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편집 파일: stats_cdf_laplace.phpt

--TEST-- stats_cdf_laplace() --FILE-- <?php // which = 1 : calculate P from (X, MEAN, SD) var_dump(round(stats_cdf_laplace(0, 1, 2, 1), 6)); var_dump(round(stats_cdf_laplace(5, 4, 3, 1), 6)); // which = 2 : calculate X from (P, MEAN, SD) var_dump(round(stats_cdf_laplace(0.30326533, 1, 2, 2), 6)); var_dump(round(stats_cdf_laplace(0.641734344, 4, 3, 2), 6)); // which = 3 : calculate MEAN from (P, X, SD) var_dump(round(stats_cdf_laplace(0.30326533, 0, 2, 3), 6)); var_dump(round(stats_cdf_laplace(0.641734344, 5, 3, 3), 6)); // which = 4 : calculate SD from (P, X, MEAN) var_dump(round(stats_cdf_laplace(0.30326533, 0, 1, 4), 6)); var_dump(round(stats_cdf_laplace(0.641734344, 5, 4, 4), 6)); // error cases var_dump(stats_cdf_laplace(0, 1, 2, 0)); // which < 1 var_dump(stats_cdf_laplace(0, 1, 2, 5)); // which < 4 ?> --EXPECTF-- float(0.303265) float(0.641734) float(0) float(5) float(1) float(4) float(2) float(3) Warning: stats_cdf_laplace(): Fourth parameter should be in the 1..4 range in %s on line %d bool(false) Warning: stats_cdf_laplace(): Fourth parameter should be in the 1..4 range in %s on line %d bool(false)