Initial commit

author: Joseph Hunkeler <jhunkeler@gmail.com> 2015-03-04 21:21:30 -0500
committer: Joseph Hunkeler <jhunkeler@gmail.com> 2015-03-04 21:21:30 -0500
commit: d54fe7c1f704a63824c5bfa0ece65245572e9b27 (patch)
tree: afc52015ffc2c74e0266653eecef1c8ef8ba5d91 /src/slalib/sun67.htx/node47.html
download: calfuse-d54fe7c1f704a63824c5bfa0ece65245572e9b27.tar.gz
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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN">
+<!--Converted with LaTeX2HTML 97.1 (release) (July 13th, 1997)
+ by Nikos Drakos (nikos@cbl.leeds.ac.uk), CBLU, University of Leeds
+* revised and updated by:  Marcus Hennecke, Ross Moore, Herb Swan
+* with significant contributions from:
+  Jens Lippman, Marek Rouchal, Martin Wilck and others -->
+<HTML>
+<HEAD>
+<TITLE>SLA_DBJIN - Decode String to B/J Epoch (DP)</TITLE>
+<META NAME="description" CONTENT="SLA_DBJIN - Decode String to B/J Epoch (DP)">
+<META NAME="keywords" CONTENT="sun67">
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+<BR> <HR> <P>
+<P><!--End of Navigation Panel-->
+<H2><A NAME="SECTION000434000000000000000">SLA_DBJIN - Decode String to B/J Epoch (DP)</A>
+<A NAME="xref_SLA_DBJIN">&#160;</A><A NAME="SLA_DBJIN">&#160;</A>
+</H2>
+       <DL>
+<DT><STRONG>ACTION:</STRONG>
+<DD>Decode a character string into a DOUBLE PRECISION number,
+with special provision for Besselian and Julian epochs.
+         The string syntax is as for sla_DFLTIN, prefixed by
+         an optional `B' or `J'.
+<P>    <DT><STRONG>CALL:</STRONG>
+<DD><TT>CALL sla_DBJIN (STRING, NSTRT, DRESLT, J1, J2)</TT>
+<P>       </DL>
+<P>     <DL>
+<DT><STRONG>GIVEN:</STRONG>
+<DD>
+<BR>
+<TABLE CELLPADDING=3>
+<TR VALIGN="TOP"><TD ALIGN="LEFT"><EM>STRING</EM></TD>
+<TH ALIGN="LEFT"><B>C</B></TH>
+<TD ALIGN="LEFT" NOWRAP>string containing field to be decoded</TD>
+</TR>
+<TR VALIGN="TOP"><TD ALIGN="LEFT"><EM>NSTRT</EM></TD>
+<TD ALIGN="LEFT"><B>I</B></TD>
+<TD ALIGN="LEFT" NOWRAP>pointer to first character of field in string</TD>
+</TR>
+</TABLE></DL>
+<P>     <DL>
+<DT><STRONG>RETURNED:</STRONG>
+<DD>
+<BR>
+<TABLE CELLPADDING=3>
+<TR VALIGN="TOP"><TD ALIGN="LEFT"><EM>NSTRT</EM></TD>
+<TH ALIGN="LEFT"><B>I</B></TH>
+<TD ALIGN="LEFT" NOWRAP>incremented past the decoded field</TD>
+</TR>
+<TR VALIGN="TOP"><TD ALIGN="LEFT"><EM>DRESLT</EM></TD>
+<TD ALIGN="LEFT"><B>D</B></TD>
+<TD ALIGN="LEFT" NOWRAP>result</TD>
+</TR>
+<TR VALIGN="TOP"><TD ALIGN="LEFT"><EM>J1</EM></TD>
+<TD ALIGN="LEFT"><B>I</B></TD>
+<TD ALIGN="LEFT" NOWRAP>DFLTIN status:</TD>
+</TR>
+<TR VALIGN="TOP"><TD ALIGN="LEFT"><EM></EM></TD>
+<TD ALIGN="LEFT"><B></B></TD>
+<TD ALIGN="LEFT" NOWRAP>  -1 = -OK</TD>
+</TR>
+<TR VALIGN="TOP"><TD ALIGN="LEFT"><EM></EM></TD>
+<TD ALIGN="LEFT"><B></B></TD>
+<TD ALIGN="LEFT" NOWRAP>    0 = +OK</TD>
+</TR>
+<TR VALIGN="TOP"><TD ALIGN="LEFT"><EM></EM></TD>
+<TD ALIGN="LEFT"><B></B></TD>
