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| 2 | 1 | equemene | <HEAD>
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| 3 | 1 | equemene | <TITLE>HPL_grid_info HPL 2.0 Library Functions September 10, 2008</TITLE> |
| 4 | 1 | equemene | </HEAD>
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| 5 | 1 | equemene | |
| 6 | 1 | equemene | <BODY BGCOLOR="WHITE" TEXT = "#000000" LINK = "#0000ff" VLINK = "#000099" |
| 7 | 1 | equemene | ALINK = "#ffff00"> |
| 8 | 1 | equemene | |
| 9 | 1 | equemene | <H1>Name</H1> |
| 10 | 1 | equemene | <B>HPL_grid_info</B> Retrieve grid information. |
| 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_grid_info(</CODE> |
| 16 | 1 | equemene | <CODE>const HPL_T_grid *</CODE> |
| 17 | 1 | equemene | <CODE>GRID</CODE>, |
| 18 | 1 | equemene | <CODE>int *</CODE> |
| 19 | 1 | equemene | <CODE>NPROW</CODE>, |
| 20 | 1 | equemene | <CODE>int *</CODE> |
| 21 | 1 | equemene | <CODE>NPCOL</CODE>, |
| 22 | 1 | equemene | <CODE>int *</CODE> |
| 23 | 1 | equemene | <CODE>MYROW</CODE>, |
| 24 | 1 | equemene | <CODE>int *</CODE> |
| 25 | 1 | equemene | <CODE>MYCOL</CODE> |
| 26 | 1 | equemene | <CODE>);</CODE> |
| 27 | 1 | equemene | |
| 28 | 1 | equemene | <H1>Description</H1> |
| 29 | 1 | equemene | <B>HPL_grid_info</B> |
| 30 | 1 | equemene | returns the grid shape and the coordinates in the grid |
| 31 | 1 | equemene | of the calling process. Successful completion is indicated by the |
| 32 | 1 | equemene | returned error code MPI_SUCCESS. Other error codes depend on the MPI |
| 33 | 1 | equemene | implementation. |
| 34 | 1 | equemene | |
| 35 | 1 | equemene | <H1>Arguments</H1> |
| 36 | 1 | equemene | <PRE>
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| 37 | 1 | equemene | GRID (local input) const HPL_T_grid * |
| 38 | 1 | equemene | On entry, GRID points to the data structure containing the |
| 39 | 1 | equemene | process grid information. |
| 40 | 1 | equemene | </PRE>
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| 41 | 1 | equemene | <PRE>
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| 42 | 1 | equemene | NPROW (global output) int * |
| 43 | 1 | equemene | On exit, NPROW specifies the number of process rows in the |
| 44 | 1 | equemene | grid. NPROW is at least one. |
| 45 | 1 | equemene | </PRE>
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| 46 | 1 | equemene | <PRE>
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| 47 | 1 | equemene | NPCOL (global output) int * |
| 48 | 1 | equemene | On exit, NPCOL specifies the number of process columns in |
| 49 | 1 | equemene | the grid. NPCOL is at least one. |
| 50 | 1 | equemene | </PRE>
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| 51 | 1 | equemene | <PRE>
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| 52 | 1 | equemene | MYROW (global output) int * |
| 53 | 1 | equemene | On exit, MYROW specifies my row process coordinate in the |
| 54 | 1 | equemene | grid. MYROW is greater than or equal to zero and less than |
| 55 | 1 | equemene | NPROW. |
| 56 | 1 | equemene | </PRE>
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| 57 | 1 | equemene | <PRE>
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| 58 | 1 | equemene | MYCOL (global output) int * |
| 59 | 1 | equemene | On exit, MYCOL specifies my column process coordinate in the |
| 60 | 1 | equemene | grid. MYCOL is greater than or equal to zero and less than |
| 61 | 1 | equemene | NPCOL. |
| 62 | 1 | equemene | </PRE>
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| 63 | 1 | equemene | |
| 64 | 1 | equemene | <H1>See Also</H1> |
| 65 | 1 | equemene | <A HREF="HPL_pnum.html">HPL_pnum</A>, |
| 66 | 1 | equemene | <A HREF="HPL_grid_init.html">HPL_grid_init</A>, |
| 67 | 1 | equemene | <A HREF="HPL_grid_exit.html">HPL_grid_exit</A>. |
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| 70 | 1 | equemene | </HTML> |