fixed bug in mul::print with print_csrc

diff --git a/ginac/mul.cpp b/ginac/mul.cpp
index 75f74b4ba2cb7d06fc1ce969f4072ba7e4494618..efc207bb90c91d22e72a5707b499e1a8ddf2236d 100644 (file)
--- a/ginac/mul.cpp
+++ b/ginac/mul.cpp
@@ -136,7 +136,8 @@ void mul::print(const print_context & c, unsigned level) const
 
        } else if (is_of_type(c, print_csrc)) {
 
 
        } else if (is_of_type(c, print_csrc)) {
 

-               c.s << "(";
+               if (precedence <= level)
+                       c.s << "(";

 
                if (!overall_coeff.is_equal(_ex1())) {
                        overall_coeff.bp->print(c, precedence);
 
                if (!overall_coeff.is_equal(_ex1())) {
                        overall_coeff.bp->print(c, precedence);