X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Fnumeric.h;h=a460d09989bf5db363c923da2bf6c85ff9718923;hp=01e2ad60677aeef26b725a9fd0aaa787d17fc186;hb=9eab44408b9213d8909b7a9e525f404ad06064dd;hpb=487e5659efe401683eee0381b0d23f967ffffc3c;ds=sidebyside

diff --git a/ginac/numeric.h b/ginac/numeric.h
index 01e2ad60..a460d099 100644
--- a/ginac/numeric.h
+++ b/ginac/numeric.h
@@ -25,12 +25,15 @@
 
 #include <strstream>
 #include <ginac/basic.h>
-
-#define HASHVALUE_NUMERIC 0x80000001U
+#include <ginac/ex.h>
 
 class cl_N;     // We want to include cln.h only in numeric.cpp in order to 
                 // avoid namespace pollution and keep compile-time low.
 
+namespace GiNaC {
+
+#define HASHVALUE_NUMERIC 0x80000001U
+
 /** This class is used to instantiate a global object Digits which
  *  behaves just like Maple's Digits.  We need an object rather than a
  *  dumber basic type since as a side-effect we let it change
@@ -318,7 +321,12 @@ ex PiEvalf(void);
 ex EulerGammaEvalf(void);
 ex CatalanEvalf(void);
 
-#define ex_to_numeric(X) static_cast<numeric const &>(*(X).bp)
+// utility functions
+inline const numeric &ex_to_numeric(const ex &e)
+{
+	return static_cast<const numeric &>(*e.bp);
+}
 
+} // namespace GiNaC
 
 #endif // ndef __GINAC_NUMERIC_H__