Searched refs:yitx (Results 1 – 2 of 2) sorted by relevance
| /petsc/src/ksp/ksp/utils/lmvm/dfp/ |
| H A D | dfp.c | 35 PetscScalar yitsi, yitx, a; in DFPKernel_Recursive() local
38 PetscCall(VecDot(G, y_i, &yitx)); in DFPKernel_Recursive()
41 alpha[i - oldest] = a = yitx / yitsi; in DFPKernel_Recursive()
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| /petsc/src/ksp/ksp/utils/lmvm/brdn/ |
| H A D | brdn.c | 126 PetscScalar sitBHX, sitsi, yitx; in BroydenKernelHermitianTranspose_Recursive() local
133 PetscCall(VecDotBegin(X, y_i, &yitx)); in BroydenKernelHermitianTranspose_Recursive()
135 PetscCall(VecDotEnd(X, y_i, &yitx)); in BroydenKernelHermitianTranspose_Recursive()
136 PetscCall(VecAXPY(BHX, (yitx - sitBHX) / sitsi, s_i)); in BroydenKernelHermitianTranspose_Recursive()
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