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<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>liboilrandom</title><meta name="generator" content="DocBook XSL Stylesheets V1.66.1"><link rel="start" href="index.html" title="Liboil Reference Manual"><link rel="up" href="ch02.html" title="Liboil Unstable API"><link rel="prev" href="liboil-liboilprototype.html" title="liboilprototype"><link rel="next" href="liboil-liboiltest.html" title="liboiltest"><meta name="generator" content="GTK-Doc V1.3 (XML mode)"><link rel="stylesheet" href="style.css" type="text/css"><link rel="chapter" href="ch01.html" title="Liboil Stable API"><link rel="chapter" href="ch02.html" title="Liboil Unstable API"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><table class="navigation" width="100%" summary="Navigation header" cellpadding="2" cellspacing="2"><tr valign="middle"><td><a accesskey="p" href="liboil-liboilprototype.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td><td><a accesskey="u" href="ch02.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">Liboil Reference Manual</th><td><a accesskey="n" href="liboil-liboiltest.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td></tr></table><div class="refentry" lang="en"><a name="liboil-liboilrandom"></a><div class="titlepage"></div><div class="refnamediv"><table width="100%"><tr><td valign="top"><h2><span class="refentrytitle">liboilrandom</span></h2><p>liboilrandom — </p></td><td valign="top" align="right"></td></tr></table></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="synopsis">
#define <a href="liboil-liboilrandom.html#oil-rand-s32">oil_rand_s32</a> ()
#define <a href="liboil-liboilrandom.html#oil-rand-s32-l31">oil_rand_s32_l31</a> ()
#define <a href="liboil-liboilrandom.html#oil-rand-s16">oil_rand_s16</a> ()
#define <a href="liboil-liboilrandom.html#oil-rand-s16-l15">oil_rand_s16_l15</a> ()
#define <a href="liboil-liboilrandom.html#oil-rand-s16-l9">oil_rand_s16_l9</a> ()
#define <a href="liboil-liboilrandom.html#oil-rand-s16-l8">oil_rand_s16_l8</a> ()
#define <a href="liboil-liboilrandom.html#oil-rand-s16-l4">oil_rand_s16_l4</a> ()
#define <a href="liboil-liboilrandom.html#oil-rand-s8">oil_rand_s8</a> ()
#define <a href="liboil-liboilrandom.html#oil-rand-u32">oil_rand_u32</a> ()
#define <a href="liboil-liboilrandom.html#oil-rand-u32-l31">oil_rand_u32_l31</a> ()
#define <a href="liboil-liboilrandom.html#oil-rand-u16">oil_rand_u16</a> ()
#define <a href="liboil-liboilrandom.html#oil-rand-u8">oil_rand_u8</a> ()
#define <a href="liboil-liboilrandom.html#oil-rand-f64-0-1">oil_rand_f64_0_1</a> ()
#define <a href="liboil-liboilrandom.html#oil-rand-f64-s32">oil_rand_f64_s32</a> ()
#define <a href="liboil-liboilrandom.html#oil-rand-f64-s16">oil_rand_f64_s16</a> ()
#define <a href="liboil-liboilrandom.html#oil-rand-f64-s8">oil_rand_f64_s8</a> ()
#define <a href="liboil-liboilrandom.html#oil-rand-f64-u32">oil_rand_f64_u32</a> ()
#define <a href="liboil-liboilrandom.html#oil-rand-f64-u16">oil_rand_f64_u16</a> ()
#define <a href="liboil-liboilrandom.html#oil-rand-f64-u8">oil_rand_f64_u8</a> ()
#define <a href="liboil-liboilrandom.html#oil-rand-f32-0-1">oil_rand_f32_0_1</a> ()
#define <a href="liboil-liboilrandom.html#oil-rand-f32-s32">oil_rand_f32_s32</a> ()
#define <a href="liboil-liboilrandom.html#oil-rand-f32-s16">oil_rand_f32_s16</a> ()
#define <a href="liboil-liboilrandom.html#oil-rand-f32-s8">oil_rand_f32_s8</a> ()
#define <a href="liboil-liboilrandom.html#oil-rand-f32-u32">oil_rand_f32_u32</a> ()
#define <a href="liboil-liboilrandom.html#oil-rand-f32-u16">oil_rand_f32_u16</a> ()
