GPU Calc: unit test cases for PRODUCT

Need macro NO_FALLBACK_TO_SWINTERP in formulagroupcl.cxx for test

AMLOEXT-193 BUG

Change-Id: I7d866bebf2bd3d01a8ea0643561f918581af2c93
Signed-off-by: haochen <haochen@multicorewareinc.com>
Signed-off-by: I-Jui (Ray) Sung <ray@multicorewareinc.com>

sc/qa/unit/opencl-test.cxx

@@ -228,6 +228,7 @@ public:
     void testMathFormulaPi();
     void testMathFormulaRandom();
     void testMathFormulaConvert();
+    void testMathFormulaProduct();
     CPPUNIT_TEST_SUITE(ScOpenclTest);
     CPPUNIT_TEST(testSharedFormulaXLS);
     CPPUNIT_TEST(testFinacialFormula);
@@ -387,6 +388,7 @@ public:
     CPPUNIT_TEST(testMathFormulaPi);
     CPPUNIT_TEST(testMathFormulaRandom);
     CPPUNIT_TEST(testMathFormulaConvert);
+    CPPUNIT_TEST(testMathFormulaProduct);
     CPPUNIT_TEST_SUITE_END();
 
 private:
@@ -4390,6 +4392,28 @@ void ScOpenclTest::testStatisticalFormulaBinomDist()
     xDocSh->DoClose();
     xDocShRes->DoClose();
 }
+//[AMLOEXT-193]
+void ScOpenclTest::testMathFormulaProduct()
+{
+    if (!detectOpenCLDevice())
+        return;
+    ScDocShellRef xDocSh = loadDoc("opencl/math/product.", XLS);
+    ScDocument* pDoc = xDocSh->GetDocument();
+    CPPUNIT_ASSERT(pDoc);
+    enableOpenCL();
+    pDoc->CalcAll();
+    ScDocShellRef xDocShRes = loadDoc("opencl/math/product.", XLS);
+    ScDocument* pDocRes = xDocShRes->GetDocument();
+    CPPUNIT_ASSERT(pDocRes);
+    for (SCROW i = 0; i <= 3; ++i)
+    {
+        double fLibre = pDoc->GetValue(ScAddress(1,i,0));
+        double fExcel = pDocRes->GetValue(ScAddress(1,i,0));
+        CPPUNIT_ASSERT_DOUBLES_EQUAL(fExcel, fLibre, fabs(0.0001*fExcel));
+    }
+    xDocSh->DoClose();
+    xDocShRes->DoClose();
+}
 //[AMLOEXT-194]
 void ScOpenclTest::testMathFormulaKombin()
 {

sc/source/core/tool/token.cxx

@@ -1459,6 +1459,7 @@ void ScTokenArray::CheckToken( const FormulaToken& r )
             case ocZTest:
             case ocPi:
             case ocRandom:
+            case ocProduct:
             // Don't change the state.
             break;
             default: