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-rw-r--r--lib/gs/contribs/othello/othello_adt.erl36
1 files changed, 18 insertions, 18 deletions
diff --git a/lib/gs/contribs/othello/othello_adt.erl b/lib/gs/contribs/othello/othello_adt.erl
index d1d3ec950b..fb60c30b89 100644
--- a/lib/gs/contribs/othello/othello_adt.erl
+++ b/lib/gs/contribs/othello/othello_adt.erl
@@ -1,19 +1,19 @@
%%
%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 1996-2009. All Rights Reserved.
-%%
+%%
+%% Copyright Ericsson AB 1996-2010. All Rights Reserved.
+%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
%% compliance with the License. You should have received a copy of the
%% Erlang Public License along with this software. If not, it can be
%% retrieved online at http://www.erlang.org/.
-%%
+%%
%% Software distributed under the License is distributed on an "AS IS"
%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
%% the License for the specific language governing rights and limitations
%% under the License.
-%%
+%%
%% %CopyrightEnd%
%%
@@ -375,29 +375,29 @@ is_good(Colour,H,Board) ->
false.
is_good_0(_,_,false,_) -> false;
-is_good_0(_,H,D,_) when integer(H), integer(D), H+D<0 -> false;
-is_good_0(_,H,D,_) when integer(H), integer(D), H+D>63 -> false;
-is_good_0(black,H,D,Board) when integer(H), integer(D) ->
+is_good_0(_,H,D,_) when is_integer(H), is_integer(D), H+D<0 -> false;
+is_good_0(_,H,D,_) when is_integer(H), is_integer(D), H+D>63 -> false;
+is_good_0(black,H,D,Board) when is_integer(H), is_integer(D) ->
case element((H+D)+1,Board) of
white -> is_good_1(black,H+D,dir(H+D,D),Board);
_ -> false
end;
-is_good_0(white,H,D,Board) when integer(H), integer(D) ->
+is_good_0(white,H,D,Board) when is_integer(H), is_integer(D) ->
case element((H+D)+1,Board) of
black -> is_good_1(white,H+D,dir(H+D,D),Board);
_ -> false
end.
is_good_1(_,_,false,_) -> false;
-is_good_1(_,H,D,_) when integer(H), integer(D), H+D<0 -> false;
-is_good_1(_,H,D,_) when integer(H), integer(D), H+D>63 -> false;
-is_good_1(black,H,D,Board) when integer(H), integer(D) ->
+is_good_1(_,H,D,_) when is_integer(H), is_integer(D), H+D<0 -> false;
+is_good_1(_,H,D,_) when is_integer(H), is_integer(D), H+D>63 -> false;
+is_good_1(black,H,D,Board) when is_integer(H), is_integer(D) ->
case element((H+D)+1,Board) of
white -> is_good_1(black,H+D,dir(H+D,D),Board);
black -> throw(true);
_ -> false
end;
-is_good_1(white,H,D,Board) when integer(H), integer(D) ->
+is_good_1(white,H,D,Board) when is_integer(H), is_integer(D) ->
case element((H+D)+1,Board) of
black -> is_good_1(white,H+D,dir(H+D,D),Board);
white -> throw(true);
@@ -429,15 +429,15 @@ turn(Colour,H,D,Board) ->
Board
end.
-turn_0(_,H,D,B) when integer(H), integer(D), H+D<0 -> B;
-turn_0(_,H,D,B) when integer(H), integer(D), H+D>63 -> B;
-turn_0(black,H,D,Board) when integer(H), integer(D) ->
+turn_0(_,H,D,B) when is_integer(H), is_integer(D), H+D<0 -> B;
+turn_0(_,H,D,B) when is_integer(H), is_integer(D), H+D>63 -> B;
+turn_0(black,H,D,Board) when is_integer(H), is_integer(D) ->
E = H+D,
case element(E+1,Board) of
white -> turn_0(black,H+D,D,swap(black,E,Board));
_ -> Board
end;
-turn_0(white,H,D,Board) when integer(H), integer(D) ->
+turn_0(white,H,D,Board) when is_integer(H), is_integer(D) ->
E = H+D,
case element(E+1,Board) of
black -> turn_0(white,H+D,D,swap(white,E,Board));
@@ -450,7 +450,7 @@ turn_0(white,H,D,Board) when integer(H), integer(D) ->
%% Neighbours are not changed !!
%%-------------------------------------------------------
-swap(Colour,Pos,Board) when integer(Pos) ->
+swap(Colour,Pos,Board) when is_integer(Pos) ->
setelement(Pos+1,Board,Colour).
score(Pos) -> score1({col(Pos),row(Pos)}).