+<TD ALIGN="LEFT" NOWRAP>    1 = null field</TD>
+</TR>
+<TR VALIGN="TOP"><TD ALIGN="LEFT"><EM></EM></TD>
+<TD ALIGN="LEFT"><B></B></TD>
+<TD ALIGN="LEFT" NOWRAP>    2 = error</TD>
+</TR>
+<TR VALIGN="TOP"><TD ALIGN="LEFT"><EM>J2</EM></TD>
+<TD ALIGN="LEFT"><B>I</B></TD>
+<TD ALIGN="LEFT" NOWRAP>syntax flag:</TD>
+</TR>
+<TR VALIGN="TOP"><TD ALIGN="LEFT"><EM></EM></TD>
+<TD ALIGN="LEFT"><B></B></TD>
+<TD ALIGN="LEFT" NOWRAP>    0 = normal DFLTIN syntax</TD>
+</TR>
+<TR VALIGN="TOP"><TD ALIGN="LEFT"><EM></EM></TD>
+<TD ALIGN="LEFT"><B></B></TD>
+<TD ALIGN="LEFT" NOWRAP>    1 = `B' or `b'</TD>
+</TR>
+<TR VALIGN="TOP"><TD ALIGN="LEFT"><EM></EM></TD>
+<TD ALIGN="LEFT"><B></B></TD>
+<TD ALIGN="LEFT" NOWRAP>    2 = `J' or `j'</TD>
+</TR>
+</TABLE></DL>
+<P>      <DL>
+<DT><STRONG>NOTES:</STRONG>
+<DD><DL COMPACT>
+<DT>1.
+<DD>The purpose of the syntax extensions is to help cope with mixed
+FK4 and FK5 data, allowing fields such as `B1950' or `J2000'
+to be decoded.
+  <DT>2.
+<DD>In addition to the syntax accepted by sla_DFLTIN,
+        the following two extensions are recognized by sla_DBJIN:
+        <DL COMPACT>
+<DT>(a)
+<DD>A valid non-null field preceded by the character `B'
+(or `b') is accepted.
+         <DT>(b)
+<DD>A valid non-null field preceded by the character `J'
+               (or `j') is accepted.
+         </DL>
+  <DT>3.
+<DD>The calling program is told of the `B' or `J' through an
+        supplementary status argument.  The rest of
+        the arguments are as for sla_DFLTIN.
+ </DL></DL>
+<BR> <HR>
+<A NAME="tex2html896" HREF="node48.html">
+<IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="next_motif.gif"></A> 
+<A NAME="tex2html894" HREF="node13.html">
+<IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="up_motif.gif"></A> 
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+<IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="previous_motif.gif"></A>   <A HREF="sun67.html#stardoccontents"><IMG  ALIGN="BOTTOM" BORDER="0"
+ SRC="contents_motif.gif"></A>
+<BR>
+<B> Next:</B> <A NAME="tex2html897" HREF="node48.html">SLA_DC62S - Cartesian 6-Vector to Spherical</A>
+<BR>
+<B>Up:</B> <A NAME="tex2html895" HREF="node13.html">SUBPROGRAM SPECIFICATIONS</A>
+<BR>
+<B> Previous:</B> <A NAME="tex2html889" HREF="node46.html">SLA_DBEAR - Direction Between Points on a Sphere</A>
+<BR> <HR> <P>
+<P><!--End of Navigation Panel-->
+<ADDRESS>
+<I>SLALIB --- Positional Astronomy Library<BR>Starlink User Note 67<BR>P. T. Wallace<BR>12 October 1999<BR>E-mail:ptw@star.rl.ac.uk</I>
+</ADDRESS>
+</BODY>
+</HTML>
author	Joseph Hunkeler <jhunkeler@gmail.com>	2015-03-04 21:21:30 -0500
committer	Joseph Hunkeler <jhunkeler@gmail.com>	2015-03-04 21:21:30 -0500
commit	d54fe7c1f704a63824c5bfa0ece65245572e9b27 (patch)
tree	afc52015ffc2c74e0266653eecef1c8ef8ba5d91 /src/slalib/sun67.htx/node47.html
download	calfuse-d54fe7c1f704a63824c5bfa0ece65245572e9b27.tar.gz