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MCOL-3837 Optimize the regr_sxx, sxy and syy code a bit

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This commit is contained in:
David Hall
2020-02-25 14:26:28 -06:00
parent dbf88575f0
commit d66972d09b
3 changed files with 7 additions and 18 deletions
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9
utils/regr/regr_sxy.cpp
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@ -142,15 +142,10 @@ mcsv1_UDAF::ReturnCode regr_sxy::subEvaluate(mcsv1Context* context, const UserDa
mcsv1_UDAF::ReturnCode regr_sxy::evaluate(mcsv1Context* context, static_any::any& valOut)
{
struct regr_sxy_data* data = (struct regr_sxy_data*)context->getUserData()->data;
double N = data->cnt;
long double N = data->cnt;
if (N > 0)
{
long double sumx = data->sumx;
long double sumy = data->sumy;
long double sumxy = data->sumxy;
long double covar_pop = (sumxy - ((sumx * sumy) / N)) / N;
long double regr_sxy = data->cnt * covar_pop;
long double regr_sxy = (data->sumxy - ((data->sumx * data->sumy) / N));
valOut = static_cast<double>(regr_sxy);
}
return mcsv1_UDAF::SUCCESS;