Support for non-commuting fieldsv1.3

1 files changed, 4 insertions, 0 deletions

diff --git a/src/fields.h b/src/fields.h
index 3795d92..b6f05c2 100644
--- a/src/fields.h
+++ b/src/fields.h
@@ -29,6 +29,8 @@ int free_Fields_Table(Fields_Table fields);
 int field_type(int index, Fields_Table fields);
 // check whether a field anticommutes
 int is_fermion(int index, Fields_Table fields);
+// check whether a field is non-commuting
+int is_noncommuting(int index, Fields_Table fields);
 
 
 // init
@@ -51,6 +53,8 @@ int identities_concat(Identities input, Identities* output);
 
 // resolve the identities
 int resolve_ids(Polynomial* polynomial, Fields_Table fields);
+// check whether an array is a sub-array of another, support for noncommuting elements
+int int_array_is_subarray_noncommuting(Int_Array input, Int_Array test_array, Fields_Table fields);
 
 
 // init