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172 lines
3.0 KiB
PHP
172 lines
3.0 KiB
PHP
--TEST--
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Testing floatval() and its alias doubleval() Functions
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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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/* Prototype: float floatval( mixed $var );
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* Description: Returns the float value of var.
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*/
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// different valid float values
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$valid_floats = array(
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"0.0" => 0.0,
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"1.0" => 1.0,
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"-1.0" => -1.0,
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"1.234" => 1.234,
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"-1.234" => -1.234,
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"1.2e3" => 1.2e3,
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"-1.2e3" => -1.2e3,
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"10.0000000000000000005" => 10.0000000000000000005,
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"10.5e+5" => 10.5e+5,
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"1e5" => 1e5,
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"-1e5" => -1e5,
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"1e5" => 1e-5,
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"-1e-1" => -1e-1,
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"1e+5" => 1e+5,
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"-1e+5" =>-1e+5,
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"1E5" => 1E5,
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"-1E5" => -1E5,
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"1E+5" => 1E+5,
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"-1E5" => -1E+5,
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".5e+7" => .5e+7,
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"-.5e+7" =>-.5e+7
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);
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/* loop to check that floatval() recognizes different
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float values, expected output:float value for valid floating point number */
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echo "*** Testing floatval() with valid float values ***\n";
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foreach ($valid_floats as $key => $value ) {
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echo "\n-- Iteration : $key -- \n";
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var_dump( floatval($value) );
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}
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/* loop to check that doubleval() also recognizes different
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float values, expected output:float value for valid floating point number */
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echo "\n*** Testing doubleval() with valid float values ***\n";
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foreach ($valid_floats as $key => $value ) {
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echo "\n-- Iteration : $key -- \n";
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var_dump( doubleval($value) );
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}
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?>
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===DONE===
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--EXPECT--
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*** Testing floatval() with valid float values ***
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-- Iteration : 0.0 --
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float(0)
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-- Iteration : 1.0 --
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float(1)
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-- Iteration : -1.0 --
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float(-1)
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-- Iteration : 1.234 --
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float(1.234)
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-- Iteration : -1.234 --
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float(-1.234)
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-- Iteration : 1.2e3 --
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float(1200)
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-- Iteration : -1.2e3 --
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float(-1200)
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-- Iteration : 10.0000000000000000005 --
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float(10)
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-- Iteration : 10.5e+5 --
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float(1050000)
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-- Iteration : 1e5 --
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float(1.0E-5)
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-- Iteration : -1e5 --
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float(-100000)
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-- Iteration : -1e-1 --
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float(-0.1)
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-- Iteration : 1e+5 --
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float(100000)
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-- Iteration : -1e+5 --
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float(-100000)
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-- Iteration : 1E5 --
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float(100000)
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-- Iteration : -1E5 --
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float(-100000)
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-- Iteration : 1E+5 --
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float(100000)
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-- Iteration : .5e+7 --
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float(5000000)
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-- Iteration : -.5e+7 --
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float(-5000000)
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*** Testing doubleval() with valid float values ***
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-- Iteration : 0.0 --
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float(0)
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-- Iteration : 1.0 --
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float(1)
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-- Iteration : -1.0 --
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float(-1)
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-- Iteration : 1.234 --
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float(1.234)
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-- Iteration : -1.234 --
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float(-1.234)
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-- Iteration : 1.2e3 --
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float(1200)
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-- Iteration : -1.2e3 --
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float(-1200)
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-- Iteration : 10.0000000000000000005 --
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float(10)
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-- Iteration : 10.5e+5 --
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float(1050000)
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-- Iteration : 1e5 --
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float(1.0E-5)
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-- Iteration : -1e5 --
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float(-100000)
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-- Iteration : -1e-1 --
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float(-0.1)
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-- Iteration : 1e+5 --
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float(100000)
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-- Iteration : -1e+5 --
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float(-100000)
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-- Iteration : 1E5 --
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float(100000)
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-- Iteration : -1E5 --
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float(-100000)
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-- Iteration : 1E+5 --
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float(100000)
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-- Iteration : .5e+7 --
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float(5000000)
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-- Iteration : -.5e+7 --
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float(-5000000)
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===DONE===
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