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blas_dh.h
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42 
43 #ifndef THREADED_BLAS_DH
44 #define THREADED_BLAS_DH
45 
46 /* notes: 1. for mpi MatVec, see "Mat_dhMatvec()" in Mat_dh.h
47  2. MPI calls use MPI_COMM_WORLD for the communicator,
48  where applicable.
49 */
50 
51 #include "euclid_common.h"
52 
53 #ifdef SEQUENTIAL_MODE
54 #define MatVec matvec_euclid_seq
55 #endif
56 
57 #ifdef __cplusplus
58 extern "C"
59 {
60 #endif
61 
62  extern void matvec_euclid_seq (int n, int *rp, int *cval, double *aval,
63  double *x, double *y);
64  extern double InnerProd (int local_n, double *x, double *y);
65  extern double Norm2 (int local_n, double *x);
66  extern void Axpy (int n, double alpha, double *x, double *y);
67  extern double Norm2 (int n, double *x);
68  extern void CopyVec (int n, double *xIN, double *yOUT);
69  extern void ScaleVec (int n, double alpha, double *x);
70 
71 #ifdef __cplusplus
72 }
73 #endif
74 
75 #endif