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JetCalibTools: fix overflow/underflow in JMSCorrection

Bertrand Martin Dit Latour requested to merge martindl/athena:JetCalibToolsFix into main

Hello,

This MR is fixing the treatment of underflows and overflows in JMSCorrection, and out-of-range interpolations. The problem was reported in ATEAM-955. Somehow in the trigger, it happens that we pass pT_uncorr=pTMax to getMassCorr. In that case, if ( pT_uncorr > pTMax ) pT_uncorr = pTMax-1e-6 ; does nothing, and m_respFactorsMass[etabin]->Interpolate( pT_uncorr, mass_uncorr ); complains that we're out of the validity range. So I changed > to >= and < to <=.

Cheers, Bertrand

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