InverseModI function
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Namespace: Microsoft.Quantum.Math
Package: Microsoft.Quantum.Standard
Returns the multiplicative inverse of a modular integer.
function InverseModI (a : Int, modulus : Int) : Int
Description
Returns $b$ such that $a \cdot b = 1 (\operatorname{mod} \texttt{modulus})$.
Input
a : Int
The number being inverted
modulus : Int
The modulus according to which the numbers are inverted
Output : Int
Integer $b$ such that $a \cdot b = 1 (\operatorname{mod} \texttt{modulus})$.
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