weighted towards high, low, and edge values. func (Scalar) Generate(rand *mathrand.Rand, size int) reflect.Value { var s [32]byte diceRoll := rand.Intn(100) switch { case diceRoll == 0: case diceRoll == 1: s = scOneBytes case diceRoll == 2: s = scalarMinusOneBytes case diceRoll < 5: // Generate a low scalar in [0, 2^125). rand.Read(s[:16]) s[15] &= (1 << 5) - 1 case diceRoll < 10: // Generate a high scalar in [2^252, 2^252 + 2^124). s[31] = 1 << 4 rand.Read(s[:16]) s[15] &= (1 << 4) - 1 default: // Generate...