code: public static boolean isEq(double a, double b) {
          return a == b || Math.abs(a - b) < FuzzyLite.macheps || (Double.isNaN(a) && Double.isNaN(b));
      }
docs: Returns whether `a` is equal to `b` at the default tolerance
  
  @param a
  @param b
  @return whether `a` is equal to `b` at the default tolerance