#include "petscdmfield.h" #include "petscdmfield.h" PetscErrorCode DMFieldEvaluate(DMField field, Vec points, PetscDataType datatype, void *B, void *D, void *H)Collective on points

field | - The DMField object | |

points | - The points at which to evaluate the field. Should have size d x n, where d is the coordinate dimension of the manifold and n is the number of points | |

datatype | - The PetscDataType of the output arrays: either PETSC_REAL or PETSC_SCALAR. If the field is complex and datatype is PETSC_REAL, the real part of the field is returned. |

B | - pointer to data of size c * n * sizeof(datatype), where c is the number of components in the field. If B is not NULL, the values of the field are written in this array, varying first by component, then by point. | |

D | - pointer to data of size d * c * n * sizeof(datatype). If D is not NULL, the values of the field's spatial derivatives are written in this array, varying first by the partial derivative component, then by field component, then by point. | |

H | - pointer to data of size d * d * c * n * sizeof(datatype). If H is not NULL, the values of the field's second spatial derivatives are written in this array, varying first by the second partial derivative component, then by field component, then by point. |

DMFieldEvaluate_DS in src/dm/field/impls/ds/dmfieldds.c

Index of all DM routines

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