Clean codes.

source/tensor/XMem.cpp

@@ -31,8 +31,8 @@
 /* the nts (NiuTrans.Tensor) namespace */
 namespace nts{
     
-int testxmemid = 0;
-void * recordp = NULL;
+//int testxmemid = 0;
+//void * recordp = NULL;
 
 /*
 for managing the memories

source/tensor/XMem.h

@@ -480,12 +480,10 @@ public:
 /* managing the memories */
 extern XMemManager GMems;
 
+//extern XMem * GMem;
 
-
-extern XMem * GMem;
-
-extern int testxmemid;
-extern void * recordp;
+//extern int testxmemid;
+//extern void * recordp;
 
 } /* end of the nts (NiuTrans.Tensor) namespace */
 

source/tensor/XTensor.h

@@ -30,7 +30,6 @@
 
 #include <math.h>
 #include "XGlobal.h"
-#include "XMem.h"
 #include "XPRunner.h"
 #include "XStream.h"
 #include "XHeap.h"