fix(json_render): json_render is not accurate enough for extremely small numbers. eg: fmt::format_to(std::back_inserter(buffer), FMT_COMPILE({}), double(0.0000000000017114087924596788)); you will get a result of 1.7114087924, this is a completely wrong result.

张峰 · 张峰 · commit b372611e86d9 · 2023-01-30T10:50:23.000+08:00
diff --git a/include/util/json_renderer.hpp b/include/util/json_renderer.hpp
@@ -56,7 +56,10 @@ template <typename Out> struct Renderer
         size_t decimalpos = std::find(buffer.begin(), buffer.end(), '.') - buffer.begin();
         if (buffer.size() > (decimalpos + 10))
         {
-            buffer.resize(decimalpos + 10);
+            buffer.clear();
+            fmt::format_to(std::back_inserter(buffer), FMT_COMPILE("{0:.10f}"), number.value);
+
+            // buffer.resize(decimalpos + 10);
         }
 
         write(buffer.data(), buffer.size());

Original file line number	Diff line number	Diff line change
`@@ -56,7 +56,10 @@ template <typename Out> struct Renderer`
`56`	`56`	`size_t decimalpos = std::find(buffer.begin(), buffer.end(), '.') - buffer.begin();`
`57`	`57`	`if (buffer.size() > (decimalpos + 10))`
`58`	`58`	`{`
`59`		`- buffer.resize(decimalpos + 10);`
	`59`	`+ buffer.clear();`
	`60`	`+ fmt::format_to(std::back_inserter(buffer), FMT_COMPILE("{0:.10f}"), number.value);`
	`61`	`+`
	`62`	`+ // buffer.resize(decimalpos + 10);`
`60`	`63`	`}`
`61`	`64`
`62`	`65`	`write(buffer.data(), buffer.size());`