X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Fpower.h;h=86ba6c91dbb94db8bd0c5fb93be0989e61fea5e7;hp=0f8cdf67dff0f4ee635924302deeb44858ca9da6;hb=8e433a1e4ea5eec3ee913f596f11bc9ff26d8d10;hpb=e6dca6e2347de9341b95e0dd259eedf54c0baff4

diff --git a/ginac/power.h b/ginac/power.h
index 0f8cdf67..86ba6c91 100644
--- a/ginac/power.h
+++ b/ginac/power.h
@@ -30,6 +30,7 @@ namespace GiNaC {
 
 class numeric;
 class add;
+class mul;
 
 /** This class holds a two-component object, a basis and and exponent
  *  representing exponentiation. */