LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ cblas_dtrmv()

void cblas_dtrmv ( CBLAS_LAYOUT  layout,
CBLAS_UPLO  Uplo,
CBLAS_TRANSPOSE  TransA,
CBLAS_DIAG  Diag,
const int  N,
const double *  A,
const int  lda,
double *  X,
const int  incX 
)

Definition at line 12 of file cblas_dtrmv.c.

17 {
18  char TA;
19  char UL;
20  char DI;
21 #ifdef F77_CHAR
22  F77_CHAR F77_TA, F77_UL, F77_DI;
23 #else
24  #define F77_TA &TA
25  #define F77_UL &UL
26  #define F77_DI &DI
27 #endif
28 #ifdef F77_INT
29  F77_INT F77_N=N, F77_lda=lda, F77_incX=incX;
30 #else
31  #define F77_N N
32  #define F77_lda lda
33  #define F77_incX incX
34 #endif
35  extern int CBLAS_CallFromC;
36  extern int RowMajorStrg;
37  RowMajorStrg = 0;
38 
39  CBLAS_CallFromC = 1;
40  if (layout == CblasColMajor)
41  {
42  if (Uplo == CblasUpper) UL = 'U';
43  else if (Uplo == CblasLower) UL = 'L';
44  else
45  {
46  cblas_xerbla(2, "cblas_dtrmv","Illegal Uplo setting, %d\n", Uplo);
47  CBLAS_CallFromC = 0;
48  RowMajorStrg = 0;
49  return;
50  }
51  if (TransA == CblasNoTrans) TA = 'N';
52  else if (TransA == CblasTrans) TA = 'T';
53  else if (TransA == CblasConjTrans) TA = 'C';
54  else
55  {
56  cblas_xerbla(3, "cblas_dtrmv","Illegal TransA setting, %d\n", TransA);
57  CBLAS_CallFromC = 0;
58  RowMajorStrg = 0;
59  return;
60  }
61  if (Diag == CblasUnit) DI = 'U';
62  else if (Diag == CblasNonUnit) DI = 'N';
63  else
64  {
65  cblas_xerbla(4, "cblas_dtrmv","Illegal Diag setting, %d\n", Diag);
66  CBLAS_CallFromC = 0;
67  RowMajorStrg = 0;
68  return;
69  }
70  #ifdef F77_CHAR
71  F77_UL = C2F_CHAR(&UL);
72  F77_TA = C2F_CHAR(&TA);
73  F77_DI = C2F_CHAR(&DI);
74  #endif
75  F77_dtrmv( F77_UL, F77_TA, F77_DI, &F77_N, A, &F77_lda, X,
76  &F77_incX);
77  }
78  else if (layout == CblasRowMajor)
79  {
80  RowMajorStrg = 1;
81  if (Uplo == CblasUpper) UL = 'L';
82  else if (Uplo == CblasLower) UL = 'U';
83  else
84  {
85  cblas_xerbla(2, "cblas_dtrmv","Illegal Uplo setting, %d\n", Uplo);
86  CBLAS_CallFromC = 0;
87  RowMajorStrg = 0;
88  return;
89  }
90 
91  if (TransA == CblasNoTrans) TA = 'T';
92  else if (TransA == CblasTrans) TA = 'N';
93  else if (TransA == CblasConjTrans) TA = 'N';
94  else
95  {
96  cblas_xerbla(3, "cblas_dtrmv","Illegal TransA setting, %d\n", TransA);
97  CBLAS_CallFromC = 0;
98  RowMajorStrg = 0;
99  return;
100  }
101 
102  if (Diag == CblasUnit) DI = 'U';
103  else if (Diag == CblasNonUnit) DI = 'N';
104  else
105  {
106  cblas_xerbla(4, "cblas_dtrmv","Illegal Diag setting, %d\n", Diag);
107  CBLAS_CallFromC = 0;
108  RowMajorStrg = 0;
109  return;
110  }
111  #ifdef F77_CHAR
112  F77_UL = C2F_CHAR(&UL);
113  F77_TA = C2F_CHAR(&TA);
114  F77_DI = C2F_CHAR(&DI);
115  #endif
116  F77_dtrmv( F77_UL, F77_TA, F77_DI, &F77_N, A, &F77_lda, X,
117  &F77_incX);
118  } else cblas_xerbla(1, "cblas_dtrmv", "Illegal layout setting, %d\n", layout);
119  CBLAS_CallFromC = 0;
120  RowMajorStrg = 0;
121  return;
122 }
#define F77_TA
int RowMajorStrg
Definition: cblas_globals.c:2
#define F77_N
#define F77_dtrmv
Definition: cblas_f77.h:136
#define F77_incX
#define F77_DI
#define F77_UL
#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 N
Definition: example_user.c:10
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