id summary reporter owner description type status priority milestone component resolution keywords cc workpackage 581 min value on flat background should not be zero but -inf richardh richardh "Comparing 4.0 alpha2 fits with some user data in guinier_porod model, I noticed different results. min value of flat background is set 0 instead of -inf, alas our neutron backgrounds can be negative if the model is cranky or users have oversubtracted incoherent etc. I have not got build etc set up at present, perhaps someone else could fix this as this bug seems generic for all models. Richard" defect closed major SasView 4.1.0 SasView fixed SasView Bug Fixing