AuroraSupport/AuroraRuntime
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[+] AuRNG::RngArrayI32RangeFast

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[+] AuRNG::RngArrayU32RangeFast
[+] AuRNG::RngArrayI64RangeFast
[+] AuRNG::RngArrayU64RangeFast
[+] IRandomDevice::NextArrayI32RangeFast
[+] IRandomDevice::NextArrayU32RangeFast
[+] IRandomDevice::NextArrayI64RangeFast
[+] IRandomDevice::NextArrayU64RangeFast
This commit is contained in:
Reece Wilson 2024-04-22 21:54:05 +01:00
parent 5f9681c9e3
commit 442a5f31eb
5 changed files with 136 additions and 0 deletions
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4
Include/Aurora/RNG/IRandomDevice.hpp
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@ -36,9 +36,13 @@ namespace Aurora::RNG
virtual AuUInt32 NextIndex(AuUInt32 uCount /* = max + 1*/) = 0;
virtual uuids::uuid NextUUID() = 0;
virtual AuList<AuInt32> NextArrayI32Range(AuUInt32 uCount, AuInt32 iMin, AuInt32 iMax) = 0;
virtual AuList<AuInt32> NextArrayI32RangeFast(AuUInt32 uCount, AuInt32 iMin, AuInt32 iMax) = 0;
virtual AuList<AuUInt32> NextArrayU32Range(AuUInt32 uCount, AuUInt32 uMin, AuUInt32 uMax) = 0;
virtual AuList<AuUInt32> NextArrayU32RangeFast(AuUInt32 uCount, AuUInt32 uMin, AuUInt32 uMax) = 0;
virtual AuList<AuInt64> NextArrayI64Range(AuUInt32 uCount, AuInt64 iMin, AuInt64 iMax) = 0;
virtual AuList<AuInt64> NextArrayI64RangeFast(AuUInt32 uCount, AuInt64 iMin, AuInt64 iMax) = 0;
virtual AuList<AuUInt64> NextArrayU64Range(AuUInt32 uCount, AuUInt64 uMin, AuUInt64 uMax) = 0;
virtual AuList<AuUInt64> NextArrayU64RangeFast(AuUInt32 uCount, AuUInt64 uMin, AuUInt64 uMax) = 0;
virtual AuList<AuUInt32> NextArrayU32Mask(AuUInt32 uCount, AuUInt32 uMask) = 0;
virtual AuList<AuUInt64> NextArrayU64Mask(AuUInt32 uCount, AuUInt64 uMask) = 0;
virtual AuList<double> NextArrayDoubleRange(AuUInt32 uCount, double dMin, double dMax) = 0;

4
Include/Aurora/RNG/RNG.hpp
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@ -45,9 +45,13 @@ namespace Aurora::RNG
AUKN_SYM AuUInt32 RngIndex(AuUInt32 uCount /* = max + 1*/);
AUKN_SYM uuids::uuid RngUUID();
AUKN_SYM AuList<AuInt32> RngArrayI32Range(AuUInt32 uCount, AuInt32 iMin, AuInt32 iMax);
AUKN_SYM AuList<AuInt32> RngArrayI32RangeFast(AuUInt32 uCount, AuInt32 iMin, AuInt32 iMax);
AUKN_SYM AuList<AuUInt32> RngArrayU32Range(AuUInt32 uCount, AuUInt32 uMin, AuUInt32 uMax);
AUKN_SYM AuList<AuUInt32> RngArrayU32RangeFast(AuUInt32 uCount, AuUInt32 uMin, AuUInt32 uMax);
AUKN_SYM AuList<AuInt64> RngArrayI64Range(AuUInt32 uCount, AuInt64 iMin, AuInt64 iMax);
AUKN_SYM AuList<AuInt64> RngArrayI64RangeFast(AuUInt32 uCount, AuInt64 iMin, AuInt64 iMax);
AUKN_SYM AuList<AuUInt64> RngArrayU64Range(AuUInt32 uCount, AuUInt64 uMin, AuUInt64 uMax);
AUKN_SYM AuList<AuUInt64> RngArrayU64RangeFast(AuUInt32 uCount, AuUInt64 uMin, AuUInt64 uMax);
AUKN_SYM AuList<AuUInt32> RngArrayU32Mask(AuUInt32 uCount, AuUInt32 uMask);
AUKN_SYM AuList<AuUInt64> RngArrayU64Mask(AuUInt32 uCount, AuUInt64 uMask);
AUKN_SYM AuList<double> RngArrayDoubleRange(AuUInt32 uCount, double dMin, double dMax);

20
Source/RNG/AuRNGStaticUtilities.cpp
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@ -237,4 +237,24 @@ namespace Aurora::RNG
{
return gFastDevice->NextArrayDecimalsFast(uCount);
}
AUKN_SYM AuList<AuInt32> RngArrayI32RangeFast(AuUInt32 uCount, AuInt32 iMin, AuInt32 iMax)
{
return gFastDevice->NextArrayI32RangeFast(uCount, iMin, iMax);
}
AUKN_SYM AuList<AuUInt32> RngArrayU32RangeFast(AuUInt32 uCount, AuUInt32 uMin, AuUInt32 uMax)
{
return gFastDevice->NextArrayU32RangeFast(uCount, uMin, uMax);
}
AUKN_SYM AuList<AuInt64> RngArrayI64RangeFast(AuUInt32 uCount, AuInt64 iMin, AuInt64 iMax)
{
return gFastDevice->NextArrayI64RangeFast(uCount, iMin, iMax);
}
AUKN_SYM AuList<AuUInt64> RngArrayU64RangeFast(AuUInt32 uCount, AuUInt64 uMin, AuUInt64 uMax)
{
return gFastDevice->NextArrayU64RangeFast(uCount, uMin, uMax);
}
}

