GPU Calc: implemented BITRSHFIT

AMLOEXT-168 FIX

Change-Id: I5596ea32861eeb7eb36d9800d410ebada0721745
Signed-off-by: haochen <haochen@multicorewareinc.com>
Signed-off-by: I-Jui (Ray) Sung <ray@multicorewareinc.com>

3 files changed, 56 insertions, 0 deletions

diff --git a/sc/source/core/opencl/formulagroupcl.cxx b/sc/source/core/opencl/formulagroupcl.cxx
index a761cc32ea93..729e5e9da8bd 100644
--- a/sc/source/core/opencl/formulagroupcl.cxx
+++ b/sc/source/core/opencl/formulagroupcl.cxx
@@ -1317,6 +1317,10 @@ DynamicKernelSoPArguments::DynamicKernelSoPArguments(
                 mvSubArguments.push_back(SoPHelper(ts,
                     ft->Children[i], new OpBitLshift));
                 break;
+            case ocBitRshift:
+                mvSubArguments.push_back(SoPHelper(ts,
+                    ft->Children[i], new OpBitRshift));
+                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 c6e1f7e88d6a..6f34d61ee0dc 100644
--- a/sc/source/core/opencl/op_math.cxx
+++ b/sc/source/core/opencl/op_math.cxx
@@ -1466,7 +1466,52 @@ void OpBitLshift::GenSlidingWindowFunction(std::stringstream &ss,
     ss << "num / pow(2.0, fabs(shift_amount)));\n";
     ss << "}";
 }
+void OpBitRshift::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 num = " << GetBottom() << ";\n";
+    ss << "    double shift_amount = " << GetBottom() << ";\n";
+#ifdef ISNAN
+    FormulaToken *iNum = vSubArguments[0]->GetFormulaToken();
+    const formula::SingleVectorRefToken* tmpCurDVRNum=
+        dynamic_cast<const formula::SingleVectorRefToken*>(iNum);
+    FormulaToken *iShiftAmount = vSubArguments[1]->GetFormulaToken();
+    const formula::SingleVectorRefToken* tmpCurDVRShiftAmount=
+        dynamic_cast<const formula::SingleVectorRefToken*>(iShiftAmount);
+    ss << "    int buffer_num_len = ";
+    ss << tmpCurDVRNum->GetArrayLength() << ";\n";
+    ss << "    int buffer_shift_amount_len = ";
+    ss << tmpCurDVRShiftAmount->GetArrayLength() << ";\n";
 
+    ss << "    if((gid0)>=buffer_num_len || isNan(";
+    ss << vSubArguments[0]->GenSlidingWindowDeclRef() << "))\n";
+    ss << "        num = " << GetBottom() << ";\n";
+    ss << "    else\n    ";
+#endif
+    ss << "    num = floor(";
+    ss << vSubArguments[0]->GenSlidingWindowDeclRef() << ");\n";
+#ifdef ISNAN
+    ss << "    if((gid0)>=buffer_shift_amount_len || isNan(";
+    ss << vSubArguments[1]->GenSlidingWindowDeclRef() << "))\n";
+    ss << "        shift_amount = " <<GetBottom()<< ";\n";
+    ss << "    else\n    ";
+#endif
+    ss << "    shift_amount = floor(";
+    ss << vSubArguments[1]->GenSlidingWindowDeclRef() << ");\n";
+    ss << "    return floor(";
+    ss << "shift_amount >= 0 ? num / pow(2.0, shift_amount) : ";
+    ss << "num * pow(2.0, fabs(shift_amount)));\n";
+    ss << "}";
+}
 }}
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/sc/source/core/opencl/op_math.hxx b/sc/source/core/opencl/op_math.hxx
index 33cc6a2d9e2d..c794e4ad38c7 100644
--- a/sc/source/core/opencl/op_math.hxx
+++ b/sc/source/core/opencl/op_math.hxx
@@ -182,6 +182,13 @@ public:
     virtual std::string GetBottom(void) { return "0.0"; }
     virtual std::string BinFuncName(void) const { return "ScBitLshift"; }
 };
+class OpBitRshift: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 "ScBitRshift"; }
+};
 class OpLn: public CheckVariables
 {
 public: