NumericUtils.h

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#ifndef LARCOREALG_COREUTILS_NUMERICUTILS_H
#define LARCOREALG_COREUTILS_NUMERICUTILS_H

// C/C++ standard libraries
#include <type_traits>

namespace lar::util {

  // @{
  bool ValueInRange(double value, double min, double max);
  // @}

  //--------------------------------------------------------------------
  bool PointWithinSegments(double A_start_x,
                           double A_start_y,
                           double A_end_x,
                           double A_end_y,
                           double B_start_x,
                           double B_start_y,
                           double B_end_x,
                           double B_end_y,
                           double x,
                           double y);
  // @{
  template <typename A, typename B>
  constexpr auto absDiff(A const& a, B const& b)
  {
    static_assert(std::is_same<std::decay_t<A>, std::decay_t<B>>{},
                  "Arguments of util::absDiff() have to be of the same type.");
    return (b > a) ? (b - a) : (a - b);
  }
  // @}

} // namespace lar::util

#endif // LARCOREALG_COREUTILS_NUMERICUTILS_H