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authorLouis Pilfold <louis@lpil.uk>2019-04-22 22:55:03 +0000
committerLouis Pilfold <louis@lpil.uk>2019-04-22 22:55:03 +0000
commitd2b072e4deaf9bfa4a458ec324f83cae08890043 (patch)
tree584fa892c88b57354004792dcb270818113cf07b /gen
parent8797d27e0801d37a6082ce54dac9f9d5cb01ec6c (diff)
downloadgleam_stdlib-d2b072e4deaf9bfa4a458ec324f83cae08890043.tar.gz
gleam_stdlib-d2b072e4deaf9bfa4a458ec324f83cae08890043.zip
float:truncate
Diffstat (limited to 'gen')
-rw-r--r--gen/src/float.erl5
-rw-r--r--gen/test/float_test.erl10
2 files changed, 13 insertions, 2 deletions
diff --git a/gen/src/float.erl b/gen/src/float.erl
index f9e4064..cd1385c 100644
--- a/gen/src/float.erl
+++ b/gen/src/float.erl
@@ -1,7 +1,7 @@
-module(float).
-compile(no_auto_import).
--export([parse/1, to_string/1, ceiling/1, floor/1, round/1]).
+-export([parse/1, to_string/1, ceiling/1, floor/1, round/1, truncate/1]).
parse(A) ->
gleam__stdlib:parse_float(A).
@@ -17,3 +17,6 @@ floor(A) ->
round(A) ->
erlang:round(A).
+
+truncate(A) ->
+ erlang:trunc(A).
diff --git a/gen/test/float_test.erl b/gen/test/float_test.erl
index ecd210b..36eb3ad 100644
--- a/gen/test/float_test.erl
+++ b/gen/test/float_test.erl
@@ -1,7 +1,7 @@
-module(float_test).
-compile(no_auto_import).
--export([parse_test/0, to_string_test/0, ceiling_test/0, floor_test/0, round_test/0]).
+-export([parse_test/0, to_string_test/0, ceiling_test/0, floor_test/0, round_test/0, truncate_test/0]).
parse_test() ->
expect:equal(float:parse(<<"1.23">>), {ok, 1.23}),
@@ -32,3 +32,11 @@ round_test() ->
expect:equal(float:round(8.5), 9),
expect:equal(float:round(-8.1), -8),
expect:equal(float:round(-7.5), -8).
+
+truncate_test() ->
+ expect:equal(float:truncate(8.1), 8),
+ expect:equal(float:truncate(8.4), 8),
+ expect:equal(float:truncate(8.499), 8),
+ expect:equal(float:truncate(8.5), 8),
+ expect:equal(float:truncate(-8.1), -8),
+ expect:equal(float:truncate(-7.5), -7).