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