Searched refs:Xdiff (Results 1 – 1 of 1) sorted by relevance
| /petsc/src/ts/impls/implicit/discgrad/ |
| H A D | tsdiscgrad.c | 291 Vec X0, Xdot, Xp, Xdiff; in SNESTSFormFunction_DiscGrad() local
302 PetscCall(VecDuplicate(y, &Xdiff)); in SNESTSFormFunction_DiscGrad()
326 PetscCall(VecAXPBYPCZ(Xdiff, -1, 1, 0, X0, Xp)); /* Xdiff = xp - X0 + (0)*Xdiff */ in SNESTSFormFunction_DiscGrad()
367 PetscCall(VecDot(Xdiff, G, &Gp)); in SNESTSFormFunction_DiscGrad()
368 PetscCall(VecNorm(Xdiff, NORM_2, &norm)); in SNESTSFormFunction_DiscGrad()
375 PetscCall(VecAXPY(G, Gp, Xdiff)); in SNESTSFormFunction_DiscGrad()
396 PetscCall(VecDestroy(&Xdiff)); in SNESTSFormFunction_DiscGrad()
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