proxim.h File Reference

#include <math.h>
#include <numbers>
#include "CxxUtils/AthUnlikelyMacros.h"

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Functions
double	proxim (double b, double a)

Function Documentation

proxim()

double proxim ( double b, double a )

inline

Definition at line 17 of file proxim.h.

{
  using std::numbers::pi;
  const double aplus = a + pi;
  const double aminus = a - pi;
  if (ATH_UNLIKELY(b > aplus)) {
    do {
      b -= 2*pi;
    } while(b > aplus);
  }
  else if (ATH_UNLIKELY(b < aminus)) {
    do {
      b += 2*pi;
    } while(b < aminus);
  }
  return b;
}