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/**
* Copyright (c) 2016-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#include "utils.h"
#include <iomanip>
#include <ios>
namespace fasttext {
namespace utils {
int64_t size(std::ifstream& ifs) {
ifs.seekg(std::streamoff(0), std::ios::end);
return ifs.tellg();
}
void seek(std::ifstream& ifs, int64_t pos) {
ifs.clear();
ifs.seekg(std::streampos(pos));
}
double getDuration(
const std::chrono::steady_clock::time_point& start,
const std::chrono::steady_clock::time_point& end) {
return std::chrono::duration_cast<std::chrono::duration<double>>(end - start)
.count();
}
ClockPrint::ClockPrint(int32_t duration) : duration_(duration) {}
std::ostream& operator<<(std::ostream& out, const ClockPrint& me) {
int32_t etah = me.duration_ / 3600;
int32_t etam = (me.duration_ % 3600) / 60;
int32_t etas = (me.duration_ % 3600) % 60;
out << std::setw(3) << etah << "h" << std::setw(2) << etam << "m";
out << std::setw(2) << etas << "s";
return out;
}
bool compareFirstLess(const std::pair<double, double>& l, const double& r) {
return l.first < r;
}
} // namespace utils
} // namespace fasttext
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