v0.9.0
cblas_strsm.c
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1 /*
2  *
3  * cblas_strsm.c
4  * This program is a C interface to strsm.
5  * Written by Keita Teranishi
6  * 4/6/1998
7  *
8  */
9 
10 #include "cblas.h"
11 #include "cblas_f77.h"
12 void cblas_strsm(const enum CBLAS_ORDER Order, const enum CBLAS_SIDE Side,
13  const enum CBLAS_UPLO Uplo, const enum CBLAS_TRANSPOSE TransA,
14  const enum CBLAS_DIAG Diag, const int M, const int N,
15  const float alpha, const float *A, const int lda,
16  float *B, const int ldb)
17 
18 {
19  char UL, TA, SD, DI;
20 #ifdef F77_CHAR
21  F77_CHAR F77_TA, F77_UL, F77_SD, F77_DI;
22 #else
23  #define F77_TA &TA
24  #define F77_UL &UL
25  #define F77_SD &SD
26  #define F77_DI &DI
27 #endif
28 
29 #ifdef F77_INT
30  F77_INT F77_N=M, F77_N=N, F77_lda=lda, F77_ldb=ldb;
31 #else
32  #define F77_M M
33  #define F77_N N
34  #define F77_lda lda
35  #define F77_ldb ldb
36 #endif
37 
38  extern int CBLAS_CallFromC;
39  extern int RowMajorStrg;
40  RowMajorStrg = 0;
41  CBLAS_CallFromC = 1;
42 
43  if( Order == CblasColMajor )
44  {
45  if( Side == CblasRight) SD='R';
46  else if ( Side == CblasLeft ) SD='L';
47  else
48  {
49  cblas_xerbla(2, "cblas_strsm", "Illegal Side setting, %d\n", Side);
50  CBLAS_CallFromC = 0;
51  RowMajorStrg = 0;
52  return;
53  }
54  if( Uplo == CblasUpper) UL='U';
55  else if ( Uplo == CblasLower ) UL='L';
56  else
57  {
58  cblas_xerbla(3, "cblas_strsm", "Illegal Uplo setting, %d\n", Uplo);
59  CBLAS_CallFromC = 0;
60  RowMajorStrg = 0;
61  return;
62  }
63  if( TransA == CblasTrans) TA ='T';
64  else if ( TransA == CblasConjTrans ) TA='C';
65  else if ( TransA == CblasNoTrans ) TA='N';
66  else
67  {
68  cblas_xerbla(4, "cblas_strsm", "Illegal Trans setting, %d\n", TransA);
69  CBLAS_CallFromC = 0;
70  RowMajorStrg = 0;
71  return;
72  }
73  if( Diag == CblasUnit ) DI='U';
74  else if ( Diag == CblasNonUnit ) DI='N';
75  else
76  {
77  cblas_xerbla(5, "cblas_strsm", "Illegal Diag setting, %d\n", Diag);
78  CBLAS_CallFromC = 0;
79  RowMajorStrg = 0;
80  return;
81  }
82  #ifdef F77_CHAR
83  F77_UL = C2F_CHAR(&UL);
84  F77_TA = C2F_CHAR(&TA);
85  F77_SD = C2F_CHAR(&SD);
86  F77_DI = C2F_CHAR(&DI);
87  #endif
88 
89  F77_strsm(F77_SD, F77_UL, F77_TA, F77_DI, &F77_M, &F77_N, &alpha, A, &F77_lda, B, &F77_ldb);
90  } else if (Order == CblasRowMajor)
91  {
92  RowMajorStrg = 1;
93  if( Side == CblasRight) SD='L';
94  else if ( Side == CblasLeft ) SD='R';
95  else
96  {
97  cblas_xerbla(2, "cblas_strsm", "Illegal Side setting, %d\n", Side);
98  CBLAS_CallFromC = 0;
99  RowMajorStrg = 0;
100  return;
101  }
102  if( Uplo == CblasUpper) UL='L';
103  else if ( Uplo == CblasLower ) UL='U';
104  else
105  {
106  cblas_xerbla(3, "cblas_strsm", "Illegal Uplo setting, %d\n", Uplo);
107  CBLAS_CallFromC = 0;
108  RowMajorStrg = 0;
109  return;
110  }
111  if( TransA == CblasTrans) TA ='T';
112  else if ( TransA == CblasConjTrans ) TA='C';
113  else if ( TransA == CblasNoTrans ) TA='N';
114  else
115  {
116  cblas_xerbla(4, "cblas_strsm", "Illegal Trans setting, %d\n", TransA);
117  CBLAS_CallFromC = 0;
118  RowMajorStrg = 0;
119  return;
120  }
121  if( Diag == CblasUnit ) DI='U';
122  else if ( Diag == CblasNonUnit ) DI='N';
123  else
124  {
125  cblas_xerbla(5, "cblas_strsm", "Illegal Diag setting, %d\n", Diag);
126  CBLAS_CallFromC = 0;
127  RowMajorStrg = 0;
128  return;
129  }
130  #ifdef F77_CHAR
131  F77_UL = C2F_CHAR(&UL);
132  F77_TA = C2F_CHAR(&TA);
133  F77_SD = C2F_CHAR(&SD);
134  F77_DI = C2F_CHAR(&DI);
135  #endif
136 
137  F77_strsm(F77_SD, F77_UL, F77_TA, F77_DI, &F77_N, &F77_M, &alpha, A, &F77_lda, B, &F77_ldb);
138  }
139  else cblas_xerbla(1, "cblas_strsm", "Illegal Order setting, %d\n", Order);
140  CBLAS_CallFromC = 0;
141  RowMajorStrg = 0;
142  return;
143 }
#define F77_ldb
#define F77_M
CBLAS_UPLO
Definition: cblas.h:12
CBLAS_TRANSPOSE
Definition: cblas.h:11
void F77_strsm(FCHAR, FCHAR, FCHAR, FCHAR, FINT, FINT, const float *, const float *, FINT, float *, FINT)
int CBLAS_CallFromC
Definition: cblas_globals.c:1
#define F77_SD
#define F77_UL
CBLAS_DIAG
Definition: cblas.h:13
#define F77_lda
CBLAS_ORDER
Definition: cblas.h:10
CBLAS_SIDE
Definition: cblas.h:14
void cblas_xerbla(int p, const char *rout, const char *form,...)
Definition: cblas_xerbla.c:8
#define F77_TA
#define F77_DI
const int N
Definition: speed_test.cpp:3
#define F77_N
void cblas_strsm(const enum CBLAS_ORDER Order, const enum CBLAS_SIDE Side, const enum CBLAS_UPLO Uplo, const enum CBLAS_TRANSPOSE TransA, const enum CBLAS_DIAG Diag, const int M, const int N, const float alpha, const float *A, const int lda, float *B, const int ldb)
Definition: cblas_strsm.c:12
int RowMajorStrg
Definition: cblas_globals.c:2