public function testGMP()
{
$math = \Mdanter\Ecc\EccFactory::getAdapter();
$I_l = "e97a4d6be13f8f5804c0a76080428fc6d51260f74801678c4127045d2640af14";
$private_key = "142018c66b43a95de58c1cf603446fc0da322bc15fb4df068b844b57c706dd05";
$n = "115792089237316195423570985008687907852837564279074904382605163141518161494337";
$gmp_I_l = gmp_init($I_l, 16);
$gmp_private_key = gmp_init($private_key, 16);
$gmp_add = gmp_add($gmp_I_l, $gmp_private_key);
$gmp_add_res = gmp_strval($gmp_add, 10);
$this->assertEquals("105604983404708440304568772161069255144976878830542744455590282065741265022740", gmp_strval($gmp_I_l));
$this->assertEquals("9102967069016248707169900673545386030247334423973996501079368232055584775429", gmp_strval($gmp_private_key));
$this->assertEquals("114707950473724689011738672834614641175224213254516740956669650297796849798169", gmp_strval($gmp_add));
$this->assertEquals("114707950473724689011738672834614641175224213254516740956669650297796849798169", gmp_strval(gmp_div_r($gmp_add, gmp_init($n))));
$this->assertEquals("-4", gmp_strval(gmp_cmp(0, gmp_div_r($gmp_add, $n))));
$this->assertEquals("230500039711040884435309657843302549028061777533591645339274813439315011292506", gmp_strval(gmp_add(gmp_init($n), gmp_div_r($gmp_add, gmp_init($n)))));
$gmp_mod2 = $math->mod($gmp_add_res, $n);
$this->assertTrue(is_string($gmp_mod2));
$this->assertEquals("114707950473724689011738672834614641175224213254516740956669650297796849798169", $gmp_mod2);
$this->assertEquals("114707950473724689011738672834614641175224213254516740956669650297796849798169", $gmp_mod2);
// when no base is provided both a resource and string work
$this->assertEquals("114707950473724689011738672834614641175224213254516740956669650297796849798169", gmp_strval(gmp_init($gmp_mod2)));
$this->assertEquals("114707950473724689011738672834614641175224213254516740956669650297796849798169", gmp_strval($gmp_mod2));
// when base is provided it fails on HHVM when inputting a string
$this->assertEquals("fd9a66324c8338b5ea4cc4568386ff87af448cb8a7b64692ccab4fb4ed478c19", gmp_strval(gmp_init($gmp_mod2), 16));
// $this->assertEquals("fd9a66324c8338b5ea4cc4568386ff87af448cb8a7b64692ccab4fb4ed478c19", gmp_strval($gmp_mod2, 16));
$this->assertEquals("fd9a66324c8338b5ea4cc4568386ff87af448cb8a7b64692ccab4fb4ed478c19", str_pad(gmp_strval(gmp_init($gmp_mod2), 16), 64, '0', STR_PAD_LEFT));
}
function fact($number)
{
$t = $number;
if (gmp_div_r((string) $t, 2) == 0) {
$n = 0;
$n += 1;
$t /= 2;
while (gmp_div_r((string) $t, 2) == 0) {
$n += 1;
$t /= 2;
}
echo "2, {$n}\n";
if ($t == 1) {
return;
}
}
$limit = floor(sqrt($t));
for ($i = 3; $i <= $limit; $i += 2) {
if (gmp_div_r((string) $t, $i) == 0) {
$n = 0;
$n += 1;
$t /= $i;
while (gmp_div_r((string) $t, $i) == 0) {
$n += 1;
$t /= $i;
}
echo "{$i}, {$n}\n";
if ($t == 1) {
return;
}
$limit = floor(sqrt($t));
}
}
echo "{$t}, 1\n";
}
/**
* Returns the amount of hundredth's in this decimal fraction part. That would be cents for,
* say, an USD amount.
