Trivial clean-ups

- add static/const to some member functions
- remove an unused variable
- don't pass int by const&


git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/branches/constify-ST@632 636b058d-ea47-450e-bf9e-a15bfbe3eedb

Former-commit-id: d8742bf06caf10115ba4b5157e81bfd7bf8d6e15

1 files changed, 1 insertions, 1 deletions

diff --git a/src/Persistent_cohomology/include/gudhi/Persistent_cohomology/Field_Zp.h b/src/Persistent_cohomology/include/gudhi/Persistent_cohomology/Field_Zp.h
index 2349cdac..2a4c8692 100644
--- a/src/Persistent_cohomology/include/gudhi/Persistent_cohomology/Field_Zp.h
+++ b/src/Persistent_cohomology/include/gudhi/Persistent_cohomology/Field_Zp.h
@@ -85,7 +85,7 @@ class Field_Zp {
     return add_id_all;
   }
   /** \brief Returns the multiplicative identity \f$1_{\Bbbk}\f$ of the field.*/
-  const Element& multiplicative_identity(Element P = 0) const {
+  const Element& multiplicative_identity(Element = 0) const {
     return mult_id_all;
   }
   /** Returns the inverse in the field. Modifies P.*/