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[CodeFactor] Apply fixes to commit 4a01f03

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codefactor-io
2026-03-11 03:35:12 +00:00
parent 4a01f03cb4
commit 567fa89465
63 changed files with 293 additions and 302 deletions
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lib/statistics/kurtosis/Kurtosis.cs
+15 -15
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@@ -150,7 +150,7 @@ public sealed class Kurtosis : AbstractBase
// Second central moment (variance): m₂ = Σ(x-μ)²/n
// = (SumSq - Sum²/n) / n
double m2Numerator = _sumSq - (_sum * _sum) / n;
double m2Numerator = _sumSq - ((_sum * _sum) / n);
if (m2Numerator < Epsilon)
{
m2Numerator = 0;
@@ -165,10 +165,10 @@ public sealed class Kurtosis : AbstractBase
// m₄ = SumQu/n - 4·mean·SumCu/n + 6·mean²·SumSq/n - 3·mean⁴
// Note: last term -4·mean³·Sum/n + mean⁴ = -4·mean⁴ + mean⁴ = -3·mean⁴
double meanSq = mean * mean;
double m4 = _sumQu / n
- 4.0 * mean * _sumCu / n
+ 6.0 * meanSq * _sumSq / n
- 3.0 * meanSq * meanSq;
double m4 = (_sumQu / n)
- (4.0 * mean * _sumCu / n)
+ (6.0 * meanSq * _sumSq / n)
- (3.0 * meanSq * meanSq);
// Population excess kurtosis: g₂ = m₄/m₂² - 3
double g2 = (m4 / (m2 * m2)) - 3.0;
@@ -184,7 +184,7 @@ public sealed class Kurtosis : AbstractBase
double denom = (n - 2.0) * (n - 3.0);
if (Math.Abs(denom) > Epsilon)
{
kurtosis = ((n - 1.0) / denom) * ((n + 1.0) * g2 + 6.0);
kurtosis = ((n - 1.0) / denom) * (((n + 1.0) * g2) + 6.0);
}
}
}
@@ -327,7 +327,7 @@ public sealed class Kurtosis : AbstractBase
{
double mean = sum / n;
double m2Numerator = sumSq - (sum * sum) / n;
double m2Numerator = sumSq - ((sum * sum) / n);
if (m2Numerator < Epsilon)
{
return 0;
@@ -342,10 +342,10 @@ public sealed class Kurtosis : AbstractBase
// Fourth central moment via raw moments
double meanSq = mean * mean;
double m4 = sumQu / n
- 4.0 * mean * sumCu / n
+ 6.0 * meanSq * sumSq / n
- 3.0 * meanSq * meanSq;
double m4 = (sumQu / n)
- (4.0 * mean * sumCu / n)
+ (6.0 * meanSq * sumSq / n)
- (3.0 * meanSq * meanSq);
double g2 = (m4 / (m2 * m2)) - 3.0;
@@ -361,7 +361,7 @@ public sealed class Kurtosis : AbstractBase
return 0;
}
return ((n - 1.0) / denom) * ((n + 1.0) * g2 + 6.0);
return ((n - 1.0) / denom) * (((n + 1.0) * g2) + 6.0);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
@@ -415,8 +415,8 @@ public sealed class Kurtosis : AbstractBase
double oldSq = oldVal * oldVal;
sum = sum - oldVal + val;
sumSq = sumSq - oldSq + valSq;
sumCu = sumCu - oldSq * oldVal + valSq * val;
sumQu = sumQu - oldSq * oldSq + valSq * valSq;
sumCu = sumCu - (oldSq * oldVal) + (valSq * val);
sumQu = sumQu - (oldSq * oldSq) + (valSq * valSq);
output[i] = CalculateKurtosisFromSums(sum, sumSq, sumCu, sumQu, period, isPopulation);
@@ -507,7 +507,7 @@ public sealed class Kurtosis : AbstractBase
var vFisherNp1 = Vector256.Create(isPopulation ? 1.0 : fisherNp1);
var vFisherAdd = Vector256.Create(fisherAdd);
int simdEnd = period + ((len - period) / VectorWidth) * VectorWidth;
int simdEnd = period + (((len - period) / VectorWidth) * VectorWidth);
int tickCount = period;
for (int i = period; i < simdEnd; i += VectorWidth)