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|
--TEST--
Test return type and value for expected input tanh()
--INI--
precision = 14
--FILE--
<?php
/*
* proto float tanh(float number)
* Function is implemented in ext/standard/math.c
*/
$file_path = dirname(__FILE__);
require($file_path."/allowed_rounding_error.inc");
echo "tanh .5 = ";
var_dump(tanh(0.5));
if (allowed_rounding_error(tanh(0.5), 0.46211715726001)) {
echo "Pass\n";
}
else {
echo "Fail\n";
}
echo "tanh -0.5 = ";
var_dump(tanh(-0.5));
if (allowed_rounding_error(tanh(-0.5), -0.46211715726001)) {
echo "Pass\n";
}
else {
echo "Fail\n";
}
echo "tanh 3 = ";
var_dump(tanh(3.0));
if (allowed_rounding_error(tanh(3.0),0.99505475368673 )) {
echo "Pass\n";
}
else {
echo "Fail\n";
}
echo "tanh -3 = ";
var_dump(tanh(-3.0));
if (allowed_rounding_error(tanh(-3.0),-0.99505475368673 )) {
echo "Pass\n";
}
else {
echo "Fail\n";
}
?>
--EXPECTF--
tanh .5 = float(%f)
Pass
tanh -0.5 = float(%f)
Pass
tanh 3 = float(%f)
Pass
tanh -3 = float(%f)
Pass
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