#define <a href="liboil-liboilrandom.html#oil-rand-f32-u8">oil_rand_f32_u8</a> ()
</pre></div><div class="refsect1" lang="en"><a name="id2534953"></a><h2>Description</h2><p>
</p></div><div class="refsect1" lang="en"><a name="id2534962"></a><h2>Details</h2><div class="refsect2" lang="en"><a name="id2534968"></a><h3><a name="oil-rand-s32"></a>oil_rand_s32()</h3><a class="indexterm" name="id2550992"></a><pre class="programlisting">#define oil_rand_s32() ((rand()&0xffff)<<16 | (rand()&0xffff))
</pre><p>
</p></div><hr><div class="refsect2" lang="en"><a name="id2551002"></a><h3><a name="oil-rand-s32-l31"></a>oil_rand_s32_l31()</h3><a class="indexterm" name="id2551010"></a><pre class="programlisting">#define oil_rand_s32_l31() (((int32_t)rand())-0x40000000)
</pre><p>
</p></div><hr><div class="refsect2" lang="en"><a name="id2551021"></a><h3><a name="oil-rand-s16"></a>oil_rand_s16()</h3><a class="indexterm" name="id2551029"></a><pre class="programlisting">#define oil_rand_s16() ((int16_t)(rand()&0xffff))
</pre><p>
</p></div><hr><div class="refsect2" lang="en"><a name="id2551040"></a><h3><a name="oil-rand-s16-l15"></a>oil_rand_s16_l15()</h3><a class="indexterm" name="id2551048"></a><pre class="programlisting">#define oil_rand_s16_l15() (oil_rand_s16()>>1)
</pre><p>
</p></div><hr><div class="refsect2" lang="en"><a name="id2551058"></a><h3><a name="oil-rand-s16-l9"></a>oil_rand_s16_l9()</h3><a class="indexterm" name="id2551067"></a><pre class="programlisting">#define oil_rand_s16_l9() (oil_rand_s16()>>7)
</pre><p>
</p></div><hr><div class="refsect2" lang="en"><a name="id2551077"></a><h3><a name="oil-rand-s16-l8"></a>oil_rand_s16_l8()</h3><a class="indexterm" name="id2551086"></a><pre class="programlisting">#define oil_rand_s16_l8() (oil_rand_s16()>>8)
</pre><p>
</p></div><hr><div class="refsect2" lang="en"><a name="id2551096"></a><h3><a name="oil-rand-s16-l4"></a>oil_rand_s16_l4()</h3><a class="indexterm" name="id2551105"></a><pre class="programlisting">#define oil_rand_s16_l4() (oil_rand_s16()>>12)
</pre><p>
</p></div><hr><div class="refsect2" lang="en"><a name="id2551115"></a><h3><a name="oil-rand-s8"></a>oil_rand_s8()</h3><a class="indexterm" name="id2532136"></a><pre class="programlisting">#define oil_rand_s8() ((int8_t)(rand()&0xffff))
</pre><p>
</p></div><hr><div class="refsect2" lang="en"><a name="id2532147"></a><h3><a name="oil-rand-u32"></a>oil_rand_u32()</h3><a class="indexterm" name="id2532155"></a><pre class="programlisting">#define oil_rand_u32() ((rand()&0xffff)<<16 | (rand()&0xffff))
</pre><p>
</p></div><hr><div class="refsect2" lang="en"><a name="id2532165"></a><h3><a name="oil-rand-u32-l31"></a>oil_rand_u32_l31()</h3><a class="indexterm" name="id2532173"></a><pre class="programlisting">#define oil_rand_u32_l31() ((uint32_t)rand())
</pre><p>
</p></div><hr><div class="refsect2" lang="en"><a name="id2532184"></a><h3><a name="oil-rand-u16"></a>oil_rand_u16()</h3><a class="indexterm" name="id2532192"></a><pre class="programlisting">#define oil_rand_u16() ((uint16_t)(rand()&0xffff))
</pre><p>
</p></div><hr><div class="refsect2" lang="en"><a name="id2532203"></a><h3><a name="oil-rand-u8"></a>oil_rand_u8()</h3><a class="indexterm" name="id2532211"></a><pre class="programlisting">#define oil_rand_u8() ((uint8_t)(rand()&0xffff))
</pre><p>
</p></div><hr><div class="refsect2" lang="en"><a name="id2532222"></a><h3><a name="oil-rand-f64-0-1"></a>oil_rand_f64_0_1()</h3><a class="indexterm" name="id2532230"></a><pre class="programlisting">#define oil_rand_f64_0_1() (((rand()/(RAND_MAX+1.0))+rand())/(RAND_MAX+1.0))
