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function [sim_param_output, sim_state_output] = ReadScenario( varargin );
% ReadScenario reads simulation parameters from a list of scenario files and the simulation
% results from the corresponding stored data files
%
% The calling syntax is:
% [sim_param, sim_state] = ReadScenario( scenario_filename, cases [, ...] )
%
% sim_param = A structure containing simulation parameters.
% sim_state = A structure containing the simulation state.
% Note: See readme.txt for a description of the structure formats.
%
% scenario_filename = the name of the file containing an array of sim_param structures.
% cases = a list of the array indices to read. Set to 'all' to read all the
% scenarios in the file.
%
% Note: Multiple scenario files can be specified. In this case, the argument list
% should contain each scenario file to be used followed by the list of array indices
% to read from that file.
%
% Example:
% [sim_param, sim_state] = ReadScenario( 'Scenario1', [1 2 5], 'Scenario2', [1 4 6] );
%
% Copyright (C) 2006, Matthew C. Valenti
%
% Last updated on Oct. 12, 2007
%
% Function ReadScenario is part of the Iterative Solutions Coded Modulation
% Library (ISCML).
%
% The Iterative Solutions Coded Modulation Library is free software;
% you can redistribute it and/or modify it under the terms of
% the GNU Lesser General Public License as published by the
% Free Software Foundation; either version 2.1 of the License,
% or (at your option) any later version.
%
% This library 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
% Lesser General Public License for more details.
%
% You should have received a copy of the GNU Lesser General Public
% License along with this library; if not, write to the Free Software
% Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
number_of_files = nargin/2;
if (floor(number_of_files) ~= number_of_files)
% odd number of arguments is a signal to not reset
% used when plotting
dont_reset = 1;
else
dont_reset = 0;
end
% loop over each Scenario file
offset = 0;
for file=1:number_of_files
scenario_filename = varargin{file*2-1};
cases = varargin{file*2};
% clear, then initialize sim_param and sim_state structures
clear sim_param sim_state
% load the scenario file
eval( scenario_filename );
% set cases to 'all' to read all parameters
if isstr(cases)
sim_param = sim_param;
cases=1:length(sim_param);
else
sim_param = sim_param( cases );
end
% load/initialize each scenario
num_cases = length( cases );
for (case_number=1:num_cases)
fprintf( strcat( 'Initializing case (%d):\t', sim_param(case_number).comment, '\n' ), cases( case_number ) );
if ( ( strcmpi( sim_param(case_number).sim_type, 'throughput' ) )|...
( strcmpi( sim_param(case_number).sim_type, 'bwcapacity' ) ) | ...
( strcmpi( sim_param(case_number).sim_type, 'minSNRvsB' ) ) )
sim_param(case_number).reset = 1;
end
if dont_reset
sim_param(case_number).reset = 0;
end
[sim_param_out(case_number), sim_state(case_number)] = SingleRead( sim_param(case_number) );
end
sim_param_output(offset+1:offset+num_cases) = sim_param_out(1:num_cases);
sim_state_output(offset+1:offset+num_cases) = sim_state(1:num_cases);
offset = offset + num_cases;
end
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