1 /*
2 * cblas_stbsv.c
3 * The program is a C interface to stbsv.
4 *
5 * Keita Teranishi 5/20/98
6 *
7 */
8 #include "cblas.h"
9 #include "cblas_f77.h"
cblas_stbsv(const enum CBLAS_ORDER order,const enum CBLAS_UPLO Uplo,const enum CBLAS_TRANSPOSE TransA,const enum CBLAS_DIAG Diag,const CBLAS_INT_TYPE N,const CBLAS_INT_TYPE K,const float * A,const CBLAS_INT_TYPE lda,float * X,const CBLAS_INT_TYPE incX)10 void cblas_stbsv(const enum CBLAS_ORDER order, const enum CBLAS_UPLO Uplo,
11 const enum CBLAS_TRANSPOSE TransA, const enum CBLAS_DIAG Diag,
12 const CBLAS_INT_TYPE N, const CBLAS_INT_TYPE K, const float *A, const CBLAS_INT_TYPE lda,
13 float *X, const CBLAS_INT_TYPE incX)
14 {
15 char TA;
16 char UL;
17 char DI;
18 #ifdef F77_CHAR
19 F77_CHAR F77_TA, F77_UL, F77_DI;
20 #else
21 #define F77_TA &TA
22 #define F77_UL &UL
23 #define F77_DI &DI
24 #endif
25 #ifdef F77_INT
26 F77_INT F77_N=N, F77_lda=lda, F77_K=K, F77_incX=incX;
27 #else
28 #define F77_N N
29 #define F77_K K
30 #define F77_lda lda
31 #define F77_incX incX
32 #endif
33
34 if (order == CblasColMajor)
35 {
36 if (Uplo == CblasUpper) UL = 'U';
37 else if (Uplo == CblasLower) UL = 'L';
38 else
39 {
40 cblas_xerbla(2, "cblas_stbsv","Illegal Uplo setting, %d\n", Uplo);
41 return;
42 }
43 if (TransA == CblasNoTrans) TA = 'N';
44 else if (TransA == CblasTrans) TA = 'T';
45 else if (TransA == CblasConjTrans) TA = 'C';
46 else
47 {
48 cblas_xerbla(3, "cblas_stbsv","Illegal TransA setting, %d\n", TransA);
49 return;
50 }
51 if (Diag == CblasUnit) DI = 'U';
52 else if (Diag == CblasNonUnit) DI = 'N';
53 else
54 {
55 cblas_xerbla(4, "cblas_stbsv","Illegal Diag setting, %d\n", Diag);
56 return;
57 }
58 #ifdef F77_CHAR
59 F77_UL = C2F_CHAR(&UL);
60 F77_TA = C2F_CHAR(&TA);
61 F77_DI = C2F_CHAR(&DI);
62 #endif
63 F77_stbsv( F77_UL, F77_TA, F77_DI, &F77_N, &F77_K, A, &F77_lda, X,
64 &F77_incX);
65 }
66 else if (order == CblasRowMajor)
67 {
68 if (Uplo == CblasUpper) UL = 'L';
69 else if (Uplo == CblasLower) UL = 'U';
70 else
71 {
72 cblas_xerbla(2, "cblas_stbsv","Illegal Uplo setting, %d\n", Uplo);
73 return;
74 }
75
76 if (TransA == CblasNoTrans) TA = 'T';
77 else if (TransA == CblasTrans) TA = 'N';
78 else if (TransA == CblasConjTrans) TA = 'N';
79 else
80 {
81 cblas_xerbla(3, "cblas_stbsv","Illegal TransA setting, %d\n", TransA);
82 return;
83 }
84
85 if (Diag == CblasUnit) DI = 'U';
86 else if (Diag == CblasNonUnit) DI = 'N';
87 else
88 {
89 cblas_xerbla(4, "cblas_stbsv","Illegal Diag setting, %d\n", Diag);
90 return;
91 }
92 #ifdef F77_CHAR
93 F77_UL = C2F_CHAR(&UL);
94 F77_TA = C2F_CHAR(&TA);
95 F77_DI = C2F_CHAR(&DI);
96 #endif
97
98 F77_stbsv( F77_UL, F77_TA, F77_DI, &F77_N, &F77_K, A, &F77_lda, X,
99 &F77_incX);
100 }
101 else cblas_xerbla(1, "cblas_stbsv", "Illegal Order setting, %d\n", order);
102 return;
103 }
104