diff options
Diffstat (limited to 'gtk+-mingw/share/gtk-doc/html/glib/glib-Numerical-Definitions.html')
-rw-r--r-- | gtk+-mingw/share/gtk-doc/html/glib/glib-Numerical-Definitions.html | 226 |
1 files changed, 0 insertions, 226 deletions
diff --git a/gtk+-mingw/share/gtk-doc/html/glib/glib-Numerical-Definitions.html b/gtk+-mingw/share/gtk-doc/html/glib/glib-Numerical-Definitions.html deleted file mode 100644 index 07a4c31..0000000 --- a/gtk+-mingw/share/gtk-doc/html/glib/glib-Numerical-Definitions.html +++ /dev/null @@ -1,226 +0,0 @@ -<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> -<html> -<head> -<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> -<title>Numerical Definitions</title> -<meta name="generator" content="DocBook XSL Stylesheets V1.76.1"> -<link rel="home" href="index.html" title="GLib Reference Manual"> -<link rel="up" href="glib-fundamentals.html" title="GLib Fundamentals"> -<link rel="prev" href="glib-Byte-Order-Macros.html" title="Byte Order Macros"> -<link rel="next" href="glib-Miscellaneous-Macros.html" title="Miscellaneous Macros"> -<meta name="generator" content="GTK-Doc V1.18 (XML mode)"> -<link rel="stylesheet" href="style.css" type="text/css"> -</head> -<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> -<table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="2"> -<tr valign="middle"> -<td><a accesskey="p" href="glib-Byte-Order-Macros.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td> -<td><a accesskey="u" href="glib-fundamentals.html"><img src="up.png" width="24" height="24" border="0" alt="Up"></a></td> -<td><a accesskey="h" href="index.html"><img src="home.png" width="24" height="24" border="0" alt="Home"></a></td> -<th width="100%" align="center">GLib Reference Manual</th> -<td><a accesskey="n" href="glib-Miscellaneous-Macros.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td> -</tr> -<tr><td colspan="5" class="shortcuts"> -<a href="#glib-Numerical-Definitions.synopsis" class="shortcut">Top</a> - | - <a href="#glib-Numerical-Definitions.description" class="shortcut">Description</a> -</td></tr> -</table> -<div class="refentry"> -<a name="glib-Numerical-Definitions"></a><div class="titlepage"></div> -<div class="refnamediv"><table width="100%"><tr> -<td valign="top"> -<h2><span class="refentrytitle"><a name="glib-Numerical-Definitions.top_of_page"></a>Numerical Definitions</span></h2> -<p>Numerical Definitions — mathematical constants, and floating point decomposition</p> -</td> -<td valign="top" align="right"></td> -</tr></table></div> -<div class="refsynopsisdiv"> -<a name="glib-Numerical-Definitions.synopsis"></a><h2>Synopsis</h2> -<pre class="synopsis"> -#include <glib.h> - -#define <a class="link" href="glib-Numerical-Definitions.html#G-IEEE754-FLOAT-BIAS:CAPS" title="G_IEEE754_FLOAT_BIAS">G_IEEE754_FLOAT_BIAS</a> -#define <a class="link" href="glib-Numerical-Definitions.html#G-IEEE754-DOUBLE-BIAS:CAPS" title="G_IEEE754_DOUBLE_BIAS">G_IEEE754_DOUBLE_BIAS</a> -union <a class="link" href="glib-Numerical-Definitions.html#GFloatIEEE754" title="union GFloatIEEE754">GFloatIEEE754</a>; -union <a class="link" href="glib-Numerical-Definitions.html#GDoubleIEEE754" title="union GDoubleIEEE754">GDoubleIEEE754</a>; - -#define <a class="link" href="glib-Numerical-Definitions.html#G-E:CAPS" title="G_E">G_E</a> -#define <a class="link" href="glib-Numerical-Definitions.html#G-LN2:CAPS" title="G_LN2">G_LN2</a> -#define <a class="link" href="glib-Numerical-Definitions.html#G-LN10:CAPS" title="G_LN10">G_LN10</a> -#define <a class="link" href="glib-Numerical-Definitions.html#G-PI:CAPS" title="G_PI">G_PI</a> -#define <a class="link" href="glib-Numerical-Definitions.html#G-PI-2:CAPS" title="G_PI_2">G_PI_2</a> -#define <a class="link" href="glib-Numerical-Definitions.html#G-PI-4:CAPS" title="G_PI_4">G_PI_4</a> -#define <a class="link" href="glib-Numerical-Definitions.html#G-SQRT2:CAPS" title="G_SQRT2">G_SQRT2</a> -#define <a class="link" href="glib-Numerical-Definitions.html#G-LOG-2-BASE-10:CAPS" title="G_LOG_2_BASE_10">G_LOG_2_BASE_10</a> -</pre> -</div> -<div class="refsect1"> -<a name="glib-Numerical-Definitions.description"></a><h2>Description</h2> -<p> -GLib offers mathematical constants such as <a class="link" href="glib-Numerical-Definitions.html#G-PI:CAPS" title="G_PI"><span class="type">G_PI</span></a> for the value of pi; -many platforms have these in the C library, but some don't, the GLib -versions always exist. -</p> -<p> -The <a class="link" href="glib-Numerical-Definitions.html#GFloatIEEE754" title="union GFloatIEEE754"><span class="type">GFloatIEEE754</span></a> and <a class="link" href="glib-Numerical-Definitions.html#GDoubleIEEE754" title="union GDoubleIEEE754"><span class="type">GDoubleIEEE754</span></a> unions are used to access the -sign, mantissa and exponent of IEEE floats and doubles. These unions are -defined as appropriate for a given platform. IEEE floats and doubles are -supported (used for storage) by at least Intel, PPC and Sparc. See -<a class="ulink" href="http://en.wikipedia.org/wiki/IEEE_float" target="_top">IEEE 754-2008</a> -for more information about IEEE number formats. -</p> -</div> -<div class="refsect1"> -<a name="glib-Numerical-Definitions.details"></a><h2>Details</h2> -<div class="refsect2"> -<a name="G-IEEE754-FLOAT-BIAS:CAPS"></a><h3>G_IEEE754_FLOAT_BIAS</h3> -<pre class="programlisting">#define G_IEEE754_FLOAT_BIAS (127) -</pre> -<p> -The bias by which exponents in single-precision floats are offset. -</p> -</div> -<hr> -<div class="refsect2"> -<a name="G-IEEE754-DOUBLE-BIAS:CAPS"></a><h3>G_IEEE754_DOUBLE_BIAS</h3> -<pre class="programlisting">#define G_IEEE754_DOUBLE_BIAS (1023) -</pre> -<p> -The bias by which exponents in double-precision floats are offset. -</p> -</div> -<hr> -<div class="refsect2"> -<a name="GFloatIEEE754"></a><h3>union GFloatIEEE754</h3> -<pre class="programlisting">union _GFloatIEEE754 -{ - gfloat v_float; - struct { - guint mantissa : 23; - guint biased_exponent : 8; - guint sign : 1; - } mpn; -}; -</pre> -<p> -The <a class="link" href="glib-Numerical-Definitions.html#GFloatIEEE754" title="union GFloatIEEE754"><span class="type">GFloatIEEE754</span></a> and <a class="link" href="glib-Numerical-Definitions.html#GDoubleIEEE754" title="union GDoubleIEEE754"><span class="type">GDoubleIEEE754</span></a> unions are used to access the sign, -mantissa and exponent of IEEE floats and doubles. These unions are defined -as appropriate for a given platform. IEEE floats and doubles are supported -(used for storage) by at least Intel, PPC and Sparc. -</p> -<div class="variablelist"><table border="0"> -<col align="left" valign="top"> -<tbody><tr> -<td><p><span class="term"><a class="link" href="glib-Basic-Types.html#gfloat" title="gfloat"><span class="type">gfloat</span></a> <em