diff options
| author | Björn Gustavsson <[email protected]> | 2016-06-20 13:25:04 +0200 |
|---|---|---|
| committer | Björn Gustavsson <[email protected]> | 2016-09-05 11:49:13 +0200 |
| commit | 986d32a62b20c32338dac4dfd27c141c8f9be0fe (patch) | |
| tree | 8c913024f55a7aec281c3f72f630f6aaf52b8bae /erts/doc | |
| parent | 5dba22121d77237edae5cf805b9da5f7e056e532 (diff) | |
| download | otp-986d32a62b20c32338dac4dfd27c141c8f9be0fe.tar.gz otp-986d32a62b20c32338dac4dfd27c141c8f9be0fe.tar.bz2 otp-986d32a62b20c32338dac4dfd27c141c8f9be0fe.zip | |
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/doc')
| -rw-r--r-- | erts/doc/src/erlang.xml | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/erts/doc/src/erlang.xml b/erts/doc/src/erlang.xml index d0a3a77e43..18a7a5b777 100644 --- a/erts/doc/src/erlang.xml +++ b/erts/doc/src/erlang.xml @@ -718,6 +718,19 @@ Z = erlang:adler32_combine(X,Y,iolist_size(Data2)).</code> </func> <func> + <name name="ceil" arity="1"/> + <fsummary>Returns the smallest integer not less than the argument</fsummary> + <desc> + <p>Returns the smallest integer not less than + <c><anno>Number</anno></c>. + For example:</p> + <pre> +> <input>ceil(5.5).</input> +6</pre> + <p>Allowed in guard tests.</p> + </desc> + </func> + <func> <name name="check_old_code" arity="1"/> <fsummary>Check if a module has old code.</fsummary> <desc> @@ -1465,6 +1478,20 @@ true</pre> </func> <func> + <name name="floor" arity="1"/> + <fsummary>Returns the largest integer not greater than the argument</fsummary> + <desc> + <p>Returns the largest integer not greater than + <c><anno>Number</anno></c>. + For example:</p> + <pre> +> <input>floor(-10.5).</input> +-11</pre> + <p>Allowed in guard tests.</p> + </desc> + </func> + + <func> <name name="fun_info" arity="1"/> <fsummary>Information about a fun.</fsummary> <desc> |