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For rationale, see #6787 Extensions migrated in part 3: * ftp * gmp * iconv * opcache * shmop
70 lines
1.4 KiB
PHP
70 lines
1.4 KiB
PHP
--TEST--
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gmp_binomial(): Binomial coefficients
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--EXTENSIONS--
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gmp
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--FILE--
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<?php
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var_dump(gmp_binomial(10, 5));
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var_dump(gmp_binomial("10", 5));
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$n = gmp_init(10);
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var_dump(gmp_binomial($n, 5));
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var_dump(gmp_binomial(10000, 100));
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var_dump(gmp_binomial(0, 0));
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var_dump(gmp_binomial(0, 1));
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var_dump(gmp_binomial(1, 0));
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var_dump(gmp_binomial(1, 1));
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var_dump(gmp_binomial(-1, 5)); // == -(1 + 5 - 1 over 5)
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var_dump(gmp_binomial(-2, 6)); // == (2 + 6 - 1 over 6)
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try {
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var_dump(gmp_binomial(5, -2));
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} catch (\ValueError $e) {
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echo $e->getMessage() . \PHP_EOL;
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}
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?>
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--EXPECT--
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object(GMP)#1 (1) {
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["num"]=>
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string(3) "252"
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}
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object(GMP)#1 (1) {
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["num"]=>
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string(3) "252"
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}
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object(GMP)#2 (1) {
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["num"]=>
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string(3) "252"
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}
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object(GMP)#2 (1) {
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["num"]=>
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string(242) "65208469245472575695415972927215718683781335425416743372210247172869206520770178988927510291340552990847853030615947098118282371982392705479271195296127415562705948429404753632271959046657595132854990606768967505457396473467998111950929802400"
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}
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object(GMP)#2 (1) {
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["num"]=>
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string(1) "1"
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}
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object(GMP)#2 (1) {
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["num"]=>
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string(1) "0"
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}
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object(GMP)#2 (1) {
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["num"]=>
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string(1) "1"
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}
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object(GMP)#2 (1) {
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["num"]=>
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string(1) "1"
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}
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object(GMP)#2 (1) {
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["num"]=>
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string(2) "-1"
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}
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object(GMP)#2 (1) {
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["num"]=>
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string(1) "7"
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}
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gmp_binomial(): Argument #2 ($k) must be greater than or equal to 0
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