From f5095247e8eee96e2169036a1d27ec64d1aecc4c Mon Sep 17 00:00:00 2001
From: SChernykh <15806605+SChernykh@users.noreply.github.com>
Date: Mon, 29 Jul 2024 17:14:21 +0200
Subject: [PATCH] Make Json::normalize more strict

Rounding a regular FP value can give an invalid result - check the result too.
---
 src/base/io/json/Json.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/base/io/json/Json.cpp b/src/base/io/json/Json.cpp
index 720f75152..cb4f7911b 100644
--- a/src/base/io/json/Json.cpp
+++ b/src/base/io/json/Json.cpp
@@ -211,11 +211,13 @@ rapidjson::Value xmrig::Json::normalize(double value, bool zero)
 {
     using namespace rapidjson;
 
-    if (!std::isnormal(value)) {
+    const double value_rounded = floor(value * 100.0) / 100.0;
+
+    if (!std::isnormal(value) || !std::isnormal(value_rounded)) {
         return zero ? Value(0.0) : Value(kNullType);
     }
 
-    return Value(floor(value * 100.0) / 100.0);
+    return Value(value_rounded);
 }