X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Fsymmetry.cpp;h=a07fbe7eb11ccce7b5c8edc8fb623884f1536757;hp=ab31838b18668d156cc751930579463796666948;hb=bf28c9f0b06f349b3a655ee7c152d9ab77a900b7;hpb=14937d28417386b405301c1d47fac257668cd731

diff --git a/ginac/symmetry.cpp b/ginac/symmetry.cpp
index ab31838b..a07fbe7e 100644
--- a/ginac/symmetry.cpp
+++ b/ginac/symmetry.cpp
@@ -24,9 +24,6 @@
 #include <functional>
 #include <algorithm>
 
-#define DO_GINAC_ASSERT
-#include "assertion.h"
-
 #include "symmetry.h"
 #include "lst.h"
 #include "numeric.h" // for factorial()
@@ -289,12 +286,15 @@ int canonicalize(exvector::iterator v, const symmetry &symm)
 	first = symm.children.begin();
 	switch (symm.type) {
 		case symmetry::symmetric:
+			// Sort the children in ascending order
 			shaker_sort(first, last, sy_is_less(v), sy_swap(v, something_changed));
 			break;
 		case symmetry::antisymmetric:
+			// Sort the children in ascending order, keeping track of the signum
 			sign *= permutation_sign(first, last, sy_is_less(v), sy_swap(v, something_changed));
 			break;
 		case symmetry::cyclic:
+			// Permute the smallest child to the front
 			cyclic_permutation(first, last, min_element(first, last, sy_is_less(v)), sy_swap(v, something_changed));
 			break;
 		default: