Searched refs:ginner (Results 1 – 1 of 1) sorted by relevance
| /petsc/src/tao/unconstrained/impls/cg/ |
| H A D | taocg.c | 17 PetscReal step = 1.0, f, gnorm, gnorm2, delta, gd, ginner, beta; in TaoSolve_CG() local
148 PetscCall(VecDot(tao->gradient, cgP->G_old, &ginner)); in TaoSolve_CG()
149 if (PetscAbsScalar(ginner) >= cgP->eta * gnorm2) { in TaoSolve_CG()
160 beta = (gnorm2 - ginner) / gnorm2_old; in TaoSolve_CG()
164 beta = PetscMax((gnorm2 - ginner) / gnorm2_old, 0.0); in TaoSolve_CG()
170 beta = (gnorm2 - ginner) / (gd - gd_old); in TaoSolve_CG()
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