From 7bea53d30cc0a1e1355366d3ba239faecdc57cfb Mon Sep 17 00:00:00 2001
From: nsiccha <nikolassiccha@gmail.com>
Date: Wed, 15 Oct 2025 13:10:14 +0200
Subject: [PATCH] Start defining built-in binary vectorized function tracetypes

---
 src/slic_stan/builtin.jl | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/slic_stan/builtin.jl b/src/slic_stan/builtin.jl
index b19b5a0..ad8a021 100644
--- a/src/slic_stan/builtin.jl
+++ b/src/slic_stan/builtin.jl
@@ -290,6 +290,10 @@ end
         (real[n],)=>real[n]
         (matrix[m,n],)=>matrix[m,n]
     end
+    Union{typeof.((log_sum_exp, ))...} => begin 
+        (real, real) => real
+        (vector[n], vector[n]) => vector[n]
+    end
     typeof(÷) => begin 
         (int, int) => int
     end