Rename compile definition

Author: Growl1234

CMakeLists.txt

@@ -328,7 +328,7 @@ if(CMAKE_CXX_COMPILER_ID MATCHES Intel)
 endif()
 
 if(ENABLE_ABACUS_LIBM)
-  abacus_add_feature_definitions(USE_ABACUS_LIBM)
+  abacus_add_feature_definitions(__ABACUS_LIBM)
 endif()
 
 if(ENABLE_NATIVE_OPTIMIZATION)

source/source_base/libm/libm.h

@@ -14,7 +14,7 @@ namespace ModuleBase
 namespace libm
 {
 
-#ifdef USE_ABACUS_LIBM
+#ifdef __ABACUS_LIBM
 
 double __exp (double x);
 double __cos (double x);