*
* @return integer
*/
public function fractionValue()
{
$ret = gmp_div_r(gmp_abs(gmp_init($this->cents, 10)), 100);
if (gmp_cmp(gmp_init($this->cents, 10), 0) < 0) {
$ret = gmp_neg($ret);
}
return gmp_intval($ret);
}
public static function gmp_mod2($n, $d)
{
if (extension_loaded('gmp') && USE_EXT == 'GMP') {
$res = gmp_div_r($n, $d);
if (gmp_cmp(0, $res) > 0) {
$res = gmp_add($d, $res);
}
return gmp_strval($res);
} else {
throw new Exception("PLEASE INSTALL GMP");
}
}
public function totalPages()
{
$remainder = gmp_div_r(count($this->items_array), $this->items_x_page);
$quotient = gmp_intval(gmp_div_q(count($this->items_array), $this->items_x_page));
if ($quotient > 0) {
if ($remainder > 0) {
$this->total_pages = $quotient + 1;
} else {
$this->total_pages = $quotient;
}
} else {
$this->total_pages = 1;
}
return $this->total_pages;
}
function fatorar_raiz_quadrada($numOrig)
{
$result = '';
$fatoracao = fatoracao_numeros_primos($numOrig);
if (is_array($fatoracao) && count($fatoracao) > 0) {
$resultFatNumero = 0;
$resultFatRaiz = array();
foreach ($fatoracao as $fator => $qtd) {
if ($qtd > 1) {
$agrupamentoPares = gmp_div_q($qtd, 2);
// divide por dois, simples, retorna inteiro
$resultPares = $fator * gmp_strval($agrupamentoPares);
// os pares são tirados da raiz quadrada, portanto numeros normais no resultado;
$resultFatNumero = $resultFatNumero > 0 ? $resultFatNumero * $resultPares : $resultPares;
$restoImpar = gmp_div_r($qtd, 2);
if ($restoImpar > 0) {
$resultFatRaiz[] = "raiz quadrada(" . gmp_strval($fator) . ")";
}
} else {
$resultFatRaiz[] = "raiz quadrada({$fator})";
}
}
if ($resultFatNumero > 0) {
$result = $resultFatNumero;
}
if (count($resultFatRaiz) > 0) {
$resultFatRaiz = implode(' * ', $resultFatRaiz);
if ($result != '') {
// caso exista numerico, multiplicar por este
$result .= ' * ';
}
$result .= $resultFatRaiz;
}
} else {
$result = "<b>{$fatoracao}<b><br>";
}
return $result;
}
<?php
var_dump(gmp_div_r());
var_dump(gmp_div_r(""));
var_dump($r = gmp_div_r(0, 1));
var_dump(gmp_strval($r));
var_dump($r = gmp_div_r(1, 0));
var_dump($r = gmp_div_r(12653, 23482734));
var_dump(gmp_strval($r));
var_dump($r = gmp_div_r(12653, 23482734, 10));
var_dump(gmp_strval($r));
var_dump($r = gmp_div_r(1123123, 123));
var_dump(gmp_strval($r));
var_dump($r = gmp_div_r(1123123, 123, 1));
var_dump(gmp_strval($r));
var_dump($r = gmp_div_r(1123123, 123, 2));
var_dump(gmp_strval($r));
var_dump($r = gmp_div_r(1123123, 123, GMP_ROUND_ZERO));
var_dump(gmp_strval($r));
var_dump($r = gmp_div_r(1123123, 123, GMP_ROUND_PLUSINF));
var_dump(gmp_strval($r));
var_dump($r = gmp_div_r(1123123, 123, GMP_ROUND_MINUSINF));
var_dump(gmp_strval($r));
$fp = fopen(__FILE__, 'r');
var_dump(gmp_div_r($fp, $fp));
var_dump(gmp_div_r(array(), array()));
echo "Done\n";
echo gmp_strval($div1) . "\n";
$div2 = gmp_div_q("1", "3");
echo gmp_strval($div2) . "\n";
$div3 = gmp_div_q("1", "3", GMP_ROUND_PLUSINF);
echo gmp_strval($div3) . "\n";
$div4 = gmp_div_q("-1", "4", GMP_ROUND_PLUSINF);
echo gmp_strval($div4) . "\n";
$div5 = gmp_div_q("-1", "4", GMP_ROUND_MINUSINF);
echo gmp_strval($div5) . "\n";
// gmp_div_qr
$a = gmp_init("0x41682179fbf5");
$res = gmp_div_qr($a, "0xDEFE75");
var_dump($res);
printf("Result is: q - %s, r - %s" . PHP_EOL, gmp_strval($res[0]), gmp_strval($res[1]));
// gmp_div_r
$div = gmp_div_r("105", "20");
echo gmp_strval($div) . "\n";
// gmp_div
$div1 = gmp_div("100", "5");
echo gmp_strval($div1) . "\n";
// gmp_divexact
$div1 = gmp_divexact("10", "2");
echo gmp_strval($div1) . "\n";
// gmp_fact
$fact1 = gmp_fact(5);
// 5 * 4 * 3 * 2 * 1
echo gmp_strval($fact1) . "\n";
$fact2 = gmp_fact(50);
// 50 * 49 * 48, ... etc
echo gmp_strval($fact2) . "\n";
// gmp_gcd
/**
* This method evaluates whether the operand is an odd number.
