mlemanczyk/even-perfect-numbers-scanner
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Rename CPU Montgomery multiply and align GPU helper

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Marek Lemańczyk committed 2025-10-28 21:06:40 +01:00
1 parent eaee599f25
commit 3304335072
8 files changed
+87 -64
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PerfectNumbers.Core/ULongExtensions.cs
+4 -4
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@@ -553,7 +553,7 @@ public static partial class ULongExtensions
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static ulong MontgomeryMultiply(this ulong a, ulong b, ulong modulus, ulong nPrime)
public static ulong MontgomeryMultiplyCpu(this ulong a, ulong b, ulong modulus, ulong nPrime)
{
ulong tLow = unchecked(a * b);
ulong m = unchecked(tLow * nPrime);
@@ -581,7 +581,7 @@ public static partial class ULongExtensions
{
if ((remainingExponent & 1UL) != 0UL)
{
result = result.MontgomeryMultiply(baseVal, modulus, nPrime);
result = result.MontgomeryMultiplyCpu(baseVal, modulus, nPrime);
}
remainingExponent >>= 1;
@@ -590,10 +590,10 @@ public static partial class ULongExtensions
break;
}
baseVal = baseVal.MontgomeryMultiply(baseVal, modulus, nPrime);
baseVal = baseVal.MontgomeryMultiplyCpu(baseVal, modulus, nPrime);
}
return keepMontgomery ? result : result.MontgomeryMultiply(1UL, modulus, nPrime);
return keepMontgomery ? result : result.MontgomeryMultiplyCpu(1UL, modulus, nPrime);
}