GPU Calc: implemented FLOOR

AMLOEXT-169 FIX

Refacting:add NAN processing in max/min formule under the fixed window condition
Signed-off-by: haochen <haochen@multicorewareinc.com>

Change-Id: I619e18b951070d5c8e9d63aef288992f124eceac
Signed-off-by: I-Jui (Ray) Sung <ray@multicorewareinc.com>

sc/source/core/opencl/formulagroupcl.cxx

@@ -407,12 +407,9 @@ public:
                     ss << "0; i < "<< nCurWindowSize << "; i++)\n\t\t";
 #endif
                 }
-                else {
-#ifdef  ISNAN
-                    ss << "0; i < "<< nCurWindowSize << "; i++){\n\t\t";
-#else
-                    ss << "0; i < "<< nCurWindowSize << "; i++)\n\t\t";
-#endif
+                else
+                {
+                    ss << "0; i < "<< pDVR->GetArrayLength() << "; i++){\n\t\t";
                 }
                 nItems += nCurWindowSize;
             }
@@ -1240,6 +1237,10 @@ DynamicKernelSoPArguments::DynamicKernelSoPArguments(
                 mvSubArguments.push_back(SoPHelper(ts,
                          ft->Children[i], new OpGammaInv));
                 break;
+            case ocFloor:
+                mvSubArguments.push_back(SoPHelper(ts,
+                         ft->Children[i], new OpFloor));
+                break;
             case ocExternal:
                 if ( !(pChild->GetExternal().compareTo(OUString(
                     "com.sun.star.sheet.addin.Analysis.getEffect"))))

sc/source/core/opencl/op_math.cxx

@@ -789,6 +789,56 @@ void OpOdd::GenSlidingWindowFunction(
     ss << "}";
 }
 
+void OpFloor::GenSlidingWindowFunction(
+    std::stringstream &ss, const std::string sSymName,
+    SubArguments &vSubArguments)
+{
+    FormulaToken *tmpCur = vSubArguments[0]->GetFormulaToken();
+    const formula::SingleVectorRefToken*tmpCurDVR= dynamic_cast<const
+        formula::SingleVectorRefToken *>(tmpCur);
+    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 << "    double arg0 = " << vSubArguments[0]->GenSlidingWindowDeclRef();
+    ss << ";\n";
+    ss << "    double arg1 = " << vSubArguments[1]->GenSlidingWindowDeclRef();
+    ss << ";\n";
+    ss << "    double arg2 = " << vSubArguments[2]->GenSlidingWindowDeclRef();
+    ss << ";\n";
+#ifdef ISNAN
+    ss<< "    if(isNan(arg0)||(gid0>=";
+    ss<<tmpCurDVR->GetArrayLength();
+    ss<<"))\n";
+    ss<<"        arg0 = 0;\n";
+    ss<< "    if(isNan(arg1)||(gid0>=";
+    ss<<tmpCurDVR->GetArrayLength();
+    ss<<"))\n";
+    ss<<"        arg1 = 0;\n";
+    ss<< "    if(isNan(arg2)||(gid0>=";
+    ss<<tmpCurDVR->GetArrayLength();
+    ss<<"))\n";
+    ss<<"        arg2 = 0;\n";
+#endif
+    ss <<"    if(arg1==0.0)\n";
+    ss <<"        return 0.0;\n";
+    ss <<"    else if(arg0*arg1<0.0)\n";
+    ss <<"        return 0.0000000001;\n";
+    ss <<"    else if(arg2==0.0&&arg0<0.0)\n";
+    ss <<"        return (trunc(arg0/arg1)+1)*arg1;\n";
+    ss <<"    else\n";
+    ss <<"        return trunc(arg0/arg1)*arg1;\n";
+    ss << "}\n";
+}
+
+
+
 }}
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

sc/source/core/opencl/op_math.hxx

@@ -197,6 +197,13 @@ public:
         const std::string sSymName, SubArguments &vSubArguments);
     virtual std::string BinFuncName(void) const { return "Odd"; }
 };
+class OpFloor: public Normal
+{
+public:
+    virtual void GenSlidingWindowFunction(std::stringstream &ss,
+        const std::string sSymName, SubArguments &vSubArguments);
+    virtual std::string BinFuncName(void) const { return "Floor"; }
+};
 }}
 
 #endif