GPU Calc: unit test cases for EXP

Need open macro NO_FALLBACK_TO_SWINTERP in formulagroupcl.cxx for test

AMLOEXT-165 BUG

Change-Id: If3661eaa7938d383c239a5978f748015d6f021a4
Signed-off-by: haochen <haochen@multicorewareinc.com>
Signed-off-by: I-Jui (Ray) Sung <ray@multicorewareinc.com>

sc/qa/unit/opencl-test.cxx

@@ -195,6 +195,7 @@ public:
     void testStatisticalFormulaB();
     void testStatisticalFormulaBetaDist();
     void testMathFormulaCscH();
+    void testMathFormulaExp();
     CPPUNIT_TEST_SUITE(ScOpenclTest);
     CPPUNIT_TEST(testSharedFormulaXLS);
     CPPUNIT_TEST(testFinacialFormula);
@@ -321,6 +322,7 @@ public:
     CPPUNIT_TEST(testStatisticalFormulaB);
     CPPUNIT_TEST(testStatisticalFormulaBetaDist);
     CPPUNIT_TEST(testMathFormulaCscH);
+    CPPUNIT_TEST(testMathFormulaExp);
     CPPUNIT_TEST_SUITE_END();
 
 private:
@@ -3524,6 +3526,28 @@ void ScOpenclTest::testStatisticalFormulaBetaDist()
     xDocSh->DoClose();
     xDocShRes->DoClose();
 }
+//[AMLOEXT-165]
+void ScOpenclTest::testMathFormulaExp()
+{
+    if (!detectOpenCLDevice())
+        return;
+    ScDocShellRef xDocSh = loadDoc("opencl/math/exp.", ODS);
+    ScDocument* pDoc = xDocSh->GetDocument();
+    CPPUNIT_ASSERT(pDoc);
+    enableOpenCL();
+    pDoc->CalcAll();
+    ScDocShellRef xDocShRes = loadDoc("opencl/math/exp.", 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-166]
 void ScOpenclTest::testStatisticalFormulaChiDist()
 {

sc/source/core/tool/token.cxx

@@ -1427,6 +1427,7 @@ void ScTokenArray::CheckToken( const FormulaToken& r )
             case ocFTest:
             case ocB:
             case ocBetaDist:
+            case ocExp:
             // Don't change the state.
             break;
             default: