- added documentation for the idx, coloridx and lorentzidx classes

[ginac.git] / ginac / color.cpp

diff --git a/ginac/color.cpp b/ginac/color.cpp
index 8e7ecda9e47486383709792dab6c503844071184..5a9229b189e0f2d075d1188a7799bcab9d564e1e 100644 (file)
--- a/ginac/color.cpp
+++ b/ginac/color.cpp
@@ -510,9 +510,9 @@ ex color::simplify_ncmul(const exvector & v) const
                                                *it1=numeric(40)/numeric(3);
                                                *it2=_ex1();
                                        } else {
-                                               int sig1, sig2; // unimportant, since symmetric
-                                               ex idx1=permute_free_index_to_front(col1.seq,iv_intersect,false,&sig1);
-                                               ex idx2=permute_free_index_to_front(col2.seq,iv_intersect,false,&sig2);
+                                               int dummy; // sign unimportant, since symmetric
+                                               ex idx1=permute_free_index_to_front(col1.seq,iv_intersect,&dummy);
+                                               ex idx2=permute_free_index_to_front(col2.seq,iv_intersect,&dummy);
                                                *it1=numeric(5)/numeric(3)*color(color_delta8,idx1,idx2);
                                                *it2=_ex1();
                                        }
@@ -538,8 +538,8 @@ ex color::simplify_ncmul(const exvector & v) const
                                                *it2=_ex1();
                                        } else {
                                                int sig1, sig2;
-                                               ex idx1=permute_free_index_to_front(col1.seq,iv_intersect,true,&sig1);
-                                               ex idx2=permute_free_index_to_front(col2.seq,iv_intersect,true,&sig2);
+                                               ex idx1=permute_free_index_to_front(col1.seq,iv_intersect,&sig1);
+                                               ex idx2=permute_free_index_to_front(col2.seq,iv_intersect,&sig2);
                                                *it1=numeric(sig1*sig2*5)/numeric(3)*color(color_delta8,idx1,idx2);
                                                *it2=_ex1();
                                        }
@@ -567,8 +567,8 @@ ex color::simplify_ncmul(const exvector & v) const
                                        const color & dref=ex_to_color(*it2);
                                        exvector iv_intersect=idx_intersect(dref.seq,iv);
                                        if (iv_intersect.size()==2) {
-                                               int sig; // unimportant, since symmetric
-                                               ex free_idx=permute_free_index_to_front(dref.seq,iv,false,&sig);
+                                               int dummy; // sign unimportant, since symmetric
+                                               ex free_idx=permute_free_index_to_front(dref.seq,iv,&dummy);
                                                *it1=color(color_T,free_idx,rl);
                                                *(it1+1)=color(color_ONE,rl);
                                                *it2=numeric(5)/numeric(6);
@@ -584,7 +584,7 @@ ex color::simplify_ncmul(const exvector & v) const
                                        exvector iv_intersect=idx_intersect(fref.seq,iv);
                                        if (iv_intersect.size()==2) {
                                                int sig;
-                                               ex free_idx=permute_free_index_to_front(fref.seq,iv,true,&sig);
+                                               ex free_idx=permute_free_index_to_front(fref.seq,iv,&sig);
                                                *it1=color(color_T,free_idx,rl);
                                                *(it1+1)=color(color_ONE,rl);
                                                *it2=numeric(sig*3)/numeric(2)*I;