GPU Calc: unit test cases for FLOOR

Need open macro NO_FALLBACK_TO_SWINTERP in formulagroupcl.cxx for test

AMLOEXT-169 BUG

Change-Id: Ib678abfdabd914eb89c712bb14fe7651c3004531
Signed-off-by: haochen <haochen@multicorewareinc.com>
Signed-off-by: I-Jui (Ray) Sung <ray@multicorewareinc.com>

sc/qa/unit/opencl-test.cxx

@@ -189,6 +189,7 @@ public:
     void testStatisticalFormulaChiSqDist();
     void testStatisticalFormulaChiSqInv();
     void testStatisticalFormulaGammaInv();
+    void testMathFormulaFloor();
     CPPUNIT_TEST_SUITE(ScOpenclTest);
     CPPUNIT_TEST(testSharedFormulaXLS);
     CPPUNIT_TEST(testFinacialFormula);
@@ -309,6 +310,7 @@ public:
     CPPUNIT_TEST(testStatisticalFormulaChiSqDist);
     CPPUNIT_TEST(testStatisticalFormulaChiSqInv);
     CPPUNIT_TEST(testStatisticalFormulaGammaInv);
+    CPPUNIT_TEST(testMathFormulaFloor);
     CPPUNIT_TEST_SUITE_END();
 
 private:
@@ -3410,6 +3412,28 @@ void ScOpenclTest::testStatisticalFormulaChiDist()
     xDocSh->DoClose();
     xDocShRes->DoClose();
 }
+//[AMLOEXT-169]
+void ScOpenclTest::testMathFormulaFloor()
+{
+    if (!detectOpenCLDevice())
+        return;
+    ScDocShellRef xDocSh = loadDoc("opencl/math/floor.", ODS);
+    ScDocument* pDoc = xDocSh->GetDocument();
+    CPPUNIT_ASSERT(pDoc);
+    enableOpenCL();
+    pDoc->CalcAll();
+    ScDocShellRef xDocShRes = loadDoc("opencl/math/floor.", ODS);
+    ScDocument* pDocRes = xDocShRes->GetDocument();
+    CPPUNIT_ASSERT(pDocRes);
+    for (SCROW i = 0; i <= 9; ++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();
+}
 ScOpenclTest::ScOpenclTest()
       : ScBootstrapFixture( "/sc/qa/unit/data" )
 {

sc/source/core/tool/token.cxx

@@ -1422,6 +1422,7 @@ void ScTokenArray::CheckToken( const FormulaToken& r )
             case ocChiSqDist:
             case ocChiSqInv:
             case ocGammaInv:
+            case ocFloor:
             // Don't change the state.
             break;
             default: