diff --git a/.gitignore b/.gitignore
index dd07bff..2ebc1a1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,4 @@
 build-*
+build
+install
+.cache
\ No newline at end of file
diff --git a/include/cuSZp.h b/include/cuSZp.h
index f168b84..2467c12 100644
--- a/include/cuSZp.h
+++ b/include/cuSZp.h
@@ -2,47 +2,49 @@
 #define CUSZP_H
 
 #include <cuda_runtime.h>
-#include <cstddef>
-#include "cuSZp/cuSZp_utility.h"
-#include "cuSZp/cuSZp_timer.h"
+#include <stddef.h>
+#include <stdio.h>
+
+#ifdef __cplusplus
+
 #include "cuSZp/cuSZp_entry_1D_f32.h"
 #include "cuSZp/cuSZp_entry_1D_f64.h"
 #include "cuSZp/cuSZp_entry_2D_f32.h"
 #include "cuSZp/cuSZp_entry_2D_f64.h"
 #include "cuSZp/cuSZp_entry_3D_f32.h"
 #include "cuSZp/cuSZp_entry_3D_f64.h"
-#include <stdio.h>
+#include "cuSZp/cuSZp_timer.h"
+#include "cuSZp/cuSZp_utility.h"
 
-#ifdef __cplusplus
 extern "C" {
 #endif
 
 typedef enum {
-    CUSZP_DIM_1D = 1, // 1D Processing Manner (can be used for all datasets)
-    CUSZP_DIM_2D = 2, // 2D Processing Manner (can be used for both 2D and 3D)
-    CUSZP_DIM_3D = 3  // 3d Processing Manner (can be used for only 3D datasets)
+  CUSZP_DIM_1D = 1, // 1D Processing Manner (can be used for all datasets)
+  CUSZP_DIM_2D = 2, // 2D Processing Manner (can be used for both 2D and 3D)
+  CUSZP_DIM_3D = 3  // 3d Processing Manner (can be used for only 3D datasets)
 } cuszp_dim_t;
 
 typedef enum {
-    CUSZP_MODE_FIXED   = 0, // No-delta           fixed-length encoding mode
-    CUSZP_MODE_PLAIN   = 1, // Plain (with delta) fixed-length encoding mode
-    CUSZP_MODE_OUTLIER = 2, // Outlier            fixed-length encoding mode
-    // CUSZP_MODE_AATROX  = 3  // AaTrox (ICS'25)    fixed-length encoding mode
+  CUSZP_MODE_FIXED = 0,   // No-delta           fixed-length encoding mode
+  CUSZP_MODE_PLAIN = 1,   // Plain (with delta) fixed-length encoding mode
+  CUSZP_MODE_OUTLIER = 2, // Outlier            fixed-length encoding mode
+  // CUSZP_MODE_AATROX  = 3  // AaTrox (ICS'25)    fixed-length encoding mode
 } cuszp_mode_t;
 
 typedef enum {
-    CUSZP_TYPE_FLOAT  = 0,  // Single precision floating point (f32)
-    CUSZP_TYPE_DOUBLE = 1   // Double precision floating point (f64)
+  CUSZP_TYPE_FLOAT = 0, // Single precision floating point (f32)
+  CUSZP_TYPE_DOUBLE = 1 // Double precision floating point (f64)
 } cuszp_type_t;
 
-void cuSZp_compress(void* d_oriData, unsigned char* d_cmpBytes, 
-                    size_t nbEle, size_t* cmpSize, float errorBound, 
-                    cuszp_dim_t dim, uint3 dims, cuszp_type_t type, cuszp_mode_t mode, 
-                    cudaStream_t stream = 0);
-void cuSZp_decompress(void* d_decData, unsigned char* d_cmpBytes, 
-                    size_t nbEle, size_t cmpSize, float errorBound,
-                    cuszp_dim_t dim, uint3 dims, cuszp_type_t type, cuszp_mode_t mode, 
-                    cudaStream_t stream = 0);
+void cuSZp_compress(void *d_oriData, unsigned char *d_cmpBytes, size_t nbEle,
+                    size_t *cmpSize, float errorBound, cuszp_dim_t dim,
+                    uint3 dims, cuszp_type_t type, cuszp_mode_t mode,
+                    cudaStream_t stream);
+void cuSZp_decompress(void *d_decData, unsigned char *d_cmpBytes, size_t nbEle,
+                      size_t cmpSize, float errorBound, cuszp_dim_t dim,
+                      uint3 dims, cuszp_type_t type, cuszp_mode_t mode,
+                      cudaStream_t stream);
 
 #ifdef __cplusplus
 }