diff --git a/.gitignore b/.gitignore
index bfc521e..d9a4d18 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,3 +11,4 @@
 *~
 lib.grd
 nohup.out
+build/
\ No newline at end of file
diff --git a/CMakeLists.txt b/CMakeLists.txt
index c40bb41..73fd567 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -11,6 +11,9 @@ set (OpenVML_VERSION_PATCH 1)
 set (OpenVML_ARCH "generic")
 set (OpenVML_CPU_CORENAME "generic")
 
+set (OpenVML_FUNC_PREFIX "")
+set (OpenVML_FUNC_SUFFIX "")
+
 include_directories("${PROJECT_BINARY_DIR}") 
 include_directories("${PROJECT_BINARY_DIR}/include") 
 include_directories("${PROJECT_SOURCE_DIR}/include") 
@@ -21,7 +24,6 @@ configure_file (
 )
 
 
-
 SET(CMAKE_POSITION_INDEPENDENT_CODE ON) 
 
 set(OpenVML_LIBSRC_S "")
@@ -32,9 +34,36 @@ set(OpenVML_LIBSRC_OTHER "")
 
 #define -DDOUBLE for double precision
 set(OpenVML_S_DEFINITIONS "")
-set(OpenVML_D_DEFINITIONS "DOUBLE")
-set(OpenVML_C_DEFINITIONS "COMPLEX")
-set(OpenVML_Z_DEFINITIONS "COMPLEX DOUBLE")
+set(OpenVML_D_DEFINITIONS DOUBLE)
+set(OpenVML_C_DEFINITIONS COMPLEX)
+set(OpenVML_Z_DEFINITIONS COMPLEX DOUBLE)
+
+
+
+##########################################################
+# For RPATH http://www.cmake.org/Wiki/CMake_RPATH_handling
+#
+set(CMAKE_MACOSX_RPATH 1)
+# use, i.e. don't skip the full RPATH for the build tree
+SET(CMAKE_SKIP_BUILD_RPATH  FALSE)
+
+# when building, don't use the install RPATH already
+# (but later on when installing)
+SET(CMAKE_BUILD_WITH_INSTALL_RPATH FALSE) 
+SET(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
+
+# add the automatically determined parts of the RPATH
+# which point to directories outside the build tree to the install RPATH
+SET(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
+
+
+# the RPATH to be used when installing, but only if it's not a system directory
+LIST(FIND CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES "${CMAKE_INSTALL_PREFIX}/lib" isSystemDir)
+IF("${isSystemDir}" STREQUAL "-1")
+   SET(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
+ENDIF("${isSystemDir}" STREQUAL "-1")
+##########################################################
+
 
 add_subdirectory(interface)
 add_subdirectory(kernel)
@@ -72,3 +101,4 @@ install(FILES ${PROJECT_BINARY_DIR}/openvml_export.h DESTINATION include)
 install(FILES ${PROJECT_BINARY_DIR}/include/openvml_config.h DESTINATION include)
 install(FILES ${PROJECT_SOURCE_DIR}/include/openvml.h DESTINATION include)
 install(FILES ${PROJECT_SOURCE_DIR}/include/openvml_common.h DESTINATION include)
+
diff --git a/include/openvml.h b/include/openvml.h
index 9f61926..9e48bf1 100644
--- a/include/openvml.h
+++ b/include/openvml.h
@@ -8,11 +8,11 @@
 extern "C" {
 #endif
 
-OPENVML_EXPORT void vsAdd(VML_INT n, const float * a, const float * b, float * y);
-OPENVML_EXPORT void vdAdd(VML_INT n, const double * a, const double * b, double * y);
+OPENVML_EXPORT void OpenVML_FUNCNAME(vsAdd)(VML_INT n, const float * a, const float * b, float * y);
+OPENVML_EXPORT void OpenVML_FUNCNAME(vdAdd)(VML_INT n, const double * a, const double * b, double * y);
 
-OPENVML_EXPORT void vsSub(VML_INT n, const float * a, const float * b, float * y);
-OPENVML_EXPORT void vdSub(VML_INT n, const double * a, const double * b, double * y);
+OPENVML_EXPORT void OpenVML_FUNCNAME(vsSub)(VML_INT n, const float * a, const float * b, float * y);
+OPENVML_EXPORT void OpenVML_FUNCNAME(vdSub)(VML_INT n, const double * a, const double * b, double * y);
 
