You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: detset.m
    path of file: ./repos/YALMIP/extras
    
    the code of the file until where you have to start completion: function F = detset(t,P)
%DETSET Internal function used in construction of MAXDET formulations
%
% F = detset(t,P) creates the model t <= det(P)^(1/(2^ceil(log2(length(P)))))

    
function F = detset(t,P)
%DETSET Internal function used in construction of MAXDET formulations
%
% F = detset(t,P) creates the model t <= det(P)^(1/(2^ceil(log2(length(P)))))

[n,m]=size(P);

if max(n,m)==1
    F = (P>=0) + (t<=P);
else
    if min(n,m)==1
        % Vector version (copy and pasted from below)
        p = 2^ceil(log2(max(n,m)));
        x = [P(:);ones(p-max(n,m),1)];
        F = ([]);
    else
        % This code should never run!! (Taken care of in geomean.m)
        % Is P square?
        if n~=m
            error('P has to be square in the constraint t<det(P)^1/n')
        end