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MCOL-1983 Use long double for internal calculations of regr_*** functions.

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This commit is contained in:
David Hall
2019-01-21 14:39:51 -06:00
parent eb75d3cd7e
commit 16a6a0a27c
11 changed files with 100 additions and 100 deletions
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16
utils/regr/covar_samp.cpp
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@ -39,9 +39,9 @@ static Add_covar_samp_ToUDAFMap addToMap;
struct covar_samp_data
{
uint64_t cnt;
double sumx;
double sumy;
double sumxy; // sum of x * y
long double sumx;
long double sumy;
long double sumxy; // sum of x * y
};
@ -145,12 +145,12 @@ mcsv1_UDAF::ReturnCode covar_samp::evaluate(mcsv1Context* context, static_any::a
double N = data->cnt;
if (N > 1)
{
double sumx = data->sumx;
double sumy = data->sumy;
double sumxy = data->sumxy;
long double sumx = data->sumx;
long double sumy = data->sumy;
long double sumxy = data->sumxy;
double covar_samp = (sumxy - ((sumx * sumy) / N)) / (N - 1);
valOut = covar_samp;
long double covar_samp = (sumxy - ((sumx * sumy) / N)) / (N - 1);
valOut = static_cast<double>(covar_samp);
}
else
if (N == 1)