- fixed bug in normal(): normal(x^a) became (x^(-a))^(-1)

[ginac.git] / ginac / inifcns.h

diff --git a/ginac/inifcns.h b/ginac/inifcns.h
index 603edb3ec1854383f5cded07cbaf5d956d3828d7..176f67943ccbfecdb9af7fb7ba4f035aae790196 100644 (file)
--- a/ginac/inifcns.h
+++ b/ginac/inifcns.h
@@ -123,6 +123,12 @@ DECLARE_FUNCTION_2P(binomial)
 /** Order term function (for truncated power series). */
 DECLARE_FUNCTION_1P(Order)
 
 /** Order term function (for truncated power series). */
 DECLARE_FUNCTION_1P(Order)
 

+/** Inert differentiation. */
+DECLARE_FUNCTION_2P(Diff)
+
+/** Inert partial differentiation operator. */
+DECLARE_FUNCTION_2P(Derivative)
+

 ex lsolve(const ex &eqns, const ex &symbols);
 
 ex ncpower(const ex &basis, unsigned exponent);
 ex lsolve(const ex &eqns, const ex &symbols);
 
 ex ncpower(const ex &basis, unsigned exponent);