- Banned exZERO(), exONE(), exMINUSHALF() and all this from the interface.

[ginac.git] / ginac / relational.cpp

diff --git a/ginac/relational.cpp b/ginac/relational.cpp
index 19a2e3a280ac795844b7620bf29da645c6f38ee6..614c1629c11382ab66db911d07a5c02bcc9a59a1 100644 (file)
--- a/ginac/relational.cpp
+++ b/ginac/relational.cpp
@@ -25,6 +25,7 @@
 #include "relational.h"
 #include "numeric.h"
 #include "debugmsg.h"
+#include "utils.h"
 
 #ifndef NO_GINAC_NAMESPACE
 namespace GiNaC {
@@ -330,7 +331,7 @@ relational::operator bool() const
     if (!is_ex_exactly_of_type(df,numeric)) {
         return o==not_equal ? true : false; // cannot decide on non-numerical results
     }
-    int cmpval=ex_to_numeric(df).compare(numZERO());
+    int cmpval=ex_to_numeric(df).compare(_num0());
     switch (o) {
     case equal:
         return cmpval==0;