X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?a=blobdiff_plain;f=ginac%2Fptr.h;h=a2e9d8fe61b70a629391e085e5d3eaf8cb34c17b;hb=761d1597532504762c1f9b438c7727c4f74d7da3;hp=29db23501ead133f09d92fcd47c432bcbe7423d8;hpb=47ecb72dce5ea9c917d1e1e77863c45a8b2b1bba;p=ginac.git

diff --git a/ginac/ptr.h b/ginac/ptr.h
index 29db2350..a2e9d8fe 100644
--- a/ginac/ptr.h
+++ b/ginac/ptr.h
@@ -3,7 +3,7 @@
  *  Reference-counted pointer template. */
 
 /*
- *  GiNaC Copyright (C) 1999-2016 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2017 Johannes Gutenberg University Mainz, Germany
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -61,7 +61,7 @@ template <class T> class ptr {
 	// and makewritable() requires locking.
 
 public:
-    // no default ctor: a ptr is never unbound
+	// no default ctor: a ptr is never unbound
 
 	/** Bind ptr to newly created object, start reference counting. */
 	ptr(T *t) noexcept : p(t) { GINAC_ASSERT(p); p->set_refcount(1); }
@@ -155,8 +155,7 @@ namespace std {
 
 /** Specialization of std::less for ptr<T> to enable ordering of ptr<T>
  *  objects (e.g. for the use as std::map keys). */
-template <class T> struct less<GiNaC::ptr<T>>
- : public binary_function<GiNaC::ptr<T>, GiNaC::ptr<T>, bool> {
+template <class T> struct less<GiNaC::ptr<T>> {
 	bool operator()(const GiNaC::ptr<T> &lhs, const GiNaC::ptr<T> &rhs) const
 	{
 		return less<T*>()(lhs.p, rhs.p);