degree(), ldegree(), coeff(), lcoeff(), tcoeff() and collect() can now

[ginac.git] / ginac / mul.cpp

diff --git a/ginac/mul.cpp b/ginac/mul.cpp
index e156a0fff00c5ad50ff05a91cd77e2fcde1721ea..a00c9c928ed96436cc3d932a3479fc97897014ce 100644 (file)
--- a/ginac/mul.cpp
+++ b/ginac/mul.cpp
@@ -247,7 +247,7 @@ bool mul::info(unsigned inf) const
        return inherited::info(inf);
 }
 
-int mul::degree(const symbol & s) const
+int mul::degree(const ex & s) const
 {
        int deg_sum = 0;
        for (epvector::const_iterator cit=seq.begin(); cit!=seq.end(); ++cit) {
@@ -257,7 +257,7 @@ int mul::degree(const symbol & s) const
        return deg_sum;
 }
 
-int mul::ldegree(const symbol & s) const
+int mul::ldegree(const ex & s) const
 {
        int deg_sum = 0;
        for (epvector::const_iterator cit=seq.begin(); cit!=seq.end(); ++cit) {
@@ -267,7 +267,7 @@ int mul::ldegree(const symbol & s) const
        return deg_sum;
 }
 
-ex mul::coeff(const symbol & s, int n) const
+ex mul::coeff(const ex & s, int n) const
 {
        exvector coeffseq;
        coeffseq.reserve(seq.size()+1);