--TEST--
stats_cdf_noncentral_chisquare()
--FILE--
<?php
// which = 1 : calculate P from (X, DF, PNONC)
var_dump(round(stats_cdf_noncentral_chisquare(4, 2, 3, 1), 6));
// which = 2 : calculate X from (P, DF, PNONC)
var_dump(round(stats_cdf_noncentral_chisquare(0.493562417, 2, 3, 2), 6));
// which = 3 : calculate DF from (P, X, PNONC)
var_dump(round(stats_cdf_noncentral_chisquare(0.493562417, 4, 3, 3), 6));
// which = 4 : calculate PNONC from (P, X, DF)
var_dump(round(stats_cdf_noncentral_chisquare(0.493562417, 4, 2, 4), 6));
// error cases
var_dump(stats_cdf_noncentral_chisquare(4, 2, 3, 0)); // which < 1
var_dump(stats_cdf_noncentral_chisquare(4, 2, 3, 5)); // which > 4
var_dump(stats_cdf_noncentral_chisquare(-0.1, 2, 3, 2)); // P < 0
var_dump(stats_cdf_noncentral_chisquare(1.1, 2, 3, 2)); // P > 1
var_dump(stats_cdf_noncentral_chisquare(-0.1, 2, 3, 1)); // X < 0
var_dump(stats_cdf_noncentral_chisquare(4, -0.1, 3, 1)); // DF < 0
var_dump(stats_cdf_noncentral_chisquare(4, 0, 3, 1)); // DF == 0
var_dump(stats_cdf_noncentral_chisquare(4, 2, -0.1, 1)); // PNONC < 0
?>
--EXPECTF--
float(0.493562)
float(4)
float(2)
float(3)
Warning: stats_cdf_noncentral_chisquare(): Fourth parameter should be in the 1..4 range in %s on line %d
bool(false)
Warning: stats_cdf_noncentral_chisquare(): Fourth parameter should be in the 1..4 range in %s on line %d
bool(false)
Warning: stats_cdf_noncentral_chisquare(): Computation Error in cdfchn in %s on line %d
bool(false)
Warning: stats_cdf_noncentral_chisquare(): Computation Error in cdfchn in %s on line %d
bool(false)
Warning: stats_cdf_noncentral_chisquare(): Computation Error in cdfchn in %s on line %d
bool(false)
Warning: stats_cdf_noncentral_chisquare(): Computation Error in cdfchn in %s on line %d
bool(false)
Warning: stats_cdf_noncentral_chisquare(): Computation Error in cdfchn in %s on line %d
bool(false)
Warning: stats_cdf_noncentral_chisquare(): Computation Error in cdfchn in %s on line %d
bool(false)