Laplace approx returns nan if hessian not psd
Laplace approx returns nan if hessian not psd

codeaudit/gp-structure-search,jamesrobertlloyd/gp-structure-search,jamesrobertlloyd/gp-structure-search,codeaudit/gp-structure-search,codeaudit/gp-structure-search,ekamioka/gp-structure-search,ekamioka/gp-structure-search,ekamioka/gp-structure-search,jamesrobertlloyd/gp-structure-search,jamesrobertlloyd/gp-structure-search,ekamioka/gp-structure-search,codeaudit/gp-structure-search,jamesrobertlloyd/gp-structure-search,codeaudit/gp-structure-search,ekamioka/gp-structure-search