Optimize the unit test.

Use the _CheckData without tolerance in some unit test to speedup the test process.

source/tensor/test/TSumDim.cpp

@@ -305,9 +305,9 @@ bool TestSumDim3()
     cUser = SumDim(*a, *b, 1);
     
     /* check results */
-    cpuTest = _CheckData(c, answer->data, aUnitNum, 1e-4F) &&
-              _CheckData(cMe, answer->data, aUnitNum, 1e-4F) &&
-              _CheckData(&cUser, answer->data, aUnitNum, 1e-4F);
+    cpuTest = _CheckData(c, answer->data, aUnitNum) &&
+              _CheckData(cMe, answer->data, aUnitNum) &&
+              _CheckData(&cUser, answer->data, aUnitNum);
 
 #ifdef USE_CUDA
     /* GPU test */
@@ -331,9 +331,9 @@ bool TestSumDim3()
     cUserGPU = SumDim(*aGPU, *bGPU, 1);
 
     /* check results */
-    gpuTest = _CheckData(cGPU, answer->data, aUnitNum, 1e-4F) &&
-              _CheckData(cMeGPU, answer->data, aUnitNum, 1e-4F) &&
-              _CheckData(&cUserGPU, answer->data, aUnitNum, 1e-4F);
+    gpuTest = _CheckData(cGPU, answer->data, aUnitNum) &&
+              _CheckData(cMeGPU, answer->data, aUnitNum) &&
+              _CheckData(&cUserGPU, answer->data, aUnitNum);
 
     /* destroy variables */
     delete a;