- 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 88b7d9537c91f63600c1ddb3cd9c154b974456ff..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 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);
 numeric psi(numeric const & n, numeric const & x);
 numeric factorial(numeric const & n);
 numeric doublefactorial(numeric const & n);