1 /// @file 2 /// Test pointwise muliplication of a pair of vectors 3 /// \test Test pointwise muliplication of a pair of vectors 4 #include <ceed.h> 5 #include <math.h> 6 7 int main(int argc, char **argv) { 8 Ceed ceed; 9 CeedVector x, y, w; 10 CeedInt n; 11 CeedScalar a[10]; 12 const CeedScalar *b; 13 14 CeedInit(argv[1], &ceed); 15 16 n = 10; 17 CeedVectorCreate(ceed, n, &x); 18 CeedVectorCreate(ceed, n, &y); 19 CeedVectorCreate(ceed, n, &w); 20 for (CeedInt i=0; i<n; i++) 21 a[i] = i; 22 CeedVectorSetArray(x, CEED_MEM_HOST, CEED_COPY_VALUES, a); 23 CeedVectorSetArray(y, CEED_MEM_HOST, CEED_COPY_VALUES, a); 24 25 // Test multiplying two vectors into third 26 { 27 // Sync memtype to device for GPU backends 28 CeedMemType type = CEED_MEM_HOST; 29 CeedGetPreferredMemType(ceed, &type); 30 CeedVectorSyncArray(w, type); 31 } 32 CeedVectorPointwiseMult(w, x, y); 33 CeedVectorGetArrayRead(w, CEED_MEM_HOST, &b); 34 for (CeedInt i=0; i<n; i++) 35 if (fabs(b[i] - i*i ) > 1e-14) 36 // LCOV_EXCL_START 37 printf("Error in w = x .* y, computed: %f actual: %f\n", b[i], 1.0*i*i); 38 // LCOV_EXCL_STOP 39 CeedVectorRestoreArrayRead(w, &b); 40 41 // Test multiplying two vectors into one of the two 42 CeedVectorPointwiseMult(w, w, y); 43 CeedVectorGetArrayRead(w, CEED_MEM_HOST, &b); 44 for (CeedInt i=0; i<n; i++) 45 if (fabs(b[i] - i*i*i ) > 1e-14) 46 // LCOV_EXCL_START 47 printf("Error in w = w .* y, computed: %f actual: %f\n", b[i], 1.0*i*i*i); 48 // LCOV_EXCL_STOP 49 CeedVectorRestoreArrayRead(w, &b); 50 51 // Test multiplying two vectors into one of the two 52 CeedVectorPointwiseMult(w, x, w); 53 CeedVectorGetArrayRead(w, CEED_MEM_HOST, &b); 54 for (CeedInt i=0; i<n; i++) 55 if (fabs(b[i] - i*i*i*i ) > 1e-14) 56 // LCOV_EXCL_START 57 printf("Error in w = x .* w, computed: %f actual: %f\n", b[i], 1.0*i*i*i*i); 58 // LCOV_EXCL_STOP 59 CeedVectorRestoreArrayRead(w, &b); 60 61 // Test multiplying vector by itself and putting product into self 62 { 63 // Sync memtype to device for GPU backends 64 CeedMemType type = CEED_MEM_HOST; 65 CeedGetPreferredMemType(ceed, &type); 66 CeedVectorSyncArray(y, type); 67 } 68 CeedVectorPointwiseMult(y, y, y); 69 CeedVectorGetArrayRead(y, CEED_MEM_HOST, &b); 70 for (CeedInt i=0; i<n; i++) 71 if (fabs(b[i] - i*i ) > 1e-14) 72 // LCOV_EXCL_START 73 printf("Error in y = y .* y, computed: %f actual: %f\n", b[i], 1.0*i*i); 74 // LCOV_EXCL_STOP 75 CeedVectorRestoreArrayRead(y, &b); 76 77 CeedVectorDestroy(&x); 78 CeedVectorDestroy(&y); 79 CeedVectorDestroy(&w); 80 CeedDestroy(&ceed); 81 return 0; 82 } 83