- bati : use the input type for pow result

src/cpp/include/bati/smath.hpp

@@ -35,7 +35,7 @@ template <typename T>
 NOLA_HOST_DEVICE
 constexpr auto pow(T const& a, std::size_t n) -> T
 {
-  double result = 1.0;
+  T result = 1.0;
   while (n != 0) {
     result *= a;
     --n;