Searched refs:YmalphaOpX (Results 1 – 1 of 1) sorted by relevance
| /petsc/src/ksp/ksp/utils/lmvm/ |
| H A D | lmvmutils.c | 984 …rCode MatLMVMUpdateOpDiffVecs(Mat B, LMBasis Y, PetscScalar alpha, LMBasis OpX, LMBasis YmalphaOpX) in MatLMVMUpdateOpDiffVecs() argument
998 if (YmalphaOpX->operator_id != J0_id || YmalphaOpX->operator_state != J0_state) { in MatLMVMUpdateOpDiffVecs()
1000 YmalphaOpX->k = oldest; in MatLMVMUpdateOpDiffVecs()
1001 YmalphaOpX->operator_id = J0_id; in MatLMVMUpdateOpDiffVecs()
1002 YmalphaOpX->operator_state = J0_state; in MatLMVMUpdateOpDiffVecs()
1003 PetscCall(LMBasisSetCachedProduct(YmalphaOpX, NULL, NULL)); in MatLMVMUpdateOpDiffVecs()
1005 YmalphaOpX->k = PetscMax(YmalphaOpX->k, oldest); in MatLMVMUpdateOpDiffVecs()
1006 start = YmalphaOpX->k; in MatLMVMUpdateOpDiffVecs()
1008 PetscCall(MatCopy(Y->vecs, YmalphaOpX->vecs, SAME_NONZERO_PATTERN)); in MatLMVMUpdateOpDiffVecs()
1009 PetscCall(MatAXPY(YmalphaOpX->vecs, -alpha, OpX->vecs, SAME_NONZERO_PATTERN)); in MatLMVMUpdateOpDiffVecs()
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