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solve edge case

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dennisarfan 2025-08-01 09:51:39 +07:00
parent 741d34a5e0
commit 0472bfe58e
15 changed files with 685 additions and 47 deletions
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49
Domain/Utils.cs
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@ -9,7 +9,7 @@ namespace StitchATon2.Domain;
public static class Utils
{
[Pure]
public static string GetSBSNotation(int row)
public static string GetSBSNotationRow(int row)
=> row <= 26
? new string([(char)(row + 'A' - 1)])
: new string(['A', (char)(row + 'A' - 27)]);
@ -70,7 +70,54 @@ public static class Utils
resultSpan[i] = Vector.Add(resultSpan[i], vectorOffset);
resultSpan[i] = Vector.ClampNative(resultSpan[i], vectorMin, vectorMax);
}
var negative = float.Ceiling(scaleFactor);
return result;
}
public static (IBuffer<int>, IBuffer<int>) DoubleBoundsMatrix(float scaleFactor, int length, int max, int offset)
{
var vectorSize = DivCeil(length, Vector<float>.Count);
using var startBuffer = MemoryAllocator.Allocate<Vector<float>>(vectorSize);
using var endBuffer = MemoryAllocator.Allocate<Vector<float>>(vectorSize);
var startSpan = startBuffer.Span;
var endSpan = endBuffer.Span;
var vectorMin = Vector<int>.Zero;
var vectorOne = Vector<int>.One;
var vectorMax = Vector.Create(max);
var vectorScale = Vector.Create(scaleFactor);
var vectorOffset = new Vector<int>(offset - 1);
for (int i = 0, seq = 0; i < vectorSize; i++, seq += Vector<float>.Count)
{
startSpan[i] = Vector.CreateSequence(seq, 1f);
startSpan[i] = Vector.Multiply(startSpan[i], vectorScale);
endSpan[i] = Vector.Add(vectorScale, startSpan[i]);
endSpan[i] = Vector.Ceiling(endSpan[i]);
}
var resultStart = MemoryAllocator.Allocate<int>(vectorSize * Vector<int>.Count);
var resultEnd = MemoryAllocator.Allocate<int>(vectorSize * Vector<int>.Count);
var resultStartSpan = MemoryMarshal.Cast<int, Vector<int>>(resultStart.Span);
var resultEndSpan = MemoryMarshal.Cast<int, Vector<int>>(resultEnd.Span);
for (var i = 0; i < vectorSize; i++)
{
resultStartSpan[i] = Vector.ConvertToInt32(startSpan[i]);
resultStartSpan[i] = Vector.Subtract(resultStartSpan[i], vectorOne);
resultStartSpan[i] = Vector.Add(resultStartSpan[i], vectorOffset);
resultStartSpan[i] = Vector.Clamp(resultStartSpan[i], vectorMin, vectorMax);
resultEndSpan[i] = Vector.ConvertToInt32(endSpan[i]);
resultEndSpan[i] = Vector.Subtract(resultEndSpan[i], vectorOne);
resultEndSpan[i] = Vector.Add(resultEndSpan[i], vectorOffset);
resultEndSpan[i] = Vector.Clamp(resultEndSpan[i], vectorMin, vectorMax);
}
return (resultStart, resultEnd);
}
}