always use std:: namespace for math functions

fixes #201

2 files changed, 3 insertions, 3 deletions

diff --git a/include/llmr/map/tile.hpp b/include/llmr/map/tile.hpp
index 76a01e04e8..0f43f9df2b 100644
--- a/include/llmr/map/tile.hpp
+++ b/include/llmr/map/tile.hpp
@@ -33,7 +33,7 @@ public:
             : w((x < 0 ? x - (1 << z) + 1 : x) / (1 << z)), z(z), x(x), y(y) {}
 
         inline uint64_t to_uint64() const {
-            return ((pow(2, z) * y + x) * 32) + z;
+            return ((std::pow(2, z) * y + x) * 32) + z;
         }
 
         inline operator std::string() const {
diff --git a/include/llmr/map/transform.hpp b/include/llmr/map/transform.hpp
index 6b43521309..472d01ab7e 100644
--- a/include/llmr/map/transform.hpp
+++ b/include/llmr/map/transform.hpp
@@ -81,8 +81,8 @@ private:
 
     // Limit the amount of zooming possible on the map.
     // TODO: make these modifiable from outside.
-    const double min_scale = pow(2, 0);
-    const double max_scale = pow(2, 20);
+    const double min_scale = std::pow(2, 0);
+    const double max_scale = std::pow(2, 20);
 
     // cache values for spherical mercator math
     double zc, Bc, Cc;