#ifndef around namespace GiNaC { }

[ginac.git] / ginac / numeric.cpp

diff --git a/ginac/numeric.cpp b/ginac/numeric.cpp
index bb2762a2e0cbfa58996689800f6aa077b0bd6579..4ab0c1758eed5562ad000b7850602aabbbe3806c 100644 (file)
--- a/ginac/numeric.cpp
+++ b/ginac/numeric.cpp
@@ -40,7 +40,9 @@
 #include <cln.h>
 #endif
 
+#ifndef NO_GINAC_NAMESPACE
 namespace GiNaC {
+#endif // ndef NO_GINAC_NAMESPACE
 
 // linker has no problems finding text symbols for numerator or denominator
 //#define SANE_LINKER
@@ -1084,6 +1086,14 @@ numeric gamma(numeric const & x)
 
 /** The psi function (aka polygamma function).
  *  This is only a stub! */
+numeric psi(numeric const & x)
+{
+    clog << "psi(): Does anybody know good way to calculate this numerically?" << endl;
+    return numeric(0);
+}
+
+/** The psi functions (aka polygamma functions).
+ *  This is only a stub! */
 numeric psi(numeric const & n, numeric const & x)
 {
     clog << "psi(): Does anybody know good way to calculate this numerically?" << endl;
@@ -1445,4 +1455,6 @@ bool _numeric_digits::too_late = false;
  *  assignment from C++ unsigned ints and evaluated like any built-in type. */
 _numeric_digits Digits;
 
+#ifndef NO_GINAC_NAMESPACE
 } // namespace GiNaC
+#endif // ndef NO_GINAC_NAMESPACE