operator== [2/2]

bool operator== ( double lhs, const Approx & rhs )

friend

Definition at line 431 of file fltest.h.

                                                                      {
        double diff = lhs - rhs.mValue;
        if (diff < 0) diff = -diff;
 
        // Check absolute margin first (if set)
        if (rhs.mMargin > 0.0 && diff <= rhs.mMargin) {
            return true;
        }
 
        // Check relative epsilon
        double lhsAbs = lhs < 0 ? -lhs : lhs;
        double rhsAbs = rhs.mValue < 0 ? -rhs.mValue : rhs.mValue;
        double maxAbs = lhsAbs > rhsAbs ? lhsAbs : rhsAbs;
        double relativeMargin = rhs.mEpsilon * (rhs.mScale + maxAbs);
        return diff <= relativeMargin;
    }

References Approx(), and FL_NOEXCEPT.