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authorBjörn Gustavsson <[email protected]>2016-06-20 13:25:04 +0200
committerBjörn Gustavsson <[email protected]>2016-09-05 11:49:13 +0200
commit986d32a62b20c32338dac4dfd27c141c8f9be0fe (patch)
tree8c913024f55a7aec281c3f72f630f6aaf52b8bae /erts/preloaded/src
parent5dba22121d77237edae5cf805b9da5f7e056e532 (diff)
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Implement the new ceil/1 and floor/1 guard BIFs
Implement as ceil/1 and floor/1 as new guard BIFs (essentially part of Erlang language). They are guard BIFs because trunc/1 is a guard BIF. It would be strange to have trunc/1 as a part of the language, but not ceil/1 and floor/1.
Diffstat (limited to 'erts/preloaded/src')
-rw-r--r--erts/preloaded/src/erlang.erl19
1 files changed, 17 insertions, 2 deletions
diff --git a/erts/preloaded/src/erlang.erl b/erts/preloaded/src/erlang.erl
index 652a954807..5bd73fe44d 100644
--- a/erts/preloaded/src/erlang.erl
+++ b/erts/preloaded/src/erlang.erl
@@ -100,7 +100,8 @@
-export([binary_to_list/3, binary_to_term/1, binary_to_term/2]).
-export([bit_size/1, bitsize/1, bitstring_to_list/1]).
-export([bump_reductions/1, byte_size/1, call_on_load_function/1]).
--export([cancel_timer/1, cancel_timer/2, check_old_code/1, check_process_code/2,
+-export([cancel_timer/1, cancel_timer/2, ceil/1,
+ check_old_code/1, check_process_code/2,
check_process_code/3, crc32/1]).
-export([crc32/2, crc32_combine/3, date/0, decode_packet/3]).
-export([delete_element/2]).
@@ -109,7 +110,7 @@
-export([error/1, error/2, exit/1, exit/2, external_size/1]).
-export([external_size/2, finish_after_on_load/2, finish_loading/1, float/1]).
-export([float_to_binary/1, float_to_binary/2,
- float_to_list/1, float_to_list/2]).
+ float_to_list/1, float_to_list/2, floor/1]).
-export([fun_info/2, fun_info_mfa/1, fun_to_list/1, function_exported/3]).
-export([garbage_collect/0, garbage_collect/1, garbage_collect/2]).
-export([garbage_collect_message_area/0, get/0, get/1, get_keys/0, get_keys/1]).
@@ -474,6 +475,13 @@ cancel_timer(_TimerRef) ->
cancel_timer(_TimerRef, _Options) ->
erlang:nif_error(undefined).
+%% ceil/1
+%% Shadowed by erl_bif_types: erlang:ceil/1
+-spec ceil(Number) -> integer() when
+ Number :: number().
+ceil(_) ->
+ erlang:nif_error(undef).
+
%% check_old_code/1
-spec check_old_code(Module) -> boolean() when
Module :: module().
@@ -837,6 +845,13 @@ float_to_list(_Float) ->
float_to_list(_Float, _Options) ->
erlang:nif_error(undefined).
+%% floor/1
+%% Shadowed by erl_bif_types: erlang:floor/1
+-spec floor(Number) -> integer() when
+ Number :: number().
+floor(_) ->
+ erlang:nif_error(undef).
+
%% fun_info/2
-spec erlang:fun_info(Fun, Item) -> {Item, Info} when
Fun :: function(),