forked from mpusz/mp-units
65 lines
1.7 KiB
C++
65 lines
1.7 KiB
C++
#pragma once
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/*
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Copyright (c) 2003-2020 Andy Little.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see http://www.gnu.org/licenses./
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*/
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#include "./time.h"
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#include <ctime>
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namespace units{ namespace experimental{
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class timer{
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public:
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timer(): running(true)
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{
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start_time = std::clock();
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}
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void restart()
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{
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running = true;
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start_time = std::clock();
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}
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void stop()
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{
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if (running){
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stop_time = std::clock();
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running = false;
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}
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}
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q_time::ms<> operator ()()const
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{
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std::clock_t const wanted = running ? std::clock() : stop_time;
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static constexpr auto divider = 1000.0 / CLOCKS_PER_SEC;
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return q_time::ms<>(
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static_cast<double>(wanted - start_time)
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) * divider;
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}
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bool is_running() const {return running;}
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bool is_stopped() const {return !running;}
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private:
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bool running;
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std::clock_t start_time,stop_time;
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};
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} }//units::experimental
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