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deca940406
Diophantine solution here since it can vary based on the libgmp version we are linking against and in general there are almost always multiple valid solutions
77 lines
1.5 KiB
PHP
77 lines
1.5 KiB
PHP
--TEST--
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gmp_gcdext() basic tests
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--SKIPIF--
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<?php if (!extension_loaded("gmp")) print "skip";
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?>
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--FILE--
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<?php
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$n = gmp_init("34293864345");
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$n1 = gmp_init("23434293864345");
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$a = array(
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array(123,45),
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array(4341,9734),
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array(23487,333),
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array(-234234,-123123),
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array(-100,-2234),
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array(345,"34587345"),
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array(345,"0"),
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array("345556456",345873),
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array("34545345556456","323432445873"),
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array($n, $n1),
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);
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foreach ($a as $val) {
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$r = gmp_gcdext($val[0],$val[1]);
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$check = gmp_add(gmp_mul($val[0],$r['s']), gmp_mul($val[1],$r['t']));
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var_dump(gmp_strval($r['g']));
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var_dump(gmp_strval($check));
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}
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var_dump(gmp_gcdext($val[0],array()));
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var_dump(gmp_gcdext(array(),array()));
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var_dump(gmp_gcdext(array(),array(),1));
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var_dump(gmp_gcdext(array()));
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var_dump(gmp_gcdext());
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echo "Done\n";
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?>
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--EXPECTF--
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string(1) "3"
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string(1) "3"
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string(1) "1"
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string(1) "1"
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string(1) "3"
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string(1) "3"
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string(4) "3003"
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string(4) "3003"
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string(1) "2"
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string(1) "2"
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string(2) "15"
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string(2) "15"
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string(3) "345"
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string(3) "345"
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string(1) "1"
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string(1) "1"
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string(1) "1"
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string(1) "1"
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string(3) "195"
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string(3) "195"
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Warning: gmp_gcdext(): Unable to convert variable to GMP - wrong type in %s on line %d
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bool(false)
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Warning: gmp_gcdext(): Unable to convert variable to GMP - wrong type in %s on line %d
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bool(false)
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Warning: gmp_gcdext() expects exactly 2 parameters, 3 given in %s on line %d
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NULL
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Warning: gmp_gcdext() expects exactly 2 parameters, 1 given in %s on line %d
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NULL
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Warning: gmp_gcdext() expects exactly 2 parameters, 0 given in %s on line %d
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NULL
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Done
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