petsc-3.5.2 2014-09-08
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MatCUSPSetFormat

Sets the storage format of CUSP matrices for a particular operation. Only the MatMult operation can use different GPU storage formats for AIJCUSP matrices.

Synopsis

#include "petscmat.h" 
#undef __FUNCT__
#define __FUNCT__ "MatCUSPSetFormat"
PetscErrorCode MatCUSPSetFormat(Mat A,MatCUSPFormatOperation op,MatCUSPStorageFormat format)
Not Collective

Input Parameters

A - Matrix of type SEQAIJCUSP
op - MatCUSPFormatOperation. SEQAIJCUSP matrices support MAT_CUSP_MULT and MAT_CUSP_ALL. MPIAIJCUSP matrices support MAT_CUSP_MULT_DIAG, MAT_CUSP_MULT_OFFDIAG, and MAT_CUSP_ALL.
format - MatCUSPStorageFormat (one of MAT_CUSP_CSR, MAT_CUSP_DIA, MAT_CUSP_ELL)

Output Parameter

See Also

MatCUSPStorageFormat, MatCUSPFormatOperation

Level:intermediate
Location:
src/mat/impls/aij/seq/seqcusp/aijcusp.cu
Index of all Mat routines
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Index of all manual pages