+++ /dev/null
-//
-// UtilNanoTime.hpp
-// CPPUtil
-//
-// Created by James McIlree on 4/14/13.
-// Copyright (c) 2013 Apple. All rights reserved.
-//
-
-#ifndef __CPPUtil__UtilNanoTime__
-#define __CPPUtil__UtilNanoTime__
-
-class NanoTime {
- protected:
- uint64_t _time;
-
- public:
- NanoTime() : _time(0ULL) {}
- NanoTime(uint64_t t) : _time(t) {}
-
- bool operator==(const NanoTime& rhs) const { return this->_time == rhs._time; }
- bool operator!=(const NanoTime &rhs) const { return !(*this == rhs); }
-
- bool operator<(const NanoTime& rhs) const { return this->_time < rhs._time; }
- bool operator<=(const NanoTime& rhs) const { return this->_time <= rhs._time; }
- bool operator>(const NanoTime& rhs) const { return this->_time > rhs._time; }
- bool operator>=(const NanoTime& rhs) const { return this->_time >= rhs._time; }
-
- // We do not want to be able to mutate NanoTime(s)
- // without type enforcement, but it is useful to be able
- // to say "if (time == 0) {}", so we have value based
- // operators for comparison
- bool operator==(uint64_t value) const { return this->_time == value; }
- bool operator!=(uint64_t value) const { return !(*this == value); }
-
- bool operator<(uint64_t value) const { return this->_time < value; }
- bool operator<=(uint64_t value) const { return this->_time <= value; }
- bool operator>(uint64_t value) const { return this->_time > value; }
- bool operator>=(uint64_t value) const { return this->_time >= value; }
-
- NanoTime operator+(const NanoTime& rhs) const { return NanoTime(_time + rhs._time); }
- NanoTime operator-(const NanoTime& rhs) const { return NanoTime(_time - rhs._time); }
- NanoTime operator*(const NanoTime& rhs) const { return NanoTime(_time * rhs._time); }
- NanoTime operator/(const NanoTime& rhs) const { return NanoTime(_time / rhs._time); }
-
- NanoTime& operator+=(const NanoTime& rhs) { _time += rhs._time; return *this; }
-
- AbsTime abs_time() const; // NOTE! Uses system mach_timebase_info, potentially expensive conversion costs.
- AbsTime abs_time(mach_timebase_info_data_t timebase_info) const {
- return AbsTime(_time * timebase_info.denom / timebase_info.numer);
- }
-
- uint64_t value() const { return _time; }
- double double_value() const { return (double)_time; }
-};
-
-
-#endif /* defined(__CPPUtil__UtilNanoTime__) */