function [p,feasible,vol_reduction] = domain_reduction(p,upper,lower,lpsolver,xmin); % This is just too expensive LU = [p.lb p.ub]; t1 = p.binary_variables; t2 = p.integer_variables; p.binary_variables = []; p.integer_variables = []; if ~p.options.bmibnb.lpreduce | ((size(p.lpcuts,1)==0) & (any(p.lb(p.linears)<-1e8) & any(p.ub(p.linears)>1e8))) vol_reduction = 1; p.feasible = 1; p.lb(p.integer_variables) = ceil(p.lb(p.integer_variables)-1e-7); p.ub(p.integer_variables) = floor(p.ub(p.integer_variables)+1e-7); p.lb(p.binary_variables) = ceil(p.lb(p.binary_variables)-1e-7); p.ub(p.binary_variables) = floor(p.ub(p.binary_variables)+1e-7); else [p,p.feasible] = boxreduce(p,upper,lower,lpsolver,p.options,xmin); end p.binary_variables = t1; p.integer_variables = t2; if ~isequal(LU,[p.lb p.ub]) p.changedbounds = 1; end