From 1d118931cf3b178fb7b16948b8612aef646a70a1 Mon Sep 17 00:00:00 2001
From: tim <tim@dexorder.trade>
Date: Sun, 27 Oct 2024 23:45:00 -0400
Subject: [PATCH] IEEE754 isPositive/isNegative fixes

---
 src/core/IEEE754.sol | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/core/IEEE754.sol b/src/core/IEEE754.sol
index 728c6ca..34c5099 100644
--- a/src/core/IEEE754.sol
+++ b/src/core/IEEE754.sol
@@ -63,11 +63,13 @@ library IEEE754 {
     }}
 
     function isPositive(float f) internal pure returns (bool) {
-        return float.unwrap(f) & SIGN_MASK == 0;
+        uint32 raw = float.unwrap(f);
+        return raw != 0 && raw & SIGN_MASK == 0;
     }
 
     function isNegative(float f) internal pure returns (bool) {
-        return float.unwrap(f) & SIGN_MASK != 0;
+        uint32 raw = float.unwrap(f);
+        return raw != 0 && raw & SIGN_MASK != 0;
     }
 
     function isZero(float f) internal pure returns (bool) {