Searched refs:dXdotdXold (Results 1 – 1 of 1) sorted by relevance
| /petsc/src/snes/impls/ncg/ |
| H A D | snesncg.c | 182 PetscScalar dXdotdX, dXolddotdXold, dXdotdXold, lXdotdX, lXdotdXold; in SNESSolve_NCG() local
313 PetscCall(VecDotBegin(dXold, dX, &dXdotdXold)); in SNESSolve_NCG()
315 PetscCall(VecDotEnd(dXold, dX, &dXdotdXold)); in SNESSolve_NCG()
316 beta = PetscRealPart((dXdotdX - dXdotdXold) / dXolddotdXold); in SNESSolve_NCG()
321 PetscCall(VecDotBegin(dX, dXold, &dXdotdXold)); in SNESSolve_NCG()
325 PetscCall(VecDotEnd(dX, dXold, &dXdotdXold)); in SNESSolve_NCG()
328 beta = PetscRealPart((dXdotdX - dXdotdXold) / (lXdotdX - lXdotdXold)); in SNESSolve_NCG()
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