- building GiNaC will no longer bomb if Doxygen is not present

[ginac.git] / ginac / diff.cpp

diff --git a/ginac/diff.cpp b/ginac/diff.cpp
index dec8dc7d590fce307de4fe0136e4bab5ed33b836..7b4d489b76b6dc1a51e572c9326657282411f5d7 100644 (file)
--- a/ginac/diff.cpp
+++ b/ginac/diff.cpp
@@ -37,6 +37,8 @@
 #include "series.h"
 #include "symbol.h"
 
+namespace GiNaC {
+
 /** Default implementation of ex::diff(). It prints and error message and returns a fail object.
  *  @see ex::diff */
 ex basic::diff(symbol const & s) const
@@ -198,7 +200,7 @@ ex series::diff(symbol const & s) const
         epvector new_seq;
         epvector::const_iterator it = seq.begin(), itend = seq.end();
         
-        //!! coeff might depend on var
+        // FIXME: coeff might depend on var
         while (it != itend) {
             if (is_order_function(it->rest)) {
                 new_seq.push_back(expair(it->rest, it->coeff - 1));
@@ -224,7 +226,7 @@ ex series::diff(symbol const & s) const
 
 ex ex::diff(symbol const & s, unsigned nth) const
 {
-    ASSERT(bp!=0);
+    GINAC_ASSERT(bp!=0);
 
     if ( nth==0 ) {
         return *this;
@@ -237,3 +239,5 @@ ex ex::diff(symbol const & s, unsigned nth) const
     }
     return ndiff;
 }
+
+} // namespace GiNaC