*
* @access public
* @static
* @param IInteger\Type $x the object to be evaluated
* @return IBool\Type whether the operand is an odd
* number
*/
public static function isOdd(IInteger\Type $x) : IBool\Type
{
return IBool\Type::box(gmp_strval(gmp_div_r($x->unbox(), '2')) != '0');
}
/**
* Validate if a value is divisible by an available bill
* @param unknown $value
*/
public function validateBillByBill($value)
{
foreach ($this->availableBills as $bill) {
if (gmp_div_r($value, $bill) === 0) {
return true;
}
}
return false;
}
function dots($num)
{
if (strstr($num, ".")) {
$ost1 = substr($num, 1 + strpos($num, "."));
$num = substr($num, 0, strpos($num, "."));
}
if (substr($num, 0, 1) == "-") {
$min = 1;
$num = substr($num, 1);
}
if (strstr($num, ".")) {
$num = substr($num, 0, strpos($num, "."));
}
$ost = gmp_strval(gmp_div_r(strlen($num), 3));
for ($i = 1; $i <= gmp_strval(gmp_div_q(strlen($num), 3)); $i++) {
$str = substr($num, strlen($num) - $i * 3, 3) . "." . $str;
}
if ($ost > 0) {
$str = substr($num, 0, $ost) . "." . $str;
}
$str = substr($str, 0, strlen($str) - 1);
if ($str == "") {
$str = 0;
}
if ($min) {
$str = "-" . $str;
}
if ($ost1) {
$str = $str . "," . $ost1;
}
return $str;
}
/**
* {@inheritdoc}
*/
public function divR($left, $right)
{
return gmp_strval(gmp_div_r($left, $right));
}
<?php
echo (double) (600851475143.0 % 3) . "\n";
echo 600851475143.0 % 5 . "\n";
echo 600851475143.0 % 7 . "\n";
echo 600851475143.0 % 9 . "\n";
echo gmp_div_r('600851475143', 3) . "\n";
/**
* {@inheritdoc}
*/
public function divR($a, $b)
{
return gmp_strval(gmp_div_r($a, $b));
}
$l_desc = $row["l_desc"];
$my_id = $row["id"];
$my_count = $row["my_count"];
echo "<td><center>( {$my_count} )<br>{$s_desc}<br><IMG title='{$l_desc}' src='./pics/" . $my_cat_id . "_{$my_id}" . ".jpg'><br></center>";
echo "<center><a href='{$cgi}?act=trans&my_id={$my_id}&add=in'><IMG title='Add' src='add.png'></a>";
if ($my_count > 0) {
echo "<a href='{$cgi}?act=trans&my_id={$my_id}&add=out'><IMG title='Remove' src='minus.png'></a>";
} else {
// echo "<IMG title='No inventory to check out' src='nono.png'>";
}
echo "<a href='{$cgi}?act=del&my_id={$my_id}&add=in'><IMG title='Delete from Inventory' src='delete.png'></a>";
echo "<br>";
echo "<a href='{$cgi}?act=modify&my_id={$my_id}'><IMG title='Edit' src='edit.png'></a>";
echo "<a href='{$cgi}?act=upload&my_id={$my_id}'><IMG title='Change Photo' src='picture.png'></a>";
echo "<a href='{$cgi}?act=activity&my_id={$my_id}'><IMG title='History' src='list_edit.png'></center></a></td>\n\n\n";
if (gmp_div_r($color, $num_col) == $num_col - 1) {
echo "</tr>\n";
}
$color = $color + 1;
}
} else {
echo "<p><h1>No items</h1></p>";
}
}
echo "</table></center><br><br>";
NavBar($cgi, $act, $usr_access, $copyrite);
break;
case "login":
shortbanner("Login", $dblink, $css_include_file, $title);
if (!isset($_SESSION['user_id'])) {
// do nothing
