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Good Afternoon,</div>
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Ok. I think I've developed a solution that meets everyone's interest. Please review the below and let me know if you have any questions or comments.</div>
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Quick background. The objective of this function is to provide user friendly access to geometric data associated with a DMPlex with a geometry CAD model attached. This function will replace the originally conceived PetscObjectQuery() method. </div>
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<u>Proposed Function Signature:</u></div>
<div class="elementToProof"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">DMPlexGetGeomCntrlPntAndWeightData(DM dm, PetscHMapI *cpHashTable, PetscInt *cpCoordDataLength,
PetscScalar **cpCoordData, PetscInt *maxNumEquiv, Mat *cpEquiv, PetscHMapI *wHashTable, PetscInt *wDataLength, PetscScalar **wData)</span></div>
<div class="elementToProof"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"><br>
</span></div>
<div class="elementToProof"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">The only input it the DM. All others are outputs.</span></div>
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</span></div>
<div class="elementToProof"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"><u>Proposed Call</u></span></div>
<div class="elementToProof"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> PetscScalar *cpCoordData, *wData;</span></div>
<div class="elementToProof"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> PetscInt cpCoordDataLength, wDataLength, maxNumEquiv;</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> PetscHMapI cpHashTable, wHashTable;</span></div>
<div class="elementToProof"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Mat cpEquiv;</span></div>
<div class="elementToProof"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"><u><br>
</u></span></div>
<div class="elementToProof"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">PetscCall(DMPlexGetGeomCntrlPntAndWeightData(dmNozzle, &cpHashTable, &cpCoordDataLength,
&cpCoordData, &maxNumEquiv, &cpEquiv, &wHashTable, &wDataLength, &wData));</span></div>
<div class="elementToProof"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"><br>
</span></div>
<div class="elementToProof"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"><u>Proposed Function Added to plexegads.c</u></span></div>
<div class="elementToProof"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">DMPlexGetGeomCntrlPntAndWeightData(DM dm, PetscHMapI *cpHashTable, PetscInt *cpCoordDataLength,
PetscScalar **cpCoordData, PetscInt *maxNumEquiv, Mat *cpEquiv, PetscHMapI *wHashTable, PetscInt *wDataLength, PetscScalar **wData)</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">{</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> PetscFunctionBeginHot;</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">#ifdef PETSC_HAVE_EGADS</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> PetscContainer modelObj, cpHashTableObj, wHashTableObj, cpCoordDataObj, wDataObj, cpCoordDataLengthObj,
wDataLengthObj, cpEquivObj, maxNumRelateObj;</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> PetscInt *cpCoordDataLengthPtr, *wDataLengthPtr, *maxNumEquivPtr;</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> PetscHMapI cpHashTableTemp, wHashTableTemp;</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> PetscScalar *cpCoordDataTemp, *wDataTemp;</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Mat cpEquivTemp;</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"><br>
</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> /* Determine which type of EGADS model is attached to the DM */</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> PetscCall(PetscObjectQuery((PetscObject) dm, "EGADS Model", (PetscObject *) &modelObj));</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> if (!modelObj) {</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> PetscCall(PetscObjectQuery((PetscObject) dm, "EGADSlite Model", (PetscObject *) &modelObj));</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> }</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> </span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> if (!modelObj) {PetscFunctionReturn(PETSC_SUCCESS);}</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> </span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> // Look to see if DM has Container for Geometry Control Point Data</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> PetscCall(PetscObjectQuery((PetscObject)dm, "Control Point Hash Table", (PetscObject *)&cpHashTableObj));</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> PetscCall(PetscObjectQuery((PetscObject)dm, "Control Point Coordinates", (PetscObject *)&cpCoordDataObj));</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> PetscCall(PetscObjectQuery((PetscObject)dm, "Control Point Coordinate Data Length", (PetscObject *)&cpCoordDataLengthObj));</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> PetscCall(PetscObjectQuery((PetscObject)dm, "Control Point Weights Hash Table", (PetscObject *)&wHashTableObj));</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> PetscCall(PetscObjectQuery((PetscObject)dm, "Control Point Weight Data", (PetscObject *)&wDataObj));</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> PetscCall(PetscObjectQuery((PetscObject)dm, "Control Point Weight Data Length", (PetscObject *)&wDataLengthObj));</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> PetscCall(PetscObjectQuery((PetscObject)dm, "Control Point Equivalancy Matrix", (PetscObject *)&cpEquivObj));</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> PetscCall(PetscObjectQuery((PetscObject)dm, "Maximum Number Control Point Equivalency", (PetscObject *)&maxNumRelateObj));</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"><br>
