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

 void cblas_dtrmv ( CBLAS_LAYOUT layout, CBLAS_UPLO Uplo, CBLAS_TRANSPOSE TransA, CBLAS_DIAG Diag, const CBLAS_INT N, const double * A, const CBLAS_INT lda, double * X, const CBLAS_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
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);
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);
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);
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
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);
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);
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
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}
@ CblasLower
Definition: cblas.h:41
@ CblasUpper
Definition: cblas.h:41
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
@ CblasUnit
Definition: cblas.h:42
@ CblasNonUnit
Definition: cblas.h:42
#define F77_DI
#define F77_incX
#define F77_TA
#define F77_N
#define F77_lda
#define F77_UL
#define F77_dtrmv(...)
Definition: cblas_f77.h:320
#define F77_INT
Definition: cblas_f77.h:32
int CBLAS_CallFromC
Definition: cblas_globals.c:1
int RowMajorStrg
Definition: cblas_globals.c:2
#define N
Definition: example_user.c:10
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