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improve funtion round and add get_time_now function

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Jie 2025-01-07 17:42:12 +08:00
parent b25b314d2a
commit 65cf9572a4
1 changed files with 18 additions and 1 deletions
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19
include/toolkit.h
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@ -11,6 +11,7 @@
#include <vector> #include <vector>
#include <ranges> #include <ranges>
#include <cmath> #include <cmath>
#include <chrono>
namespace ranges = std::ranges; namespace ranges = std::ranges;
namespace views = std::ranges::views; namespace views = std::ranges::views;
@ -99,7 +100,9 @@ namespace toolkit
return std::vector<T>(v.begin(), v.end()); return std::vector<T>(v.begin(), v.end());
} }
double round(double value, int c){ template<typename T>
requires std::is_same_v<T, double> || std::is_same_v<T, float>
double round(T value, int c){
auto temp = 1; auto temp = 1;
for(int i=0;i<c;i++){ for(int i=0;i<c;i++){
temp=temp*10; temp=temp*10;
@ -107,6 +110,20 @@ namespace toolkit
return std::round(value*temp)/temp; return std::round(value*temp)/temp;
} }
std::string get_time_now(){
auto time_now = std::chrono::system_clock::now();
auto now_c = std::chrono::system_clock::to_time_t(time_now);
char buffer[32];
#if defined(_WIN32) || defined(_WIN64)
auto _ = ctime_s(buffer, 32, &now_c);
#elif defined(__linux__)
auto _ = ctime_r(&now_c, buffer);
#endif
auto result = std::string(buffer);
result = replace_string(result, "\n", "");
return std::move(result);
}
} }
#endif #endif