xref: /libCEED/tests/t213-elemrestriction.c (revision 2b730f8b5a9c809740a0b3b302db43a719c636b1)
10036de2cSjeremylt /// @file
20036de2cSjeremylt /// Test creation, use, and destruction of a blocked element restriction with multiple components in the lvector, and libCEED owns ind pointer
30036de2cSjeremylt /// \test Test creation, use, and destruction of a blocked element restriction with multiple components in the lvector, and libCEED owns ind pointer
40036de2cSjeremylt #include <ceed.h>
50acb07cdSJeremy L Thompson #include <ceed/backend.h>
60acb07cdSJeremy L Thompson #include <stdlib.h>
70acb07cdSJeremy L Thompson #include <string.h>
80036de2cSjeremylt 
90036de2cSjeremylt int main(int argc, char **argv) {
100036de2cSjeremylt   Ceed                ceed;
110036de2cSjeremylt   CeedVector          x, y;
12d1d35e2fSjeremylt   CeedInt             num_elem  = 8;
130acb07cdSJeremy L Thompson   CeedInt             elem_size = 2;
140acb07cdSJeremy L Thompson   CeedInt             num_blk   = 2;
15d1d35e2fSjeremylt   CeedInt             blk_size  = 5;
16d1d35e2fSjeremylt   CeedInt             num_comp  = 3;
170acb07cdSJeremy L Thompson   CeedInt             ind[elem_size * num_elem];
180acb07cdSJeremy L Thompson   CeedInt            *ceed_ind = malloc(sizeof(CeedInt) * elem_size * num_elem);
19d1d35e2fSjeremylt   CeedScalar          a[num_comp * (num_elem + 1)];
200acb07cdSJeremy L Thompson   const CeedScalar   *xx, *yy;
210acb07cdSJeremy L Thompson   CeedInt             layout[3];
220036de2cSjeremylt   CeedElemRestriction r;
230036de2cSjeremylt 
240036de2cSjeremylt   CeedInit(argv[1], &ceed);
250036de2cSjeremylt 
260acb07cdSJeremy L Thompson   CeedVectorCreate(ceed, num_comp * (num_elem + 1), &x);
270acb07cdSJeremy L Thompson   for (CeedInt i = 0; i < num_elem + 1; i++) {
28d1d35e2fSjeremylt     a[i + 0 * (num_elem + 1)] = 10 + i;
29d1d35e2fSjeremylt     a[i + 1 * (num_elem + 1)] = 20 + i;
30d1d35e2fSjeremylt     a[i + 2 * (num_elem + 1)] = 30 + i;
310036de2cSjeremylt   }
320036de2cSjeremylt   CeedVectorSetArray(x, CEED_MEM_HOST, CEED_USE_POINTER, a);
330acb07cdSJeremy L Thompson 
34d1d35e2fSjeremylt   for (CeedInt i = 0; i < num_elem; i++) {
350036de2cSjeremylt     ind[2 * i + 0] = i;
360036de2cSjeremylt     ind[2 * i + 1] = i + 1;
370036de2cSjeremylt   }
380acb07cdSJeremy L Thompson   memcpy(ceed_ind, ind, sizeof(CeedInt) * elem_size * num_elem);
39*2b730f8bSJeremy L Thompson   CeedElemRestrictionCreateBlocked(ceed, num_elem, elem_size, blk_size, num_comp, num_elem + 1, num_comp * (num_elem + 1), CEED_MEM_HOST,
400acb07cdSJeremy L Thompson                                    CEED_OWN_POINTER, ceed_ind, &r);
410acb07cdSJeremy L Thompson   CeedVectorCreate(ceed, num_comp * num_blk * blk_size * elem_size, &y);
420036de2cSjeremylt 
430036de2cSjeremylt   // NoTranspose
440036de2cSjeremylt   CeedElemRestrictionApply(r, CEED_NOTRANSPOSE, x, y, CEED_REQUEST_IMMEDIATE);
450acb07cdSJeremy L Thompson   CeedVectorGetArrayRead(y, CEED_MEM_HOST, &yy);
460acb07cdSJeremy L Thompson   CeedElemRestrictionGetELayout(r, &layout);
47*2b730f8bSJeremy L Thompson   for (CeedInt i = 0; i < elem_size; i++) {     // Node
48*2b730f8bSJeremy L Thompson     for (CeedInt j = 0; j < num_comp; j++) {    // Component
490acb07cdSJeremy L Thompson       for (CeedInt k = 0; k < num_elem; k++) {  // Element
500acb07cdSJeremy L Thompson         CeedInt block = k / blk_size;
510acb07cdSJeremy L Thompson         CeedInt elem  = k % blk_size;
52*2b730f8bSJeremy L Thompson         CeedInt index = (i * blk_size + elem) * layout[0] + j * layout[1] * blk_size + block * layout[2] * blk_size;
530acb07cdSJeremy L Thompson         if (yy[index] != a[ind[k * elem_size + i] + j * (num_elem + 1)])
540acb07cdSJeremy L Thompson           // LCOV_EXCL_START
55*2b730f8bSJeremy L Thompson           printf("Error in restricted array y[%" CeedInt_FMT "][%" CeedInt_FMT "][%" CeedInt_FMT "] = %f\n", i, j, k, (double)yy[index]);
560acb07cdSJeremy L Thompson         // LCOV_EXCL_STOP
570acb07cdSJeremy L Thompson       }
58*2b730f8bSJeremy L Thompson     }
59*2b730f8bSJeremy L Thompson   }
600acb07cdSJeremy L Thompson   CeedVectorRestoreArrayRead(y, &yy);
610036de2cSjeremylt 
620036de2cSjeremylt   // Transpose
630acb07cdSJeremy L Thompson   CeedVectorSetValue(x, 0);
640036de2cSjeremylt   CeedElemRestrictionApply(r, CEED_TRANSPOSE, y, x, CEED_REQUEST_IMMEDIATE);
650acb07cdSJeremy L Thompson   CeedVectorGetArrayRead(x, CEED_MEM_HOST, &xx);
660acb07cdSJeremy L Thompson   for (CeedInt i = 0; i < num_elem + 1; i++) {
670acb07cdSJeremy L Thompson     for (CeedInt j = 0; j < num_comp; j++) {
68*2b730f8bSJeremy L Thompson       if (xx[i + j * (num_elem + 1)] != ((j + 1) * 10 + i) * (i > 0 && i < num_elem ? 2.0 : 1.0)) {
690acb07cdSJeremy L Thompson         // LCOV_EXCL_START
70*2b730f8bSJeremy L Thompson         printf("Error in restricted array x[%" CeedInt_FMT "][%" CeedInt_FMT "] = %f\n", j, i, (double)xx[i + j * (num_elem + 1)]);
710acb07cdSJeremy L Thompson         // LCOV_EXCL_STOP
720acb07cdSJeremy L Thompson       }
730acb07cdSJeremy L Thompson     }
74*2b730f8bSJeremy L Thompson   }
750acb07cdSJeremy L Thompson   CeedVectorRestoreArrayRead(x, &xx);
760036de2cSjeremylt 
770036de2cSjeremylt   CeedVectorDestroy(&x);
780036de2cSjeremylt   CeedVectorDestroy(&y);
790036de2cSjeremylt   CeedElemRestrictionDestroy(&r);
800036de2cSjeremylt   CeedDestroy(&ceed);
810036de2cSjeremylt   return 0;
820036de2cSjeremylt }
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