INNER CODE UNIT · Go

PrecomputeLattice

Consensys/gnark-crypto · ecc/utils.go:110

func PrecomputeLattice(r, lambda *big.Int, res *Lattice) {

	var rst [2][3]big.Int
	var tmp [3]big.Int
	var quotient, remainder, sqroot, _r, _t big.Int

	rst[0][0].Set(r)
	rst[0][1].SetUint64(1)
	rst[0][2].SetUint64(0)

	rst[1][0].Set(lambda)
	rst[1][1].SetUint64(0)
	rst[1][2].SetUint64(1)

	sqroot.Sqrt(r)

	var one big.Int
	one.SetUint64(1)

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