222 lines
7.1 KiB
C++
222 lines
7.1 KiB
C++
/* This example creates a zone with a single polyhedral cell. */
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/* DOCSTART:pyramid.txt*/
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#include "TECIO.h"
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#include "MASTER.h" /* for defintion of NULL */
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int main()
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{
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/* Call TECINI112 */
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INTEGER4 FileType = 0; /* 0 for full file */
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INTEGER4 Debug = 0;
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INTEGER4 VIsDouble = 1;
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INTEGER4 I = 0; /* use to check return codes */
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I = TECINI112((char*)"Pyramid", /* Data Set Title */
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(char*)"X Y Z", /* Variable List */
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(char*)"pyramid.plt", /* File Name */
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(char*)".", /* Scratch Directory */
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&(FileType),
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&(Debug),
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&(VIsDouble));
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/* Call TECZNE112 */
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INTEGER4 ZoneType = 7; /* 7 for FEPolyhedron */
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INTEGER4 NumNodes = 5; /* number of unique nodes */
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INTEGER4 NumElems = 1; /* number of elements */
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INTEGER4 NumFaces = 5; /* number of unique faces */
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INTEGER4 ICellMax = 0; /* Not Used, set to zero */
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INTEGER4 JCellMax = 0; /* Not Used, set to zero */
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INTEGER4 KCellMax = 0; /* Not Used, set to zero */
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double SolTime = 12.65; /* solution time */
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INTEGER4 StrandID = 0; /* static zone */
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INTEGER4 ParentZone = 0; /* no parent zone */
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INTEGER4 IsBlock = 1; /* block format */
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INTEGER4 NFConns = 0; /* not used for FEPolyhedron
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* zones
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*/
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INTEGER4 FNMode = 0; /* not used for FEPolyhedron
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* zones
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*/
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INTEGER4 *PassiveVarArray = NULL;
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INTEGER4 *ValueLocArray = NULL;
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INTEGER4 *VarShareArray = NULL;
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INTEGER4 ShrConn = 0;
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/* The number of face nodes in the zone. This example creates
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* a zone with a single pyramidal cell. This cell has four
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* triangular faces and one rectangular face, yielding a total
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* of 16 face nodes.
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*/
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INTEGER4 NumFaceNodes = 16;
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INTEGER4 NumBConns = 0; /* No Boundary Connections */
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INTEGER4 NumBItems = 0; /* No Boundary Items */
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I = TECZNE112((char*)"Polyhedral Zone (Octahedron)",
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&ZoneType,
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&NumNodes,
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&NumElems,
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&NumFaces,
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&ICellMax,
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&JCellMax,
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&KCellMax,
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&SolTime,
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&StrandID,
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&ParentZone,
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&IsBlock,
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&NFConns,
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&FNMode,
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&NumFaceNodes,
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&NumBConns,
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&NumBItems,
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PassiveVarArray,
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ValueLocArray,
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VarShareArray,
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&ShrConn);
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/* Initialize arrays of nodal data */
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double *X = new double[NumNodes];
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double *Y = new double[NumNodes];
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double *Z = new double[NumNodes];
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X[0] = 0;
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Y[0] = 0;
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Z[0] = 0;
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X[1] = 1;
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Y[1] = 1;
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Z[1] = 2;
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X[2] = 2;
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Y[2] = 0;
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Z[2] = 0;
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X[3] = 2;
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Y[3] = 2;
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Z[3] = 0;
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X[4] = 0;
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Y[4] = 2;
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Z[4] = 0;
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/* Write the data (using TECDAT112) */
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INTEGER4 DIsDouble = 1; /* One for double precision */
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I = TECDAT112(&NumNodes, X, &DIsDouble);
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I = TECDAT112(&NumNodes, Y, &DIsDouble);
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I = TECDAT112(&NumNodes, Z, &DIsDouble);
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delete X;
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delete Y;
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delete Z;
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/* Define the Face Nodes.
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* The FaceNodes array is used to indicate which nodes define
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* which face. As mentioned earlier, the number of the nodes is
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* implicitly defined by the order in which the nodal data is
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* provided. The first value of each nodal variable describes
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* node 1, the second value describes node 2, and so on.
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*
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* The face numbering is implicitly defined. Because there are
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* two nodes in each face, the first two nodes provided define
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* face 1, the next two define face 2 and so on. If there was
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* a variable number of nodes used to define the faces, the
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* array would be more complicated.
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*/
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INTEGER4 *FaceNodeCounts = new INTEGER4[NumFaces];
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/* The first four faces are triangular, i.e. have three nodes.
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* The fifth face is rectangular, i.e. has four nodes. */
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FaceNodeCounts[0] = 3;
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FaceNodeCounts[1] = 3;
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FaceNodeCounts[2] = 3;
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FaceNodeCounts[3] = 3;
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FaceNodeCounts[4] = 4;
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INTEGER4 *FaceNodes = new INTEGER4[NumFaceNodes];
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/* Face Nodes for Face 1 */
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FaceNodes[0] = 1;
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FaceNodes[1] = 2;
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FaceNodes[2] = 3;
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/* Face Nodes for Face 2 */
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FaceNodes[3] = 3;
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FaceNodes[4] = 2;
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FaceNodes[5] = 4;
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/* Face Nodes for Face 3 */
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FaceNodes[6] = 5;
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FaceNodes[7] = 2;
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FaceNodes[8] = 4;
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/* Face Nodes for Face 4 */
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FaceNodes[9] = 1;
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FaceNodes[10] = 2;
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FaceNodes[11] = 5;
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/* Face Nodes for Face 5 */
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FaceNodes[12] = 1;
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FaceNodes[13] = 5;
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FaceNodes[14] = 4;
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FaceNodes[15] = 3;
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/* Define the right and left elements of each face.
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*
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* The last step for writing out the polyhedral data is to
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* define the right and left neighboring elements for each
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* face. The neighboring elements can be determined using the
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* right-hand rule. For each face, place your right-hand along
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* the face which your fingers pointing the direction of
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* incrementing node numbers (i.e. from node 1 to node 2).
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* Your right thumb will point towards the right element; the
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* element on the other side of your hand is the left element.
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*
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* The number zero is used to indicate that there isn't an
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* element on that side of the face.
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*
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* Because of the way we numbered the nodes and faces, the
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* right element for every face is the element itself
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* (element 1) and the left element is "no-neighboring element"
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* (element 0).
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*/
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INTEGER4 *FaceLeftElems = new INTEGER4[NumFaces];
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FaceLeftElems[0] = 1;
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FaceLeftElems[1] = 1;
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FaceLeftElems[2] = 0;
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FaceLeftElems[3] = 0;
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FaceLeftElems[4] = 0;
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INTEGER4 *FaceRightElems = new INTEGER4[NumFaces];
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FaceRightElems[0] = 0;
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FaceRightElems[1] = 0;
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FaceRightElems[2] = 1;
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FaceRightElems[3] = 1;
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FaceRightElems[4] = 1;
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/* Write the face map (created above) using TECPOLY112. */
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I = TECPOLY112(FaceNodeCounts, /* The face node counts array */
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FaceNodes, /* The face nodes array */
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FaceLeftElems, /* The left elements array */
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FaceRightElems, /* The right elements array */
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NULL, /* No boundary connection counts */
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NULL, /* No boundary connection elements */
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NULL); /* No boundary connection zones */
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delete FaceNodeCounts;
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delete FaceNodes;
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delete FaceLeftElems;
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delete FaceRightElems;
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I = TECEND112();
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return 0;
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}
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/* DOCEND */
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