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[CodeFactor] Apply fixes to commit 9697fac

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codefactor-io
2026-03-14 05:03:08 +00:00
parent 9697facfb4
commit e35ff7fa3f
164 changed files with 458 additions and 530 deletions
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lib/statistics/linreg/LinReg.cs
+11 -12
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@@ -94,10 +94,10 @@ public sealed class LinReg : AbstractBase
_sum_x = 0.5 * period * (period - 1);
// sum_x2 = 0^2 + ... + (n-1)^2 = (n-1)n(2n-1)/6
double sum_x2 = (period - 1.0) * period * (2.0 * period - 1.0) / 6.0;
double sum_x2 = (period - 1.0) * period * ((2.0 * period) - 1.0) / 6.0;
// denominator = n * sum_x2 - sum_x^2
_denominator = period * sum_x2 - _sum_x * _sum_x;
_denominator = (period * sum_x2) - (_sum_x * _sum_x);
}
public LinReg(ITValuePublisher source, int period, int offset = 0) : this(period, offset)
@@ -130,7 +130,7 @@ public sealed class LinReg : AbstractBase
// O(1) update for sum_xy with Kahan compensation
// sum_xy_new = sum_xy_old + sum_y_prev - n * oldest
{
double delta = prev_sum_y - _period * oldest;
double delta = prev_sum_y - (_period * oldest);
double y = delta - _state.SumXYComp;
double t = _state.SumXY + y;
_state.SumXYComp = (t - _state.SumXY) - y;
@@ -148,7 +148,7 @@ public sealed class LinReg : AbstractBase
// O(1) update for sum_y2 with Kahan: subtract oldest², add val²
{
double delta = val * val - oldest * oldest;
double delta = (val * val) - (oldest * oldest);
double y = delta - _state.SumY2Comp;
double t = _state.SumY2 + y;
_state.SumY2Comp = (t - _state.SumY2) - y;
@@ -235,8 +235,8 @@ public sealed class LinReg : AbstractBase
if (!_buffer.IsFull)
{
sx = 0.5 * n * (n - 1);
double sx2 = (n - 1.0) * n * (2.0 * n - 1.0) / 6.0;
denom = n * sx2 - sx * sx;
double sx2 = (n - 1.0) * n * ((2.0 * n) - 1.0) / 6.0;
denom = (n * sx2) - (sx * sx);
}
if (Math.Abs(denom) < MinDenominator)
@@ -379,7 +379,6 @@ public sealed class LinReg : AbstractBase
try
{
double sum_y = 0;
double sum_xy = 0;
double sumYComp = 0; // Kahan compensation for sum_y
@@ -389,8 +388,8 @@ public sealed class LinReg : AbstractBase
int count = 0;
double full_sum_x = 0.5 * period * (period - 1);
double full_sum_x2 = (period - 1.0) * period * (2.0 * period - 1.0) / 6.0;
double full_denom = period * full_sum_x2 - full_sum_x * full_sum_x;
double full_sum_x2 = (period - 1.0) * period * ((2.0 * period) - 1.0) / 6.0;
double full_denom = (period * full_sum_x2) - (full_sum_x * full_sum_x);
for (int i = 0; i < len; i++)
{
@@ -424,8 +423,8 @@ public sealed class LinReg : AbstractBase
{
double n = count;
double sx = 0.5 * n * (n - 1);
double sx2 = (n - 1.0) * n * (2.0 * n - 1.0) / 6.0;
double denom = n * sx2 - sx * sx;
double sx2 = (n - 1.0) * n * ((2.0 * n) - 1.0) / 6.0;
double denom = (n * sx2) - (sx * sx);
if (Math.Abs(denom) < MinDenominator)
{
@@ -454,7 +453,7 @@ public sealed class LinReg : AbstractBase
// Kahan compensated update for sum_xy
{
double delta = prev_sum_y - period * oldest;
double delta = prev_sum_y - (period * oldest);
double y = delta - sumXYComp;
double t = sum_xy + y;
sumXYComp = (t - sum_xy) - y;