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core/core_timing_util: Use std::chrono types for specifying time units

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Makes the interface more type-safe and consistent in terms of return
values.
This commit is contained in:
Lioncash 2019-06-04 19:52:42 -04:00
parent c5d6bd7f15
commit 97882b84a8
7 changed files with 43 additions and 36 deletions
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36
src/core/core_timing_util.cpp
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@ -13,36 +13,40 @@ namespace Core::Timing {
constexpr u64 MAX_VALUE_TO_MULTIPLY = std::numeric_limits<s64>::max() / BASE_CLOCK_RATE;
s64 usToCycles(s64 us) {
if (static_cast<u64>(us / 1000000) > MAX_VALUE_TO_MULTIPLY) {
s64 msToCycles(std::chrono::milliseconds ms) {
if (static_cast<u64>(ms.count() / 1000) > MAX_VALUE_TO_MULTIPLY) {
LOG_ERROR(Core_Timing, "Integer overflow, use max value");
return std::numeric_limits<s64>::max();
}
if (static_cast<u64>(us) > MAX_VALUE_TO_MULTIPLY) {
if (static_cast<u64>(ms.count()) > MAX_VALUE_TO_MULTIPLY) {
LOG_DEBUG(Core_Timing, "Time very big, do rounding");
return BASE_CLOCK_RATE * (us / 1000000);
return BASE_CLOCK_RATE * (ms.count() / 1000);
}
return (BASE_CLOCK_RATE * us) / 1000000;
return (BASE_CLOCK_RATE * ms.count()) / 1000;
}
s64 usToCycles(u64 us) {
return usToCycles(static_cast<s64>(us));
}
s64 nsToCycles(s64 ns) {
if (static_cast<u64>(ns / 1000000000) > MAX_VALUE_TO_MULTIPLY) {
s64 usToCycles(std::chrono::microseconds us) {
if (static_cast<u64>(us.count() / 1000000) > MAX_VALUE_TO_MULTIPLY) {
LOG_ERROR(Core_Timing, "Integer overflow, use max value");
return std::numeric_limits<s64>::max();
}
if (static_cast<u64>(ns) > MAX_VALUE_TO_MULTIPLY) {
if (static_cast<u64>(us.count()) > MAX_VALUE_TO_MULTIPLY) {
LOG_DEBUG(Core_Timing, "Time very big, do rounding");
return BASE_CLOCK_RATE * (ns / 1000000000);
return BASE_CLOCK_RATE * (us.count() / 1000000);
}
return (BASE_CLOCK_RATE * ns) / 1000000000;
return (BASE_CLOCK_RATE * us.count()) / 1000000;
}
s64 nsToCycles(u64 ns) {
return nsToCycles(static_cast<s64>(ns));
s64 nsToCycles(std::chrono::nanoseconds ns) {
if (static_cast<u64>(ns.count() / 1000000000) > MAX_VALUE_TO_MULTIPLY) {
LOG_ERROR(Core_Timing, "Integer overflow, use max value");
return std::numeric_limits<s64>::max();
}
if (static_cast<u64>(ns.count()) > MAX_VALUE_TO_MULTIPLY) {
LOG_DEBUG(Core_Timing, "Time very big, do rounding");
return BASE_CLOCK_RATE * (ns.count() / 1000000000);
}
return (BASE_CLOCK_RATE * ns.count()) / 1000000000;
}
u64 CpuCyclesToClockCycles(u64 ticks) {