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70 lines
1 KiB
PHP
70 lines
1 KiB
PHP
--TEST--
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Test log1p() - basic function test log1p()
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--INI--
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precision=14
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--FILE--
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<?php
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echo "*** Testing log1p() : basic functionality ***\n";
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$values = array(23,
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-23,
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2.345e1,
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-2.345e1,
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0x17,
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027,
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"23",
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"23.45",
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"2.345e1",
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null,
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true,
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false);
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echo "\n LOG1p tests\n";
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foreach($values as $value) {
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echo "\n-- log1p $value --\n";
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var_dump(log1p($value));
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};
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?>
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--EXPECT--
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*** Testing log1p() : basic functionality ***
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LOG1p tests
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-- log1p 23 --
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float(3.1780538303479458)
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-- log1p -23 --
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float(NAN)
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-- log1p 23.45 --
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float(3.196630215920881)
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-- log1p -23.45 --
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float(NAN)
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-- log1p 23 --
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float(3.1780538303479458)
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-- log1p 23 --
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float(3.1780538303479458)
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-- log1p 23 --
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float(3.1780538303479458)
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-- log1p 23.45 --
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float(3.196630215920881)
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-- log1p 2.345e1 --
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float(3.196630215920881)
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-- log1p --
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float(0)
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-- log1p 1 --
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float(0.6931471805599453)
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-- log1p --
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float(0)
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