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<div id="version" align=right><b>petsc-3.14.5 2021-03-03</b></div>
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<A NAME="PetscDTGradedOrderToIndex"><H1>PetscDTGradedOrderToIndex</H1></A>
convert a tuple into an index in a graded order, the inverse of <A HREF="../DT/PetscDTIndexToGradedOrder.html#PetscDTIndexToGradedOrder">PetscDTIndexToGradedOrder</A>().
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscdt.h"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../DT/PetscDTGradedOrderToIndex.html#PetscDTGradedOrderToIndex">PetscDTGradedOrderToIndex</A>(<A HREF="../Sys/PetscInt.html#PetscInt">PetscInt</A> len, const <A HREF="../Sys/PetscInt.html#PetscInt">PetscInt</A> degtup[], <A HREF="../Sys/PetscInt.html#PetscInt">PetscInt</A> *index)
</PRE>
<H3><FONT COLOR="#CC3333">Input Parameters</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>len </B></TD><TD>- the length of the degree tuple
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>degtup </B></TD><TD>- tuple with this length
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Output Parameter</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>index </B></TD><TD>- index in graded order: >= 0
</TD></TR></TABLE>
<P>
<P>
Note: for two tuples x and y with the same degree sum, partial degree sums over the final elements of the tuples
acts as a tiebreaker. For example, (2, 1, 1) and (1, 2, 1) have the same degree sum, but the degree sum over the
last two elements is smaller for the former, so (2, 1, 1) < (1, 2, 1).
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../DT/PetscDTIndexToGradedOrder.html#PetscDTIndexToGradedOrder">PetscDTIndexToGradedOrder</A>()
<BR><P><B></B><H3><FONT COLOR="#CC3333">Level</FONT></H3>Beginner<BR>
<H3><FONT COLOR="#CC3333">Location</FONT></H3>
</B><A HREF="../../../src/dm/dt/interface/dt.c.html#PetscDTGradedOrderToIndex">src/dm/dt/interface/dt.c</A>
<BR><A HREF="./index.html">Index of all DT routines</A>
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