Utils.h

#pragma once
 
/* 2024
 * @author Piet Jarmatz
 */
 
KOKKOS_FUNCTION constexpr double pow10(unsigned exponent) { return exponent == 0 ? 1.0 : 10.0 * pow10(exponent - 1); }
 
#define DEFINE_DECIMAL_FP_LIMITS(digits)                                                                                                                       \
  constexpr double maxFP##digits = pow10(digits);                                                                                                              \
  constexpr double stepFP##digits = static_cast<double>(LLONG_MAX) / maxFP##digits;                                                                            \
  constexpr double minFP##digits = 1.0 / stepFP##digits;                                                                                                       \
  (void)minFP##digits; // Avoid unused variable warning/error if minFPx is not needed.
 
namespace tarch {
namespace utils {
 
template <class T, class T2> bool contains(T container, T2 element) { return std::find(container.begin(), container.end(), element) != container.end(); }
 
} // namespace utils
} // namespace tarch