class="structfield"><code><a name="GFloatIEEE754.v-float"></a>v_float</code></em>;</span></p></td> -<td>the double value</td> -</tr></tbody> -</table></div> -</div> -<hr> -<div class="refsect2"> -<a name="GDoubleIEEE754"></a><h3>union GDoubleIEEE754</h3> -<pre class="programlisting">union _GDoubleIEEE754 -{ - gdouble v_double; - struct { - guint mantissa_low : 32; - guint mantissa_high : 20; - guint biased_exponent : 11; - guint sign : 1; - } mpn; -}; -</pre> -<p> -The <a class="link" href="glib-Numerical-Definitions.html#GFloatIEEE754" title="union GFloatIEEE754"><span class="type">GFloatIEEE754</span></a> and <a class="link" href="glib-Numerical-Definitions.html#GDoubleIEEE754" title="union GDoubleIEEE754"><span class="type">GDoubleIEEE754</span></a> unions are used to access the sign, -mantissa and exponent of IEEE floats and doubles. These unions are defined -as appropriate for a given platform. IEEE floats and doubles are supported -(used for storage) by at least Intel, PPC and Sparc. -</p> -<div class="variablelist"><table border="0"> -<col align="left" valign="top"> -<tbody><tr> -<td><p><span class="term"><a class="link" href="glib-Basic-Types.html#gdouble" title="gdouble"><span class="type">gdouble</span></a> <em class="structfield"><code><a name="GDoubleIEEE754.v-double"></a>v_double</code></em>;</span></p></td> -<td>the double value</td> -</tr></tbody> -</table></div> -</div> -<hr> -<div class="refsect2"> -<a name="G-E:CAPS"></a><h3>G_E</h3> -<pre class="programlisting">#define G_E 2.7182818284590452353602874713526624977572470937000 -</pre> -<p> -The base of natural logarithms. -</p> -</div> -<hr> -<div class="refsect2"> -<a name="G-LN2:CAPS"></a><h3>G_LN2</h3> -<pre class="programlisting">#define G_LN2 0.69314718055994530941723212145817656807550013436026 -</pre> -<p> -The natural logarithm of 2. -</p> -</div> -<hr> -<div class="refsect2"> -<a name="G-LN10:CAPS"></a><h3>G_LN10</h3> -<pre class="programlisting">#define G_LN10 2.3025850929940456840179914546843642076011014886288 -</pre> -<p> -The natural logarithm of 10. -</p> -</div> -<hr> -<div class="refsect2"> -<a name="G-PI:CAPS"></a><h3>G_PI</h3> -<pre class="programlisting">#define G_PI 3.1415926535897932384626433832795028841971693993751 -</pre> -<p> -The value of pi (ratio of circle's circumference to its diameter). -</p> -</div> -<hr> -<div class="refsect2"> -<a name="G-PI-2:CAPS"></a><h3>G_PI_2</h3> -<pre class="programlisting">#define G_PI_2 1.5707963267948966192313216916397514420985846996876 -</pre> -<p> -Pi divided by 2. -</p> -</div> -<hr> -<div class="refsect2"> -<a name="G-PI-4:CAPS"></a><h3>G_PI_4</h3> -<pre class="programlisting">#define G_PI_4 0.78539816339744830961566084581987572104929234984378 -</pre> -<p> -Pi divided by 4. -</p> -</div> -<hr> -<div class="refsect2"> -<a name="G-SQRT2:CAPS"></a><h3>G_SQRT2</h3> -<pre class="programlisting">#define G_SQRT2 1.4142135623730950488016887242096980785696718753769 -</pre> -<p> -The square root of two. -</p> -</div> -<hr> -<div class="refsect2"> -<a name="G-LOG-2-BASE-10:CAPS"></a><h3>G_LOG_2_BASE_10</h3> -<pre class="programlisting">#define G_LOG_2_BASE_10 (0.30102999566398119521) -</pre> -<p> -Multiplying the base 2 exponent by this number yields the base 10 exponent. -</p> -</div> -</div> -</div> -<div class="footer"> -<hr> - Generated by GTK-Doc V1.18</div> -</body> -</html>
\ No newline at end of file |