GPU Calc: unit test cases for POISSON

Need to turn on NO_FALLBACK_TO_SWINTERP in formulagroupcl.cxx for test

AMLOEXT-150 BUG

Change-Id: I29324659b31d98905ead88d0d0cf44361ad1df16
Signed-off-by: haochen <haochen@multicorewareinc.com>
Signed-off-by: I-Jui (Ray) Sung <ray@multicorewareinc.com>

sc/qa/unit/opencl-test.cxx

@@ -212,6 +212,7 @@ public:
     void testMathFormulaBitRshift();
     void testMathFormulaBitXor();
     void testStatisticalFormulaChiInv();
+    void testStatisticalFormulaPoisson();
     CPPUNIT_TEST_SUITE(ScOpenclTest);
     CPPUNIT_TEST(testSharedFormulaXLS);
     CPPUNIT_TEST(testFinacialFormula);
@@ -355,6 +356,7 @@ public:
     CPPUNIT_TEST(testMathFormulaBitRshift);
     CPPUNIT_TEST(testMathFormulaBitXor);
     CPPUNIT_TEST(testStatisticalFormulaChiInv);
+    CPPUNIT_TEST(testStatisticalFormulaPoisson);
     CPPUNIT_TEST_SUITE_END();
 
 private:
@@ -3404,6 +3406,29 @@ void ScOpenclTest::testMathFormulaBitAnd()
     xDocSh->DoClose();
     xDocShRes->DoClose();
 }
+//[AMLOEXT-150]
+void ScOpenclTest::testStatisticalFormulaPoisson()
+{
+    if (!detectOpenCLDevice())
+        return;
+    ScDocShellRef xDocSh = loadDoc("opencl/statistical/Poisson.", XLS);
+    ScDocument* pDoc = xDocSh->GetDocument();
+    CPPUNIT_ASSERT(pDoc);
+    enableOpenCL();
+    pDoc->CalcAll();
+    ScDocShellRef xDocShRes = loadDoc("opencl/statistical/Poisson.", XLS);
+    ScDocument* pDocRes = xDocShRes->GetDocument();
+    CPPUNIT_ASSERT(pDocRes);
+    // Check the results of formula cells in the shared formula range.
+    for (SCROW i = 1; i <= 19; ++i)
+    {
+        double fLibre = pDoc->GetValue(ScAddress(3,i,0));
+        double fExcel = pDocRes->GetValue(ScAddress(3,i,0));
+        CPPUNIT_ASSERT_DOUBLES_EQUAL(fExcel, fLibre, fabs(0.0001*fExcel));
+    }
+    xDocSh->DoClose();
+    xDocShRes->DoClose();
+}
 //[AMLOEXT-151]
 void ScOpenclTest::testStatisticalFormulaExpondist()
 {

sc/source/core/tool/token.cxx

@@ -1444,6 +1444,7 @@ void ScTokenArray::CheckToken( const FormulaToken& r )
             case ocBitRshift:
             case ocBitXor:
             case ocChiInv:
+            case ocPoissonDist:
             // Don't change the state.
             break;
             default: