From aa9eb7b234b8429933e2be4835be6e77cf1d0298 Mon Sep 17 00:00:00 2001
From: Antoine SOULIER <asoulier@google.com>
Date: Fri, 13 May 2022 10:22:51 +0200
Subject: [PATCH] sanitizer: prevent sub that result in negative unsigned
 result

---
 src/fastmath.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/fastmath.h b/src/fastmath.h
index 32cf79e..4210f2e 100644
--- a/src/fastmath.h
+++ b/src/fastmath.h
@@ -147,7 +147,7 @@ static inline int32_t fast_db_q16(float x)
 
     union { float f; uint32_t u; } x2 = { .f = x*x };
 
-    int e2 = (x2.u >> 22) - 2*127;
+    int e2 = (int)(x2.u >> 22) - 2*127;
     int hi = (x2.u >> 18) & 0x1f;
     int lo = (x2.u >>  2) & 0xffff;