1 /*
2 *
3 * cblas_stpmv.c
4 * This program is a C interface to stpmv.
5 * Written by Keita Teranishi
6 * 4/6/1998
7 *
8 */
9 #include "cblas.h"
10 #include "cblas_f77.h"
cblas_stpmv(const enum CBLAS_ORDER order,const enum CBLAS_UPLO Uplo,const enum CBLAS_TRANSPOSE TransA,const enum CBLAS_DIAG Diag,const int N,const float * Ap,float * X,const int incX)11 void cblas_stpmv(const enum CBLAS_ORDER order, const enum CBLAS_UPLO Uplo,
12 const enum CBLAS_TRANSPOSE TransA, const enum CBLAS_DIAG Diag,
13 const int N, const float *Ap, float *X, const int 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_incX=incX;
27 #else
28 #define F77_N N
29 #define F77_incX incX
30 #endif
31 extern int CBLAS_CallFromC;
32 extern int RowMajorStrg;
33 RowMajorStrg = 0;
34
35 CBLAS_CallFromC = 1;
36 if (order == CblasColMajor)
37 {
38 if (Uplo == CblasUpper) UL = 'U';
39 else if (Uplo == CblasLower) UL = 'L';
40 else
41 {
42 cblas_xerbla(2, "cblas_stpmv","Illegal Uplo setting, %d\n", Uplo);
43 CBLAS_CallFromC = 0;
44 RowMajorStrg = 0;
45 return;
46 }
47 if (TransA == CblasNoTrans) TA = 'N';
48 else if (TransA == CblasTrans) TA = 'T';
49 else if (TransA == CblasConjTrans) TA = 'C';
50 else
51 {
52 cblas_xerbla(3, "cblas_stpmv","Illegal TransA setting, %d\n", TransA);
53 CBLAS_CallFromC = 0;
54 RowMajorStrg = 0;
55 return;
56 }
57 if (Diag == CblasUnit) DI = 'U';
58 else if (Diag == CblasNonUnit) DI = 'N';
59 else
60 {
61 cblas_xerbla(4, "cblas_stpmv","Illegal Diag setting, %d\n", Diag);
62 CBLAS_CallFromC = 0;
63 RowMajorStrg = 0;
64 return;
65 }
66 #ifdef F77_CHAR
67 F77_UL = C2F_CHAR(&UL);
68 F77_TA = C2F_CHAR(&TA);
69 F77_DI = C2F_CHAR(&DI);
70 #endif
71 F77_stpmv( F77_UL, F77_TA, F77_DI, &F77_N, Ap, X, &F77_incX);
72 }
73 else if (order == CblasRowMajor)
74 {
75 RowMajorStrg = 1;
76 if (Uplo == CblasUpper) UL = 'L';
77 else if (Uplo == CblasLower) UL = 'U';
78 else
79 {
80 cblas_xerbla(2, "cblas_stpmv","Illegal Uplo setting, %d\n", Uplo);
81 CBLAS_CallFromC = 0;
82 RowMajorStrg = 0;
83 return;
84 }
85
86 if (TransA == CblasNoTrans) TA = 'T';
87 else if (TransA == CblasTrans) TA = 'N';
88 else if (TransA == CblasConjTrans) TA = 'N';
89 else
90 {
91 cblas_xerbla(3, "cblas_stpmv","Illegal TransA setting, %d\n", TransA);
92 CBLAS_CallFromC = 0;
93 RowMajorStrg = 0;
94 return;
95 }
96
97 if (Diag == CblasUnit) DI = 'U';
98 else if (Diag == CblasNonUnit) DI = 'N';
99 else
100 {
101 cblas_xerbla(4, "cblas_stpmv","Illegal Diag setting, %d\n", Diag);
102 CBLAS_CallFromC = 0;
103 RowMajorStrg = 0;
104 return;
105 }
106 #ifdef F77_CHAR
107 F77_UL = C2F_CHAR(&UL);
108 F77_TA = C2F_CHAR(&TA);
109 F77_DI = C2F_CHAR(&DI);
110 #endif
111
112 F77_stpmv( F77_UL, F77_TA, F77_DI, &F77_N, Ap, X,&F77_incX);
113 }
114 else cblas_xerbla(1, "cblas_stpmv", "Illegal Order setting, %d\n", order);
115 CBLAS_CallFromC = 0;
116 RowMajorStrg = 0;
117 return;
118 }
119