fiff_write_complex_matrix.m
2cb18aae5832master

fiff_write_complex_matrix.m
View Options

			function fiff_write_complex_matrix(fid,kind,mat)
			%
			% fiff_write_complex_matrix(fid,kind,mat)
			%
			% Writes a single-precision complex matrix tag
			%
			% fid An open fif file descriptor
			% kind The tag kind
			% mat The data matrix
			%

			%
			%
			% Author : Matti Hamalainen, MGH Martinos Center
			% License : BSD 3-clause
			%
			% Revision 1.1 2006/09/23 14:43:56 msh
			% Added routines for writing complex and double complex matrices.
			% Added routine for writing double-precision real matrix.
			%
			%

			me='MNE:fiff_write_complex_matrix';

			if nargin ~= 3
			error(me,'Incorrect number of arguments');
			end

			FIFFT_COMPLEX_FLOAT = 20;
			FIFFT_MATRIX = bitshift(1,30);
			FIFFT_MATRIX_COMPLEX = bitor(FIFFT_COMPLEX_FLOAT,FIFFT_MATRIX);
			FIFFV_NEXT_SEQ=0;

			datasize = 24numel(mat) + 4*3;

			count = fwrite(fid,int32(kind),'int32');
			if count ~= 1
			error(me,'write failed');
			end
			count = fwrite(fid,int32(FIFFT_MATRIX_COMPLEX),'int32');
			if count ~= 1
			error(me,'write failed');
			end
			count = fwrite(fid,int32(datasize),'int32');
			if count ~= 1
			error(me,'write failed');
			end
			count = fwrite(fid,int32(FIFFV_NEXT_SEQ),'int32');
			if count ~= 1
			error(me,'write failed');
			end
			nrow = size(mat,1);
			ncol = size(mat,2);
			for j = 1:nrow
			for k = 1:ncol
			count = fwrite(fid,real(mat(j,k)),'single');
			if count ~= 1
			error(me,'write failed');
			end
			count = fwrite(fid,imag(mat(j,k)),'single');
			if count ~= 1
			error(me,'write failed');
			end
			end
			end
			dims(1) = size(mat,2);
			dims(2) = size(mat,1);
			dims(3) = 2;
			count = fwrite(fid,int32(dims),'int32');
			if count ~= 3
			error(me,'write failed');
			end

			return;