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Name cleanup.

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This commit is contained in:
Steve Checkoway
2006-12-28 03:01:13 +00:00
parent f7e7bea9a8
commit f3fcf9c083
2 changed files with 9 additions and 9 deletions
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stepmania/src/RageUtil.cpp
+8 -8
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@@ -1000,7 +1000,7 @@ float calc_stddev( const float *pStart, const float *pEnd, bool bSample )
}
bool CalcLeastSquares( const vector< pair<float, float> > &vCoordinates,
float &pfSlope, float &pfIntercept, float &pfError )
float &fSlope, float &fIntercept, float &fError )
{
if( vCoordinates.empty() )
return false;
@@ -1013,17 +1013,17 @@ bool CalcLeastSquares( const vector< pair<float, float> > &vCoordinates,
fSumY += vCoordinates[i].second;
}
const float fDenominator = vCoordinates.size() * fSumXX - fSumX * fSumX;
pfSlope = (vCoordinates.size() * fSumXY - fSumX * fSumY) / fDenominator;
pfIntercept = (fSumXX * fSumY - fSumX * fSumXY) / fDenominator;
fSlope = (vCoordinates.size() * fSumXY - fSumX * fSumY) / fDenominator;
fIntercept = (fSumXX * fSumY - fSumX * fSumXY) / fDenominator;
pfError = 0.0f;
fError = 0.0f;
for( unsigned i = 0; i < vCoordinates.size(); ++i )
{
const float fOneError = pfIntercept + pfSlope * vCoordinates[i].first - vCoordinates[i].second;
pfError += fOneError * fOneError;
const float fOneError = fIntercept + fSlope * vCoordinates[i].first - vCoordinates[i].second;
fError += fOneError * fOneError;
}
pfError /= vCoordinates.size();
pfError = sqrtf( pfError );
fError /= vCoordinates.size();
fError = sqrtf( fError );
return true;
}