diff --git a/llvm/projects/hpvm-tensor-rt/tensor_runtime/include/approx_api.h b/llvm/projects/hpvm-tensor-rt/tensor_runtime/include/approx_api.h
index 5bae5b0f4cf55e7013e2994b1469ffed295367c9..ed1c373f6557f08897f6fd16ae7e1b5d17c3c28e 100644
--- a/llvm/projects/hpvm-tensor-rt/tensor_runtime/include/approx_api.h
+++ b/llvm/projects/hpvm-tensor-rt/tensor_runtime/include/approx_api.h
@@ -27,8 +27,10 @@ extern "C"{
 		       int conv_mode, int conv_groups, int row, int col);
 
   void* tensorConvolutionKernelSamp(void* input, void* filter_ptr,
-				    int vertical_pad, int horizontal_pad, int vertical_stride,
-				    int horizontal_stride, int conv_mode, int conv_groups, int skip_every);
+				    int vertical_pad, int horizontal_pad,
+				    int vertical_stride, int horizontal_stride,
+				    int conv_mode, int conv_groups,
+				    int skip_every);
 
   void* tensorConvPerfCuda(void* input, void* filter,
 			   int vertical_pad, int horizontal_pad,
@@ -50,17 +52,23 @@ extern "C"{
 			  int conv_mode, int conv_groups,
 			  int skip_rate, int skip_offset);
 
-	void *autotuner_tensorFft(void *input, bool inverse);
+  
+
+  void *autotuner_tensorFft(void *input, bool inverse);
+
 
-	void *autotuner_tensorReduce(void *input, size_t axis, MathOp func);
+  void *autotuner_tensorReduce(void *input, size_t axis, MathOp func);
 
-	void *autotuner_tensorProjectiveT(void *input, void *transformation);
 
-	void *autotuner_tensorMap1(MathOp func, void *input);
+  void *autotuner_tensorProjectiveT(void *input, void *transformation);
+  
+
+  void *autotuner_tensorMap1(MathOp func, void *input);
 
-	void *autotuner_tensorMap2(MathOp func, void *input1, void *input2);
+  void *autotuner_tensorMap2(MathOp func, void *input1, void *input2);
 	
-	void *autotuner_tensorMap3(MathOp func, void *input1, void *input2, void *input3);
+
+  void *autotuner_tensorMap3(MathOp func, void *input1, void *input2, void *input3);
 
   void* tensorConvInputHalf(void* input_ptr, void* filter_ptr,
               int vertical_pad, int horizontal_pad, int vertical_stride,