[core] don't use floating point versions of pow/log

GLIBC 2.27 added new versioned symbols of powf and logf, while the double versions of pow and log remained stable.
Prefer the double version to avoid introducing a dependency on a newer version of GLIBC than strictly necessary.
See https://lists.gnu.org/archive/html/info-gnu/2018-02/msg00000.html

1 files changed, 1 insertions, 1 deletions

diff --git a/src/mbgl/style/expression/compound_expression.cpp b/src/mbgl/style/expression/compound_expression.cpp
index 4226756fe4..a961de60ae 100644
--- a/src/mbgl/style/expression/compound_expression.cpp
+++ b/src/mbgl/style/expression/compound_expression.cpp
@@ -451,7 +451,7 @@ std::unordered_map<std::string, CompoundExpressionRegistry::Definition> initiali
     define("sqrt", [](double x) -> Result<double> { return sqrt(x); });
     define("log10", [](double x) -> Result<double> { return log10(x); });
     define("ln", [](double x) -> Result<double> { return log(x); });
-    define("log2", [](double x) -> Result<double> { return util::log2(x); });
+    define("log2", [](double x) -> Result<double> { return log2(x); });
     define("sin", [](double x) -> Result<double> { return sin(x); });
     define("cos", [](double x) -> Result<double> { return cos(x); });
     define("tan", [](double x) -> Result<double> { return tan(x); });