X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?a=blobdiff_plain;f=ginac%2Fnormal.h;h=deb69a97f40db5d21b13053d80f49d791d0c2e76;hb=65f2693a0948d1db0bc68d7656c64e1fed91c158;hp=3abb4fa381e53b6414def20953ad78f541798692;hpb=1602530f716ba1d425a0667b897182b99c374823;p=ginac.git

diff --git a/ginac/normal.h b/ginac/normal.h
index 3abb4fa3..deb69a97 100644
--- a/ginac/normal.h
+++ b/ginac/normal.h
@@ -6,7 +6,7 @@
  *  computation, square-free factorization and rational function normalization. */
 
 /*
- *  GiNaC Copyright (C) 1999-2009 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2015 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
@@ -85,8 +85,8 @@ extern ex sprem(const ex &a, const ex &b, const ex &x, bool check_args = true);
 extern bool divide(const ex &a, const ex &b, ex &q, bool check_args = true);
 
 // Polynomial GCD in Z[X], cofactors are returned in ca and cb, if desired
-extern ex gcd(const ex &a, const ex &b, ex *ca = NULL, ex *cb = NULL,
-	      bool check_args = true, unsigned options = 0);
+extern ex gcd(const ex &a, const ex &b, ex *ca = nullptr, ex *cb = nullptr,
+              bool check_args = true, unsigned options = 0);
 
 // Polynomial LCM in Z[X]
 extern ex lcm(const ex &a, const ex &b, bool check_args = true);