[v638][RF] Ensure RooHistPdf values are positive in `RooHistPdf::doEval()`#21174

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guitargeek merged 2 commits intoroot-project:v6-38-00-patchesfrom

guitargeek:bp_1

Feb 6, 2026

Commits on Feb 6, 2026

[RF] Ensure RooHistPdf values are positive in `RooHistPdf::doEval()`
guitargeek
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[RF] Add test for GitHub issue 21159 about regression in RooFFTConvPdf
guitargeek
committed