[Getfem-commits] r5007 - /trunk/getfem/src/getfem/dal_bit_vector.h

[andriy . andreykiv]

Author: andrico
Date: Wed May 27 13:47:25 2015
New Revision: 5007

URL: http://svn.gna.org/viewcvs/getfem?rev=5007&view=rev
Log:
correcting difference of iterators for const_bv_iterator

Modified:
    trunk/getfem/src/getfem/dal_bit_vector.h

Modified: trunk/getfem/src/getfem/dal_bit_vector.h
URL: 
http://svn.gna.org/viewcvs/getfem/trunk/getfem/src/getfem/dal_bit_vector.h?rev=5007&r1=5006&r2=5007&view=diff
==============================================================================
--- trunk/getfem/src/getfem/dal_bit_vector.h    (original)
+++ trunk/getfem/src/getfem/dal_bit_vector.h    Wed May 27 13:47:25 2015
@@ -397,8 +397,14 @@
       return size_type(*p_iterable_);
     }
 
+    //difference of iterators
     size_type operator-(const const_bv_iterator &other) const{
-      return pos_ - other.pos_;
+      if (pos_ == other.pos_) return 0;
+      auto it  = (pos_ < other.pos_) ? *this : other;
+      auto end = (pos_ > other.pos_) ? *this : other;
+      size_type size = 0;
+      while(it.pos_ < end.pos_) { it++; size++;}
+      return size;
     }
 
     const const_bv_iterator &operator++(){