removed useless c file

Author: Geolm

tests/CMakeLists.txt

@@ -4,7 +4,7 @@ set(CMAKE_OSX_ARCHITECTURES arm64;x86_64)
 
 project(arithmetic_codec_unit_tests)
 
-add_executable(test test.c arithmetic_codec.c)
+add_executable(test test.c)
 
 if(MSVC)
     target_compile_options(test PRIVATE /W4 /WX /std:c17)

tests/arithmetic_codec.c

@@ -4,6 +4,8 @@
 
 #include <stdint.h>
 #include "greatest.h"
+
+#define __ARITHMETIC_CODEC__IMPLEMENTATION__
 #include "../arithmetic_codec.h"
 
 enum {num_elements = 20};