From ab8000b43216974fe360aa953ffd88f7afe7acc9 Mon Sep 17 00:00:00 2001
From: raskad <32105367+raskad@users.noreply.github.com>
Date: Fri, 25 Nov 2022 02:10:05 +0100
Subject: [PATCH 1/2] Fix `PartialEq` for `JsBigInt` and `f64`

---
 boa_engine/src/bigint.rs | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/boa_engine/src/bigint.rs b/boa_engine/src/bigint.rs
index 029350cb9fb..7a239fe3287 100644
--- a/boa_engine/src/bigint.rs
+++ b/boa_engine/src/bigint.rs
@@ -453,21 +453,21 @@ impl PartialEq<JsBigInt> for i32 {
 impl PartialEq<f64> for JsBigInt {
     #[inline]
     fn eq(&self, other: &f64) -> bool {
-        if other.fract() != 0.0 {
-            return false;
+        if other.fract().is_zero() {
+            RawBigInt::from_f64(*other).map_or(false, |bigint| self.inner.as_ref() == &bigint)
+        } else {
+            false
         }
-
-        self.inner.as_ref() == &RawBigInt::from(*other as i64)
     }
 }
 
 impl PartialEq<JsBigInt> for f64 {
     #[inline]
     fn eq(&self, other: &JsBigInt) -> bool {
-        if self.fract() != 0.0 {
-            return false;
+        if self.fract().is_zero() {
+            RawBigInt::from_f64(*self).map_or(false, |bigint| other.inner.as_ref() == &bigint)
+        } else {
+            false
         }
-
-        &RawBigInt::from(*self as i64) == other.inner.as_ref()
     }
 }

From 6a15a13e2df6e16a0cc84907cf6c86f3ff5a3c24 Mon Sep 17 00:00:00 2001
From: raskad <32105367+raskad@users.noreply.github.com>
Date: Fri, 25 Nov 2022 18:03:18 +0100
Subject: [PATCH 2/2] Apply suggestions

---
 boa_engine/src/bigint.rs | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/boa_engine/src/bigint.rs b/boa_engine/src/bigint.rs
index 7a239fe3287..df113190f54 100644
--- a/boa_engine/src/bigint.rs
+++ b/boa_engine/src/bigint.rs
@@ -453,21 +453,15 @@ impl PartialEq<JsBigInt> for i32 {
 impl PartialEq<f64> for JsBigInt {
     #[inline]
     fn eq(&self, other: &f64) -> bool {
-        if other.fract().is_zero() {
-            RawBigInt::from_f64(*other).map_or(false, |bigint| self.inner.as_ref() == &bigint)
-        } else {
-            false
-        }
+        other.fract().is_zero()
+            && RawBigInt::from_f64(*other).map_or(false, |bigint| self.inner.as_ref() == &bigint)
     }
 }
 
 impl PartialEq<JsBigInt> for f64 {
     #[inline]
     fn eq(&self, other: &JsBigInt) -> bool {
-        if self.fract().is_zero() {
-            RawBigInt::from_f64(*self).map_or(false, |bigint| other.inner.as_ref() == &bigint)
-        } else {
-            false
-        }
+        self.fract().is_zero()
+            && RawBigInt::from_f64(*self).map_or(false, |bigint| other.inner.as_ref() == &bigint)
     }
 }