35 lines
1.4 KiB
Matlab
35 lines
1.4 KiB
Matlab
function result = invert(data)
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% Inverts the binary input-string so that 0 becomes 1 and 1 becomes 0.
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%
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%result = invert(data)
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%--------------------------------------------------------------------------
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% SoftGNSS v3.0
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%
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% Written by Darius Plausinaitis, Kristin Larson and Dennis M. Akos
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%--------------------------------------------------------------------------
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%This program is free software; you can redistribute it and/or
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%modify it under the terms of the GNU General Public License
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%as published by the Free Software Foundation; either version 2
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%of the License, or (at your option) any later version.
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%
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%This program is distributed in the hope that it will be useful,
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%but WITHOUT ANY WARRANTY; without even the implied warranty of
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%MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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%GNU General Public License for more details.
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%
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%You should have received a copy of the GNU General Public License
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%along with this program; if not, write to the Free Software
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%Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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%USA.
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%--------------------------------------------------------------------------
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% CVS record:
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% $Id: invert.m,v 1.1.2.4 2006/08/14 11:38:22 dpl Exp $
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dataLength = length(data);
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temp(1:dataLength) = '1';
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invertMask = bin2dec(char(temp));
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result = dec2bin(bitxor(bin2dec(data), invertMask), dataLength); |