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Server IP : 79.136.114.73 / Your IP : 3.128.31.200 Web Server : Apache/2.4.7 (Ubuntu) PHP/5.5.9-1ubuntu4.29 OpenSSL/1.0.1f System : Linux b8009 3.13.0-170-generic #220-Ubuntu SMP Thu May 9 12:40:49 UTC 2019 x86_64 User : www-data ( 33) PHP Version : 5.5.9-1ubuntu4.29 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority, MySQL : ON | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : ON Directory : /proc/self/root/home/b8009/php-5.6.22/ext/standard/tests/math/ |
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--TEST-- Test pow() - basic function test pow() --INI-- precision=14 --SKIPIF-- <?php if (PHP_INT_SIZE != 4) die("skip this test is for 32bit platform only"); ?> --FILE-- <?php $bases = array(23, -23, 23.1, -23.1, 2.345e1, -2.345e1, 0x17, 027, "23", "23.45", "2.345e1", PHP_INT_MAX, -PHP_INT_MAX - 1); $exponents = array(0, 1, -1, 2, -2, 3, -3, 2.5, -2.5, 500, -500, 2147483647, -2147483648); foreach($bases as $base) { echo "\n\nBase = $base"; foreach($exponents as $exponent) { echo "\n..... Exponent = $exponent Result = "; $res = pow($base, $exponent); echo $res; } echo "\n\n"; } ?> ===Done=== --EXPECT-- Base = 23 ..... Exponent = 0 Result = 1 ..... Exponent = 1 Result = 23 ..... Exponent = -1 Result = 0.043478260869565 ..... Exponent = 2 Result = 529 ..... Exponent = -2 Result = 0.001890359168242 ..... Exponent = 3 Result = 12167 ..... Exponent = -3 Result = 8.2189529053999E-5 ..... Exponent = 2.5 Result = 2536.9948758324 ..... Exponent = -2.5 Result = 0.00039416713432339 ..... Exponent = 500 Result = INF ..... Exponent = -500 Result = 0 ..... Exponent = 2147483647 Result = INF ..... Exponent = -2147483648 Result = 0 Base = -23 ..... Exponent = 0 Result = 1 ..... Exponent = 1 Result = -23 ..... Exponent = -1 Result = -0.043478260869565 ..... Exponent = 2 Result = 529 ..... Exponent = -2 Result = 0.001890359168242 ..... Exponent = 3 Result = -12167 ..... Exponent = -3 Result = -8.2189529053999E-5 ..... Exponent = 2.5 Result = NAN ..... Exponent = -2.5 Result = NAN ..... Exponent = 500 Result = INF ..... Exponent = -500 Result = 0 ..... Exponent = 2147483647 Result = -INF ..... Exponent = -2147483648 Result = 0 Base = 23.1 ..... Exponent = 0 Result = 1 ..... Exponent = 1 Result = 23.1 ..... Exponent = -1 Result = 0.043290043290043 ..... Exponent = 2 Result = 533.61 ..... Exponent = -2 Result = 0.0018740278480538 ..... Exponent = 3 Result = 12326.391 ..... Exponent = -3 Result = 8.1126746668997E-5 ..... Exponent = 2.5 Result = 2564.6608940579 ..... Exponent = -2.5 Result = 0.00038991509650141 ..... Exponent = 500 Result = INF ..... Exponent = -500 Result = 0 ..... Exponent = 2147483647 Result = INF ..... Exponent = -2147483648 Result = 0 Base = -23.1 ..... Exponent = 0 Result = 1 ..... Exponent = 1 Result = -23.1 ..... Exponent = -1 Result = -0.043290043290043 ..... Exponent = 2 Result = 533.61 ..... Exponent = -2 Result = 0.0018740278480538 ..... Exponent = 3 Result = -12326.391 ..... Exponent = -3 Result = -8.1126746668997E-5 ..... Exponent = 2.5 Result = NAN ..... Exponent = -2.5 Result = NAN ..... Exponent = 500 Result = INF ..... Exponent = -500 Result = 0 ..... Exponent = 2147483647 Result = -INF ..... Exponent = -2147483648 Result = 0 Base = 23.45 ..... Exponent = 0 Result = 1 ..... Exponent = 1 Result = 23.45 ..... Exponent = -1 Result = 0.042643923240938 ..... Exponent = 2 Result = 549.9025 ..... Exponent = -2 Result = 0.001818504189379 ..... Exponent = 3 Result = 12895.213625 ..... Exponent = -3 Result = 7.7548153065204E-5 ..... Exponent = 2.5 Result = 2662.9138571162 ..... Exponent = -2.5 Result = 0.00037552848257846 ..... Exponent = 500 Result = INF ..... Exponent = -500 Result = 0 ..... Exponent = 2147483647 Result = INF ..... Exponent = -2147483648 Result = 0 Base = -23.45 ..... Exponent = 0 Result = 1 ..... Exponent = 1 Result = -23.45 ..... Exponent = -1 Result = -0.042643923240938 ..... Exponent = 2 Result = 549.9025 ..... Exponent = -2 Result = 0.001818504189379 ..... Exponent = 3 Result = -12895.213625 ..... Exponent = -3 Result = -7.7548153065204E-5 ..... Exponent = 2.5 Result = NAN ..... Exponent = -2.5 Result = NAN ..... Exponent = 500 Result = INF ..... Exponent = -500 Result = 0 ..... Exponent = 2147483647 Result = -INF ..... Exponent = -2147483648 Result = 0 Base = 23 ..... Exponent = 0 Result = 1 ..... Exponent = 1 Result = 23 ..... Exponent = -1 Result = 0.043478260869565 ..... Exponent = 2 Result = 529 ..... Exponent = -2 Result = 0.001890359168242 ..... Exponent = 3 Result = 12167 ..... Exponent = -3 Result = 8.2189529053999E-5 ..... Exponent = 2.5 Result = 2536.9948758324 ..... Exponent = -2.5 Result = 0.00039416713432339 ..... Exponent = 500 Result = INF ..... Exponent = -500 Result = 0 ..... Exponent = 2147483647 Result = INF ..... Exponent = -2147483648 Result = 0 Base = 23 ..... Exponent = 0 Result = 1 ..... Exponent = 1 Result = 23 ..... Exponent = -1 Result = 0.043478260869565 ..... Exponent = 2 Result = 529 ..... Exponent = -2 Result = 0.001890359168242 ..... Exponent = 3 Result = 12167 ..... Exponent = -3 Result = 8.2189529053999E-5 ..... Exponent = 2.5 Result = 2536.9948758324 ..... Exponent = -2.5 Result = 0.00039416713432339 ..... Exponent = 500 Result = INF ..... Exponent = -500 Result = 0 ..... Exponent = 2147483647 Result = INF ..... Exponent = -2147483648 Result = 0 Base = 23 ..... Exponent = 0 Result = 1 ..... Exponent = 1 Result = 23 ..... Exponent = -1 Result = 0.043478260869565 ..... Exponent = 2 Result = 529 ..... Exponent = -2 Result = 0.001890359168242 ..... Exponent = 3 Result = 12167 ..... Exponent = -3 Result = 8.2189529053999E-5 ..... Exponent = 2.5 Result = 2536.9948758324 ..... Exponent = -2.5 Result = 0.00039416713432339 ..... Exponent = 500 Result = INF ..... Exponent = -500 Result = 0 ..... Exponent = 2147483647 Result = INF ..... Exponent = -2147483648 Result = 0 Base = 23.45 ..... Exponent = 0 Result = 1 ..... Exponent = 1 Result = 23.45 ..... Exponent = -1 Result = 0.042643923240938 ..... Exponent = 2 Result = 549.9025 ..... Exponent = -2 Result = 0.001818504189379 ..... Exponent = 3 Result = 12895.213625 ..... Exponent = -3 Result = 7.7548153065204E-5 ..... Exponent = 2.5 Result = 2662.9138571162 ..... Exponent = -2.5 Result = 0.00037552848257846 ..... Exponent = 500 Result = INF ..... Exponent = -500 Result = 0 ..... Exponent = 2147483647 Result = INF ..... Exponent = -2147483648 Result = 0 Base = 2.345e1 ..... Exponent = 0 Result = 1 ..... Exponent = 1 Result = 23.45 ..... Exponent = -1 Result = 0.042643923240938 ..... Exponent = 2 Result = 549.9025 ..... Exponent = -2 Result = 0.001818504189379 ..... Exponent = 3 Result = 12895.213625 ..... Exponent = -3 Result = 7.7548153065204E-5 ..... Exponent = 2.5 Result = 2662.9138571162 ..... Exponent = -2.5 Result = 0.00037552848257846 ..... Exponent = 500 Result = INF ..... Exponent = -500 Result = 0 ..... Exponent = 2147483647 Result = INF ..... Exponent = -2147483648 Result = 0 Base = 2147483647 ..... Exponent = 0 Result = 1 ..... Exponent = 1 Result = 2147483647 ..... Exponent = -1 Result = 4.6566128752458E-10 ..... Exponent = 2 Result = 4.6116860141324E+18 ..... Exponent = -2 Result = 2.1684043469905E-19 ..... Exponent = 3 Result = 9.903520300448E+27 ..... Exponent = -3 Result = 1.0097419600935E-28 ..... Exponent = 2.5 Result = 2.1370991100146E+23 ..... Exponent = -2.5 Result = 4.6792401686657E-24 ..... Exponent = 500 Result = INF ..... Exponent = -500 Result = 0 ..... Exponent = 2147483647 Result = INF ..... Exponent = -2147483648 Result = 0 Base = -2147483648 ..... Exponent = 0 Result = 1 ..... Exponent = 1 Result = -2147483648 ..... Exponent = -1 Result = -4.6566128730774E-10 ..... Exponent = 2 Result = 4.6116860184274E+18 ..... Exponent = -2 Result = 2.168404344971E-19 ..... Exponent = 3 Result = -9.903520314283E+27 ..... Exponent = -3 Result = -1.0097419586829E-28 ..... Exponent = 2.5 Result = NAN ..... Exponent = -2.5 Result = NAN ..... Exponent = 500 Result = INF ..... Exponent = -500 Result = 0 ..... Exponent = 2147483647 Result = -INF ..... Exponent = -2147483648 Result = 0 ===Done===