 #ifdef __cplusplus
 }
diff --git a/include/openvml_common.h b/include/openvml_common.h
index 423ae25..8d3b168 100644
--- a/include/openvml_common.h
+++ b/include/openvml_common.h
@@ -3,6 +3,12 @@
 
 #include "openvml_config.h"
 
+#ifdef DOUBLE
+typedef double VML_FLOAT;
+#else
+typedef float VML_FLOAT;
+#endif
+
 #if defined(OS_WINDOWS) && defined(__64BIT__)
 typedef long long VMLLONG;
 typedef unsigned long long VMLULONG;
@@ -17,4 +23,9 @@ typedef VMLLONG VML_INT;
 typedef int VML_INT;
 #endif
 
+#define OpenVML_FUNCNAME_3(pre,x,suf) pre##x##suf
+#define OpenVML_FUNCNAME_2(pre,x,suf) OpenVML_FUNCNAME_3(pre, x, suf)
+#define OpenVML_FUNCNAME_1(x) OpenVML_FUNCNAME_2(OPENVML_FUNC_PREFIX, x, OPENVML_FUNC_SUFFIX)
+#define OpenVML_FUNCNAME(x) OpenVML_FUNCNAME_1(x)
+
 #endif
\ No newline at end of file
diff --git a/include/openvml_config.h.in b/include/openvml_config.h.in
index 2302fad..066c35b 100644
--- a/include/openvml_config.h.in
+++ b/include/openvml_config.h.in
@@ -2,6 +2,9 @@
 #define OPENVML_VERSION_MINOR @OpenVML_VERSION_MINOR@
 #define OPENVML_VERSION_PATCH @OpenVML_VERSION_PATCH@
 
+#define OPENVML_FUNC_PREFIX @OpenVML_FUNC_PREFIX@
+#define OPENVML_FUNC_SUFFIX @OpenVML_FUNC_SUFFIX@
+
 #cmakedefine USE64BITINT
 #cmakedefine __64BIT__
 #cmakedefine OS_WINDOWS
diff --git a/include/openvml_kernel.h b/include/openvml_kernel.h
index f0c9bdd..9104bec 100644
--- a/include/openvml_kernel.h
+++ b/include/openvml_kernel.h
@@ -2,8 +2,12 @@
 #define _OPENVML_KERNEL_H_
 
 #include "openvml_common.h"
+#include "openvml_macros.h"
 
-void sadd_k(VMLLONG n, float * a, float * b, float * y);
-void dadd_k(VMLLONG n, float * a, float * b, float * y);
+void OpenVML_FUNCNAME(sadd_k)(VMLLONG n, float * a, float * b, float * y);
+void OpenVML_FUNCNAME(dadd_k)(VMLLONG n, double * a, double * b, double * y);
+
+void OpenVML_FUNCNAME(ssub_k)(VMLLONG n, float * a, float * b, float * y);
+void OpenVML_FUNCNAME(dsub_k)(VMLLONG n, double * a, double * b, double * y);
 
 #endif
\ No newline at end of file
diff --git a/include/openvml_macros.h b/include/openvml_macros.h
index 4e32189..46c7cc4 100644
--- a/include/openvml_macros.h
+++ b/include/openvml_macros.h
@@ -1,24 +1,35 @@
 #ifndef _OPENVML_MACROS_H_
 #define _OPENVML_MACROS_H_
 
-#define SADD_K sadd_k
+#define SADD_K OpenVML_FUNCNAME(sadd_k)
+#define DADD_K OpenVML_FUNCNAME(dadd_k)
+//reuse 
+#define CADD_K OpenVML_FUNCNAME(sadd_k)
+#define ZADD_K OpenVML_FUNCNAME(dadd_k)
 
 
-#define DADD_K dadd_k
-
+#define SSUB_K OpenVML_FUNCNAME(ssub_k)
+#define DSUB_K OpenVML_FUNCNAME(dsub_k)
+//reuse 
+#define CSUB_K OpenVML_FUNCNAME(ssub_k)
+#define ZSUB_K OpenVML_FUNCNAME(dsub_k)
 
