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function fn_fprintmatrix(fid, M, nrows, ncols, indxFloat)
% Prints the matrix to an ascii file indexed by fid.
%
% Inputs:
% fid: Ascii file id. Example: fid = fopen('outdatainp_3s_stv_tvms6lags.prn','a');
% M: The matrix to be written to the file.
% nrows: Number of rows of M.
% ncols: Number of columns of M.
% indxFloat: 1 if double;
% 2 if single;
% 3 if only 3 significant digits
% 0 if integer.
%
% Copyright (C) 1997-2012 Tao Zha
%
% This free software: you can redistribute it and/or modify
% it under the terms of the GNU General Public License as published by
% the Free Software Foundation, either version 3 of the License, or
% (at your option) any later version.
%
% It is distributed in the hope that it will be useful,
% but WITHOUT ANY WARRANTY; without even the implied warranty of
% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
% GNU General Public License for more details.
%
% If you did not received a copy of the GNU General Public License
% with this software, see <http://www.gnu.org/licenses/>.
%
%
if nrows~=size(M,1)
error('fn_fprintmatrix(): Make sure the row number supplied match that of the matrix');
end
if ncols~=size(M,2)
error('fn_fprintmatrix(): Make sure the column number supplied match that of the matrix');
end
for ki=1:nrows
for kj=1:ncols
if (indxFloat == 1)
fprintf(fid,' %.16e ',M((kj-1)*nrows+ki));
elseif (indxFloat == 2)
fprintf(fid,' %.8e ',M((kj-1)*nrows+ki));
elseif (indxFloat == 3)
fprintf(fid,' %.3e ',M((kj-1)*nrows+ki));
else
fprintf(fid,' %d ',M((kj-1)*nrows+ki));
end
if (kj==ncols)
fprintf(fid,'\n');
end
end
if (ki==nrows)
fprintf(fid,'\n\n');
end
end
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