PetscDSSetExactSolution#
Set the pointwise exact solution function for a given test field
Synopsis#
#include "petscds.h"
PetscErrorCode PetscDSSetExactSolution(PetscDS prob, PetscInt f, PetscErrorCode (*sol)(PetscInt dim, PetscReal t, const PetscReal x[], PetscInt Nc, PetscScalar u[], void *ctx), void *ctx)
Not Collective
Input Parameters#
prob - The
PetscDS
f - The test field number
sol - solution function for the test fields
ctx - solution context or
NULL
Calling sequence of sol
#
dim - the spatial dimension
t - current time
x - coordinates of the current point
Nc - the number of field components
u - the solution field evaluated at the current point
ctx - a user context
See Also#
Level#
intermediate
Location#
Examples#
src/snes/tutorials/ex23.c
src/snes/tutorials/ex27.c
src/snes/tutorials/ex17.c
src/snes/tutorials/ex36.c
src/snes/tutorials/ex24.c
src/snes/tutorials/ex69.c
src/snes/tutorials/ex26.c
src/tao/tutorials/ex1.c
src/snes/tutorials/ex76.c
src/tao/tutorials/ex2.c
Index of all DT routines
Table of Contents for all manual pages
Index of all manual pages