public static uint[] FromBigInteger(BigInteger x) { uint[] z = Nat192.FromBigInteger(x); if (z[5] == P5 && Nat192.Gte(z, P)) { Nat192.AddDWord(PInv, z, 0); } return(z); }
public static void Add(uint[] x, uint[] y, uint[] z) { uint c = Nat192.Add(x, y, z); if (c != 0 || (z[5] == P5 && Nat192.Gte(z, P))) { Nat192.AddDWord(PInv, z, 0); } }
public static void Twice(uint[] x, uint[] z) { uint c = Nat192.ShiftUpBit(x, 0, z); if (c != 0 || (z[5] == P5 && Nat192.Gte(z, P))) { Nat192.AddDWord(PInv, z, 0); } }
public static void AddOne(uint[] x, uint[] z) { Nat192.Copy(x, z); uint c = Nat192.Inc(z, 0); if (c != 0 || (z[5] == P5 && Nat192.Gte(z, P))) { Nat192.AddDWord(PInv, z, 0); } }
public static void Reduce32(uint x, uint[] z) { uint c = Nat192.Mul33WordAdd(PInv33, x, z, 0); Debug.Assert(c == 0 || c == 1); if (c != 0 || (z[5] == P5 && Nat192.Gte(z, P))) { Nat192.AddDWord(PInv, z, 0); } }
public static void Reduce(uint[] xx, uint[] z) { ulong c = Nat192.Mul33Add(PInv33, xx, 6, xx, 0, z, 0); c = Nat192.Mul33DWordAdd(PInv33, c, z, 0); Debug.Assert(c == 0 || c == 1); if (c != 0 || (z[5] == P5 && Nat192.Gte(z, P))) { Nat192.AddDWord(PInv, z, 0); } }