DMTSCheckResidual#

Check the residual of the exact solution

Synopsis#

#include "petscdmplex.h" 
#include "petscts.h" 
PetscErrorCode DMTSCheckResidual(TS ts, DM dm, PetscReal t, Vec u, Vec u_t, PetscReal tol, PetscReal *residual)

Input Parameters#

ts - the TS object
dm - the DM
t - the time
u - a DM vector
u_t - a DM vector
tol - A tolerance for the check, or -1 to print the results instead

Output Parameter#

residual - The residual norm of the exact solution, or NULL

See Also#

TS: Scalable ODE and DAE Solvers, DM, DMTSCheckFromOptions(), DMTSCheckJacobian(), DNSNESCheckFromOptions(), DMSNESCheckDiscretization(), DMSNESCheckJacobian()

Level#

developer

Location#

src/ts/utils/dmplexts.c

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