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Optimizations.

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This commit is contained in:
Razmoth
2023-01-07 21:52:15 +04:00
parent 00fb0a8fb4
commit feb6f370c0
3 changed files with 116 additions and 9 deletions
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19
AssetStudio/Crypto/MT19937_64.cs
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@@ -1,6 +1,6 @@
namespace AssetStudio
{
public static class MT19937_64
public class MT19937_64
{
private const ulong N = 312;
private const ulong M = 156;
@@ -8,10 +8,15 @@
private const ulong UPPER_MASK = 0xFFFFFFFF80000000;
private const ulong LOWER_MASK = 0X7FFFFFFFUL;
private static readonly ulong[] mt = new ulong[N + 1];
private static ulong mti = N + 1;
private readonly ulong[] mt = new ulong[N + 1];
private ulong mti = N + 1;
public static void Init(ulong seed)
public MT19937_64(ulong seed)
{
Init(seed);
}
public void Init(ulong seed)
{
mt[0] = seed;
for (mti = 1; mti < N; mti++)
@@ -20,7 +25,7 @@
}
}
public static ulong Int64()
public ulong Int64()
{
ulong x;
ulong[] mag01 = new ulong[2] { 0x0UL, MATRIX_A };
@@ -56,12 +61,12 @@
return x;
}
public static long Int63()
public long Int63()
{
return (long)(Int64() >> 1);
}
public static ulong IntN(ulong value)
public ulong IntN(ulong value)
{
return (ulong)Int63() % value;
}