function i4lib_test46 ( ) %*****************************************************************************80 % %% TEST46 tests I4VEC_MAX_INDEX, I4VEC_MAX_INDEX_LAST and I4VEC_INDEX; % % Licensing: % % This code is distributed under the GNU LGPL license. % % Modified: % % 14 April 2009 % % Author: % % John Burkardt % n = 10; fprintf ( 1, '\n' ); fprintf ( 1, 'TEST46\n' ); fprintf ( 1, ' For an integer vector:\n' ); fprintf ( 1, ' I4VEC_MAX_INDEX: a maximal index;\n' ); fprintf ( 1, ' I4VEC_MAX_INDEX_LAST: last maximal index;\n' ); fprintf ( 1, ' I4VEC_INDEX: first index of given value;\n' ); seed = 123456789; b = -n; c = n; [ a, seed ] = i4vec_uniform_ab ( n, b, c, seed ); i4vec_print ( n, a, ' Input vector:' ); fprintf ( 1, '\n' ); ival = i4vec_max_index ( n, a ); fprintf ( 1, ' Maximum index: %d\n', ival ); ival = i4vec_max_index_last ( n, a ); fprintf ( 1, ' Last maximum index: %d\n', ival ); ival = i4vec_min_index ( n, a ); fprintf ( 1, ' Minimum index: %d\n', ival ); aval = a(floor(n/2)); fprintf ( 1, '\n' ); j = i4vec_index ( n, a, aval ); fprintf ( 1, ' Index of first occurrence of %d is %d\n', aval, j ); aval = aval + 1; j = i4vec_index ( n, a, aval ); fprintf ( 1, ' Index of first occurrence of %d is %d\n', aval, j ); return end