nim-poseidon2/tests/poseidon2/testPermutation.nim

import std/unittest

import constantine/math/arithmetic
import constantine/math/io/io_fields
import constantine/math/io/io_bigints

import poseidon2/types
import poseidon2/io
import poseidon2/permutation

suite "permutation":

  test "permutation in place":
    var x: F = toF(0)
    var y: F = toF(1)
    var z: F = toF(2)

    permInplace(x, y, z)

    check toDecimal(x) == "21882471761025344482456282050943515707267606647948403374880378562101343146243"
    check toDecimal(y) == "09030699330013392132529464674294378792132780497765201297316864012141442630280"
    check toDecimal(z) == "09137931384593657624554037900714196568304064431583163402259937475584578975855"