LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ cblas_dgemv()

void cblas_dgemv ( CBLAS_LAYOUT  layout,
CBLAS_TRANSPOSE  TransA,
const int  M,
const int  N,
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_dgemv.c.

16 {
17  char TA;
18 #ifdef F77_CHAR
19  F77_CHAR F77_TA;
20 #else
21  #define F77_TA &TA
22 #endif
23 #ifdef F77_INT
24  F77_INT F77_M=M, F77_N=N, F77_lda=lda, F77_incX=incX, F77_incY=incY;
25 #else
26  #define F77_M M
27  #define F77_N N
28  #define F77_lda lda
29  #define F77_incX incX
30  #define F77_incY incY
31 #endif
32  extern int CBLAS_CallFromC;
33  extern int RowMajorStrg;
34  RowMajorStrg = 0;
35 
36  CBLAS_CallFromC = 1;
37  if (layout == CblasColMajor)
38  {
39  if (TransA == CblasNoTrans) TA = 'N';
40  else if (TransA == CblasTrans) TA = 'T';
41  else if (TransA == CblasConjTrans) TA = 'C';
42  else
43  {
44  cblas_xerbla(2, "cblas_dgemv","Illegal TransA setting, %d\n", TransA);
45  CBLAS_CallFromC = 0;
46  RowMajorStrg = 0;
47  return;
48  }
49  #ifdef F77_CHAR
50  F77_TA = C2F_CHAR(&TA);
51  #endif
52  F77_dgemv(F77_TA, &F77_M, &F77_N, &alpha, A, &F77_lda, X, &F77_incX,
53  &beta, Y, &F77_incY);
54  }
55  else if (layout == CblasRowMajor)
56  {
57  RowMajorStrg = 1;
58  if (TransA == CblasNoTrans) TA = 'T';
59  else if (TransA == CblasTrans) TA = 'N';
60  else if (TransA == CblasConjTrans) TA = 'N';
61  else
62  {
63  cblas_xerbla(2, "cblas_dgemv","Illegal TransA setting, %d\n", TransA);
64  CBLAS_CallFromC = 0;
65  RowMajorStrg = 0;
66  return;
67  }
68  #ifdef F77_CHAR
69  F77_TA = C2F_CHAR(&TA);
70  #endif
71  F77_dgemv(F77_TA, &F77_N, &F77_M, &alpha, A, &F77_lda, X,
72  &F77_incX, &beta, Y, &F77_incY);
73  }
74  else cblas_xerbla(1, "cblas_dgemv", "Illegal layout setting, %d\n", layout);
75  CBLAS_CallFromC = 0;
76  RowMajorStrg = 0;
77  return;
78 }
int RowMajorStrg
Definition: cblas_globals.c:2
#define F77_dgemv
Definition: cblas_f77.h:134
#define F77_incX
#define F77_M
#define F77_TA
#define F77_N
#define F77_lda
#define F77_incY
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 N
Definition: example_user.c:10
Here is the call graph for this function:
Here is the caller graph for this function: