Updated butcher_comparison_results.txt file with fresh results (after fixing F90 tests).
Updated butcher_comparison_results.txt file with fresh results (after fixing F90 tests).

liuqx315/Sundials,liuqx315/Sundials,liuqx315/Sundials,liuqx315/Sundials,liuqx315/Sundials,liuqx315/Sundials