 
 #ifndef COMPLEX
 #ifndef DOUBLE
 #define ADD_K SADD_K
+#define SUB_K SSUB_K
 #else
 #define ADD_K DADD_K
+#define SUB_K DSUB_K
 #endif
 #else
 #ifndef DOUBLE
 #define ADD_K CADD_K
+#define SUB_K CSUB_K
 #else
 #define ADD_K ZADD_K
+#define SUB_K CSUB_K
 #endif
 #endif
 
diff --git a/interface/CMakeLists.txt b/interface/CMakeLists.txt
index 9803d14..bb5c8c2 100644
--- a/interface/CMakeLists.txt
+++ b/interface/CMakeLists.txt
@@ -8,6 +8,13 @@ set(OpenVML_LIBSRC_Z "")
 set(REAL_INTERFACE_LIST add sub)
 set(COMPLEX_INTERFACE_LIST add sub)
 
+function(cap_string var_name var_name_cap)
+  string(SUBSTRING ${var_name} 0 1 FIRST_LETTER)
+  string(TOUPPER ${FIRST_LETTER} FIRST_LETTER)
+  string(REGEX REPLACE "^.(.*)" "${FIRST_LETTER}\\1" PROTO_NAME_CAP "${var_name}")
+  set(${var_name_cap} ${PROTO_NAME_CAP} PARENT_SCOPE)
+endfunction()
+
 foreach(INTERFACE ${REAL_INTERFACE_LIST})
 
   set(OpenVML_LIBSRC_S
@@ -20,6 +27,18 @@ foreach(INTERFACE ${REAL_INTERFACE_LIST})
     ${CMAKE_CURRENT_BINARY_DIR}/${INTERFACE}_d.c
     )
 
+  set(OpenVML_INTERFACE_NAME "")
+
+  cap_string(${INTERFACE} OpenVML_INTERFACE_NAME)
+
+  set_property(SOURCE ${CMAKE_CURRENT_SOURCE_DIR}/${INTERFACE}.c
+    APPEND 
+    PROPERTY COMPILE_DEFINITIONS ${OpenVML_S_DEFINITIONS} ) 
+
+  set_property(SOURCE ${CMAKE_CURRENT_SOURCE_DIR}/${INTERFACE}.c
+    APPEND 
+    PROPERTY COMPILE_DEFINITIONS CNAME=${OpenVML_FUNC_PREFIX}vs${OpenVML_INTERFACE_NAME}${OpenVML_FUNC_SUFFIX} ) 
+
   add_custom_command( OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${INTERFACE}_d.c
     DEPENDS ${INTERFACE}.c
     COMMAND ${CMAKE_COMMAND} -E copy_if_different ${CMAKE_CURRENT_SOURCE_DIR}/${INTERFACE}.c   ${CMAKE_CURRENT_BINARY_DIR}/${INTERFACE}_d.c
@@ -29,6 +48,10 @@ foreach(INTERFACE ${REAL_INTERFACE_LIST})
     APPEND 
     PROPERTY COMPILE_DEFINITIONS ${OpenVML_D_DEFINITIONS} ) 
 
+  set_property(SOURCE ${CMAKE_CURRENT_BINARY_DIR}/${INTERFACE}_d.c
+    APPEND 
+    PROPERTY COMPILE_DEFINITIONS CNAME=${OpenVML_FUNC_PREFIX}vd${OpenVML_INTERFACE_NAME}${OpenVML_FUNC_SUFFIX} ) 
+
 endforeach(INTERFACE)
 
 add_library(openvml_interface_core OBJECT ${OpenVML_LIBSRC_S} ${OpenVML_LIBSRC_D} ${OpenVML_LIBSRC_C} ${OpenVML_LIBSRC_Z} ${OpenVML_LIBSRC_OTHER})
diff --git a/interface/add.c b/interface/add.c
index 05527e3..e66b013 100644
--- a/interface/add.c
+++ b/interface/add.c
@@ -1,12 +1,10 @@
 #include <openvml.h>
 #include <openvml_kernel.h>
-#include <stdio.h>
 
-#ifndef DOUBLE
-void vsAdd(VML_INT n, const float * a, const float * b, float * y) {
-#else
-void vdAdd(VML_INT n, const double * a, const double * b, double * y) {
-#endif
+void CNAME(VML_INT n, const VML_FLOAT * a, const VML_FLOAT * b, VML_FLOAT * y) {
+
+  if (n<=0) return;
+  
+  ADD_K(n, (VML_FLOAT*)a, (VML_FLOAT*)b, y);
 
-  printf("%s", __func__);
 }
diff --git a/interface/sub.c b/interface/sub.c
index 51727df..7b46de6 100644
--- a/interface/sub.c
+++ b/interface/sub.c
@@ -1,12 +1,10 @@
 #include <openvml.h>
 #include <openvml_kernel.h>
-#include <stdio.h>
 