</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> // Get attached EGADS model Control Point and Weights Hash Tables and Data Arrays (pointer)</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> PetscCall(PetscContainerGetPointer(cpHashTableObj, (void **)&cpHashTableTemp));</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> PetscCall(PetscContainerGetPointer(cpCoordDataObj, (void **)&cpCoordDataTemp));</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> PetscCall(PetscContainerGetPointer(cpCoordDataLengthObj, (void **)&cpCoordDataLengthPtr));</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> PetscCall(PetscContainerGetPointer(wHashTableObj, (void **)&wHashTableTemp));</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> PetscCall(PetscContainerGetPointer(wDataObj, (void **)&wDataTemp));</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> PetscCall(PetscContainerGetPointer(wDataLengthObj, (void **)&wDataLengthPtr));</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> PetscCall(PetscContainerGetPointer(cpEquivObj, (void **)&cpEquivTemp));</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> PetscCall(PetscContainerGetPointer(maxNumRelateObj, (void **)&maxNumEquivPtr));</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> </span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> *cpCoordDataLength = *cpCoordDataLengthPtr;</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> *wDataLength = *wDataLengthPtr;</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> *maxNumEquiv = *maxNumEquivPtr;</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> *cpEquiv = cpEquivTemp;</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> *cpHashTable = cpHashTableTemp;</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> *wHashTable = wHashTableTemp;</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> *cpCoordData = cpCoordDataTemp;</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> *wData = wDataTemp;</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> #endif</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> </span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> PetscFunctionReturn(PETSC_SUCCESS);</span></div>
<div><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" class="elementToProof">}<br>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Matthew Knepley <knepley@gmail.com><br>
<b>Sent:</b> Tuesday, November 28, 2023 1:26 PM<br>
<b>To:</b> Barry Smith <bsmith@petsc.dev><br>
<b>Cc:</b> Brandon Denton <bldenton@buffalo.edu>; petsc-dev@mcs.anl.gov <petsc-dev@mcs.anl.gov><br>
<b>Subject:</b> Re: [petsc-dev] PetscHMapI passing</font>
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<div dir="ltr">On Mon, Nov 27, 2023 at 1:00 PM Barry Smith <<a href="mailto:bsmith@petsc.dev">bsmith@petsc.dev</a>> wrote:<br>
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What errors do you get?
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<div style="font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Calibri,Helvetica,sans-serif; font-size:12pt">
I am trying to develop a function where the user can specify an empty PetscHMapI variable and the function will retrieve the information attached to the DMPlex. However, when I try something like ...</div>
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<div style="font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Calibri,Helvetica,sans-serif; font-size:12pt">
PETSC_EXTERN PetscErrorCode DMPlexGetGeomInfo(DM dm, PetscHMapI hashTable) </div>
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I don't understand the design of specifying and empty one. Why not have </div>
<div><span style="font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Calibri,Helvetica,sans-serif; font-size:12pt"><br>
</span></div>
<div><span style="font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Calibri,Helvetica,sans-serif; font-size:12pt">PETSC_EXTERN PetscErrorCode DMPlexGetGeomInfo(DM dm, PetscHMapI *hashTable) </span></div>
<div><span style="font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Calibri,Helvetica,sans-serif; font-size:12pt"><br>
</span></div>
<div><span style="font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Calibri,Helvetica,sans-serif; font-size:12pt">and return the one you have inside your container?</span></div>
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<div>This sounds like the right design. Does that work?</div>
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<div> Thanks,</div>
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<div> Matt</div>
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<div>On Nov 27, 2023, at 9:11 AM, Brandon Denton via petsc-dev <<a href="mailto:petsc-dev@mcs.anl.gov" target="_blank">petsc-dev@mcs.anl.gov</a>> wrote:</div>
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<div style="font-style:normal; font-variant-caps:normal; font-weight:400; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none; font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Calibri,Helvetica,sans-serif; font-size:12pt">
Good Morning,</div>
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I am trying to develop a function in PETSc that allows for the retrieval of a PetscHMapI contained in a PetscContainer attached to a DMPlex. The creation of this Hash Table and its attachment to the DMPlex is automated as part of the CAD/Discretization integration
I've been developing. Currently, the only way to get this Hash Table is through the PetscObjectQuery() functionality. In an effort to make it easier for users to access and use this information, I am trying to develop a function where the user can specify
an empty PetscHMapI variable and the function will retrieve the information attached to the DMPlex. However, when I try something like ...</div>
<div style="font-style:normal; font-variant-caps:normal; font-weight:400; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none; font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Calibri,Helvetica,sans-serif; font-size:12pt">
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PETSC_EXTERN PetscErrorCode DMPlexGetGeomInfo(DM dm, PetscHMapI hashTable) </div>
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I get a ton of compilation errors associated with the PetscHMapI designation. Is there a way around this?</div>
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Thank you.</div>
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Brandon</div>
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<span class="x_gmail_signature_prefix">-- </span><br>
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<div>What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead.<br>
-- Norbert Wiener</div>
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<div><a href="http://www.cse.buffalo.edu/~knepley/" target="_blank">https://www.cse.buffalo.edu/~knepley/</a><br>
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