mlemanczyk/even-perfect-numbers-scanner
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Aggressive inlining added to simple switch methods.

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mlemanczyk committed 2025-11-24 22:54:04 +01:00
1 parent b9ca95bf8c
commit 91894637af
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PerfectNumbers.Core/HeuristicCombinedPrimeTester.cs
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@@ -269,6 +269,7 @@ public sealed class HeuristicCombinedPrimeTester
[MethodImpl(MethodImplOptions.AggressiveInlining)] [MethodImpl(MethodImplOptions.AggressiveInlining)]
internal static ulong ComputeHeuristicDivisorSquareLimit(ulong n) => n; internal static ulong ComputeHeuristicDivisorSquareLimit(ulong n) => n;
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private static ReadOnlySpan<ulong> GetCombinedDivisors(byte nMod10) => nMod10 switch private static ReadOnlySpan<ulong> GetCombinedDivisors(byte nMod10) => nMod10 switch
{ {
1 => CombinedDivisorsEnding1, 1 => CombinedDivisorsEnding1,
@@ -278,6 +279,7 @@ public sealed class HeuristicCombinedPrimeTester
_ => throw new InvalidOperationException($"Unsupported combined divisor selector for digit {nMod10}."), _ => throw new InvalidOperationException($"Unsupported combined divisor selector for digit {nMod10}."),
}; };
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private static ReadOnlySpan<ulong> GetCombinedDivisorSquares(byte nMod10) => nMod10 switch private static ReadOnlySpan<ulong> GetCombinedDivisorSquares(byte nMod10) => nMod10 switch
{ {
1 => CombinedDivisorsEnding1Squares, 1 => CombinedDivisorsEnding1Squares,
@@ -287,6 +289,7 @@ public sealed class HeuristicCombinedPrimeTester
_ => throw new InvalidOperationException($"Unsupported combined divisor square selector for digit {nMod10}."), _ => throw new InvalidOperationException($"Unsupported combined divisor square selector for digit {nMod10}."),
}; };
[MethodImpl(MethodImplOptions.AggressiveInlining)]
internal static ReadOnlySpan<ulong> GetCombinedDivisors(byte nMod10, CombinedDivisorPattern pattern) => pattern switch internal static ReadOnlySpan<ulong> GetCombinedDivisors(byte nMod10, CombinedDivisorPattern pattern) => pattern switch
{ {
CombinedDivisorPattern.TwoAOneB => nMod10 switch CombinedDivisorPattern.TwoAOneB => nMod10 switch
@@ -324,6 +327,7 @@ public sealed class HeuristicCombinedPrimeTester
_ => throw new InvalidOperationException($"Unsupported combined divisor pattern: {pattern}."), _ => throw new InvalidOperationException($"Unsupported combined divisor pattern: {pattern}."),
}; };
[MethodImpl(MethodImplOptions.AggressiveInlining)]
internal static ReadOnlySpan<ulong> GetCombinedDivisorSquares(byte nMod10, CombinedDivisorPattern pattern) => pattern switch internal static ReadOnlySpan<ulong> GetCombinedDivisorSquares(byte nMod10, CombinedDivisorPattern pattern) => pattern switch
{ {
CombinedDivisorPattern.TwoAOneB => nMod10 switch CombinedDivisorPattern.TwoAOneB => nMod10 switch