ZLimits: rm operator<<; rm TODO note on operator==

Resample/Slice/ZLimits.cpp

@@ -22,8 +22,6 @@ bool ZLimits::isFinite() const
     return !std::isinf(low()) && !std::isinf(hig());
 }
 
-// TODO sep22: rm all the following if they remain UNUSED
-
 ZLimits ZLimits::unite(const ZLimits& left, const ZLimits& right)
 {
     return {std::min(left.low(), right.low()), std::max(left.hig(), right.hig())};
@@ -38,8 +36,3 @@ bool operator!=(const ZLimits& left, const ZLimits& right)
 {
     return !(left == right);
 }
-
-std::ostream& operator<<(std::ostream& ostr, const ZLimits& limits)
-{
-    return ostr << "Lower: " << limits.low() << ", Upper: " << limits.hig();
-}

Resample/Slice/ZLimits.h

@@ -51,10 +51,9 @@ public:
     static ZLimits unite(const ZLimits& left, const ZLimits& right);
 };
 
+// used in ZLimitsTest:
 bool operator==(const ZLimits& left, const ZLimits& right);
 bool operator!=(const ZLimits& left, const ZLimits& right);
 
-std::ostream& operator<<(std::ostream& ostr, const ZLimits& limits);
-
 #endif // BORNAGAIN_RESAMPLE_SLICE_ZLIMITS_H
 #endif // USER_API