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diff --git a/src/slalib/sun67.htx/node37.html b/src/slalib/sun67.htx/node37.html new file mode 100644 index 0000000..cd25af4 --- /dev/null +++ b/src/slalib/sun67.htx/node37.html @@ -0,0 +1,121 @@ +<!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_CR2TF - Radians to Hour,Min,Sec</TITLE> +<META NAME="description" CONTENT="SLA_CR2TF - Radians to Hour,Min,Sec"> +<META NAME="keywords" CONTENT="sun67"> +<META NAME="resource-type" CONTENT="document"> +<META NAME="distribution" CONTENT="global"> +<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso_8859_1"> +<LINK REL="STYLESHEET" HREF="sun67.css"> +<LINK REL="next" HREF="node38.html"> +<LINK REL="previous" HREF="node36.html"> +<LINK REL="up" HREF="node13.html"> +<LINK REL="next" HREF="node38.html"> +</HEAD> +<BODY > +<BR> <HR> +<A NAME="tex2html796" HREF="node38.html"> +<IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="next_motif.gif"></A> +<A NAME="tex2html794" HREF="node13.html"> +<IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="up_motif.gif"></A> +<A NAME="tex2html788" HREF="node36.html"> +<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="tex2html797" HREF="node38.html">SLA_CS2C - Spherical to Cartesian</A> +<BR> +<B>Up:</B> <A NAME="tex2html795" HREF="node13.html">SUBPROGRAM SPECIFICATIONS</A> +<BR> +<B> Previous:</B> <A NAME="tex2html789" HREF="node36.html">SLA_CR2AF - Radians to Deg,Arcmin,Arcsec</A> +<BR> <HR> <P> +<P><!--End of Navigation Panel--> +<H2><A NAME="SECTION000424000000000000000">SLA_CR2TF - Radians to Hour,Min,Sec</A> +<A NAME="xref_SLA_CR2TF"> </A><A NAME="SLA_CR2TF"> </A> +</H2> + <DL> +<DT><STRONG>ACTION:</STRONG> +<DD>Convert an angle in radians to hours, minutes, seconds +(single precision). +<P> <DT><STRONG>CALL:</STRONG> +<DD><TT>CALL sla_CR2TF (NDP, ANGLE, SIGN, IHMSF)</TT> +<P> </DL> +<P> <DL> +<DT><STRONG>GIVEN:</STRONG> +<DD> +<BR> +<TABLE CELLPADDING=3> +<TR VALIGN="TOP"><TD ALIGN="LEFT"><EM>NDP</EM></TD> +<TH ALIGN="LEFT"><B>I</B></TH> +<TD ALIGN="LEFT" NOWRAP>number of decimal places of seconds</TD> +</TR> +<TR VALIGN="TOP"><TD ALIGN="LEFT"><EM>ANGLE</EM></TD> +<TD ALIGN="LEFT"><B>R</B></TD> +<TD ALIGN="LEFT" NOWRAP>angle in radians</TD> +</TR> +</TABLE></DL> +<P> <DL> +<DT><STRONG>RETURNED:</STRONG> +<DD> +<BR> +<TABLE CELLPADDING=3> +<TR VALIGN="TOP"><TD ALIGN="LEFT"><EM>SIGN</EM></TD> +<TH ALIGN="LEFT"><B>C</B></TH> +<TD ALIGN="LEFT" NOWRAP>`+' or `-'</TD> +</TR> +<TR VALIGN="TOP"><TD ALIGN="LEFT"><EM>IHMSF</EM></TD> +<TD ALIGN="LEFT"><B>I(4)</B></TD> +<TD ALIGN="LEFT" NOWRAP>hours, minutes, seconds, fraction</TD> +</TR> +</TABLE></DL> +<P> <DL> +<DT><STRONG>NOTES:</STRONG> +<DD><DL COMPACT> +<DT>1. +<DD>NDP less than zero is interpreted as zero. +<DT>2. +<DD>The largest useful value for NDP is determined by the size of +ANGLE, the format of REAL floating-point numbers on the target + machine, and the risk of overflowing IHMSF(4). For example, + on a VAX computer, for ANGLE up to <IMG WIDTH="20" HEIGHT="14" ALIGN="BOTTOM" BORDER="0" + SRC="img52.gif" + ALT="$2\pi$">, the available floating-point + precision corresponds roughly to NDP=3. This is well below + the ultimate limit of NDP=9 set by the capacity of the 32-bit + integer IHMSF(4). + <DT>3. +<DD>The absolute value of ANGLE may exceed <IMG WIDTH="20" HEIGHT="14" ALIGN="BOTTOM" BORDER="0" + SRC="img52.gif" + ALT="$2\pi$">. In cases where it + does not, it is up to the caller to test for and handle the + case where ANGLE is very nearly <IMG WIDTH="20" HEIGHT="14" ALIGN="BOTTOM" BORDER="0" + SRC="img52.gif" + ALT="$2\pi$"> and rounds up to 24 hours, + by testing for IHMSF(1)=24 and setting IHMSF(1-4) to zero. +</DL></DL> +<BR> <HR> +<A NAME="tex2html796" HREF="node38.html"> +<IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="next_motif.gif"></A> +<A NAME="tex2html794" HREF="node13.html"> +<IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="up_motif.gif"></A> +<A NAME="tex2html788" HREF="node36.html"> +<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="tex2html797" HREF="node38.html">SLA_CS2C - Spherical to Cartesian</A> +<BR> +<B>Up:</B> <A NAME="tex2html795" HREF="node13.html">SUBPROGRAM SPECIFICATIONS</A> +<BR> +<B> Previous:</B> <A NAME="tex2html789" HREF="node36.html">SLA_CR2AF - Radians to Deg,Arcmin,Arcsec</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> |