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--TEST--
Test variations in usage of sqrt()
--INI--
precision = 14
--FILE--
<?php
/*
* proto float sqrt(float number)
* Function is implemented in ext/standard/math.c
*/
//Test sqrt with a different input values
echo "*** Testing sqrt() : usage variations ***\n";
$values = array(23,
-23,
2.345e1,
-2.345e1,
0x17,
027,
"23",
"23.45",
"2.345e1",
"nonsense",
"1000",
"1000ABC",
null,
true,
false);
for ($i = 0; $i < count($values); $i++) {
$res = sqrt($values[$i]);
var_dump($res);
}
?>
===Done===
--EXPECTF--
*** Testing sqrt() : usage variations ***
float(4.7958315233127)
float(NAN)
float(4.8425200051213)
float(NAN)
float(4.7958315233127)
float(4.7958315233127)
float(4.7958315233127)
float(4.8425200051213)
float(4.8425200051213)
Warning: sqrt() expects parameter 1 to be double, string given in %s on line %d
NULL
float(31.622776601684)
Notice: A non well formed numeric value encountered in %s on line %d
float(31.622776601684)
float(0)
float(1)
float(0)
===Done===