1 /*
2 * cblas_dtpsv.c
3 * The program is a C interface to dtpsv.
4 *
5 * Keita Teranishi 5/20/98
6 *
7 */
8 #include "cblas.h"
9 #include "cblas_f77.h"
cblas_dtpsv(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 double * Ap,double * X,const CBLAS_INT_TYPE incX)10 void cblas_dtpsv(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 double *Ap, double *X, const CBLAS_INT_TYPE incX)
13 {
14 char TA;
15 char UL;
16 char DI;
17 #ifdef F77_CHAR
18 F77_CHAR F77_TA, F77_UL, F77_DI;
19 #else
20 #define F77_TA &TA
21 #define F77_UL &UL
22 #define F77_DI &DI
23 #endif
24 #ifdef F77_INT
25 F77_INT F77_N=N, F77_incX=incX;
26 #else
27 #define F77_N N
28 #define F77_incX incX
29 #endif
30
31 if (order == CblasColMajor)
32 {
33 if (Uplo == CblasUpper) UL = 'U';
34 else if (Uplo == CblasLower) UL = 'L';
35 else
36 {
37 cblas_xerbla(2, "cblas_dtpsv","Illegal Uplo setting, %d\n", Uplo);
38 return;
39 }
40 if (TransA == CblasNoTrans) TA = 'N';
41 else if (TransA == CblasTrans) TA = 'T';
42 else if (TransA == CblasConjTrans) TA = 'C';
43 else
44 {
45 cblas_xerbla(3, "cblas_dtpsv","Illegal TransA setting, %d\n", TransA);
46 return;
47 }
48 if (Diag == CblasUnit) DI = 'U';
49 else if (Diag == CblasNonUnit) DI = 'N';
50 else
51 {
52 cblas_xerbla(4, "cblas_dtpsv","Illegal Diag setting, %d\n", Diag);
53 return;
54 }
55 #ifdef F77_CHAR
56 F77_UL = C2F_CHAR(&UL);
57 F77_TA = C2F_CHAR(&TA);
58 F77_DI = C2F_CHAR(&DI);
59 #endif
60 F77_dtpsv( F77_UL, F77_TA, F77_DI, &F77_N, Ap, X, &F77_incX);
61 }
62 else if (order == CblasRowMajor)
63 {
64 if (Uplo == CblasUpper) UL = 'L';
65 else if (Uplo == CblasLower) UL = 'U';
66 else
67 {
68 cblas_xerbla(2, "cblas_dtpsv","Illegal Uplo setting, %d\n", Uplo);
69 return;
70 }
71
72 if (TransA == CblasNoTrans) TA = 'T';
73 else if (TransA == CblasTrans) TA = 'N';
74 else if (TransA == CblasConjTrans) TA = 'N';
75 else
76 {
77 cblas_xerbla(3, "cblas_dtpsv","Illegal TransA setting, %d\n", TransA);
78 return;
79 }
80
81 if (Diag == CblasUnit) DI = 'U';
82 else if (Diag == CblasNonUnit) DI = 'N';
83 else
84 {
85 cblas_xerbla(4, "cblas_dtpsv","Illegal Diag setting, %d\n", Diag);
86 return;
87 }
88 #ifdef F77_CHAR
89 F77_UL = C2F_CHAR(&UL);
90 F77_TA = C2F_CHAR(&TA);
91 F77_DI = C2F_CHAR(&DI);
92 #endif
93
94 F77_dtpsv( F77_UL, F77_TA, F77_DI, &F77_N, Ap, X,&F77_incX);
95
96 }
97 else cblas_xerbla(1, "cblas_dtpsv", "Illegal Order setting, %d\n", order);
98 return;
99 }
100