MatrixObj: add IsPlistMatrixRep methods for [,] and [,]:=

gap-system · Jul 13, 2018 · c26305a · c26305a
1 parent ae37b13
commit c26305a
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/lib/matobjplist.gi b/lib/matobjplist.gi
@@ -811,6 +811,19 @@ InstallMethod( SetMatElm, "for a plist matrix, two positions, and an object",
     m![ROWSPOS][row]![ELSPOS][col] := ob;
   end );
 
+InstallMethod( \[\], "for a plist matrix and two positions",
+  [ IsPlistMatrixRep, IsPosInt, IsPosInt ],
+  function( m, row, col )
+    return m![ROWSPOS][row]![ELSPOS][col];
+  end );
+
+InstallMethod( \[\]\:\=, "for a plist matrix, two positions, and an object",
+  [ IsPlistMatrixRep and IsMutable, IsPosInt, IsPosInt, IsObject ],
+  function( m, row, col, ob )
+    m![ROWSPOS][row]![ELSPOS][col] := ob;
+  end );
+
+
 
 ############################################################################
 # Printing and viewing methods: