petsc-3.7.3 2016-07-24
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# VecCUDAPlaceArray

Allows one to replace the GPU array in a vector with a GPU array provided by the user. This is useful to avoid copying an array into a vector.

### Synopsis

    PetscErrorCode VecCUDAPlaceArray(Vec vin,PetscScalar *a)

Not Collective

### Input Parameters

| vec | - the vector
| array | - the GPU array

### Notes

You can return to the original GPU array with a call to VecCUDAResetArray() It is not possible to use VecCUDAPlaceArray() and VecPlaceArray() at the same time on the same vector.

### See Also

VecPlaceArray(), VecGetArray(), VecRestoreArray(), VecReplaceArray(), VecResetArray(), VecCUDAResetArray(), VecCUDAReplaceArray()

Level:developer
Location: src/vec/vec/impls/seq/seqcuda/veccuda2.cu
Index of all Vec routines
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Index of all manual pages