#include "petscds.h" PetscErrorCode PetscDSGetUpdate(PetscDS prob, PetscInt f, void (**update)(PetscInt dim, PetscInt Nf, PetscInt NfAux, const PetscInt uOff[], const PetscInt uOff_x[], const PetscScalar u[], const PetscScalar u_t[], const PetscScalar u_x[], const PetscInt aOff[], const PetscInt aOff_x[], const PetscScalar a[], const PetscScalar a_t[], const PetscScalar a_x[], PetscReal t, const PetscReal x[], PetscInt numConstants, const PetscScalar constants[], PetscScalar uNew[]))Not collective
prob | - The PetscDS | |
f | - The field number |
update(PetscInt dim, PetscInt Nf, PetscInt NfAux,
const PetscInt uOff[], const PetscInt uOff_x[], const PetscScalar u[], const PetscScalar u_t[], const PetscScalar u_x[],
const PetscInt aOff[], const PetscInt aOff_x[], const PetscScalar a[], const PetscScalar a_t[], const PetscScalar a_x[],
PetscReal t, const PetscReal x[], PetscScalar uNew[])
dim | - the spatial dimension | |
Nf | - the number of fields | |
uOff | - the offset into u[] and u_t[] for each field | |
uOff_x | - the offset into u_x[] for each field | |
u | - each field evaluated at the current point | |
u_t | - the time derivative of each field evaluated at the current point | |
u_x | - the gradient of each field evaluated at the current point | |
aOff | - the offset into a[] and a_t[] for each auxiliary field | |
aOff_x | - the offset into a_x[] for each auxiliary field | |
a | - each auxiliary field evaluated at the current point | |
a_t | - the time derivative of each auxiliary field evaluated at the current point | |
a_x | - the gradient of auxiliary each field evaluated at the current point | |
t | - current time | |
x | - coordinates of the current point | |
uNew | - new value for field at the current point |