--TEST--
stats_cdf_beta()
--FILE--
<?php
// which = 1 : calculate P from (X, A, B)
var_dump(round(stats_cdf_beta(0.5, 2, 4, 1), 6));
// which = 2 : calculate X from (P, A, B)
var_dump(round(stats_cdf_beta(0.8125, 2, 4, 2), 6));
// which = 3 : calculate A from (P, X, B)
var_dump(round(stats_cdf_beta(0.8125, 0.5, 4, 3), 6));
// which = 4 : calculate B from (P, X, A)
var_dump(round(stats_cdf_beta(0.8125, 0.5, 2, 4), 6));
// error cases
var_dump(stats_cdf_beta(0.5, 2, 4, 0)); // which < 1
var_dump(stats_cdf_beta(0.5, 2, 4, 5)); // which > 4
var_dump(stats_cdf_beta(-0.1, 2, 4, 2)); // P < 0
var_dump(stats_cdf_beta(1.1, 2, 4, 2)); // P > 1
var_dump(stats_cdf_beta(-0.1, 2, 4, 1)); // X < 0
var_dump(stats_cdf_beta(1.1, 2, 4, 1)); // X > 1
var_dump(stats_cdf_beta(0.5, -0.1, 4, 1)); // A < 0
var_dump(stats_cdf_beta(0.5, 0, 4, 1)); // A == 0
var_dump(stats_cdf_beta(0.5, 2, -0.1, 1)); // B < 0
var_dump(stats_cdf_beta(0.5, 2, 0, 1)); // B == 0
?>
--EXPECTF--
float(0.8125)
float(0.5)
float(2)
float(4)
Warning: stats_cdf_beta(): Fourth parameter should be in the 1..4 range in %s on line %d
bool(false)
Warning: stats_cdf_beta(): Fourth parameter should be in the 1..4 range in %s on line %d
bool(false)
Warning: stats_cdf_beta(): Computation Error in %s on line %d
bool(false)
Warning: stats_cdf_beta(): Computation Error in %s on line %d
bool(false)
Warning: stats_cdf_beta(): Computation Error in %s on line %d
bool(false)
Warning: stats_cdf_beta(): Computation Error in %s on line %d
bool(false)
Warning: stats_cdf_beta(): Computation Error in %s on line %d
bool(false)
Warning: stats_cdf_beta(): Computation Error in %s on line %d
bool(false)
Warning: stats_cdf_beta(): Computation Error in %s on line %d
bool(false)
Warning: stats_cdf_beta(): Computation Error in %s on line %d
bool(false)