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%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 1996-2012. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
%% %CopyrightEnd%
%%
-module(math).
-export([pi/0]).
%%% BIFs
-export([sin/1, cos/1, tan/1, asin/1, acos/1, atan/1, atan2/2, sinh/1,
cosh/1, tanh/1, asinh/1, acosh/1, atanh/1, exp/1, log/1,
log2/1, log10/1, pow/2, sqrt/1, erf/1, erfc/1]).
-spec acos(X) -> float() when
X :: number().
acos(_) ->
erlang:nif_error(undef).
-spec acosh(X) -> float() when
X :: number().
acosh(_) ->
erlang:nif_error(undef).
-spec asin(X) -> float() when
X :: number().
asin(_) ->
erlang:nif_error(undef).
-spec asinh(X) -> float() when
X :: number().
asinh(_) ->
erlang:nif_error(undef).
-spec atan(X) -> float() when
X :: number().
atan(_) ->
erlang:nif_error(undef).
-spec atan2(Y, X) -> float() when
Y :: number(),
X :: number().
atan2(_, _) ->
erlang:nif_error(undef).
-spec atanh(X) -> float() when
X :: number().
atanh(_) ->
erlang:nif_error(undef).
-spec cos(X) -> float() when
X :: number().
cos(_) ->
erlang:nif_error(undef).
-spec cosh(X) -> float() when
X :: number().
cosh(_) ->
erlang:nif_error(undef).
-spec erf(X) -> float() when
X :: number().
erf(_) ->
erlang:nif_error(undef).
-spec erfc(X) -> float() when
X :: number().
erfc(_) ->
erlang:nif_error(undef).
-spec exp(X) -> float() when
X :: number().
exp(_) ->
erlang:nif_error(undef).
-spec log(X) -> float() when
X :: number().
log(_) ->
erlang:nif_error(undef).
-spec log2(X) -> float() when
X :: number().
log2(_) ->
erlang:nif_error(undef).
-spec log10(X) -> float() when
X :: number().
log10(_) ->
erlang:nif_error(undef).
-spec pow(X, Y) -> float() when
X :: number(),
Y :: number().
pow(_, _) ->
erlang:nif_error(undef).
-spec sin(X) -> float() when
X :: number().
sin(_) ->
erlang:nif_error(undef).
-spec sinh(X) -> float() when
X :: number().
sinh(_) ->
erlang:nif_error(undef).
-spec sqrt(X) -> float() when
X :: number().
sqrt(_) ->
erlang:nif_error(undef).
-spec tan(X) -> float() when
X :: number().
tan(_) ->
erlang:nif_error(undef).
-spec tanh(X) -> float() when
X :: number().
tanh(_) ->
erlang:nif_error(undef).
%%% End of BIFs
-spec pi() -> float().
pi() -> 3.1415926535897932.
|
