LAPACK 3.11.0 LAPACK: Linear Algebra PACKage
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## ◆ cblas_sgbmv()

 void cblas_sgbmv ( const CBLAS_LAYOUT layout, const CBLAS_TRANSPOSE TransA, const CBLAS_INT M, const CBLAS_INT N, const CBLAS_INT KL, const CBLAS_INT KU, const float alpha, const float * A, const CBLAS_INT lda, const float * X, const CBLAS_INT incX, const float beta, float * Y, const CBLAS_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
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);
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);
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);
81 RowMajorStrg = 0;
82 return;
83}
void cblas_xerbla(CBLAS_INT p, const char *rout, const char *form,...)
Definition: cblas_xerbla.c:12
@ CblasNoTrans
Definition: cblas.h:40
@ CblasTrans
Definition: cblas.h:40
@ CblasConjTrans
Definition: cblas.h:40
@ CblasColMajor
Definition: cblas.h:39
@ CblasRowMajor
Definition: cblas.h:39
#define F77_sgbmv(...)
Definition: cblas_f77.h:298
#define F77_INT
Definition: cblas_f77.h:32
int CBLAS_CallFromC
Definition: cblas_globals.c:1
int RowMajorStrg
Definition: cblas_globals.c:2
#define F77_incX
#define F77_KU
#define F77_incY
#define F77_TA
#define F77_N
#define F77_lda
#define F77_M
#define F77_KL
#define N
Definition: example_user.c:10
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