- implemented global class registry (for class basic and derived classes)

[ginac.git] / ginac / diff.cpp

diff --git a/ginac/diff.cpp b/ginac/diff.cpp
index afbbedabfa00b4bb04f2818c950ffde844bad22b..c3bd2395b223094eba3c51e8512431413b3a33ba 100644 (file)
--- a/ginac/diff.cpp
+++ b/ginac/diff.cpp
@@ -34,7 +34,7 @@
 #include "numeric.h"
 #include "power.h"
 #include "relational.h"
-#include "series.h"
+#include "pseries.h"
 #include "symbol.h"
 #include "utils.h"
 
@@ -200,9 +200,9 @@ ex function::diff(symbol const & s) const
 }
 
 
-/** Implementation of ex::diff() for a power-series. It treats the series as a polynomial.
+/** Implementation of ex::diff() for a power series. It treats the series as a polynomial.
  *  @see ex::diff */
-ex series::diff(symbol const & s) const
+ex pseries::diff(symbol const & s) const
 {
     if (s == var) {
         epvector new_seq;
@@ -219,7 +219,7 @@ ex series::diff(symbol const & s) const
             }
             it++;
         }
-        return series(var, point, new_seq);
+        return pseries(var, point, new_seq);
     } else {
         return *this;
     }