- changed function::diff() to be more tolerant by checking first if the

[ginac.git] / ginac / numeric.h

diff --git a/ginac/numeric.h b/ginac/numeric.h
index b1f4871805b5d02d7f4d64dec61dc51d4d933e1a..13c790fc6a754e2f939d8e4d6e2c47efc57fc1aa 100644 (file)
--- a/ginac/numeric.h
+++ b/ginac/numeric.h
@@ -241,6 +241,7 @@ numeric acosh(numeric const & x);
 numeric atanh(numeric const & x);
 numeric zeta(numeric const & x);
 numeric gamma(numeric const & x);
+numeric psi(numeric const & x);
 numeric psi(numeric const & n, numeric const & x);
 numeric factorial(numeric const & n);
 numeric doublefactorial(numeric const & n);
@@ -316,14 +317,6 @@ inline numeric numer(numeric const & x)
 inline numeric denom(numeric const & x)
 { return x.denom(); }
 
-/* do we need this any more? */
-//inline numeric factorial(int n)
-//{ return factorial(numeric(n)); }
-
-/* do we need this any more? */
-//inline numeric binomial(int n, int k)
-//{ return binomial(numeric(n), numeric(k)); }
-
 ex IEvalf(void);
 ex PiEvalf(void);
 ex EulerGammaEvalf(void);