1*57c64913Sjeremylt // Test creation, use, and destruction of an identity element restriction 2*57c64913Sjeremylt #include <ceed.h> 3*57c64913Sjeremylt 4*57c64913Sjeremylt int main(int argc, char **argv) { 5*57c64913Sjeremylt Ceed ceed; 6*57c64913Sjeremylt CeedVector x, y; 7*57c64913Sjeremylt CeedInt ne = 3; 8*57c64913Sjeremylt CeedScalar a[ne*2]; 9*57c64913Sjeremylt const CeedScalar *yy; 10*57c64913Sjeremylt CeedElemRestriction r; 11*57c64913Sjeremylt 12*57c64913Sjeremylt CeedInit(argv[1], &ceed); 13*57c64913Sjeremylt CeedVectorCreate(ceed, ne*2, &x); 14*57c64913Sjeremylt for (CeedInt i=0; i<ne*2; i++) a[i] = 10 + i; 15*57c64913Sjeremylt CeedVectorSetArray(x, CEED_MEM_HOST, CEED_USE_POINTER, a); 16*57c64913Sjeremylt 17*57c64913Sjeremylt CeedElemRestrictionCreateIdentity(ceed, ne, 2, ne*2, 1, &r); 18*57c64913Sjeremylt CeedVectorCreate(ceed, ne*2, &y); 19*57c64913Sjeremylt CeedVectorSetArray(y, CEED_MEM_HOST, CEED_COPY_VALUES, NULL); // Allocates array 20*57c64913Sjeremylt CeedElemRestrictionApply(r, CEED_NOTRANSPOSE, CEED_NOTRANSPOSE, x, y, 21*57c64913Sjeremylt CEED_REQUEST_IMMEDIATE); 22*57c64913Sjeremylt CeedVectorGetArrayRead(y, CEED_MEM_HOST, &yy); 23*57c64913Sjeremylt for (CeedInt i=0; i<ne*2; i++) { 24*57c64913Sjeremylt if (yy[i] != 10+i) 25*57c64913Sjeremylt return CeedError(ceed, (int)i, "Error in restricted array y[%d] = %f", 26*57c64913Sjeremylt i, (double)yy[i]); 27*57c64913Sjeremylt } 28*57c64913Sjeremylt CeedVectorRestoreArrayRead(y, &yy); 29*57c64913Sjeremylt CeedVectorDestroy(&x); 30*57c64913Sjeremylt CeedVectorDestroy(&y); 31*57c64913Sjeremylt CeedElemRestrictionDestroy(&r); 32*57c64913Sjeremylt CeedDestroy(&ceed); 33*57c64913Sjeremylt return 0; 34*57c64913Sjeremylt } 35