GPU Calc: unit test cases for COMBIN

Need to turn on NO_FALLBACK_TO_SWINTERP in formulagroupcl.cxx for test

AMLOEXT-194 BUG

Change-Id: I7389daf865559dd6ec0908889d1c1d6703d8e9a0
Signed-off-by: haochen <haochen@multicorewareinc.com>
Signed-off-by: I-Jui (Ray) Sung <ray@multicorewareinc.com>

sc/qa/unit/opencl-test.cxx

@@ -219,6 +219,7 @@ public:
     void testStatisticalFormulaBinomDist();
     void testStatisticalFormulaVarP();
     void testMathFormulaCeil();
+    void testMathFormulaKombin();
     CPPUNIT_TEST_SUITE(ScOpenclTest);
     CPPUNIT_TEST(testSharedFormulaXLS);
     CPPUNIT_TEST(testFinacialFormula);
@@ -369,6 +370,7 @@ public:
     CPPUNIT_TEST(testStatisticalFormulaBinomDist);
     CPPUNIT_TEST(testStatisticalFormulaVarP);
     CPPUNIT_TEST(testMathFormulaCeil);
+    CPPUNIT_TEST(testMathFormulaKombin);
     CPPUNIT_TEST_SUITE_END();
 
 private:
@@ -4180,6 +4182,29 @@ void ScOpenclTest::testStatisticalFormulaBinomDist()
     xDocSh->DoClose();
     xDocShRes->DoClose();
 }
+//[AMLOEXT-194]
+void ScOpenclTest::testMathFormulaKombin()
+{
+    if (!detectOpenCLDevice())
+        return;
+    ScDocShellRef xDocSh = loadDoc("opencl/math/Kombin.", ODS);
+    ScDocument* pDoc = xDocSh->GetDocument();
+    CPPUNIT_ASSERT(pDoc);
+    enableOpenCL();
+    pDoc->CalcAll();
+    ScDocShellRef xDocShRes = loadDoc("opencl/math/Kombin.", ODS);
+    ScDocument* pDocRes = xDocShRes->GetDocument();
+    CPPUNIT_ASSERT(pDocRes);
+    // Verify Combin Function
+    for (SCROW i = 1; i <= 20; ++i)
+    {
+        double fLibre = pDoc->GetValue(ScAddress(2,i,0));
+        double fExcel = pDocRes->GetValue(ScAddress(2,i,0));
+        CPPUNIT_ASSERT_DOUBLES_EQUAL(fExcel, fLibre, fabs(0.0001*fExcel));
+    }
+    xDocSh->DoClose();
+    xDocShRes->DoClose();
+}
 ScOpenclTest::ScOpenclTest()
       : ScBootstrapFixture( "/sc/qa/unit/data" )
 {

sc/source/core/tool/token.cxx

@@ -1451,6 +1451,7 @@ void ScTokenArray::CheckToken( const FormulaToken& r )
             case ocBinomDist:
             case ocVarP:
             case ocCeil:
+            case ocKombin:
             // Don't change the state.
             break;
             default: