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Tests if a bit is set
()
Example 818. gmp_testbit() example<?phpThe above example will output: bool(false)Code Examples / Notes » gmp_testbitbluej100@gmail
gmp_testbit will be very useful for my (over 64-bit) bitmask checking. In the meantime, I think these are the best replacements. Mostly full: <?php (gmp_scan1($a, $index) == $index) ?> Mostly empty: <?php (gmp_scan0($a, $index) != $index) ?> Still worst-case O(N), though. |
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gmp_abs gmp_add gmp_and gmp_clrbit gmp_cmp gmp_com gmp_div_q gmp_div_qr gmp_div_r gmp_div gmp_divexact gmp_fact gmp_gcd gmp_gcdext gmp_hamdist gmp_init gmp_intval gmp_invert gmp_jacobi gmp_legendre gmp_mod gmp_mul gmp_neg gmp_nextprime gmp_or gmp_perfect_square gmp_popcount gmp_pow gmp_powm gmp_prob_prime gmp_random gmp_scan0 gmp_scan1 gmp_setbit gmp_sign gmp_sqrt gmp_sqrtrem gmp_strval gmp_sub gmp_testbit gmp_xor |
