范例
gmp_abs
GMP
PHP Manual
GMP 函数
参见
More mathematical functions can be found in the
数学扩展
section
Table of Contents
gmp_abs
— Absolute value
gmp_add
— Add numbers
gmp_and
— Bitwise AND
gmp_clrbit
— Clear bit
gmp_cmp
— Compare numbers
gmp_com
— Calculates one's complement
gmp_div_q
— Divide numbers
gmp_div_qr
— Divide numbers and get quotient and remainder
gmp_div_r
— Remainder of the division of numbers
gmp_div
— 别名 gmp_div_q
gmp_divexact
— Exact division of numbers
gmp_export
— Export to a binary string
gmp_fact
— Factorial
gmp_gcd
— Calculate GCD
gmp_gcdext
— Calculate GCD and multipliers
gmp_hamdist
— Hamming distance
gmp_import
— Import from a binary string
gmp_init
— Create GMP number
gmp_intval
— Convert GMP number to integer
gmp_invert
— Inverse by modulo
gmp_jacobi
— Jacobi symbol
gmp_legendre
— Legendre symbol
gmp_mod
— Modulo operation
gmp_mul
— Multiply numbers
gmp_neg
— Negate number
gmp_nextprime
— Find next prime number
gmp_or
— Bitwise OR
gmp_perfect_square
— Perfect square check
gmp_popcount
— Population count
gmp_pow
— Raise number into power
gmp_powm
— Raise number into power with modulo
gmp_prob_prime
— Check if number is "probably prime"
gmp_random_bits
— Random number
gmp_random_range
— Random number
gmp_random_seed
— Sets the RNG seed
gmp_random
— Random number
gmp_root
— Take the integer part of nth root
gmp_rootrem
— Take the integer part and remainder of nth root
gmp_scan0
— Scan for 0
gmp_scan1
— Scan for 1
gmp_setbit
— Set bit
gmp_sign
— Sign of number
gmp_sqrt
— Calculate square root
gmp_sqrtrem
— Square root with remainder
gmp_strval
— Convert GMP number to string
gmp_sub
— Subtract numbers
gmp_testbit
— Tests if a bit is set
gmp_xor
— Bitwise XOR
范例
gmp_abs
GMP
PHP Manual