3 …['complex',false or true],['indices','int32' or 'int64'],['cell',cnt],['precision','float64' or 'f…
25 %  'precision','float32' indicates the PETSc program was built with --with-precision=single
43 precision = 'float64';  variable
53   if ischar(varargin{l}) && strcmpi(varargin{l},'precision')
55     precision = varargin{l+1};  variable
67 if strcmp(precision,'float128')
68   precision = 'float64';  variable
99         s     = read(fd,2*m*n,precision);
104         s   = read(fd,m*n,precision);
116         s   = read(fd,2*nz,precision);
118         s   = read(fd,nz,precision);
141       v = read(fd,2*m,precision);
144       v = read(fd,m,precision);
153     v = read(fd,1,precision);