Table 1 Approximations of \(\pi\).
From: Integration of multiple coinflip devices for high-quality random sampling
Bitstream | Mean approx. of \(\mathbf {\pmb {\pi }}\) | Std. dev. of approx. |
|---|---|---|
TD0 | 2.8635 | 0.1680 |
TD0, 1 XOR | 3.4201 | 0.1393 |
TD0, 2 XOR | 3.2610 | 0.1234 |
TD0, 3 XOR | 3.2027 | 0.1099 |
XOR(TD0,TD1) | 3.1619 | 0.0702 |
XOR(TD0,TD1,TD2) | 3.1461 | 0.0541 |
Pipelined | 3.1499 | 0.0541 |
