LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ cblas_dgbmv()

void cblas_dgbmv ( CBLAS_LAYOUT  layout,
CBLAS_TRANSPOSE  TransA,
const int  M,
const int  N,
const int  KL,
const int  KU,
const double  alpha,
const double *  A,
const int  lda,
const double *  X,
const int  incX,
const double  beta,
double *  Y,
const int  incY 
)

Definition at line 11 of file cblas_dgbmv.c.

17 {
18  char TA;
19 #ifdef F77_CHAR
20  F77_CHAR F77_TA;
21 #else
22  #define F77_TA &TA
23 #endif
24 #ifdef F77_INT
25  F77_INT F77_M=M, F77_N=N, F77_lda=lda, F77_incX=incX, F77_incY=incY;
26  F77_INT F77_KL=KL,F77_KU=KU;
27 #else
28  #define F77_M M
29  #define F77_N N
30  #define F77_lda lda
31  #define F77_KL KL
32  #define F77_KU KU
33  #define F77_incX incX
34  #define F77_incY incY
35 #endif
36  extern int CBLAS_CallFromC;
37  extern int RowMajorStrg;
38  RowMajorStrg = 0;
39 
40  CBLAS_CallFromC = 1;
41  if (layout == CblasColMajor)
42  {
43  if (TransA == CblasNoTrans) TA = 'N';
44  else if (TransA == CblasTrans) TA = 'T';
45  else if (TransA == CblasConjTrans) TA = 'C';
46  else
47  {
48  cblas_xerbla(2, "cblas_dgbmv","Illegal TransA setting, %d\n", TransA);
49  CBLAS_CallFromC = 0;
50  RowMajorStrg = 0;
51  return;
52  }
53  #ifdef F77_CHAR
54  F77_TA = C2F_CHAR(&TA);
55  #endif
56  F77_dgbmv(F77_TA, &F77_M, &F77_N, &F77_KL, &F77_KU, &alpha,
57  A, &F77_lda, X, &F77_incX, &beta, Y, &F77_incY);
58  }
59  else if (layout == CblasRowMajor)
60  {
61  RowMajorStrg = 1;
62  if (TransA == CblasNoTrans) TA = 'T';
63  else if (TransA == CblasTrans) TA = 'N';
64  else if (TransA == CblasConjTrans) TA = 'N';
65  else
66  {
67  cblas_xerbla(2, "cblas_dgbmv","Illegal TransA setting, %d\n", TransA);
68  CBLAS_CallFromC = 0;
69  RowMajorStrg = 0;
70  return;
71  }
72  #ifdef F77_CHAR
73  F77_TA = C2F_CHAR(&TA);
74  #endif
75  F77_dgbmv(F77_TA, &F77_N, &F77_M, &F77_KU, &F77_KL, &alpha,
76  A ,&F77_lda, X,&F77_incX, &beta, Y, &F77_incY);
77  }
78  else cblas_xerbla(1, "cblas_dgbmv", "Illegal layout setting, %d\n", layout);
79  CBLAS_CallFromC = 0;
80  RowMajorStrg = 0;
81 }
#define F77_TA
int RowMajorStrg
Definition: cblas_globals.c:2
#define F77_incY
#define F77_KU
#define F77_N
#define F77_KL
#define F77_dgbmv
Definition: cblas_f77.h:135
#define F77_incX
#define F77_lda
int CBLAS_CallFromC
Definition: cblas_globals.c:1
void cblas_xerbla(int p, const char *rout, const char *form,...)
Definition: cblas_xerbla.c:8
#define F77_M
#define N
Definition: example_user.c:10
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