always use std:: namespace for math functions

fixes #201

1 files changed, 6 insertions, 6 deletions

diff --git a/src/geometry/text_buffer.cpp b/src/geometry/text_buffer.cpp
index d8b2eb6ef2..d3529c5604 100644
--- a/src/geometry/text_buffer.cpp
+++ b/src/geometry/text_buffer.cpp
@@ -15,21 +15,21 @@ size_t TextVertexBuffer::add(int16_t x, int16_t y, float ox, float oy, uint16_t
     int16_t *shorts = static_cast<int16_t *>(data);
     shorts[0] = x;
     shorts[1] = y;
-    shorts[2] = round(ox * 64); // use 1/64 pixels for placement
-    shorts[3] = round(oy * 64);
+    shorts[2] = std::round(ox * 64); // use 1/64 pixels for placement
+    shorts[3] = std::round(oy * 64);
 
     uint8_t *ubytes = static_cast<uint8_t *>(data);
     // a_data1
     ubytes[8] = tx / 4;
     ubytes[9] = ty / 4;
     ubytes[10] = labelminzoom * 10;
-    ubytes[11] = (int16_t)round(angle * angleFactor) % 256;
+    ubytes[11] = (int16_t)std::round(angle * angleFactor) % 256;
 
     // a_data2
     ubytes[12] = minzoom * 10; // 1/10 zoom levels: z16 == 160.
-    ubytes[13] = fmin(maxzoom, 25) * 10; // 1/10 zoom levels: z16 == 160.
-    ubytes[14] = util::max((int16_t)round(range[0] * angleFactor), (int16_t)0) % 256;
-    ubytes[15] = util::min((int16_t)round(range[1] * angleFactor), (int16_t)255) % 256;
+    ubytes[13] = std::fmin(maxzoom, 25) * 10; // 1/10 zoom levels: z16 == 160.
+    ubytes[14] = util::max((int16_t)std::round(range[0] * angleFactor), (int16_t)0) % 256;
+    ubytes[15] = util::min((int16_t)std::round(range[1] * angleFactor), (int16_t)255) % 256;
 
     return idx;
 }