7   Vec         X, Y, F, W;  in SNESLineSearchApply_CP()  local
16   PetscCall(SNESLineSearchGetVecs(linesearch, &X, &F, &Y, &W, NULL));  in SNESLineSearchApply_CP()
25   PetscCall(SNESLineSearchPreCheck(linesearch, X, Y, &changed_y));  in SNESLineSearchApply_CP()
30     PetscCall((*linesearch->ops->vidirderiv)(snes, F, X, Y, &fty_old));  in SNESLineSearchApply_CP()
32     PetscCall(VecDot(F, Y, &fty_old));  in SNESLineSearchApply_CP()
47     PetscCall(VecWAXPY(W, -lambda, Y, X));  in SNESLineSearchApply_CP()
51       PetscCall((*linesearch->ops->vidirderiv)(snes, F, W, Y, &fty));  in SNESLineSearchApply_CP()
53       PetscCall(VecDot(F, Y, &fty));  in SNESLineSearchApply_CP()
102       PetscCall(VecWAXPY(W, -0.5 * (lambda + lambda_old), Y, X));  in SNESLineSearchApply_CP()
106         PetscCall((*linesearch->ops->vidirderiv)(snes, F, W, Y, &fty_mid1));  in SNESLineSearchApply_CP()
108         PetscCall(VecDot(F, Y, &fty_mid1));  in SNESLineSearchApply_CP()
116       PetscCall(VecWAXPY(W, -0.5 * (lambda + lambda_old), Y, X));  in SNESLineSearchApply_CP()
120         PetscCall((*linesearch->ops->vidirderiv)(snes, F, W, Y, &fty_mid1));  in SNESLineSearchApply_CP()
122         PetscCall(VecDot(F, Y, &fty_mid1));  in SNESLineSearchApply_CP()
126       PetscCall(VecWAXPY(W, -(lambda + 0.5 * (lambda - lambda_old)), Y, X));  in SNESLineSearchApply_CP()
130         PetscCall((*linesearch->ops->vidirderiv)(snes, F, W, Y, &fty_mid2));  in SNESLineSearchApply_CP()
132         PetscCall(VecDot(F, Y, &fty_mid2));  in SNESLineSearchApply_CP()
177   PetscCall(VecWAXPY(W, -lambda, Y, X));  in SNESLineSearchApply_CP()
181   PetscCall(SNESLineSearchPostCheck(linesearch, X, Y, W, &changed_y, &changed_w));  in SNESLineSearchApply_CP()
183     if (!changed_w) PetscCall(VecWAXPY(W, -lambda, Y, X));  in SNESLineSearchApply_CP()