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57 lines
894 B
PHP
57 lines
894 B
PHP
--TEST--
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Test variations in usage of atan()
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--INI--
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precision = 10
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--FILE--
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<?php
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/*
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* proto float atan(float number)
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* Function is implemented in ext/standard/math.c
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*/
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//Test atan with a different input values
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$values = array(23,
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-23,
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2.345e1,
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-2.345e1,
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0x17,
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027,
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"23",
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"23.45",
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"2.345e1",
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"nonsense",
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"1000",
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"1000ABC",
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null,
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true,
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false);
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for ($i = 0; $i < count($values); $i++) {
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$res = atan($values[$i]);
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var_dump($res);
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}
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?>
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--EXPECTF--
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float(1.527345431)
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float(-1.527345431)
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float(1.528178225)
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float(-1.528178225)
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float(1.527345431)
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float(1.527345431)
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float(1.527345431)
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float(1.528178225)
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float(1.528178225)
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Warning: atan() expects parameter 1 to be double, string given in %s on line %d
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NULL
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float(1.569796327)
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Notice: A non well formed numeric value encountered in %s on line %d
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float(1.569796327)
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float(0)
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float(0.7853981634)
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float(0)
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