73 lines
1.5 KiB
PHP
73 lines
1.5 KiB
PHP
<?php
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// $Id$
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// Example of how to use of BigInteger. The output can be compared to the output that the BCMath functions would yield.
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// bcpowmod is included with Math_BigInteger.php via PHP_Compat.
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require(__DIR__.'/../vendor/autoload.php');
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$x = mt_rand(1,10000000);
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$y = mt_rand(1,10000000);
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$z = mt_rand(1,10000000);
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$_x = new Math_BigInteger($x);
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$_y = new Math_BigInteger($y);
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$_z = new Math_BigInteger($z);
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echo "\$x = $x;\r\n";
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echo "\$y = $y;\r\n";
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echo "\$z = $z;\r\n";
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echo "\r\n";
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$result = bcadd($x,$y);
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$_result = $_x->add($_y);
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echo "\$result = \$x+\$y;\r\n";
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echo "$result\r\n";
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echo $_result->toString();
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echo "\r\n\r\n";
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$result = bcsub($result,$y);
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$_result = $_result->subtract($_y);
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echo "\$result = \$result-\$y;\r\n";
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echo "$result\r\n";
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echo $_result->toString();
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echo "\r\n\r\n";
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$result = bcdiv($x,$y);
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list($_result,) = $_x->divide($_y);
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echo "\$result = \$x/\$y;\r\n";
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echo "$result\r\n";
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echo $_result->toString();
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echo "\r\n\r\n";
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$result = bcmod($y,$z);
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list(,$_result) = $_y->divide($_z);
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echo "\$result = \$x%\$y;\r\n";
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echo "$result\r\n";
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echo $_result->toString();
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echo "\r\n\r\n";
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$result = bcmul($x,$z);
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$_result = $_x->multiply($_z);
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echo "\$result = \$x*\$z;\r\n";
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echo "$result\r\n";
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echo $_result->toString();
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echo "\r\n\r\n";
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$result = bcpowmod($x,$y,$result);
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$_result = $_x->modPow($_y,$_result);
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echo "\$result = (\$x**\$y)%\$result;\r\n";
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echo "$result\r\n";
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echo $_result->toString();
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echo "\r\n\r\n";
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// modInverse isn't demo'd because no equivalent to it exists in BCMath.
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?>
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