104
Source/RNG/AuRandomDevice.cpp
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@ -322,6 +322,32 @@ namespace Aurora::RNG
return ret;
}
AuList<AuInt32> RandomDevice::NextArrayI32RangeFast(AuUInt32 uCount, AuInt32 iMin, AuInt32 iMax)
{
AuList<AuInt32> ret;
ret.resize(uCount);
auto uRange = AuUInt32(iMax - iMin);
auto uUpperBound = AuRoundUpPow2(uRange + 1);
auto uSeed = this->NextU32();
for (AU_ITERATE_N(uIndex, uCount))
{
AuUInt32 uNext {};
uSeed = AuFnv1a32Runtime(&uSeed, sizeof(uSeed));
while ((uNext = (uSeed & (uUpperBound - 1))) > uRange)
{
uSeed = AuFnv1a32Runtime(&uSeed, sizeof(uSeed));
}
ret[uIndex] = iMin + uNext;
}
return ret;
}
AuList<AuUInt32> RandomDevice::NextArrayU32Range(AuUInt32 uCount, AuUInt32 uMin, AuUInt32 uMax)
{
AuList<AuUInt32> ret;
@ -349,6 +375,32 @@ namespace Aurora::RNG
return ret;
}
AuList<AuUInt32> RandomDevice::NextArrayU32RangeFast(AuUInt32 uCount, AuUInt32 uMin, AuUInt32 uMax)
{
AuList<AuUInt32> ret;
ret.resize(uCount);
auto uRange = uMax - uMin;
auto uUpperBound = AuRoundUpPow2(uRange + 1);
auto uSeed = this->NextU32();
for (AU_ITERATE_N(uIndex, uCount))
{
AuUInt32 uNext {};
uSeed = AuFnv1a32Runtime(&uSeed, sizeof(uSeed));
while ((uNext = (uSeed & (uUpperBound - 1))) > uRange)
{
uSeed = AuFnv1a32Runtime(&uSeed, sizeof(uSeed));
}
ret[uIndex] = uMin + uNext;
}
return ret;
}
AuList<double> RandomDevice::NextArrayDoubleRange(AuUInt32 uCount, double dMin, double dMax)
{
#if defined(AURNG_USE_FAST_DECIMALS)
@ -446,6 +498,58 @@ namespace Aurora::RNG
return iMin + uNext;
}
AuList<AuInt64> RandomDevice::NextArrayI64RangeFast(AuUInt32 uCount, AuInt64 iMin, AuInt64 iMax)
{
AuList<AuInt64> ret;
ret.resize(uCount);
auto uRange = AuUInt64(iMax - iMin);
auto uUpperBound = AuRoundUpPow2(uRange + 1);
auto uSeed = this->NextU64();
for (AU_ITERATE_N(uIndex, uCount))
{
AuUInt64 uNext {};
uSeed = AuFnv1a64Runtime(&uSeed, sizeof(uSeed));
while ((uNext = (uSeed & (uUpperBound - 1))) > uRange)
{
uSeed = AuFnv1a64Runtime(&uSeed, sizeof(uSeed));
}
ret[uIndex] = iMin + uNext;
}
return ret;
}
AuList<AuUInt64> RandomDevice::NextArrayU64RangeFast(AuUInt32 uCount, AuUInt64 uMin, AuUInt64 uMax)
{
AuList<AuUInt64> ret;
ret.resize(uCount);
auto uRange = uMax - uMin;
auto uUpperBound = AuRoundUpPow2(uRange + 1);
auto uSeed = this->NextU64();
for (AU_ITERATE_N(uIndex, uCount))
{
AuUInt64 uNext {};
uSeed = AuFnv1a64Runtime(&uSeed, sizeof(uSeed));
while ((uNext = (uSeed & (uUpperBound - 1))) > uRange)
{
uSeed = AuFnv1a64Runtime(&uSeed, sizeof(uSeed));
}
ret[uIndex] = uMin + uNext;
}
return ret;
}
AuVec2 RandomDevice::NextVec2(AuVec2 boundA, AuVec2 boundB)
{
AuVec2 mins, maxs;

4
Source/RNG/AuRandomDevice.hpp
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@ -62,6 +62,10 @@ namespace Aurora::RNG
AuList<double> NextArrayDecimals(AuUInt32 uCount) override;
AuList<double> NextArrayDecimalsFast(AuUInt32 uCount) override;
AuList<uuids::uuid> NextArrayUUIDs(AuUInt32 uCount) override;
AuList<AuInt32> NextArrayI32RangeFast(AuUInt32 uCount, AuInt32 iMin, AuInt32 iMax) override;
AuList<AuUInt32> NextArrayU32RangeFast(AuUInt32 uCount, AuUInt32 uMin, AuUInt32 uMax) override;
AuList<AuInt64> NextArrayI64RangeFast(AuUInt32 uCount, AuInt64 iMin, AuInt64 iMax) override;
AuList<AuUInt64> NextArrayU64RangeFast(AuUInt32 uCount, AuUInt64 uMin, AuUInt64 uMax) override;
double NextDecimal() override;
double NextNumber(double dMin, double dMax) override;