some cleanups

[ginac.git] / ginac / power.cpp

diff --git a/ginac/power.cpp b/ginac/power.cpp
index 76c72acc58160379f1a17b015f04e282a85deedd..227da2fb261045fc7556d38e02ebad91598c45c8 100644 (file)
--- a/ginac/power.cpp
+++ b/ginac/power.cpp
@@ -787,8 +787,10 @@ ex power::expand_add_2(const add & a) const
        
        // second part: add terms coming from overall_factor (if != 0)
        if (!a.overall_coeff.is_zero()) {
-               for (epvector::const_iterator cit=a.seq.begin(); cit!=a.seq.end(); ++cit) {
-                       sum.push_back(a.combine_pair_with_coeff_to_pair(*cit,ex_to<numeric>(a.overall_coeff).mul_dyn(_num2())));
+               epvector::const_iterator i = a.seq.begin(), end = a.seq.end();
+               while (i != end) {
+                       sum.push_back(a.combine_pair_with_coeff_to_pair(*i, ex_to<numeric>(a.overall_coeff).mul_dyn(_num2())));
+                       ++i;
                }
                sum.push_back(expair(ex_to<numeric>(a.overall_coeff).power_dyn(_num2()),_ex1()));
        }