GPU Calc:Support IF formula in GPUInterpret

Change-Id: I9b2cebb99812d28e25c961129f73585d60690846

sc/source/core/opencl/formulagroupcl.cxx

@@ -1682,6 +1682,18 @@ public:
     }
     virtual std::string BinFuncName(void) const SAL_OVERRIDE { return "leq"; }
 };
+class OpLess: public Binary {
+public:
+    virtual std::string GetBottom(void) SAL_OVERRIDE { return "0"; }
+    virtual std::string Gen2(const std::string &lhs, const std::string &rhs) const SAL_OVERRIDE
+    {
+        std::stringstream ss;
+        ss << "("<< lhs << "<" << rhs <<")";
+        return ss.str();
+    }
+    virtual std::string BinFuncName(void) const SAL_OVERRIDE { return "less"; }
+};
+
 
 class OpGreater: public Binary {
 public:
@@ -2267,6 +2279,9 @@ DynamicKernelSoPArguments::DynamicKernelSoPArguments(
             case ocLessEqual:
                 mvSubArguments.push_back(SoPHelper(ts, ft->Children[i], new OpLessEqual));
                 break;
+            case ocLess:
+                mvSubArguments.push_back(SoPHelper(ts, ft->Children[i], new OpLess));
+                break;
             case ocEqual:
                 mvSubArguments.push_back(SoPHelper(ts, ft->Children[i], new OpEqual));
                 break;
@@ -2872,6 +2887,10 @@ DynamicKernelSoPArguments::DynamicKernelSoPArguments(
                 mvSubArguments.push_back(SoPHelper(ts,
                          ft->Children[i], new OpAveDev));
                  break;
+            case ocIf:
+                 mvSubArguments.push_back(SoPHelper(ts,
+                         ft->Children[i], new OpIf));
+                 break;
             case ocExternal:
                 if ( !(pChild->GetExternal().compareTo(OUString(
                     "com.sun.star.sheet.addin.Analysis.getEffect"))))

sc/source/core/opencl/op_logical.cxx

@@ -314,6 +314,43 @@ void OpXor::GenSlidingWindowFunction(std::stringstream &ss,
     ss << "    return t;\n";
     ss << "}\n";
 }
+void OpIf::GenSlidingWindowFunction(std::stringstream &ss,
+    const std::string &sSymName, SubArguments &vSubArguments)
+{
+    ss << "\ndouble " << sSymName;
+    ss << "_"<< BinFuncName() <<"(";
+    if(vSubArguments.size()!=3) throw  Unhandled("unknown operand for ocPush");
+    for (unsigned i = 0; i < vSubArguments.size(); i++)
+    {
+        if (i)
+            ss << ",";
+        vSubArguments[i]->GenSlidingWindowDecl(ss);
+    }
+    ss << ") {\n";
+    ss << "    int gid0 = get_global_id(0);\n";
+
+    FormulaToken *tmpCur0 = vSubArguments[0]->GetFormulaToken();
+    if(tmpCur0->GetType() == formula::svDoubleVectorRef)
+    {
+            throw UnhandledToken(tmpCur0, "unknown operand for ocPush");
+    }
+    else
+    {
+        ss << "    if(isNan(";
+        ss << vSubArguments[0]->GenSlidingWindowDeclRef();
+        ss << ")||  ";
+        ss << vSubArguments[0]->GenSlidingWindowDeclRef();
+        ss << " == 0)\n";
+        ss << "         return ";
+        ss << vSubArguments[2]->GenSlidingWindowDeclRef();
+        ss << ";\n";
+        ss << "     else";
+        ss <<"          return ";
+        ss << vSubArguments[1]->GenSlidingWindowDeclRef();
+        ss <<";\n";
+    }
+    ss << "}\n";
+}
 
 }}
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

sc/source/core/opencl/op_logical.hxx

@@ -44,6 +44,13 @@ public:
             const std::string &sSymName, SubArguments &vSubArguments) SAL_OVERRIDE;
     virtual std::string BinFuncName(void) const SAL_OVERRIDE { return "Xor"; }
 };
+class OpIf:public Normal
+{
+public:
+    virtual void GenSlidingWindowFunction(std::stringstream &ss,
+            const std::string &sSymName, SubArguments &vSubArguments) SAL_OVERRIDE;
+    virtual std::string BinFuncName(void) const SAL_OVERRIDE { return "IF"; }
+};
 
 }}