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2 | 1 | equemene | <HEAD>
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3 | 1 | equemene | <TITLE>HPL_numrocI HPL 2.0 Library Functions September 10, 2008</TITLE> |
4 | 1 | equemene | </HEAD>
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5 | 1 | equemene | |
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8 | 1 | equemene | |
9 | 1 | equemene | <H1>Name</H1> |
10 | 1 | equemene | <B>HPL_numrocI</B> Compute the local number of row/columns. |
11 | 1 | equemene | |
12 | 1 | equemene | <H1>Synopsis</H1> |
13 | 1 | equemene | <CODE>#include "hpl.h"</CODE><BR><BR> |
14 | 1 | equemene | <CODE>int</CODE> |
15 | 1 | equemene | <CODE>HPL_numrocI(</CODE> |
16 | 1 | equemene | <CODE>const int</CODE> |
17 | 1 | equemene | <CODE>N</CODE>, |
18 | 1 | equemene | <CODE>const int</CODE> |
19 | 1 | equemene | <CODE>I</CODE>, |
20 | 1 | equemene | <CODE>const int</CODE> |
21 | 1 | equemene | <CODE>INB</CODE>, |
22 | 1 | equemene | <CODE>const int</CODE> |
23 | 1 | equemene | <CODE>NB</CODE>, |
24 | 1 | equemene | <CODE>const int</CODE> |
25 | 1 | equemene | <CODE>PROC</CODE>, |
26 | 1 | equemene | <CODE>const int</CODE> |
27 | 1 | equemene | <CODE>SRCPROC</CODE>, |
28 | 1 | equemene | <CODE>const int</CODE> |
29 | 1 | equemene | <CODE>NPROCS</CODE> |
30 | 1 | equemene | <CODE>);</CODE> |
31 | 1 | equemene | |
32 | 1 | equemene | <H1>Description</H1> |
33 | 1 | equemene | <B>HPL_numrocI</B> |
34 | 1 | equemene | returns the local number of matrix rows/columns process |
35 | 1 | equemene | PROC will get if we give out N rows/columns starting from global |
36 | 1 | equemene | index I. |
37 | 1 | equemene | |
38 | 1 | equemene | <H1>Arguments</H1> |
39 | 1 | equemene | <PRE>
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40 | 1 | equemene | N (input) const int |
41 | 1 | equemene | On entry, N specifies the number of rows/columns being dealt |
42 | 1 | equemene | out. N must be at least zero. |
43 | 1 | equemene | </PRE>
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44 | 1 | equemene | <PRE>
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45 | 1 | equemene | I (input) const int |
46 | 1 | equemene | On entry, I specifies the global index of the matrix entry |
47 | 1 | equemene | I must be at least zero. |
48 | 1 | equemene | </PRE>
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49 | 1 | equemene | <PRE>
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50 | 1 | equemene | INB (input) const int |
51 | 1 | equemene | On entry, INB specifies the size of the first block of th |
52 | 1 | equemene | global matrix. INB must be at least one. |
53 | 1 | equemene | </PRE>
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54 | 1 | equemene | <PRE>
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55 | 1 | equemene | NB (input) const int |
56 | 1 | equemene | On entry, NB specifies the blocking factor used to partition |
57 | 1 | equemene | and distribute the matrix A. NB must be larger than one. |
58 | 1 | equemene | </PRE>
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59 | 1 | equemene | <PRE>
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60 | 1 | equemene | PROC (input) const int |
61 | 1 | equemene | On entry, PROC specifies the coordinate of the process whos |
62 | 1 | equemene | local portion is determined. PROC must be at least zero an |
63 | 1 | equemene | strictly less than NPROCS. |
64 | 1 | equemene | </PRE>
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65 | 1 | equemene | <PRE>
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66 | 1 | equemene | SRCPROC (input) const int |
67 | 1 | equemene | On entry, SRCPROC specifies the coordinate of the proces |
68 | 1 | equemene | that possesses the first row or column of the matrix. SRCPRO |
69 | 1 | equemene | must be at least zero and strictly less than NPROCS. |
70 | 1 | equemene | </PRE>
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71 | 1 | equemene | <PRE>
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72 | 1 | equemene | NPROCS (input) const int |
73 | 1 | equemene | On entry, NPROCS specifies the total number of process row |
74 | 1 | equemene | or columns over which the matrix is distributed. NPROCS mus |
75 | 1 | equemene | be at least one. |
76 | 1 | equemene | </PRE>
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77 | 1 | equemene | |
78 | 1 | equemene | <H1>See Also</H1> |
79 | 1 | equemene | <A HREF="HPL_indxg2l.html">HPL_indxg2l</A>, |
80 | 1 | equemene | <A HREF="HPL_indxg2lp.html">HPL_indxg2lp</A>, |
81 | 1 | equemene | <A HREF="HPL_indxg2p.html">HPL_indxg2p</A>, |
82 | 1 | equemene | <A HREF="HPL_indxl2g.html">HPL_indxl2g</A>, |
83 | 1 | equemene | <A HREF="HPL_numroc.html">HPL_numroc</A>. |
84 | 1 | equemene | |
85 | 1 | equemene | </BODY>
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86 | 1 | equemene | </HTML> |