xref: /libCEED/tests/t203-elemrestriction.c (revision 2b730f8b5a9c809740a0b3b302db43a719c636b1)
14411cf47Sjeremylt /// @file
24411cf47Sjeremylt /// Test creation, use, and destruction of a blocked element restriction with multiple components in the lvector
34411cf47Sjeremylt /// \test Test creation, use, and destruction of a blocked element restriction with multiple components in the lvector
457c64913Sjeremylt #include <ceed.h>
50acb07cdSJeremy L Thompson #include <ceed/backend.h>
657c64913Sjeremylt 
757c64913Sjeremylt int main(int argc, char **argv) {
857c64913Sjeremylt   Ceed                ceed;
957c64913Sjeremylt   CeedVector          x, y;
10d1d35e2fSjeremylt   CeedInt             num_elem  = 8;
110acb07cdSJeremy L Thompson   CeedInt             elem_size = 2;
120acb07cdSJeremy L Thompson   CeedInt             num_blk   = 2;
13d1d35e2fSjeremylt   CeedInt             blk_size  = 5;
14d1d35e2fSjeremylt   CeedInt             num_comp  = 3;
150acb07cdSJeremy L Thompson   CeedInt             ind[elem_size * num_elem];
16d1d35e2fSjeremylt   CeedScalar          a[num_comp * (num_elem + 1)];
170acb07cdSJeremy L Thompson   const CeedScalar   *xx, *yy;
180acb07cdSJeremy L Thompson   CeedInt             layout[3];
1957c64913Sjeremylt   CeedElemRestriction r;
2057c64913Sjeremylt 
2157c64913Sjeremylt   CeedInit(argv[1], &ceed);
22288c0443SJeremy L Thompson 
230acb07cdSJeremy L Thompson   CeedVectorCreate(ceed, num_comp * (num_elem + 1), &x);
240acb07cdSJeremy L Thompson   for (CeedInt i = 0; i < num_elem + 1; i++) {
25d1d35e2fSjeremylt     a[i + 0 * (num_elem + 1)] = 10 + i;
26d1d35e2fSjeremylt     a[i + 1 * (num_elem + 1)] = 20 + i;
27d1d35e2fSjeremylt     a[i + 2 * (num_elem + 1)] = 30 + i;
2857c64913Sjeremylt   }
2957c64913Sjeremylt   CeedVectorSetArray(x, CEED_MEM_HOST, CEED_USE_POINTER, a);
300acb07cdSJeremy L Thompson 
31d1d35e2fSjeremylt   for (CeedInt i = 0; i < num_elem; i++) {
3257c64913Sjeremylt     ind[2 * i + 0] = i;
3357c64913Sjeremylt     ind[2 * i + 1] = i + 1;
3457c64913Sjeremylt   }
35*2b730f8bSJeremy L Thompson   CeedElemRestrictionCreateBlocked(ceed, num_elem, elem_size, blk_size, num_comp, num_elem + 1, num_comp * (num_elem + 1), CEED_MEM_HOST,
36d979a051Sjeremylt                                    CEED_USE_POINTER, ind, &r);
370acb07cdSJeremy L Thompson   CeedVectorCreate(ceed, num_comp * num_blk * blk_size * elem_size, &y);
3857c64913Sjeremylt 
3957c64913Sjeremylt   // NoTranspose
40a8d32208Sjeremylt   CeedElemRestrictionApply(r, CEED_NOTRANSPOSE, x, y, CEED_REQUEST_IMMEDIATE);
410acb07cdSJeremy L Thompson   CeedVectorGetArrayRead(y, CEED_MEM_HOST, &yy);
420acb07cdSJeremy L Thompson   CeedElemRestrictionGetELayout(r, &layout);
43*2b730f8bSJeremy L Thompson   for (CeedInt i = 0; i < elem_size; i++) {     // Node
44*2b730f8bSJeremy L Thompson     for (CeedInt j = 0; j < num_comp; j++) {    // Component
450acb07cdSJeremy L Thompson       for (CeedInt k = 0; k < num_elem; k++) {  // Element
460acb07cdSJeremy L Thompson         CeedInt block = k / blk_size;
470acb07cdSJeremy L Thompson         CeedInt elem  = k % blk_size;
48*2b730f8bSJeremy L Thompson         CeedInt index = (i * blk_size + elem) * layout[0] + j * layout[1] * blk_size + block * layout[2] * blk_size;
49*2b730f8bSJeremy L Thompson         if (yy[index] != a[ind[k * elem_size + i] + j * (num_elem + 1)]) {
500acb07cdSJeremy L Thompson           // LCOV_EXCL_START
51*2b730f8bSJeremy L Thompson           printf("Error in restricted array y[%" CeedInt_FMT "][%" CeedInt_FMT "][%" CeedInt_FMT "] = %f\n", i, j, k, (double)yy[index]);
520acb07cdSJeremy L Thompson           // LCOV_EXCL_STOP
530acb07cdSJeremy L Thompson         }
54*2b730f8bSJeremy L Thompson       }
55*2b730f8bSJeremy L Thompson     }
56*2b730f8bSJeremy L Thompson   }
570acb07cdSJeremy L Thompson   CeedVectorRestoreArrayRead(y, &yy);
5857c64913Sjeremylt 
5957c64913Sjeremylt   // Transpose
600acb07cdSJeremy L Thompson   CeedVectorSetValue(x, 0);
61a8d32208Sjeremylt   CeedElemRestrictionApply(r, CEED_TRANSPOSE, y, x, CEED_REQUEST_IMMEDIATE);
620acb07cdSJeremy L Thompson   CeedVectorGetArrayRead(x, CEED_MEM_HOST, &xx);
630acb07cdSJeremy L Thompson   for (CeedInt i = 0; i < num_elem + 1; i++) {
640acb07cdSJeremy L Thompson     for (CeedInt j = 0; j < num_comp; j++) {
65*2b730f8bSJeremy L Thompson       if (xx[i + j * (num_elem + 1)] != ((j + 1) * 10 + i) * (i > 0 && i < num_elem ? 2.0 : 1.0)) {
660acb07cdSJeremy L Thompson         // LCOV_EXCL_START
67*2b730f8bSJeremy L Thompson         printf("Error in restricted array x[%" CeedInt_FMT "][%" CeedInt_FMT "] = %f\n", j, i, (double)xx[i + j * (num_elem + 1)]);
680acb07cdSJeremy L Thompson         // LCOV_EXCL_STOP
690acb07cdSJeremy L Thompson       }
700acb07cdSJeremy L Thompson     }
71*2b730f8bSJeremy L Thompson   }
720acb07cdSJeremy L Thompson   CeedVectorRestoreArrayRead(x, &xx);
7357c64913Sjeremylt 
7457c64913Sjeremylt   CeedVectorDestroy(&x);
7557c64913Sjeremylt   CeedVectorDestroy(&y);
7657c64913Sjeremylt   CeedElemRestrictionDestroy(&r);
7757c64913Sjeremylt   CeedDestroy(&ceed);
7857c64913Sjeremylt   return 0;
7957c64913Sjeremylt }
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