-#ifndef DOUBLE
-void vsSub(VML_INT n, const float * a, const float * b, float * y) {
-#else
-void vdSub(VML_INT n, const double * a, const double * b, double * y) {
-#endif
+void CNAME(VML_INT n, const VML_FLOAT * a, const VML_FLOAT * b, VML_FLOAT * y) {
+
+  if(n<=0) return;
+  
+  SUB_K(n, (VML_FLOAT*)a, (VML_FLOAT *)b, y);
 
-  printf("%s", __func__);
 }
diff --git a/kernel/CMakeLists.txt b/kernel/CMakeLists.txt
index ef64956..c640ec4 100644
--- a/kernel/CMakeLists.txt
+++ b/kernel/CMakeLists.txt
@@ -32,6 +32,10 @@ foreach(KERNEL ${KERNEL_LIST})
     APPEND 
     PROPERTY COMPILE_DEFINITIONS ${OpenVML_S_DEFINITIONS} ) 
 
+  set_property(SOURCE ${CMAKE_CURRENT_BINARY_DIR}/${KERNEL}_kernel_s_${OpenVML_ARCH}_${OpenVML_CPU_CORENAME}.c
+    APPEND 
+    PROPERTY COMPILE_DEFINITIONS KERNEL_NAME=${OpenVML_FUNC_PREFIX}s${KERNEL}_k${OpenVML_FUNC_SUFFIX} ) 
+
   set(D_KERNEL_SOURCE ${${KERNEL}_D_KERNEL_SOURCE})
   add_custom_command( OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${KERNEL}_kernel_d_${OpenVML_ARCH}_${OpenVML_CPU_CORENAME}.c
     DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${D_KERNEL_SOURCE}
@@ -42,6 +46,10 @@ foreach(KERNEL ${KERNEL_LIST})
     APPEND 
     PROPERTY COMPILE_DEFINITIONS ${OpenVML_D_DEFINITIONS} ) 
 
+  set_property(SOURCE ${CMAKE_CURRENT_BINARY_DIR}/${KERNEL}_kernel_d_${OpenVML_ARCH}_${OpenVML_CPU_CORENAME}.c
+    APPEND 
+    PROPERTY COMPILE_DEFINITIONS KERNEL_NAME=${OpenVML_FUNC_PREFIX}d${KERNEL}_k${OpenVML_FUNC_SUFFIX}) 
+
 endforeach(KERNEL)
 
 add_library(openvml_kernel_${OpenVML_ARCH}_${OpenVML_CPU_CORENAME}_core OBJECT ${OpenVML_LIBSRC_S} ${OpenVML_LIBSRC_D} ${OpenVML_LIBSRC_C} ${OpenVML_LIBSRC_Z})
diff --git a/kernel/generic/add_kernel.c b/kernel/generic/add_kernel.c
index 6e0fd90..dd793f1 100644
--- a/kernel/generic/add_kernel.c
+++ b/kernel/generic/add_kernel.c
@@ -1,10 +1,9 @@
 #include "openvml_kernel.h"
 
-#ifndef DOUBLE
-void sadd_k(VMLLONG n, float * a, float * b, float * y) {
-#else
-void dadd_k(VMLLONG n, float * a, float * b, float * y) {
-#endif
-
+void KERNEL_NAME(VMLLONG n, VML_FLOAT * a, VML_FLOAT * b, VML_FLOAT * y) {
 
+  VMLLONG i=0;
+  for(i=0; i<n; i++){
+    y[i]=a[i]+b[i];
+  }
 }
diff --git a/kernel/generic/sub_kernel.c b/kernel/generic/sub_kernel.c
index af9f9e7..072cbd4 100644
--- a/kernel/generic/sub_kernel.c
+++ b/kernel/generic/sub_kernel.c
@@ -1,10 +1,8 @@
 #include "openvml_kernel.h"
 
-#ifndef DOUBLE
-void ssub_k(VMLLONG n, float * a, float * b, float * y) {
-#else
-void dsub_k(VMLLONG n, float * a, float * b, float * y) {
-#endif
-
-
+void KERNEL_NAME(VMLLONG n, VML_FLOAT * a, VML_FLOAT * b, VML_FLOAT * y) {
+  VMLLONG i=0;
+  for(i=0; i<n; i++){
+    y[i]=a[i]-b[i];
+  }
 }