1 /// @file 2 /// Test creation, use, and destruction of a strided element restriction 3 /// \test Test creation, use, and destruction of a strided 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 num_elem = 3; 11 CeedScalar a[num_elem*2]; 12 const CeedScalar *yy; 13 CeedInt strides[3] = {1, 2, 2}; 14 CeedInt layout[3]; 15 CeedElemRestriction r; 16 17 CeedInit(argv[1], &ceed); 18 19 CeedVectorCreate(ceed, num_elem*2, &x); 20 for (CeedInt i=0; i<num_elem*2; i++) 21 a[i] = 10 + i; 22 CeedVectorSetArray(x, CEED_MEM_HOST, CEED_USE_POINTER, a); 23 24 CeedElemRestrictionCreateStrided(ceed, num_elem, 2, 1, num_elem*2, strides, &r); 25 CeedVectorCreate(ceed, num_elem*2, &y); 26 CeedVectorSetValue(y, 0); // Allocates array 27 CeedElemRestrictionApply(r, CEED_NOTRANSPOSE, x, y, CEED_REQUEST_IMMEDIATE); 28 29 CeedVectorGetArrayRead(y, CEED_MEM_HOST, &yy); 30 CeedElemRestrictionGetELayout(r, &layout); 31 for (CeedInt i=0; i<2; i++) // Node 32 for (CeedInt j=0; j<1; j++) // Component 33 for (CeedInt k=0; k<num_elem; k++) // Element 34 if (yy[i*layout[0] + j*layout[1] + k*layout[2]] != 35 a[i*strides[0] + j*strides[1] + k*strides[2]]) 36 // LCOV_EXCL_START 37 printf("Error in restricted array y[%d][%d][%d] = %f", 38 i, j, k, (CeedScalar)yy[i*strides[0] + j*strides[1] + j*strides[2]]); 39 // LCOV_EXCL_STOP 40 CeedVectorRestoreArrayRead(y, &yy); 41 42 CeedVectorDestroy(&x); 43 CeedVectorDestroy(&y); 44 CeedElemRestrictionDestroy(&r); 45 CeedDestroy(&ceed); 46 return 0; 47 } 48