fixing:
(1) not building polynomials and tests for grumpkin curve (no NTT)
(2) polynomial API C++ example compilation and (when compilation is fixed) memory corruption
(3) bug fix in poly CUDA backend regarding transformation to evaluations in some cases
fixing: (1) not building polynomials and tests for grumpkin curve (no NTT) (2) polynomial API C++ example compilation and (when compilation is fixed) memory corruption (3) bug fix in poly CUDA backend regarding transformation to evaluations in some cases