- architectural checkpoint for zeta-function.

[ginac.git] / ginac / numeric.h

diff --git a/ginac/numeric.h b/ginac/numeric.h
index a460d09989bf5db363c923da2bf6c85ff9718923..92755b3eb390978e263646552a15fec02a0a54de 100644 (file)
--- a/ginac/numeric.h
+++ b/ginac/numeric.h
@@ -170,6 +170,7 @@ public:
     numeric power_dyn(numeric const & other) const { return power(other); }
     */
     numeric inverse(void) const;
+    int csgn(void) const;
     int compare(numeric const & other) const;
     bool is_equal(numeric const & other) const;
     bool is_zero(void) const;
@@ -237,7 +238,9 @@ numeric tanh(numeric const & x);
 numeric asinh(numeric const & x);
 numeric acosh(numeric const & x);
 numeric atanh(numeric const & x);
+numeric zeta(numeric const & x);
 numeric gamma(numeric const & x);
+numeric psi(numeric const & n, numeric const & x);
 numeric factorial(numeric const & n);
 numeric doublefactorial(numeric const & n);
 numeric binomial(numeric const & n, numeric const & k);
@@ -266,6 +269,9 @@ struct numeric_fail
 inline numeric inverse(numeric const & x)
 { return x.inverse(); }
 
+inline bool csgn(numeric const & x)
+{ return x.csgn(); }
+
 inline bool is_zero(numeric const & x)
 { return x.is_zero(); }