From 31c7e98a4a46c2d0ef93c5fca47d64d05b96449f Mon Sep 17 00:00:00 2001
From: Diego <96022404+dzfrias@users.noreply.github.com>
Date: Sat, 6 Jul 2024 13:54:56 -0700
Subject: [PATCH] LibWasm: Fix comparisons between 0.0 and -0.0

According to the spec, -0.0 < 0.0.
---
 .../LibWasm/AbstractMachine/Operators.h       | 28 ++++++++-----------
 1 file changed, 12 insertions(+), 16 deletions(-)

diff --git a/Userland/Libraries/LibWasm/AbstractMachine/Operators.h b/Userland/Libraries/LibWasm/AbstractMachine/Operators.h
index 4364bee6537..d3bfb90a5bd 100644
--- a/Userland/Libraries/LibWasm/AbstractMachine/Operators.h
+++ b/Userland/Libraries/LibWasm/AbstractMachine/Operators.h
@@ -329,14 +329,12 @@ struct Minimum {
     auto operator()(Lhs lhs, Rhs rhs) const
     {
         if constexpr (IsFloatingPoint<Lhs> || IsFloatingPoint<Rhs>) {
-            if (isnan(lhs))
-                return lhs;
-            if (isnan(rhs))
-                return rhs;
-            if (isinf(lhs))
-                return lhs > 0 ? rhs : lhs;
-            if (isinf(rhs))
-                return rhs > 0 ? lhs : rhs;
+            if (isnan(lhs) || isnan(rhs)) {
+                return isnan(lhs) ? lhs : rhs;
+            }
+            if (lhs == 0 && rhs == 0) {
+                return signbit(lhs) ? lhs : rhs;
+            }
         }
         return min(lhs, rhs);
     }
@@ -349,14 +347,12 @@ struct Maximum {
     auto operator()(Lhs lhs, Rhs rhs) const
     {
         if constexpr (IsFloatingPoint<Lhs> || IsFloatingPoint<Rhs>) {
-            if (isnan(lhs))
-                return lhs;
-            if (isnan(rhs))
-                return rhs;
-            if (isinf(lhs))
-                return lhs > 0 ? lhs : rhs;
-            if (isinf(rhs))
-                return rhs > 0 ? rhs : lhs;
+            if (isnan(lhs) || isnan(rhs)) {
+                return isnan(lhs) ? lhs : rhs;
+            }
+            if (lhs == 0 && rhs == 0) {
+                return signbit(lhs) ? rhs : lhs;
+            }
         }
         return max(lhs, rhs);
     }