Add step function to GiNaCs built-in functions.

[ginac.git] / ginac / inifcns.h

diff --git a/ginac/inifcns.h b/ginac/inifcns.h
index 05043819e9deeceb6a42d54cc03c5140238399e9..0e13a040f1b42d85644e4525fd227ca11eda9c4c 100644 (file)
--- a/ginac/inifcns.h
+++ b/ginac/inifcns.h
@@ -35,6 +35,9 @@ DECLARE_FUNCTION_1P(conjugate_function)
 /** Absolute value. */
 DECLARE_FUNCTION_1P(abs)
        
+/** Step function. */
+DECLARE_FUNCTION_1P(step)
+
 /** Complex sign. */
 DECLARE_FUNCTION_1P(csgn)