37   PetscInt    F;                // event-function index  member
69   ctx.F       = -1;  in main()
115 …PetscCall(PetscOptionsGetInt(NULL, NULL, "-F", &ctx.F, NULL));              // event-function index  in main()
116 …PetscCheck(ctx.F >= -1 && ctx.F < ctx.Fnum, PetscObjectComm((PetscObject)ts), PETSC_ERR_ARG_OUTOFR…  in main()
120     if (ctx.F == -1)  in main()
131     if (ctx.F == 0 || ctx.F == -1) {  in main()
137     if (ctx.F == 1 || ctx.F == -1)  in main()
139     if (ctx.F == 2 || ctx.F == -1)  in main()
141     if (ctx.F == 3 || ctx.F == -1)  in main()
143     if (ctx.F == 4 || ctx.F == -1)  in main()
145     if (ctx.F == 5 || ctx.F == -1)  in main()
147     if (ctx.F == 6 || ctx.F == -1)  in main()
149     if (ctx.F == 7 || ctx.F == -1)  in main()
151     if (ctx.F == 8 || ctx.F == -1)  in main()
153     if (ctx.F == 9 || ctx.F == -1)  in main()
155     if (ctx.F == 10 || ctx.F == -1) {  in main()
159     if (ctx.F == 11 || ctx.F == -1)  in main()
198 …if (Ctx->F == 0 || Ctx->F == -1) gval[n++] = PetscSinReal(Ctx->pi * t) / Ctx->pi; // FUNC-0, roots…  in EventFunction()
199 …if (Ctx->F == 1 || Ctx->F == -1) gval[n++] = PetscLogReal(t);                     // FUNC-2, root 1  in EventFunction()
200 …if (Ctx->F == 2 || Ctx->F == -1) {                                                // FUNC-3, root 1  in EventFunction()
204 …if (Ctx->F == 3 || Ctx->F == -1) gval[n++] = t - PetscExpReal(PetscSinReal(t)) + 1;               …  in EventFunction()
205 …if (Ctx->F == 4 || Ctx->F == -1) gval[n++] = (1e10 * PetscPowReal(t, 1 / t) - 1) / 100;           …  in EventFunction()
206 …if (Ctx->F == 5 || Ctx->F == -1) gval[n++] = PetscLogReal(t - 0.02) * PetscLogReal(t - 0.02) * Pet…  in EventFunction()
207 …if (Ctx->F == 6 || Ctx->F == -1) gval[n++] = 4 * PetscCosReal(t) - PetscExpReal(t);               …  in EventFunction()
208 …if (Ctx->F == 7 || Ctx->F == -1) gval[n++] = (20.0 * t - 1) / (19.0 * t) / 10;                    …  in EventFunction()
209 …if (Ctx->F == 8 || Ctx->F == -1) gval[n++] = ((t - 1) * PetscExpReal(-20 * t) + PetscPowReal(t, 20…  in EventFunction()
210 …if (Ctx->F == 9 || Ctx->F == -1) gval[n++] = (t * t * (t * t / 3.0 + PetscSqrtReal(2.0) * PetscSin…  in EventFunction()
211 …if (Ctx->F == 10 || Ctx->F == -1) gval[n++] = ((t * t + 1) * PetscSinReal(t) - PetscExpReal(PetscS…  in EventFunction()
212 …if (Ctx->F == 11 || Ctx->F == -1) gval[n++] = 2 * t - 5;                                          …  in EventFunction()