Replace pow call by an homemade powd function call
Replace pow call by an homemade powd function call

Fix the following issue for some Cuda version:
error: calling a __host__ function("std::pow<long, unsigned long> ")
from a __global__ function("suite") is not allowed

Dwii/Master-Thesis,Dwii/Master-Thesis,Dwii/Master-Thesis,Dwii/Master-Thesis,Dwii/Master-Thesis,Dwii/Master-Thesis,Dwii/Master-Thesis