1 /// @file 2 /// Test creation, transpose use, and destruction of a multicomponent element restriction 3 /// \test Test creation, transpose 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 = 5; 11 CeedInt ind[2*ne]; 12 CeedInt layout[3]; 13 CeedScalar mult; 14 CeedScalar a[2*(ne*2)]; 15 const CeedScalar *yy; 16 CeedElemRestriction r; 17 18 CeedInit(argv[1], &ceed); 19 20 // Setup 21 CeedVectorCreate(ceed, 2*(ne*2), &x); 22 23 for (CeedInt i=0; i<ne; i++) { 24 ind[2*i+0] = i; 25 ind[2*i+1] = i+1; 26 } 27 CeedElemRestrictionCreate(ceed, ne, 2, 2, ne+1, 2*(ne+1), CEED_MEM_HOST, 28 CEED_USE_POINTER, ind, &r); 29 CeedVectorCreate(ceed, 2*(ne+1), &y); 30 CeedVectorSetValue(y, 0); // Allocates array 31 32 // Set x data in backend E-layout 33 CeedElemRestrictionGetELayout(r, &layout); 34 for (CeedInt i=0; i<2; i++) // Node 35 for (CeedInt j=0; j<2; j++) // Component 36 for (CeedInt k=0; k<ne; k++) // Element 37 a[i*layout[0] + j*layout[1] + k*layout[2]] = 10*j+(2*k+i+1)/2; 38 CeedVectorSetArray(x, CEED_MEM_HOST, CEED_USE_POINTER, a); 39 40 // Restrict 41 CeedElemRestrictionApply(r, CEED_TRANSPOSE, x, y, CEED_REQUEST_IMMEDIATE); 42 43 // Check 44 CeedVectorGetArrayRead(y, CEED_MEM_HOST, &yy); 45 for (CeedInt i=0; i<ne+1; i++) { 46 mult = i>0&&i<ne ? 2 : 1; 47 if (yy[i] != i*mult) 48 // LCOV_EXCL_START 49 printf("Error in restricted array y[%d] = %f != %f\n", 50 i, (double)yy[i], i*mult); 51 // LCOV_EXCL_STOP 52 if (yy[i+ne+1] != (10+i)*mult) 53 // LCOV_EXCL_START 54 printf("Error in restricted array y[%d] = %f != %f\n", 55 i+ne+1, (double)yy[i+ne+1], (10.+i)*mult); 56 // LCOV_EXCL_STOP 57 } 58 59 CeedVectorRestoreArrayRead(y, &yy); 60 CeedVectorDestroy(&x); 61 CeedVectorDestroy(&y); 62 CeedElemRestrictionDestroy(&r); 63 CeedDestroy(&ceed); 64 return 0; 65 } 66