function seed = get_seed ( ) %*****************************************************************************80 % %% GET_SEED returns a random seed for the random number generator. % % Licensing: % % This code is distributed under the GNU LGPL license. % % Modified: % % 16 November 2004 % % Author: % % John Burkardt % % Parameters: % % Output, integer SEED, a random seed value. % time_array = clock; hour = time_array(4); minute = time_array(5); second = time_array(6); seed = second + 60 * ( minute + 60 * hour ); % % We want values in [1,43200], not [0,43199]. % seed = seed + 1; % % Remap SEED from [1,43200] to [1,I_MAX]. % i4_huge = 2147483647; seed = i4_huge * ( seed / ( 60.0 * 60.0 * 24.0 ) ); seed = floor ( seed ); % % Never use a seed of 0. % if ( seed == 0 ) seed = 1; end return end