X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Fpseries.cpp;h=0e1f183322c47114404c1c4c7b502f6cc44d68f4;hp=db7cef30d8bfe44234658770726822c578271385;hb=04aace56d3d2ca82be59460bf1922600ae43449a;hpb=38e6775ed4f33912f3d23ebd0291373a275be86e

diff --git a/ginac/pseries.cpp b/ginac/pseries.cpp
index db7cef30..0e1f1833 100644
--- a/ginac/pseries.cpp
+++ b/ginac/pseries.cpp
@@ -489,6 +489,34 @@ ex pseries::eval_integ() const
 	return *this;
 }
 
+ex pseries::evalm() const
+{
+	// evalm each coefficient
+	epvector newseq;
+	bool something_changed = false;
+	for (epvector::const_iterator i=seq.begin(); i!=seq.end(); ++i) {
+		if (something_changed) {
+			ex newcoeff = i->rest.evalm();
+			if (!newcoeff.is_zero())
+				newseq.push_back(expair(newcoeff, i->coeff));
+		}
+		else {
+			ex newcoeff = i->rest.evalm();
+			if (!are_ex_trivially_equal(newcoeff, i->rest)) {
+				something_changed = true;
+				newseq.reserve(seq.size());
+				std::copy(seq.begin(), i, std::back_inserter<epvector>(newseq));
+				if (!newcoeff.is_zero())
+					newseq.push_back(expair(newcoeff, i->coeff));
+			}
+		}
+	}
+	if (something_changed)
+		return (new pseries(var==point, newseq))->setflag(status_flags::dynallocated);
+	else
+		return *this;
+}
+
 ex pseries::subs(const exmap & m, unsigned options) const
 {
 	// If expansion variable is being substituted, convert the series to a