LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ cblas_sgbmv()

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

Definition at line 12 of file cblas_sgbmv.c.

18 {
19  char TA;
20 #ifdef F77_CHAR
21  F77_CHAR F77_TA;
22 #else
23  #define F77_TA &TA
24 #endif
25 #ifdef F77_INT
26  F77_INT F77_M=M, F77_N=N, F77_lda=lda, F77_incX=incX, F77_incY=incY;
27  F77_INT F77_KL=KL,F77_KU=KU;
28 #else
29  #define F77_M M
30  #define F77_N N
31  #define F77_lda lda
32  #define F77_KL KL
33  #define F77_KU KU
34  #define F77_incX incX
35  #define F77_incY incY
36 #endif
37  extern int CBLAS_CallFromC;
38  extern int RowMajorStrg;
39  RowMajorStrg = 0;
40 
41  CBLAS_CallFromC = 1;
42  if (layout == CblasColMajor)
43  {
44  if (TransA == CblasNoTrans) TA = 'N';
45  else if (TransA == CblasTrans) TA = 'T';
46  else if (TransA == CblasConjTrans) TA = 'C';
47  else
48  {
49  cblas_xerbla(2, "cblas_sgbmv","Illegal TransA setting, %d\n", TransA);
50  CBLAS_CallFromC = 0;
51  RowMajorStrg = 0;
52  return;
53  }
54  #ifdef F77_CHAR
55  F77_TA = C2F_CHAR(&TA);
56  #endif
57  F77_sgbmv(F77_TA, &F77_M, &F77_N, &F77_KL, &F77_KU, &alpha,
58  A, &F77_lda, X, &F77_incX, &beta, Y, &F77_incY);
59  }
60  else if (layout == CblasRowMajor)
61  {
62  RowMajorStrg = 1;
63  if (TransA == CblasNoTrans) TA = 'T';
64  else if (TransA == CblasTrans) TA = 'N';
65  else if (TransA == CblasConjTrans) TA = 'N';
66  else
67  {
68  cblas_xerbla(2, "cblas_sgbmv","Illegal TransA setting, %d\n", TransA);
69  CBLAS_CallFromC = 0;
70  RowMajorStrg = 0;
71  return;
72  }
73  #ifdef F77_CHAR
74  F77_TA = C2F_CHAR(&TA);
75  #endif
76  F77_sgbmv(F77_TA, &F77_N, &F77_M, &F77_KU, &F77_KL, &alpha,
77  A ,&F77_lda, X, &F77_incX, &beta, Y, &F77_incY);
78  }
79  else cblas_xerbla(1, "cblas_sgbmv", "Illegal layout setting, %d\n", layout);
80  CBLAS_CallFromC = 0;
81  RowMajorStrg = 0;
82  return;
83 }
int RowMajorStrg
Definition: cblas_globals.c:2
#define F77_TA
#define F77_sgbmv
Definition: cblas_f77.h:127
#define F77_incX
#define F77_incY
#define F77_M
#define F77_KL
#define F77_N
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_KU
#define F77_lda
#define N
Definition: example_user.c:10
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