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

[ginac.git] / ginac / add.cpp

diff --git a/ginac/add.cpp b/ginac/add.cpp
index 150b4f8222d0df346dd357b104656f9fd70aaf15..7d73c306e980340cb1a52a50cbdb6a7a1938cc21 100644 (file)
--- a/ginac/add.cpp
+++ b/ginac/add.cpp
@@ -240,7 +240,7 @@ bool add::info(unsigned inf) const
        return inherited::info(inf);
 }
 
-int add::degree(const symbol & s) const
+int add::degree(const ex & s) const
 {
        int deg = INT_MIN;
        if (!overall_coeff.is_equal(_ex0()))
@@ -255,7 +255,7 @@ int add::degree(const symbol & s) const
        return deg;
 }
 
-int add::ldegree(const symbol & s) const
+int add::ldegree(const ex & s) const
 {
        int deg = INT_MAX;
        if (!overall_coeff.is_equal(_ex0()))
@@ -269,7 +269,7 @@ int add::ldegree(const symbol & s) const
        return deg;
 }
 
-ex add::coeff(const symbol & s, int n) const
+ex add::coeff(const ex & s, int n) const
 {
        epvector coeffseq;
        coeffseq.reserve(seq.size());