X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Fexpairseq.cpp;h=bff206f9b42c5f2c4329f704d2a4400da010658c;hp=8e9594b6e312b640775ad59fd8d0cb8e66b8592a;hb=36ffb97c48fbbd3acb2b1aa305872e00a4456dc4;hpb=f8cd4812fd1a238d85c183ac7c01a2ee9e7fd00b

diff --git a/ginac/expairseq.cpp b/ginac/expairseq.cpp
index 8e9594b6..bff206f9 100644
--- a/ginac/expairseq.cpp
+++ b/ginac/expairseq.cpp
@@ -285,7 +285,7 @@ ex expairseq::op(size_t i) const
 ex expairseq::map(map_function &f) const
 {
 	std::auto_ptr<epvector> v(new epvector);
-	v->reserve(seq.size());
+	v->reserve(seq.size()+1);
 
 	epvector::const_iterator cit = seq.begin(), last = seq.end();
 	while (cit != last) {
@@ -295,8 +295,15 @@ ex expairseq::map(map_function &f) const
 
 	if (overall_coeff.is_equal(default_overall_coeff()))
 		return thisexpairseq(v, default_overall_coeff(), true);
-	else
-		return thisexpairseq(v, f(overall_coeff), true);
+	else {
+		ex newcoeff = f(overall_coeff);
+		if(is_a<numeric>(newcoeff))
+			return thisexpairseq(v, newcoeff, true);
+		else {
+			v->push_back(split_ex_to_pair(newcoeff));
+			return thisexpairseq(v, default_overall_coeff(), true);
+		}
+	}
 }
 
 /** Perform coefficient-wise automatic term rewriting rules in this class. */