Lines Matching refs:xt
110 Vec xt; in MatZeroRowsColumns_SeqDense() local
113 PetscCall(VecDuplicate(x, &xt)); in MatZeroRowsColumns_SeqDense()
114 PetscCall(VecCopy(x, xt)); in MatZeroRowsColumns_SeqDense()
115 PetscCall(VecScale(xt, -1.0)); in MatZeroRowsColumns_SeqDense()
116 PetscCall(MatMultAdd(A, xt, b, b)); in MatZeroRowsColumns_SeqDense()
117 PetscCall(VecDestroy(&xt)); in MatZeroRowsColumns_SeqDense()
1007 PetscScalar *x, *v = mat->v, zero = 0.0, xt; in MatSOR_SeqDense() local
1029 PetscCallBLAS("BLASdotu", xt = b[i] - BLASdotu_(&bm, v + i, &bm, x, &o)); in MatSOR_SeqDense()
1030 x[i] = (1. - omega) * x[i] + (xt + v[i + i * m] * x[i]) * omega / (v[i + i * m] + shift); in MatSOR_SeqDense()
1035 PetscCallBLAS("BLASdotu", xt = b[i] - BLASdotu_(&bm, v + i, &bm, x, &o)); in MatSOR_SeqDense()
1036 x[i] = (1. - omega) * x[i] + (xt + v[i + i * m] * x[i]) * omega / (v[i + i * m] + shift); in MatSOR_SeqDense()