From b05f5c5f7fbb9fa79b068e6a265e3d6c2a77026b Mon Sep 17 00:00:00 2001
From: Ansis Brammanis <brammanis@gmail.com>
Date: Wed, 26 Aug 2015 11:14:08 -0400
Subject: increase precision for coordinate conversions

This fixes the earthquakes while panning at high zoom levels.

Cherry-picked from 9607171612c4a40e41eddaff5230ad571571a5b9 on the perspective-improved-gestures branch.
---
 src/mbgl/util/tile_coordinate.hpp | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

(limited to 'src/mbgl/util/tile_coordinate.hpp')

diff --git a/src/mbgl/util/tile_coordinate.hpp b/src/mbgl/util/tile_coordinate.hpp
index 0f5f0dcb8b..836539b5bb 100644
--- a/src/mbgl/util/tile_coordinate.hpp
+++ b/src/mbgl/util/tile_coordinate.hpp
@@ -6,15 +6,15 @@
 namespace mbgl {
 
 struct TileCoordinate {
-    float column;
-    float row;
-    float zoom;
+    double column;
+    double row;
+    double zoom;
 
-    TileCoordinate(float column_, float row_, float zoom_) :
+    TileCoordinate(double column_, double row_, double zoom_) :
         column(column_), row(row_), zoom(zoom_) {}
 
-    TileCoordinate zoomTo(float targetZoom) {
-        float scale = std::pow(2, targetZoom - zoom);
+    TileCoordinate zoomTo(double targetZoom) {
+        double scale = std::pow(2, targetZoom - zoom);
         return { column * scale, row * scale, targetZoom };
     }
 
-- 
cgit v1.2.1