Better keep track of the type of operations added to a category

CAP/PackageInfo.g

@@ -10,7 +10,7 @@ SetPackageInfo( rec(
 
 PackageName := "CAP",
 Subtitle := "Categories, Algorithms, Programming",
-Version := "2024.09-29",
+Version := "2024.10-01",
 Date := (function ( ) if IsBound( GAPInfo.SystemEnvironment.GAP_PKG_RELEASE_DATE ) then return GAPInfo.SystemEnvironment.GAP_PKG_RELEASE_DATE; else return Concatenation( ~.Version{[ 1 .. 4 ]}, "-", ~.Version{[ 6, 7 ]}, "-01" ); fi; end)( ),
 License := "GPL-2.0-or-later",
 

CAP/gap/CAP.gd

@@ -584,6 +584,16 @@ DeclareOperation( "CanCompute",
                   [ IsCapCategory, IsFunction ] );
 #! @EndGroup
 
+#! @Description
+#!  Returns the weight of the operation currently installed as <A>op_name</A> in <A>cat</A>.
+#! @Returns an integer
+#! @Arguments cat, op_name
+DeclareOperation( "OperationWeight",
+                  [ IsCapCategory, IsString ] );
+
+DeclareGlobalFunction( "ListInstalledOperationsOfCategory" );
+DeclareGlobalFunction( "ListPrimitivelyInstalledOperationsOfCategory" );
+
 #! @Description
 #! The arguments are a category $C$ and a string $s$.
 #! If $s$ is a categorical property (e.g. <C>"IsAbelianCategory"</C>),

CAP/gap/CAP.gi

@@ -298,10 +298,10 @@
 
     od;
 
-    obj!.primitive_operations := rec( );
-
     obj!.added_functions := rec( );
 
+    obj!.operations := rec( );
+
     obj!.timing_statistics := rec( );
     obj!.timing_statistics_enabled := false;
 
@@ -599,9 +599,7 @@
 
     fi;
 
-    weight_list := category!.derivations_weight_list;
-
-    return CurrentOperationWeight( weight_list, string ) <> infinity;
+    return IsBound( category!.operations.(string) );
 
 end );
 
@@ -617,6 +615,70 @@
 
 end );
 
+##
+InstallMethod( OperationWeight,
+               [ IsCapCategory, IsString ],
+
+  function( category, op_name )
+
+    return category!.operations.(op_name).weight;
+
+end );
+
+##
+InstallGlobalFunction( ListInstalledOperationsOfCategory,
+
+  function( arg )
+    local cat, filter, names;
+
+    if Length( arg ) < 1 then
+        Error( "first argument needs to be <category>" );
+    fi;
+
+    cat := arg[ 1 ];
+
+    if Length( arg ) > 1 then
+        filter := arg[ 2 ];
+    else
+        filter := fail;
+    fi;
+
+    if IsCapCategoryCell( cat ) then
+        cat := CapCategory( cat );
+    fi;
+
+    if not IsCapCategory( cat ) then
+        Error( "input is not a category (cell)" );
+    fi;
+
+    names := RecNames( cat!.operations );
+
+    if filter <> fail then
+        names := Filtered( names, i -> PositionSublist( i, filter ) <> fail );
+    fi;
+
+    return AsSortedList( names );
+
+end );
+
+##
+InstallGlobalFunction( ListPrimitivelyInstalledOperationsOfCategory,
+
+  function( arg )
+    local cat, names;
+
+    if Length( arg ) < 1 then
+        Error( "first argument needs to be <category>" );
+    fi;
+
+    cat := arg[ 1 ];
+
+    names := CallFuncList( ListInstalledOperationsOfCategory, arg );
+
+    return Filtered( names, x -> cat!.operations.(x).type = "primitive_installation" );
+
+end );
+
 ##
 InstallMethod( MissingOperationsForConstructivenessOfCategory,
                [ IsCapCategory, IsString ],

CAP/gap/Derivations.gd

@@ -238,12 +238,12 @@ DeclareOperation( "OperationWeightUsingDerivation",
 DeclareOperation( "DerivationOfOperation", [ IsOperationWeightList, IsString ] );
 
 #! @Description
-#!  Performs a search from the operation <A>op_name</A>, and installs all derivations
+#!  Performs a search from the operation <A>op_name</A>, and triggers all derivations
 #!  that give improvements over the current state.
-#!  This is used internally by <C>AddPrimitiveOperation</C> and <C>Reevaluate</C>.
+#!  This is used internally by <C>TriggerAllDerivations</C> and <C>Reevaluate</C>.
 #!  It should normally not be necessary to call this function directly.
 #! @Arguments owl, op_name
-DeclareOperation( "InstallDerivationsUsingOperation",
+DeclareOperation( "TriggerDerivationsUsingOperation",
                   [ IsOperationWeightList, IsString ] );
 
 #! @Description
@@ -264,9 +264,6 @@ DeclareOperation( "Saturate", [ IsOperationWeightList ] );
 #! @Description
 #!  Add the operation named <A>op_name</A> to the operation weight list <A>owl</A>
 #!  with weight <A>weight</A>.
-#!  This causes all operations that can be derived, directly or indirectly,
-#!  from the newly added operation to be installed as well
-#!  (unless they are already installed with the same or lower weight).
 #! @Arguments owl, op_name, weight
 DeclareOperation( "AddPrimitiveOperation", [ IsOperationWeightList, IsString, IsInt ] );
 
@@ -283,6 +280,26 @@ DeclareOperation( "PrintTree", [ IsObject, IsFunction, IsFunction ] );
 DeclareOperation( "PrintTreeRec",
                   [ IsObject, IsFunction, IsFunction, IsInt ] );
 
+#################################
+##
+## Final derivations
+##
+#################################
+
+DeclareGlobalVariable( "CAP_INTERNAL_FINAL_DERIVATION_LIST" );
+
+DeclareGlobalFunction( "AddFinalDerivation" );
+
+DeclareGlobalFunction( "AddFinalDerivationBundle" );
+
+#################################
+##
+## Triggering derivations
+##
+#################################
+
+DeclareGlobalFunction( "TriggerAllDerivations" );
+
 #################################
 ##
 ## Some print functions
@@ -291,6 +308,3 @@ DeclareOperation( "PrintTreeRec",
 
 DeclareGlobalFunction( "InstalledMethodsOfCategory" );
 DeclareGlobalFunction( "DerivationsOfMethodByCategory" );
-
-DeclareGlobalFunction( "ListInstalledOperationsOfCategory" );
-DeclareGlobalFunction( "ListPrimitivelyInstalledOperationsOfCategory" );