misc.cc

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#include "utils/misc.h"
 
#include <cmath>
#include <limits>
 
#include "utils/constants.h"
 
namespace hummingbird {
bool DoubleEqual(const double first, const double second,
                 const double tolerance) {
  double difference = second - first;
  return (std::abs(difference) < tolerance);
}
 
double RelativeError(const double new_val, const double old_val) {
  if (new_val == 0.0)
    return old_val == 0.0 ? 0.0 : std::numeric_limits<double>::infinity();
  return std::abs((new_val - old_val) / new_val);
}
 
}  // namespace hummingbird