From 21834035950feaadac9d4c7cad82b90ee624c984 Mon Sep 17 00:00:00 2001
From: yy1717 <fctom1215@outlook.com>
Date: 星期一, 17 八月 2020 19:30:06 +0800
Subject: [PATCH] 传感器变更

---
 lib/src/main/cpp/utils/num.cpp |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/lib/src/main/cpp/utils/num.cpp b/lib/src/main/cpp/utils/num.cpp
index 0019ccf..6627921 100644
--- a/lib/src/main/cpp/utils/num.cpp
+++ b/lib/src/main/cpp/utils/num.cpp
@@ -3,6 +3,11 @@
 //
 
 #include "num.h"
+#include <sstream>
+#include <iosfwd>
+#include <iomanip>
+
+using namespace std;
 
 long str2int(const uint8_t *s, uint16_t length)
 {
@@ -85,3 +90,10 @@
 
     return n ;
 }
+
+double round(double number, unsigned int bits) {
+    stringstream ss;
+    ss << setiosflags(ios::fixed) << setprecision(bits) << number;
+    ss >> number;
+    return number;
+}

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