array_length c macro

Author: azimut

gamedev/graphics/raytracing.org

@@ -1,3 +1,7 @@
+- Monte Carlo
+  - https://www.youtube.com/watch?v=jRAMCzbXteA
+  - https://www.youtube.com/watch?v=HG6c4Kwbv4I
+
 - https://cs87-dartmouth.github.io/Fall2024/
 - playlist [[https://www.youtube.com/playlist?list=PLlrATfBNZ98edc5GshdBtREv5asFW3yXl][Ray Tracing]] by The Cherno
 - The Timeless https://www.youtube.com/watch?v=T-9R0zAwL7s

languages/compiled/c/cpp.org

@@ -65,6 +65,10 @@ https://developers.redhat.com/articles/2025/01/30/how-implement-c23-embed-gcc-15
 
 * Snippets
 
+- array size
+  #+begin_src c
+    #define ARRAY_LENGTH(array) (sizeof(array) / sizeof((array)[0]))
+  #+end_src
 - add a new scope, if we have local variables on the macro. Use a DO-WHILE(0) to support inside an IF
   #+begin_src c
     #define SUM_RANGE(start, end) {         \