT-156 FIX

Change-Id: I149b663736b1d126414ce034262e83fd05a558fb
Signed-off-by: haochen <haochen@multicorewareinc.com>
Signed-off-by: I-Jui (Ray) Sung <ray@multicorewareinc.com>

sc/source/core/opencl/formulagroupcl.cxx

@@ -1196,6 +1196,10 @@ DynamicKernelSoPArguments::DynamicKernelSoPArguments(
                 mvSubArguments.push_back(SoPHelper(ts,
                          ft->Children[i],new OpLn));
                 break;
+            case ocRound:
+                mvSubArguments.push_back(SoPHelper(ts,
+                         ft->Children[i],new OpRound));
+                break;
             case ocExternal:
                 if ( !(pChild->GetExternal().compareTo(OUString(
                     "com.sun.star.sheet.addin.Analysis.getEffect"))))

sc/source/core/opencl/op_math.cxx

@@ -629,6 +629,33 @@ void OpLn::GenSlidingWindowFunction(
     ss << "    return tmp;\n";
     ss << "}";
 }
+
+void OpRound::GenSlidingWindowFunction(std::stringstream &ss,
+             const std::string sSymName, SubArguments &vSubArguments)
+{
+    ss << "\ndouble " << sSymName;
+    ss << "_"<< BinFuncName() <<"(";
+    for (unsigned i = 0; i < vSubArguments.size(); i++)
+    {
+        if (i)
+            ss << ",";
+        vSubArguments[i]->GenSlidingWindowDecl(ss);
+    }
+    ss << ")\n{\n";
+    ss << "    int gid0=get_global_id(0);\n";
+    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";
+    ss << "    double tmp=round(tmp0);\n";
+    ss << "    for(int i=0;i<tmp1;i++)\n";
+    ss << "        tmp = tmp / 10;\n";
+    ss << "    return tmp;\n";
+    ss << "}";
+}
+
+
 }}
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

sc/source/core/opencl/op_math.hxx

@@ -160,6 +160,13 @@ public:
             const std::string sSymName, SubArguments &vSubArguments);
     virtual std::string BinFuncName(void) const { return "Ln"; }
 };
+class OpRound: public CheckVariables
+{
+public:
+    virtual void GenSlidingWindowFunction(std::stringstream &ss,
+            const std::string sSymName, SubArguments &vSubArguments);
+    virtual std::string BinFuncName(void) const { return "Round"; }
+};
 }}
 
 #endif