From 982d36584205d97da75b48b582a52be39d9f03cb Mon Sep 17 00:00:00 2001
From: zmiao <miao.zhao@mapbox.com>
Date: Fri, 3 Apr 2020 12:21:45 +0300
Subject: [build] Fix division by zero error

---
 src/mbgl/style/expression/compound_expression.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/mbgl/style/expression/compound_expression.cpp b/src/mbgl/style/expression/compound_expression.cpp
index d1722b071f..bae0258aa0 100644
--- a/src/mbgl/style/expression/compound_expression.cpp
+++ b/src/mbgl/style/expression/compound_expression.cpp
@@ -502,7 +502,9 @@ const auto& divideCompoundExpression() {
     static auto signature = detail::makeSignature("/", [](double a, double b) -> Result<double> {
         if (b == 0) {
             if (a == 0) return std::numeric_limits<double>::quiet_NaN();
-            return std::numeric_limits<double>::infinity();
+            double inf = std::numeric_limits<double>::infinity();
+            if (a > 0) return inf;
+            if (a < 0) return -inf;
         }
         return a / b;
     });
-- 
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