3 files changed, 39 insertions, 0 deletions
diff --git a/sc/source/core/opencl/formulagroupcl.cxx b/sc/source/core/opencl/formulagroupcl.cxx
index ada65df24d34..dd6b169ec334 100644
--- a/sc/source/core/opencl/formulagroupcl.cxx
+++ b/sc/source/core/opencl/formulagroupcl.cxx
@@ -1084,6 +1084,10 @@ DynamicKernelSoPArguments::DynamicKernelSoPArguments(
                 mvSubArguments.push_back(SoPHelper(ts,
                          ft->Children[i],new OpNormdist));
                  break;
+            case ocArcCos:
+                mvSubArguments.push_back(SoPHelper(ts,
+                         ft->Children[i], new OpArcCos));
+                 break;
             case ocExternal:
                 if ( !(pChild->GetExternal().compareTo(OUString(
                     "com.sun.star.sheet.addin.Analysis.getEffect"))))
diff --git a/sc/source/core/opencl/op_math.cxx b/sc/source/core/opencl/op_math.cxx
index a24872e4cff1..b54ee0f2408b 100644
--- a/sc/source/core/opencl/op_math.cxx
+++ b/sc/source/core/opencl/op_math.cxx
@@ -234,6 +234,34 @@ void OpAbs::GenSlidingWindowFunction(std::stringstream &ss,
     ss << "    return fabs(tmp);\n";
     ss << "}";
 }
+void OpArcCos::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";
+    ss << "    int gid0 = get_global_id(0);\n";
+    ss << "    double tmp = " << GetBottom() << ";\n";
+#ifdef ISNAN
+    FormulaToken *tmpCur0 = vSubArguments[0]->GetFormulaToken();
+    const formula::SingleVectorRefToken*tmpCurDVR0=
+        dynamic_cast<const formula::SingleVectorRefToken *>(tmpCur0);
+    ss << "    int buffer_len = "<< tmpCurDVR0->GetArrayLength()<< ";\n";
+    ss << "    if((gid0)>=buffer_len || isNan(";
+    ss << vSubArguments[0]->GenSlidingWindowDeclRef()<< "))\n";
+    ss << "        tmp = " << GetBottom() << ";\n";
+    ss << "    else \n    ";
+#endif
+    ss << "    tmp = ";
+    ss << vSubArguments[0]->GenSlidingWindowDeclRef()<< ";\n";
+    ss << "    return acos(tmp);\n";
+    ss << "}";
+}
 void OpTan::GenSlidingWindowFunction(std::stringstream &ss,
             const std::string sSymName, SubArguments &vSubArguments)
 {
diff --git a/sc/source/core/opencl/op_math.hxx b/sc/source/core/opencl/op_math.hxx
index d6dda45a4549..e888849d9334 100644
--- a/sc/source/core/opencl/op_math.hxx
+++ b/sc/source/core/opencl/op_math.hxx
@@ -58,6 +58,13 @@ public:
     virtual std::string GetBottom(void) { return "0.0"; }
     virtual std::string BinFuncName(void) const { return "ScAbs"; }
 };
+class OpArcCos:public Normal{
+public:
+    virtual void GenSlidingWindowFunction(std::stringstream &ss,
+        const std::string sSymName, SubArguments &vSubArguments);
+    virtual std::string GetBottom(void) { return "0.0"; }
+    virtual std::string BinFuncName(void) const { return "ScACos"; }
+};
 class OpTan: public Normal
 {
 public: