14411cf47Sjeremylt /// @file 27509a596Sjeremylt /// Test creation, use, and destruction of a strided element restriction 37509a596Sjeremylt /// \test Test creation, use, and destruction of a strided element restriction 457c64913Sjeremylt #include <ceed.h> 5ec3da8bcSJed Brown #include <ceed/backend.h> 657c64913Sjeremylt 757c64913Sjeremylt int main(int argc, char **argv) { 857c64913Sjeremylt Ceed ceed; 957c64913Sjeremylt CeedVector x, y; 10*d1d35e2fSjeremylt CeedInt num_elem = 3; 11*d1d35e2fSjeremylt CeedScalar a[num_elem*2]; 1257c64913Sjeremylt const CeedScalar *yy; 137509a596Sjeremylt CeedInt strides[3] = {1, 2, 2}; 1449fd234cSJeremy L Thompson CeedInt layout[3]; 1557c64913Sjeremylt CeedElemRestriction r; 1657c64913Sjeremylt 1757c64913Sjeremylt CeedInit(argv[1], &ceed); 18288c0443SJeremy L Thompson 19*d1d35e2fSjeremylt CeedVectorCreate(ceed, num_elem*2, &x); 20*d1d35e2fSjeremylt for (CeedInt i=0; i<num_elem*2; i++) 21288c0443SJeremy L Thompson a[i] = 10 + i; 2257c64913Sjeremylt CeedVectorSetArray(x, CEED_MEM_HOST, CEED_USE_POINTER, a); 2357c64913Sjeremylt 24*d1d35e2fSjeremylt CeedElemRestrictionCreateStrided(ceed, num_elem, 2, 1, num_elem*2, strides, &r); 25*d1d35e2fSjeremylt CeedVectorCreate(ceed, num_elem*2, &y); 2673d26085Sjeremylt CeedVectorSetValue(y, 0); // Allocates array 27a8d32208Sjeremylt CeedElemRestrictionApply(r, CEED_NOTRANSPOSE, x, y, CEED_REQUEST_IMMEDIATE); 28288c0443SJeremy L Thompson 2957c64913Sjeremylt CeedVectorGetArrayRead(y, CEED_MEM_HOST, &yy); 3049fd234cSJeremy L Thompson CeedElemRestrictionGetELayout(r, &layout); 3149fd234cSJeremy L Thompson for (CeedInt i=0; i<2; i++) // Node 3249fd234cSJeremy L Thompson for (CeedInt j=0; j<1; j++) // Component 33*d1d35e2fSjeremylt for (CeedInt k=0; k<num_elem; k++) // Element 3449fd234cSJeremy L Thompson if (yy[i*layout[0] + j*layout[1] + k*layout[2]] != 3549fd234cSJeremy L Thompson a[i*strides[0] + j*strides[1] + k*strides[2]]) 36a2546046Sjeremylt // LCOV_EXCL_START 3749fd234cSJeremy L Thompson printf("Error in restricted array y[%d][%d][%d] = %f", 3849fd234cSJeremy L Thompson i, j, k, (double)yy[i*strides[0] + j*strides[1] + j*strides[2]]); 39de996c55Sjeremylt // LCOV_EXCL_STOP 4057c64913Sjeremylt CeedVectorRestoreArrayRead(y, &yy); 41a2546046Sjeremylt 4257c64913Sjeremylt CeedVectorDestroy(&x); 4357c64913Sjeremylt CeedVectorDestroy(&y); 4457c64913Sjeremylt CeedElemRestrictionDestroy(&r); 4557c64913Sjeremylt CeedDestroy(&ceed); 4657c64913Sjeremylt return 0; 4757c64913Sjeremylt } 48