blas_dh.h

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#ifndef THREADED_BLAS_DH
#define THREADED_BLAS_DH
 
/* notes: 1. for mpi MatVec, see "Mat_dhMatvec()" in Mat_dh.h
          2. MPI calls use MPI_COMM_WORLD for the communicator,
             where applicable.
*/
 
#include "euclid_common.h"
 
#ifdef SEQUENTIAL_MODE
#define MatVec       matvec_euclid_seq
#endif
 
#ifdef __cplusplus
extern "C"
{
#endif
 
  extern void matvec_euclid_seq (int n, int *rp, int *cval, double *aval,
         double *x, double *y);
  extern double InnerProd (int local_n, double *x, double *y);
  extern double Norm2 (int local_n, double *x);
  extern void Axpy (int n, double alpha, double *x, double *y);
  extern double Norm2 (int n, double *x);
  extern void CopyVec (int n, double *xIN, double *yOUT);
  extern void ScaleVec (int n, double alpha, double *x);
 
#ifdef __cplusplus
}
#endif
 
#endif