goba Sun Nov 11 05:42:08 2001 EDT
Modified files:
/phpdoc/en/functions math.xml
Log:
Documenting a bunch of mathematical functions:
sinh, cosh, tanh, asinh, acosh, atanh
The last three are not available on windows...
Index: phpdoc/en/functions/math.xml
diff -u phpdoc/en/functions/math.xml:1.56 phpdoc/en/functions/math.xml:1.57
--- phpdoc/en/functions/math.xml:1.56 Sat Nov 10 16:49:37 2001
+++ phpdoc/en/functions/math.xml Sun Nov 11 05:42:08 2001
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.56 $ -->
+<!-- $Revision: 1.57 $ -->
<reference id="ref.math">
<title>Mathematical Functions</title>
<titleabbrev>Math</titleabbrev>
@@ -162,10 +162,37 @@
</funcprototype>
</funcsynopsis>
<para>
- Returns the arc cosine of arg in radians.
+ Returns the arc cosine of <parameter>arg</parameter> in radians.
</para>
<para>
- See also <function>asin</function> and <function>atan</function>.
+ See also <function>acosh</function>, <function>asin</function>
+ and <function>atan</function>.
+ </para>
+ </refsect1>
+ </refentry>
+
+ <refentry id="function.acosh">
+ <refnamediv>
+ <refname>acosh</refname>
+ <refpurpose>Inverse hyperbolic cosine</refpurpose>
+ </refnamediv>
+ <refsect1>
+ <title>Description</title>
+ <funcsynopsis>
+ <funcprototype>
+ <funcdef>float <function>acosh</function></funcdef>
+ <paramdef>float <parameter>arg</parameter></paramdef>
+ </funcprototype>
+ </funcsynopsis>
+ <para>
+ Returns the inverse hyperbolic cosine of
+ <parameter>arg</parameter>, i.e. the value whose
+ hyperbolic cosine is <parameter>arg</parameter>.
+ </para>
+ ¬e.no-windows;
+ <para>
+ See also <function>acos</function>, <function>asin</function>
+ and <function>atan</function>.
</para>
</refsect1>
</refentry>
@@ -187,7 +214,34 @@
Returns the arc sine of arg in radians.
</para>
<para>
- See also <function>acos</function> and <function>atan</function>.
+ See also <function>asinh</function>, <function>acos</function>
+ and <function>atan</function>.
+ </para>
+ </refsect1>
+ </refentry>
+
+ <refentry id="function.asinh">
+ <refnamediv>
+ <refname>asinh</refname>
+ <refpurpose>Inverse hyperbolic sine</refpurpose>
+ </refnamediv>
+ <refsect1>
+ <title>Description</title>
+ <funcsynopsis>
+ <funcprototype>
+ <funcdef>float <function>asinh</function></funcdef>
+ <paramdef>float <parameter>arg</parameter></paramdef>
+ </funcprototype>
+ </funcsynopsis>
+ <para>
+ Returns the inverse hyperbolic sine of
+ <parameter>arg</parameter>, i.e. the value whose
+ hyperbolic sine is <parameter>arg</parameter>.
+ </para>
+ ¬e.no-windows;
+ <para>
+ See also <function>asin</function>, <function>acos</function>
+ and <function>atan</function>.
</para>
</refsect1>
</refentry>
@@ -209,7 +263,34 @@
Returns the arc tangent of arg in radians.
</para>
<para>
- See also <function>asin</function> and <function>acos</function>.
+ See also <function>atanh</function>, <function>asin</function>
+ and <function>acos</function>.
+ </para>
+ </refsect1>
+ </refentry>
+
+ <refentry id="function.atanh">
+ <refnamediv>
+ <refname>atanh</refname>
+ <refpurpose>Inverse hyperbolic tangent</refpurpose>
+ </refnamediv>
+ <refsect1>
+ <title>Description</title>
+ <funcsynopsis>
+ <funcprototype>
+ <funcdef>float <function>atanh</function></funcdef>
+ <paramdef>float <parameter>arg</parameter></paramdef>
+ </funcprototype>
+ </funcsynopsis>
+ <para>
+ Returns the inverse hyperbolic tangent of
+ <parameter>arg</parameter>, i.e. the value whose
+ hyperbolic tangent is <parameter>arg</parameter>.
+ </para>
+ ¬e.no-windows;
+ <para>
+ See also <function>atan</function>, <function>asin</function>
+ and <function>acos</function>.
</para>
</refsect1>
</refentry>
@@ -359,6 +440,30 @@
</refsect1>
</refentry>
+ <refentry id="function.cosh">
+ <refnamediv>
+ <refname>cosh</refname>
+ <refpurpose>Hyperbolic cosine</refpurpose>
+ </refnamediv>
+ <refsect1>
+ <title>Description</title>
+ <funcsynopsis>
+ <funcprototype>
+ <funcdef>float <function>cosh</function></funcdef>
+ <paramdef>float <parameter>arg</parameter></paramdef>
+ </funcprototype>
+ </funcsynopsis>
+ <para>
+ Returns the hyperbolic cosine of <parameter>arg</parameter>,
+ defined as <literal>(exp(arg) + exp(-arg))/2</literal>.
+ </para>
+ <para>
+ See also <function>cos</function>, <function>acosh</function>,
+ <function>sin</function> and <function>tan</function>.
+ </para>
+ </refsect1>
+ </refentry>
+
<refentry id="function.decbin">
<refnamediv>
<refname>decbin</refname>
@@ -1190,6 +1295,30 @@
</refsect1>
</refentry>
+ <refentry id="function.sinh">
+ <refnamediv>
+ <refname>sinh</refname>
+ <refpurpose>Hyperbolic sine</refpurpose>
+ </refnamediv>
+ <refsect1>
+ <title>Description</title>
+ <funcsynopsis>
+ <funcprototype>
+ <funcdef>float <function>sinh</function></funcdef>
+ <paramdef>float <parameter>arg</parameter></paramdef>
+ </funcprototype>
+ </funcsynopsis>
+ <para>
+ Returns the hyperbolic sine of <parameter>arg</parameter>,
+ defined as <literal>(exp(arg) - exp(-arg))/2</literal>.
+ </para>
+ <para>
+ See also <function>sin</function>, <function>asinh</function>,
+ <function>cos</function> and <function>tan</function>.
+ </para>
+ </refsect1>
+ </refentry>
+
<refentry id="function.sqrt">
<refnamediv>
<refname>sqrt</refname>
@@ -1264,6 +1393,30 @@
</para>
<para>
See also <function>sin</function> and <function>cos</function>.
+ </para>
+ </refsect1>
+ </refentry>
+
+ <refentry id="function.tanh">
+ <refnamediv>
+ <refname>tanh</refname>
+ <refpurpose>Hyperbolic tangent</refpurpose>
+ </refnamediv>
+ <refsect1>
+ <title>Description</title>
+ <funcsynopsis>
+ <funcprototype>
+ <funcdef>float <function>tanh</function></funcdef>
+ <paramdef>float <parameter>arg</parameter></paramdef>
+ </funcprototype>
+ </funcsynopsis>
+ <para>
+ Returns the hyperbolic tangent of <parameter>arg</parameter>,
+ defined as <literal>sinh(arg)/cosh(arg)</literal>.
+ </para>
+ <para>
+ See also <function>tan</function>, <function>atanh</function>,
+ <function>sin</function> and <function>cos</function>.
</para>
</refsect1>
</refentry>