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>HEALPix/C subroutines</TITLE> 7<META NAME="description" CONTENT="HEALPix/C subroutines"> 8<META NAME="keywords" CONTENT="csub"> 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' href='images/favicons/safari-pinned-tab.svg?v=2017' color='#5bbad5'> 20 <link rel='shortcut icon' href='images/favicons/favicon.ico?v=2017'> 21 <meta name='apple-mobile-web-app-title' content='HEALPix'> 22 <meta name='application-name' content='HEALPix'> 23 <meta name='msapplication-config' content='images/favicons/browserconfig.xml?v=2017'> 24 <meta name='theme-color' content='#ffffff'> 25 26<LINK REL="STYLESHEET" HREF="csub.css"> 27 28<LINK REL="next" HREF="csub_Contents.htm"> 29</HEAD> 30 31<body text="#000000" bgcolor="#FFFFFA"> 32 33<DIV CLASS="navigation"><!--Navigation Panel--> 34<IMG WIDTH="63" HEIGHT="24" ALT="previous" SRC="prev_g.png"> 35<A 36 HREF="main.htm"> 37<IMG WIDTH="26" HEIGHT="24" ALT="up" SRC="up.png"></A> 38<A 39 HREF="csub_Contents.htm"> 40<IMG WIDTH="37" HEIGHT="24" ALT="next" SRC="next.png"></A> 41<A ID="tex2html4" 42 HREF="csub_Contents.htm"> 43<IMG WIDTH="65" HEIGHT="24" ALT="contents" SRC="contents.png"></A> 44<BR> 45<B>Up:</B> <A 46 HREF="main.htm">Main Page</A> 47 48<B> Next:</B> <A 49 HREF="csub_Contents.htm">Contents</A> 50<B> Top:</B> <a href="main.htm">Main Page</a></DIV> 51<!--End of Navigation Panel--> 52 53<P> 54 55<A ID="sub:subroutines"></A> 56 57<H1 ALIGN=CENTER><b>HEALPix</b> C Subroutines Overview</H1> 58<div id=abstract align=center>This document is an overview of the <b>HEALPix</b> C subroutines.</div> 59<P ALIGN=CENTER><STRONG>Eric Hivon, Anthony J. Banday, Matthias Bartelmann, Frode K. Hansen, 60Krzysztof M. Górski, Martin Reinecke and Benjamin D. Wandelt</STRONG></P> 61<BR><P ALIGN=CENTER><I>Revision: </I>Version 3.50; December 10, 2018</P> 62<P ALIGN=CENTER><A ID="tex2html1" 63 HREF="https://healpix.sourceforge.io">https://healpix.sourceforge.io</A> 64<BR><A ID="tex2html2" 65 HREF="http://healpix.sf.net">http://healpix.sf.net</A></P> 66 67<P> 68<BR><HR> 69<!--Table of Child-Links--> 70<A ID="CHILD_LINKS"></A> 71 72<UL CLASS="ChildLinks"> 73<LI><A ID="tex2html6" 74 HREF="csub_Contents.htm">Contents</A> 75<LI><A ID="tex2html7" 76 HREF="csub_Conventions.htm">Conventions</A> 77<LI><A ID="tex2html8" 78 HREF="csub_Compilation_Installation.htm">Compilation and Installation</A> 79<LI><A ID="tex2html9" 80 HREF="csub_Usage.htm">Usage</A> 81<LI><A ID="tex2html10" 82 HREF="csub_Note_on_C_routines.htm">Note on the C routines</A> 83<LI><A ID="tex2html11" 84 HREF="csub_ang2vec.htm">ang2vec</A> 85<LI><A ID="tex2html12" 86 HREF="csub_get_fits_size.htm">get_fits_size</A> 87<LI><A ID="tex2html13" 88 HREF="csub_npix2nside.htm">npix2nside</A> 89<LI><A ID="tex2html14" 90 HREF="csub_nside2npix.htm">nside2npix</A> 91<LI><A ID="tex2html15" 92 HREF="csub_pix2xxx_ang2xxx_vec2xxx_nes.htm">pix2xxx, ang2xxx, vec2xxx, nest2ring, ring2nest</A> 93<LI><A ID="tex2html16" 94 HREF="csub_read_healpix_map.htm">read_healpix_map</A> 95<LI><A ID="tex2html17" 96 HREF="csub_vec2ang.htm">vec2ang</A> 97<LI><A ID="tex2html18" 98 HREF="csub_write_healpix_map.htm">write_healpix_map</A> 99<LI><A ID="tex2html19" 100 HREF="csub_About_this_document.htm">About this document ...</A> 101</UL> 102<!--End of Table of Child-Links--> 103 104<DIV CLASS="navigation"><HR> 105<!--Navigation Panel--> 106<IMG WIDTH="63" HEIGHT="24" ALT="previous" SRC="prev_g.png"> 107<A 108 HREF="main.htm"> 109<IMG WIDTH="26" HEIGHT="24" ALT="up" SRC="up.png"></A> 110<A 111 HREF="csub_Contents.htm"> 112<IMG WIDTH="37" HEIGHT="24" ALT="next" SRC="next.png"></A> 113<A ID="tex2html4" 114 HREF="csub_Contents.htm"> 115<IMG WIDTH="65" HEIGHT="24" ALT="contents" SRC="contents.png"></A> 116<BR> 117<B>Up:</B> <A 118 HREF="main.htm">Main Page</A> 119 120<B> Next:</B> <A 121 HREF="csub_Contents.htm">Contents</A> 122<B> Top:</B> <a href="main.htm">Main Page</a></DIV> 123<!--End of Navigation Panel--> 124<ADDRESS> 125Version 3.50, 2018-12-10 126</ADDRESS> 127</BODY> 128</HTML> 129