1 /// @file 2 /// Test creation, use, and destruction of a multicomponent element restriction 3 /// \test Test creation, use, and destruction of a multicomponent element restriction 4 #include <ceed.h> 5 #include <ceed-backend.h> 6 7 int main(int argc, char **argv) { 8 Ceed ceed; 9 CeedVector x, y; 10 CeedInt ne = 3; 11 CeedInt ind[2*ne]; 12 CeedInt layout[3]; 13 CeedScalar a[2*(ne+1)]; 14 const CeedScalar *yy; 15 CeedElemRestriction r; 16 17 CeedInit(argv[1], &ceed); 18 19 // Setup 20 CeedVectorCreate(ceed, 2*(ne+1), &x); 21 for (CeedInt i=0; i<ne+1; i++) { 22 a[i] = 10 + i; 23 a[i+ne+1] = 20 + i; 24 } 25 CeedVectorSetArray(x, CEED_MEM_HOST, CEED_USE_POINTER, a); 26 27 for (CeedInt i=0; i<ne; i++) { 28 ind[2*i+0] = i; 29 ind[2*i+1] = i+1; 30 } 31 CeedElemRestrictionCreate(ceed, ne, 2, 2, ne+1, 2*(ne+1), CEED_MEM_HOST, 32 CEED_USE_POINTER, ind, &r); 33 CeedVectorCreate(ceed, 2*(ne*2), &y); 34 CeedVectorSetValue(y, 0); // Allocates array 35 36 // Restrict 37 CeedElemRestrictionApply(r, CEED_NOTRANSPOSE, x, y, CEED_REQUEST_IMMEDIATE); 38 39 // Check 40 CeedVectorGetArrayRead(y, CEED_MEM_HOST, &yy); 41 CeedElemRestrictionGetELayout(r, &layout); 42 for (CeedInt i=0; i<2; i++) // Node 43 for (CeedInt j=0; j<2; j++) // Component 44 for (CeedInt k=0; k<ne; k++) // Element 45 if (yy[i*layout[0]+j*layout[1]+k*layout[2]] != a[ind[i+k*2]+j*(ne+1)]) 46 // LCOV_EXCL_START 47 printf("Error in restricted array y[%d][%d][%d] = %f != %f\n", 48 i, j, k, (double)yy[i*layout[0]+j*layout[1]+k*layout[2]], 49 a[ind[i+k*2]+j*(ne+1)]); 50 // LCOV_EXCL_STOP 51 52 CeedVectorRestoreArrayRead(y, &yy); 53 CeedVectorDestroy(&x); 54 CeedVectorDestroy(&y); 55 CeedElemRestrictionDestroy(&r); 56 CeedDestroy(&ceed); 57 return 0; 58 } 59