gmp_root

(PHP 5 >= 5.6.0, PHP 7)

gmp_root — Take the integer part of nth root

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gmp_root ( GMP $a , int $nth ) : GMP

Takes the nth root of a and returns the integer component of the result.

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a

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nth

The positive root to take of a.

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The integer component of the resultant root, as a GMP number.