</pre><p>
</p></div><hr><div class="refsect2" lang="en"><a name="id2532241"></a><h3><a name="oil-rand-f64-s32"></a>oil_rand_f64_s32()</h3><a class="indexterm" name="id2532249"></a><pre class="programlisting">#define oil_rand_f64_s32() (oil_rand_f64_0_1()*4294967296.0-2147483648.0)
</pre><p>
</p></div><hr><div class="refsect2" lang="en"><a name="id2532260"></a><h3><a name="oil-rand-f64-s16"></a>oil_rand_f64_s16()</h3><a class="indexterm" name="id2532269"></a><pre class="programlisting">#define oil_rand_f64_s16() (oil_rand_f64_0_1()*65536.0-32768.0)
</pre><p>
</p></div><hr><div class="refsect2" lang="en"><a name="id2532280"></a><h3><a name="oil-rand-f64-s8"></a>oil_rand_f64_s8()</h3><a class="indexterm" name="id2532288"></a><pre class="programlisting">#define oil_rand_f64_s8() (oil_rand_f64_0_1()*256.0-128.0)
</pre><p>
</p></div><hr><div class="refsect2" lang="en"><a name="id2532299"></a><h3><a name="oil-rand-f64-u32"></a>oil_rand_f64_u32()</h3><a class="indexterm" name="id2532307"></a><pre class="programlisting">#define oil_rand_f64_u32() (oil_rand_f64_0_1()*4294967296.0)
</pre><p>
</p></div><hr><div class="refsect2" lang="en"><a name="id2532318"></a><h3><a name="oil-rand-f64-u16"></a>oil_rand_f64_u16()</h3><a class="indexterm" name="id2532326"></a><pre class="programlisting">#define oil_rand_f64_u16() (oil_rand_f64_0_1()*65536.0)
</pre><p>
</p></div><hr><div class="refsect2" lang="en"><a name="id2532337"></a><h3><a name="oil-rand-f64-u8"></a>oil_rand_f64_u8()</h3><a class="indexterm" name="id2532345"></a><pre class="programlisting">#define oil_rand_f64_u8() (oil_rand_f64_0_1()*256.0)
</pre><p>
</p></div><hr><div class="refsect2" lang="en"><a name="id2532356"></a><h3><a name="oil-rand-f32-0-1"></a>oil_rand_f32_0_1()</h3><a class="indexterm" name="id2532364"></a><pre class="programlisting">#define oil_rand_f32_0_1() (rand()/(RAND_MAX+1.0))
</pre><p>
</p></div><hr><div class="refsect2" lang="en"><a name="id2532375"></a><h3><a name="oil-rand-f32-s32"></a>oil_rand_f32_s32()</h3><a class="indexterm" name="id2532383"></a><pre class="programlisting">#define oil_rand_f32_s32() (oil_rand_f64_0_1()*4294967296.0-2147483648.0)
</pre><p>
</p></div><hr><div class="refsect2" lang="en"><a name="id2532394"></a><h3><a name="oil-rand-f32-s16"></a>oil_rand_f32_s16()</h3><a class="indexterm" name="id2532403"></a><pre class="programlisting">#define oil_rand_f32_s16() (oil_rand_f64_0_1()*65536.0-32768.0)
</pre><p>
</p></div><hr><div class="refsect2" lang="en"><a name="id2567312"></a><h3><a name="oil-rand-f32-s8"></a>oil_rand_f32_s8()</h3><a class="indexterm" name="id2567320"></a><pre class="programlisting">#define oil_rand_f32_s8() (oil_rand_f64_0_1()*256.0-128.0)
</pre><p>
</p></div><hr><div class="refsect2" lang="en"><a name="id2567331"></a><h3><a name="oil-rand-f32-u32"></a>oil_rand_f32_u32()</h3><a class="indexterm" name="id2567339"></a><pre class="programlisting">#define oil_rand_f32_u32() (oil_rand_f64_0_1()*4294967296.0)
</pre><p>
</p></div><hr><div class="refsect2" lang="en"><a name="id2567350"></a><h3><a name="oil-rand-f32-u16"></a>oil_rand_f32_u16()</h3><a class="indexterm" name="id2567359"></a><pre class="programlisting">#define oil_rand_f32_u16() (oil_rand_f64_0_1()*65536.0)
</pre><p>
</p></div><hr><div class="refsect2" lang="en"><a name="id2567369"></a><h3><a name="oil-rand-f32-u8"></a>oil_rand_f32_u8()</h3><a class="indexterm" name="id2567378"></a><pre class="programlisting">#define oil_rand_f32_u8() (oil_rand_f64_0_1()*256.0)
</pre><p>
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