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Diffstat (limited to 'lib/stdlib/doc/src/math.xml')
| -rw-r--r-- | lib/stdlib/doc/src/math.xml | 98 |
1 files changed, 54 insertions, 44 deletions
diff --git a/lib/stdlib/doc/src/math.xml b/lib/stdlib/doc/src/math.xml index 0219dcce10..1358ce5cbf 100644 --- a/lib/stdlib/doc/src/math.xml +++ b/lib/stdlib/doc/src/math.xml @@ -1,24 +1,25 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE erlref SYSTEM "erlref.dtd"> <erlref> <header> <copyright> <year>1996</year> - <year>2012</year> + <year>2016</year> <holder>Ericsson AB, All Rights Reserved</holder> </copyright> <legalnotice> - The contents of this file are subject to the Erlang Public License, - Version 1.1, (the "License"); you may not use this file except in - compliance with the License. You should have received a copy of the - Erlang Public License along with this software. If not, it can be - retrieved online at http://www.erlang.org/. + 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 - Software distributed under the License is distributed on an "AS IS" - basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See - the License for the specific language governing rights and limitations - under the License. + 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. The Initial Developer of the Original Code is Ericsson AB. </legalnotice> @@ -29,77 +30,86 @@ <docno>1</docno> <approved>Bjarne Däcker</approved> <checked></checked> - <date>97-01-15</date> + <date>1997-01-15</date> <rev>B</rev> - <file>math.sgml</file> + <file>math.xml</file> </header> <module>math</module> - <modulesummary>Mathematical Functions</modulesummary> + <modulesummary>Mathematical functions.</modulesummary> <description> <p>This module provides an interface to a number of mathematical functions.</p> + <note> - <p>Not all functions are implemented on all platforms. In particular, - the <c>erf/1</c> and <c>erfc/1</c> functions are not implemented on Windows.</p> + <p>Not all functions are provided on all platforms. In particular, + the <seealso marker="#erf/1"><c>erf/1</c></seealso> and + <seealso marker="#erfc/1"><c>erfc/1</c></seealso> functions + are not provided on Windows.</p> </note> </description> + <funcs> <func> - <name name="pi" arity="0"/> - <fsummary>A useful number</fsummary> - <desc> - <p>A useful number.</p> - </desc> - </func> - <func> - <name name="sin" arity="1"/> - <name name="cos" arity="1"/> - <name name="tan" arity="1"/> - <name name="asin" arity="1"/> <name name="acos" arity="1"/> + <name name="acosh" arity="1"/> + <name name="asin" arity="1"/> + <name name="asinh" arity="1"/> <name name="atan" arity="1"/> <name name="atan2" arity="2"/> - <name name="sinh" arity="1"/> - <name name="cosh" arity="1"/> - <name name="tanh" arity="1"/> - <name name="asinh" arity="1"/> - <name name="acosh" arity="1"/> <name name="atanh" arity="1"/> + <name name="cos" arity="1"/> + <name name="cosh" arity="1"/> <name name="exp" arity="1"/> <name name="log" arity="1"/> <name name="log10" arity="1"/> + <name name="log2" arity="1"/> <name name="pow" arity="2"/> + <name name="sin" arity="1"/> + <name name="sinh" arity="1"/> <name name="sqrt" arity="1"/> - <type variable="X" name_i="7"/> - <type variable="Y" name_i="7"/> - <fsummary>Diverse math functions</fsummary> + <name name="tan" arity="1"/> + <name name="tanh" arity="1"/> + <fsummary>Diverse math functions.</fsummary> + <type variable="X" name_i="6"/> + <type variable="Y" name_i="6"/> <desc> - <p>A collection of math functions which return floats. Arguments - are numbers. </p> + <p>A collection of mathematical functions that return floats. Arguments + are numbers.</p> </desc> </func> + <func> <name name="erf" arity="1"/> <fsummary>Error function.</fsummary> <desc> - <p>Returns the error function of <c><anno>X</anno></c>, where</p> + <p>Returns the error function of <c><anno>X</anno></c>, where:</p> <pre> -erf(X) = 2/sqrt(pi)*integral from 0 to X of exp(-t*t) dt. </pre> +erf(X) = 2/sqrt(pi)*integral from 0 to X of exp(-t*t) dt.</pre> </desc> </func> + <func> <name name="erfc" arity="1"/> - <fsummary>Another error function</fsummary> + <fsummary>Another error function.</fsummary> <desc> - <p><c>erfc(X)</c> returns <c>1.0 - erf(X)</c>, computed by - methods that avoid cancellation for large <c><anno>X</anno></c>. </p> + <p><c>erfc(X)</c> returns <c>1.0</c> - <c>erf(X)</c>, computed by + methods that avoid cancellation for large <c><anno>X</anno></c>.</p> </desc> </func> + + <func> + <name name="pi" arity="0"/> + <fsummary>A useful number.</fsummary> + <desc> + <p>A useful number.</p> + </desc> + </func> + </funcs> <section> - <title>Bugs</title> - <p>As these are the C library, the bugs are the same.</p> + <title>Limitations</title> + <p>As these are the C library, the same limitations apply.</p> </section> </erlref> |