From 4d16ee4ed48ca2607be0b5a1e68562ba5f53bcc8 Mon Sep 17 00:00:00 2001
From: Sidharth Guglani <sidharthguglani@fb.com>
Date: Tue, 5 Nov 2019 17:12:39 -0800
Subject: [PATCH] Use double for YGRoundValueToPixelGrid calculations

Summary:
Use double for YGRoundValueToPixelGrid calculations as we were losing some precision in float operations

#Changelog:
[Internal][Yoga] Use double for YGRoundValueToPixelGrid calculations

Reviewed By: astreet

Differential Revision: D18225999

fbshipit-source-id: 69c05f56a0e0f3433bf0bd958aa07d26dd83fe02
---
 yoga/Yoga.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/yoga/Yoga.cpp b/yoga/Yoga.cpp
index 8483dd88..016ab0ac 100644
--- a/yoga/Yoga.cpp
+++ b/yoga/Yoga.cpp
@@ -3650,7 +3650,7 @@ YOGA_EXPORT float YGRoundValueToPixelGrid(
     const float pointScaleFactor,
     const bool forceCeil,
     const bool forceFloor) {
-  float scaledValue = value * pointScaleFactor;
+  double scaledValue = ((double) value) * pointScaleFactor;
   // We want to calculate `fractial` such that `floor(scaledValue) = scaledValue
   // - fractial`.
   float fractial = fmodf(scaledValue, 1.0f);