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von raredesign | Dez 3, 2019 | Allgemein | 0 Kommentare

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Current File : //proc/self/root/usr/local/src/php72/php-7.2.12/php-7.2.12/ext/standard/tests/math/expm1_basic.phpt

--TEST--
Test expm1() - basic function test for expm1()
--INI--
precision=14
--FILE--
<?php
/* Prototype  : float expm1 ( float $arg  )
 * Description: Returns exp(number) - 1, computed in a way that is accurate even
 *              when the value of number is close to zero.
 * Source code: ext/standard/math.c
 */

echo "*** Testing expm1() : basic functionality ***\n";
$values = array(10,
				10.3,
				3.9505e3,
				037,
				0x5F,
				"10",
				"3950.5",
				"3.9505e3",
				"039",
				true,
				false,
				null,
				);

// loop through each element of $values to check the behaviour of expm1()
$iterator = 1;
foreach($values as $value) {
	echo "\n-- Iteration $iterator --\n";
	var_dump(expm1($value));
	$iterator++;
};
?>
===Done===
--EXPECTF--
*** Testing expm1() : basic functionality ***

-- Iteration 1 --
float(22025.465794807)

-- Iteration 2 --
float(29731.618852891)

-- Iteration 3 --
float(INF)

-- Iteration 4 --
float(29048849665246)

-- Iteration 5 --
float(1.811239082889E+41)

-- Iteration 6 --
float(22025.465794807)

-- Iteration 7 --
float(INF)

-- Iteration 8 --
float(INF)

-- Iteration 9 --
float(8.6593400423994E+16)

-- Iteration 10 --
float(1.718281828459)

-- Iteration 11 --
float(0)

-- Iteration 12 --
float(0)
===Done===

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