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| author | Lukas Larsson <[email protected]> | 2013-02-08 18:23:22 +0100 |
|---|---|---|
| committer | Lukas Larsson <[email protected]> | 2013-02-14 15:36:50 +0100 |
| commit | 5279b3af4efee5d3e7d9755f0f06bd7b0f5dd05c (patch) | |
| tree | 38f02e7cf916d1a2b80611c5ae9ec68f4c063355 /erts/preloaded/src/erlang.erl | |
| parent | b074099cc6bdb81285a17e0248373f199c695719 (diff) | |
| download | otp-5279b3af4efee5d3e7d9755f0f06bd7b0f5dd05c.tar.gz otp-5279b3af4efee5d3e7d9755f0f06bd7b0f5dd05c.tar.bz2 otp-5279b3af4efee5d3e7d9755f0f06bd7b0f5dd05c.zip | |
Add float_to_binary and binary_to_float
Diffstat (limited to 'erts/preloaded/src/erlang.erl')
| -rw-r--r-- | erts/preloaded/src/erlang.erl | 31 |
1 files changed, 27 insertions, 4 deletions
diff --git a/erts/preloaded/src/erlang.erl b/erts/preloaded/src/erlang.erl index 744527aeff..8e4a471a82 100644 --- a/erts/preloaded/src/erlang.erl +++ b/erts/preloaded/src/erlang.erl @@ -74,7 +74,7 @@ -export([adler32/1, adler32/2, adler32_combine/3, append_element/2]). -export([atom_to_binary/2, atom_to_list/1, binary_part/2, binary_part/3]). --export([binary_to_atom/2, binary_to_existing_atom/2]). +-export([binary_to_atom/2, binary_to_existing_atom/2, binary_to_float/1]). -export([binary_to_integer/1,binary_to_integer/2]). -export([binary_to_list/1]). -export([binary_to_list/3, binary_to_term/1, binary_to_term/2]). @@ -87,7 +87,8 @@ -export([display_nl/0, display_string/1, dist_exit/3, erase/0, erase/1]). -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_list/1, float_to_list/2]). +-export([float_to_binary/1, float_to_binary/2, + float_to_list/1, float_to_list/2]). -export([fun_info/2, fun_to_list/1, function_exported/3]). -export([garbage_collect/0, garbage_collect/1]). -export([garbage_collect_message_area/0, get/0, get/1, get_keys/1]). @@ -322,6 +323,12 @@ binary_to_atom(_Binary, _Encoding) -> binary_to_existing_atom(_Binary, _Encoding) -> erlang:nif_error(undefined). +%% binary_to_float/1 +-spec binary_to_float(Binary) -> float() when + Binary :: binary(). +binary_to_float(_Binary) -> + erlang:nif_error(undefined). + %% binary_to_integer/1 -spec binary_to_integer(Binary) -> integer() when Binary :: binary(). @@ -724,6 +731,22 @@ finish_after_on_load(_P1, _P2) -> float(_Number) -> erlang:nif_error(undefined). +%% float_to_binary/1 +-spec float_to_binary(Float) -> binary() when + Float :: float(). +float_to_binary(_Float) -> + erlang:nif_error(undefined). + +%% float_to_binary/2 +-spec float_to_binary(Float, Options) -> binary() when + Float :: float(), + Options :: [Option], + Option :: {decimals, Decimals :: 0..253} | + {scientific, Decimals :: 0..249} | + compact. +float_to_binary(_Float, _Options) -> + erlang:nif_error(undefined). + %% float_to_list/1 -spec float_to_list(Float) -> string() when Float :: float(). @@ -734,8 +757,8 @@ float_to_list(_Float) -> -spec float_to_list(Float, Options) -> string() when Float :: float(), Options :: [Option], - Option :: {decimals, non_neg_integer()} | - {scientific, non_neg_integer()} | + Option :: {decimals, Decimals :: 0..253} | + {scientific, Decimals :: 0..249} | compact. float_to_list(_Float, _Options) -> erlang:nif_error(undefined). |