bool improvements

Change-Id: Id95748748000eb59e2f9343bca4f7e1c5f15514a

sc/source/core/opencl/openclwrapper.cxx

@@ -494,7 +494,7 @@ int OpenclDevice::initOpenclRunEnv( int argc )
     {
         registOpenclKernel();
         //initialize devices, context, command_queue
-        int status = initOpenclRunEnv( &gpuEnv );
+        bool status = initOpenclRunEnv( &gpuEnv );
         if ( status )
         {
             return 1;
@@ -502,8 +502,8 @@ int OpenclDevice::initOpenclRunEnv( int argc )
         //initialize program, kernelName, kernelCount
         if( getenv( "SC_FLOAT" ) )
         {
-            gpuEnv.mnKhrFp64Flag = 0;
-            gpuEnv.mnAmdFp64Flag = 0;
+            gpuEnv.mnKhrFp64Flag = false;
+            gpuEnv.mnAmdFp64Flag = false;
         }
         if( gpuEnv.mnKhrFp64Flag )
         {

sc/source/core/opencl/openclwrapper.hxx

@@ -121,8 +121,8 @@ struct GPUEnv
     cl_command_queue mpCmdQueue;
     cl_program mpArryPrograms[MAX_CLFILE_NUM]; //one program object maps one kernel source file
     int mnIsUserCreated; // 1: created , 0:no create and needed to create by opencl wrapper
-    int mnKhrFp64Flag;
-    int mnAmdFp64Flag;
+    bool mnKhrFp64Flag;
+    bool mnAmdFp64Flag;
 };
 
 struct SingleVectorFormula