1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> 2 3<!--Converted with LaTeX2HTML 2018.3 (Released July 19, 2018) --> 4<HTML lang="EN"> 5<HEAD> 6<TITLE>rand_uni</TITLE> 7<META NAME="description" CONTENT="rand_uni"> 8<META NAME="keywords" CONTENT="subroutines"> 9<META NAME="resource-type" CONTENT="document"> 10<META NAME="distribution" CONTENT="global"> 11 12<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=utf-8"> 13<META NAME="viewport" CONTENT="width=device-width, initial-scale=1.0"> 14<META NAME="Generator" CONTENT="LaTeX2HTML v2018.3"> 15 <link rel='apple-touch-icon' sizes='180x180' href='images/favicons/apple-touch-icon.png?v=2017'> 16 <link rel='icon' type='image/png' sizes='32x32' href='images/favicons/favicon-32x32.png?v=2017'> 17 <link rel='icon' type='image/png' sizes='16x16' href='images/favicons/favicon-16x16.png?v=2017'> 18 <link rel='manifest' href='images/favicons/manifest.json?v=2017'> 19 <link rel='mask-icon' 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45<A ID="tex2html460" 46 HREF="sub_TABLE_CONTENTS.htm"> 47<IMG WIDTH="65" HEIGHT="24" ALT="contents" SRC="contents.png"></A> 48<BR> 49<B> Previous:</B> <A 50 HREF="sub_rand_init.htm">rand_init</A> 51 52<B>Up:</B> <A 53 HREF="sub_HEALPix_F90_subroutines.htm">HEALPix/F90 subroutines</A> 54 55<B> Next:</B> <A 56 HREF="sub_read_asctab.htm">read_asctab*</A> 57<B> Top:</B> <a href="main.htm">Main Page</a></DIV> 58<!--End of Navigation Panel--> 59 60<H1><A ID="SECTION8400"></A> 61<A ID="sub:rand_uni"></A> 62<BR> 63 64</H1> 65 66<P> 67<b><font size=+6><FONT COLOR="#CC0000">rand_uni</FONT></font></b><hr> 68<H3>This routine returns a number out of a pseudo-random uniform deviate (ie, its 69 probability distribution is uniform in the range ]0,1[). 70</H3> 71Location in HEALPix directory tree: <a href="https://sourceforge.net/p/healpix/code/1005/tree/trunk/src/f90/mod/rngmod.f90"><b>src/f90/mod/rngmod.f90</b></a> 72 73<P> 74<hr><h1>FORMAT </h1><h3>var=<FONT COLOR="#CC0000">rand_uni</FONT>( 75<A HREF="#sub:rand_uni:rng_handle">rng_handle</A> 76)</h3> 77 78<P> 79<hr><H1>ARGUMENTS</H1> 80 81<TABLE CELLPADDING=3 BORDER="1"> 82<TR><TH ALIGN="LEFT" VALIGN="TOP" WIDTH=150><SPAN CLASS="textbf">name & dimensionality</SPAN></TH> 83<TH ALIGN="LEFT" VALIGN="TOP" WIDTH=75><SPAN CLASS="textbf">kind</SPAN></TH> 84<TH ALIGN="LEFT" VALIGN="TOP" WIDTH=50><SPAN CLASS="textbf">in/out</SPAN></TH> 85<TH ALIGN="LEFT" VALIGN="TOP" WIDTH=175><SPAN CLASS="textbf">description</SPAN></TH> 86</TR> 87<TR><TD ALIGN="LEFT" VALIGN="TOP" WIDTH=150> </TD> 88<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=75> </TD> 89<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=50> </TD> 90<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=175> </TD> 91</TR> 92<TR><TD ALIGN="LEFT" VALIGN="TOP" WIDTH=150> 93rng_handle<A ID="sub:rand_uni:rng_handle"></A></TD> 94<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=75>planck_rng</TD> 95<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=50>INOUT</TD> 96<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=175>structure of type <TT>planck_rng</TT> 97 containing on all information necessary to continue same 98 random sequence.</TD> 99</TR> 100<TR><TD ALIGN="LEFT" VALIGN="TOP" WIDTH=150>var</TD> 101<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=75>DP</TD> 102<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=50>OUT</TD> 103<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=175>number belonging to a pseudo-random uniform deviate.</TD> 104</TR> 105</TABLE> 106 107<P> 108<HR><H1>EXAMPLE:</H1> 109<tt>use healpix_types 110<BR> 111use rngmod 112<BR> 113type(planck_rng) :: rng_handle 114<BR> 115real(dp) :: uni 116<BR> 117<BR> 118call rand_init(rng_handle, 12345, 6789012) 119<BR> 120uni = rand_uni(rng_handle)</tt> 121<blockquote> 122initiates a random sequence with the pair of seeds (12345, 6789012), and 123generates one number out of the uniform deviate. 124</blockquote> 125 126<P> 127<hr><H1>RELATED ROUTINES</H1><h3>This section lists the routines related to <b><FONT COLOR="#CC0000">rand_uni</FONT></b></h3> 128 129 <DL COMPACT><DT> 130<B><A HREF="sub_planck_rng_derived_type.htm#sub:planck_rng">planck_rng</A></B> 131<DD>derived type describing RNG state 132 <DT> 133<B><A HREF="sub_rand_gauss.htm#sub:rand_gauss">rand_gauss</A></B> 134<DD>function which returns a random normal deviate. 135<DT> 136<B><A HREF="sub_rand_init.htm#sub:rand_init">rand_init</A></B> 137<DD>subroutine to initiate a random number sequence. 138 </DL> 139 140<P> 141 142<P> 143 144 145<P> 146 147<P> 148 149<DIV CLASS="navigation"><HR> 150<!--Navigation Panel--> 151<A 152 HREF="sub_rand_init.htm"> 153<IMG WIDTH="63" HEIGHT="24" ALT="previous" SRC="prev.png"></A> 154<A 155 HREF="sub_HEALPix_F90_subroutines.htm"> 156<IMG WIDTH="26" HEIGHT="24" ALT="up" SRC="up.png"></A> 157<A 158 HREF="sub_read_asctab.htm"> 159<IMG WIDTH="37" HEIGHT="24" ALT="next" SRC="next.png"></A> 160<A ID="tex2html460" 161 HREF="sub_TABLE_CONTENTS.htm"> 162<IMG WIDTH="65" HEIGHT="24" ALT="contents" SRC="contents.png"></A> 163<BR> 164<B> Previous:</B> <A 165 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