LAPACK 3.12.0
LAPACK: Linear Algebra PACKage
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cblas_dtrsv.c
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1/*
2 * cblas_dtrsv.c
3 * The program is a C interface to dtrsv.
4 *
5 * Keita Teranishi 5/20/98
6 *
7 */
8#include "cblas.h"
9#include "cblas_f77.h"
10void API_SUFFIX(cblas_dtrsv)(const CBLAS_LAYOUT layout, const CBLAS_UPLO Uplo,
11 const CBLAS_TRANSPOSE TransA, const CBLAS_DIAG Diag,
12 const CBLAS_INT N, const double *A, const CBLAS_INT lda, double *X,
13 const CBLAS_INT incX)
14
15{
16 char TA;
17 char UL;
18 char DI;
19#ifdef F77_CHAR
20 F77_CHAR F77_TA, F77_UL, F77_DI;
21#else
22 #define F77_TA &TA
23 #define F77_UL &UL
24 #define F77_DI &DI
25#endif
26#ifdef F77_INT
27 F77_INT F77_N=N, F77_lda=lda, F77_incX=incX;
28#else
29 #define F77_N N
30 #define F77_lda lda
31 #define F77_incX incX
32#endif
33 extern int CBLAS_CallFromC;
34 extern int RowMajorStrg;
35 RowMajorStrg = 0;
36
38 if (layout == CblasColMajor)
39 {
40 if (Uplo == CblasUpper) UL = 'U';
41 else if (Uplo == CblasLower) UL = 'L';
42 else
43 {
44 API_SUFFIX(cblas_xerbla)(2, "cblas_dtrsv","Illegal Uplo setting, %d\n", Uplo);
46 RowMajorStrg = 0;
47 return;
48 }
49 if (TransA == CblasNoTrans) TA = 'N';
50 else if (TransA == CblasTrans) TA = 'T';
51 else if (TransA == CblasConjTrans) TA = 'C';
52 else
53 {
54 API_SUFFIX(cblas_xerbla)(3, "cblas_dtrsv","Illegal TransA setting, %d\n", TransA);
56 RowMajorStrg = 0;
57 return;
58 }
59 if (Diag == CblasUnit) DI = 'U';
60 else if (Diag == CblasNonUnit) DI = 'N';
61 else
62 {
63 API_SUFFIX(cblas_xerbla)(4, "cblas_dtrsv","Illegal Diag setting, %d\n", Diag);
65 RowMajorStrg = 0;
66 return;
67 }
68 #ifdef F77_CHAR
69 F77_UL = C2F_CHAR(&UL);
70 F77_TA = C2F_CHAR(&TA);
71 F77_DI = C2F_CHAR(&DI);
72 #endif
74 &F77_incX);
75 }
76 else if (layout == CblasRowMajor)
77 {
78 RowMajorStrg = 1;
79 if (Uplo == CblasUpper) UL = 'L';
80 else if (Uplo == CblasLower) UL = 'U';
81 else
82 {
83 API_SUFFIX(cblas_xerbla)(2, "cblas_dtrsv","Illegal Uplo setting, %d\n", Uplo);
85 RowMajorStrg = 0;
86 return;
87 }
88
89 if (TransA == CblasNoTrans) TA = 'T';
90 else if (TransA == CblasTrans) TA = 'N';
91 else if (TransA == CblasConjTrans) TA = 'N';
92 else
93 {
94 API_SUFFIX(cblas_xerbla)(3, "cblas_dtrsv","Illegal TransA setting, %d\n", TransA);
96 RowMajorStrg = 0;
97 return;
98 }
99
100 if (Diag == CblasUnit) DI = 'U';
101 else if (Diag == CblasNonUnit) DI = 'N';
102 else
103 {
104 API_SUFFIX(cblas_xerbla)(4, "cblas_dtrsv","Illegal Diag setting, %d\n", Diag);
105 CBLAS_CallFromC = 0;
106 RowMajorStrg = 0;
107 return;
108 }
109 #ifdef F77_CHAR
110 F77_UL = C2F_CHAR(&UL);
111 F77_TA = C2F_CHAR(&TA);
112 F77_DI = C2F_CHAR(&DI);
113 #endif
115 &F77_incX);
116 }
117 else API_SUFFIX(cblas_xerbla)(1, "cblas_dtrsv", "Illegal layout setting, %d\n", layout);
118 CBLAS_CallFromC = 0;
119 RowMajorStrg = 0;
120 return;
121}
CBLAS_UPLO
Definition cblas.h:41
@ CblasLower
Definition cblas.h:41
@ CblasUpper
Definition cblas.h:41
void cblas_xerbla(CBLAS_INT p, const char *rout, const char *form,...)
CBLAS_TRANSPOSE
Definition cblas.h:40
@ CblasNoTrans
Definition cblas.h:40
@ CblasTrans
Definition cblas.h:40
@ CblasConjTrans
Definition cblas.h:40
CBLAS_LAYOUT
Definition cblas.h:39
@ CblasColMajor
Definition cblas.h:39
@ CblasRowMajor
Definition cblas.h:39
CBLAS_DIAG
Definition cblas.h:42
@ CblasUnit
Definition cblas.h:42
@ CblasNonUnit
Definition cblas.h:42
#define API_SUFFIX(a)
Definition cblas.h:57
#define CBLAS_INT
Definition cblas.h:24
#define F77_DI
#define F77_incX
#define F77_TA
void API_SUFFIX() cblas_dtrsv(const CBLAS_LAYOUT layout, const CBLAS_UPLO Uplo, const CBLAS_TRANSPOSE TransA, const CBLAS_DIAG Diag, const CBLAS_INT N, const double *A, const CBLAS_INT lda, double *X, const CBLAS_INT incX)
Definition cblas_dtrsv.c:10
#define F77_N
#define F77_lda
#define F77_UL
#define F77_INT
#define F77_dtrsv(...)
Definition cblas_f77.h:336
int CBLAS_CallFromC
int RowMajorStrg