- rotate_31() and golden_hash_ratio() moved to utils.h

[ginac.git] / ginac / color.cpp

diff --git a/ginac/color.cpp b/ginac/color.cpp
index f905693e18947c1f0df3ccead73215318fec3d30..b59e4b4ce1a030b340b1a248a6be6d4b070ef34e 100644 (file)
--- a/ginac/color.cpp
+++ b/ginac/color.cpp
@@ -1,8 +1,9 @@
 /** @file color.cpp
  *
  *  Implementation of GiNaC's color objects.
- *  No real implementation yet, to be done.    
- *
+ *  No real implementation yet, to be done.     */
+
+/*
  *  GiNaC Copyright (C) 1999 Johannes Gutenberg University Mainz, Germany
  *
  *  This program is free software; you can redistribute it and/or modify
@@ -32,6 +33,9 @@
 #include "ncmul.h"
 #include "numeric.h"
 #include "relational.h"
+#include "debugmsg.h"
+
+namespace GiNaC {
 
 //////////
 // default constructor, destructor, copy constructor assignment operator and helpers
@@ -745,7 +749,7 @@ ex color_trace_of_one_representation_label(exvector const & v)
 
     v2.push_back(color_T(summation_index)); // don't care about the representation_label
     
-    // check this formula for SU(N) with N!=3 !!!!!!!!!
+    // FIXME: check this formula for SU(N) with N!=3
     return numeric(1)/numeric(2*COLOR_THREE)*color_delta8(next_to_last_index,last_index)
            % color_trace_of_one_representation_label(v1)
           +numeric(1)/numeric(2)*color_h(next_to_last_index,last_index,summation_index)
@@ -857,7 +861,7 @@ ex simplify_pure_color_string(ex const & e)
         }
     }
     
-    // TODO: higher contractions!!!!!!!!!!!!!
+    // FIXME: higher contractions
     
     return e;
 }
@@ -943,7 +947,7 @@ ex brute_force_sum_color_indices(ex const & e)
         
         // increment counter[]
         l=iv_double.size()-1;
-        while ((l>=0)&&((++counter[l])>COLOR_EIGHT)) {
+        while ((l>=0)&&((++counter[l])>(int)COLOR_EIGHT)) {
             counter[l]=1;    
             l--;
         }
@@ -961,15 +965,4 @@ void append_exvector_to_exvector(exvector & dest, exvector const & source)
     }
 }
 
-
-
-
-
-
-
-
-
-
-
-
-
+} // namespace GiNaC