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Searched refs:xtHx (Results 1 – 2 of 2) sorted by relevance

/petsc/src/tao/constrained/tutorials/
H A Dmaros.c214 PetscScalar xtHx; in FormFunctionGradient() local
218 PetscCall(VecDot(x, g, &xtHx)); in FormFunctionGradient()
220 *f += 0.5 * xtHx; in FormFunctionGradient()
/petsc/src/tao/quadratic/impls/gpcg/
H A Dgpcg.c112 PetscReal xtHx; in TaoSolve_GPCG() local
125 PetscCall(VecDot(gpcg->Work, tao->solution, &xtHx)); in TaoSolve_GPCG()
128 gpcg->c = f - xtHx / 2.0 - xtb; in TaoSolve_GPCG()