Implement an optimization for TFHE/GINX
Improve the cost of GINX bootstrapping (by about 2x) by using the ternary CMUX from https://eprint.iacr.org/2022/074 (1 external product vs 2).
Improve the cost of GINX bootstrapping (by about 2x) by using the ternary CMUX from https://eprint.iacr.org/2022/074 (1 external product vs 2).