petsc-3.14.5 2021-03-03
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# VecViennaCLGetCLContext

Get the OpenCL context in which the Vec resides.

### Synopsis

    #include "petscvec.h"
    PETSC_EXTERN PetscErrorCode VecViennaCLGetCLContext(Vec v, PETSC_UINTPTR_T* ctx)

Caller should cast (*ctx) to (const cl_context). Caller is responsible for invoking clReleaseContext().

### Input Parameters

| v | - the vector

### Output Parameters

| ctx | - pointer to the underlying CL context

### See Also

VecViennaCLGetCLQueue(), VecViennaCLGetCLMemRead()

### Level

intermediate

### Location

src/vec/vec/impls/seq/seqviennacl/vecviennacl.cxx
Index of all Vec routines
Table of Contents for all manual pages
Index of all manual pages