96 lines
2.2 KiB
C++
96 lines
2.2 KiB
C++
/*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/.
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*/
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#pragma once
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#include <stdint.h>
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namespace openVulkanoCpp::Math
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{
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class Timestamp final
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{
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static constexpr uint64_t SECONDS_TO_NANOS = 1'000'000'000ull;
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static constexpr double NANOS_TO_SECONDS = 1 / SECONDS_TO_NANOS;
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uint64_t timestamp;
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public:
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explicit Timestamp(uint64_t nanos = 0) : timestamp(nanos) {}
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explicit Timestamp(double seconds) : timestamp(static_cast<uint64_t>(seconds * SECONDS_TO_NANOS)) {}
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[[nodiscard]] uint64_t GetNanos() const { return timestamp; }
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[[nodiscard]] double GetSeconds() const { return timestamp * NANOS_TO_SECONDS; }
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Timestamp& operator+=(const Timestamp& rhs)
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{
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timestamp += rhs.timestamp;
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return *this;
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}
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Timestamp& operator-=(const Timestamp& rhs)
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{
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timestamp -= rhs.timestamp;
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return *this;
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}
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Timestamp& operator =(double time)
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{
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timestamp = Timestamp(time).timestamp;
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return *this;
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}
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Timestamp& operator =(uint64_t time)
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{
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timestamp = time;
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return *this;
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}
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};
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inline bool operator==(const Timestamp& lhs, const Timestamp& rhs)
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{
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return lhs.GetNanos() == rhs.GetNanos();
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}
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inline bool operator!=(const Timestamp& lhs, const Timestamp& rhs)
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{
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return !(lhs == rhs);
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}
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inline bool operator<(const Timestamp& lhs, const Timestamp& rhs)
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{
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return lhs.GetNanos() < rhs.GetNanos();
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}
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inline bool operator>(const Timestamp& lhs, const Timestamp& rhs)
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{
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return rhs < lhs;
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}
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inline bool operator>=(const Timestamp& lhs, const Timestamp& rhs)
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{
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return !(lhs < rhs);
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}
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inline bool operator<=(const Timestamp& lhs, const Timestamp& rhs)
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{
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return !(rhs < lhs);
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}
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inline Timestamp operator-(const Timestamp& lhs, const Timestamp& rhs)
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{
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return Timestamp(lhs.GetNanos() - rhs.GetNanos());
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}
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inline Timestamp operator+(const Timestamp& lhs, const Timestamp& rhs)
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{
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return Timestamp(lhs.GetNanos() + rhs.GetNanos());
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}
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inline double operator/(const Timestamp& lhs, const Timestamp& rhs)
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{
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return lhs.GetNanos() / static_cast<double>(rhs.GetNanos());
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}
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} |