[core] use rapidjson's dtoa implementation to stringify floating point numbers

1 files changed, 14 insertions, 0 deletions

diff --git a/include/mbgl/util/string.hpp b/include/mbgl/util/string.hpp
index d422a9d8f7..5d3631e190 100644
--- a/include/mbgl/util/string.hpp
+++ b/include/mbgl/util/string.hpp
@@ -5,6 +5,8 @@
 #include <cassert>
 #include <exception>
 
+#include <mbgl/util/dtoa.hpp>
+
 namespace mbgl {
 namespace util {
 
@@ -21,6 +23,18 @@ inline std::string toString(uint8_t num) {
     return std::to_string(unsigned(num));
 }
 
+inline std::string toString(float num) {
+    return dtoa(num);
+}
+
+inline std::string toString(double num) {
+    return dtoa(num);
+}
+
+inline std::string toString(long double num) {
+    return dtoa(num);
+}
+
 inline std::string toString(std::exception_ptr error) {
     assert(error);