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Code Issues 33 Projects Packages Wiki Activity Actions

*ScatterDraw: Fixed DataSource problem

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git-svn-id: svn://ultimatepp.org/upp/trunk@11783 f0d560ea-af0d-0410-9eb7-867de7ffcac7
This commit is contained in:
koldo 2018-02-12 16:03:01 +00:00
parent 7c5280d7a4
commit 21e6dd5438
1 changed files with 5 additions and 1 deletions
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6
uppsrc/ScatterDraw/DataSource.cpp
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@ -98,6 +98,8 @@ Pointf DataSource::MaxSubDataImp(Getdatafun getdataY, Getdatafun getdataX, int64
const Vector<double> &coeff = polyFit.GetCoeff();
double b = coeff[1];
double a = coeff[2];
if (IsNull(a) || a < 1E-10)
return Null;
return Pointf(-b/2/a, polyFit.f(-b/2/a));
}
@ -159,7 +161,7 @@ double DataSource::Variance(Getdatafun getdata, double avg) {
count++;
}
}
if (count <= 0)
if (count <= 1)
return Null;
return ret/(count - 1);
}
@ -647,6 +649,8 @@ void DataSource::GetSpectralMoments(Getdatafun getdataY, Getdatafun getdataX, bo
bool DataSource::SameX(DataSource &data) {
int64 num = GetCount();
if (num == 0)
return false;
if (data.GetCount() != num)
return false;
for (int64 i = 0; i < num; ++i) {