GPU Calc: unit test cases for COT

Need turn on NO_FALLBACK_TO_SWINTERP in formulagroupcl.cxx for test

AMLOEXT-88 BUG

Change-Id: Ica73415215042a5c2dd55df16498420576772ba1
Signed-off-by: haochen <haochen@multicorewareinc.com>
Signed-off-by: I-Jui (Ray) Sung <ray@multicorewareinc.com>

sc/qa/unit/opencl-test.cxx

@@ -178,6 +178,7 @@ public:
     void testStatisticalFormulaGammaDist();
     void testMathFormulaLN();
     void testMathFormulaRound();
+    void testMathFormulaCot();
     CPPUNIT_TEST_SUITE(ScOpenclTest);
     CPPUNIT_TEST(testSharedFormulaXLS);
     CPPUNIT_TEST(testFinacialFormula);
@@ -287,6 +288,7 @@ public:
     CPPUNIT_TEST(testStatisticalFormulaGammaDist);
     CPPUNIT_TEST(testMathFormulaLN);
     CPPUNIT_TEST(testMathFormulaRound);
+    CPPUNIT_TEST(testMathFormulaCot);
     CPPUNIT_TEST_SUITE_END();
 
 private:
@@ -1689,6 +1691,29 @@ void ScOpenclTest::testStatisticalFormulaKurt()
     xDocSh->DoClose();
     xDocShRes->DoClose();
 }
+//[AMLOEXT-88]
+void ScOpenclTest::testMathFormulaCot()
+{
+    if (!detectOpenCLDevice())
+        return;
+
+    ScDocShellRef xDocSh = loadDoc("opencl/math/cot.", ODS);
+    ScDocument* pDoc = xDocSh->GetDocument();
+    CPPUNIT_ASSERT(pDoc);
+    enableOpenCL();
+    pDoc->CalcAll();
+    ScDocShellRef xDocShRes = loadDoc("opencl/math/cot.", ODS);
+    ScDocument* pDocRes = xDocShRes->GetDocument();
+    CPPUNIT_ASSERT(pDocRes);
+    for (SCROW i = 0; i <= 15; ++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-90]
 void ScOpenclTest::testMathFormulaCsc()
 {

sc/source/core/tool/token.cxx

@@ -1412,6 +1412,7 @@ void ScTokenArray::CheckToken( const FormulaToken& r )
             case ocGammaDist:
             case ocLn:
             case ocRound:
+            case ocCot:
             // Don't change the state.
             break;
             default: