v0.9.0
cblas_dtrmm.c
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1 /*
2  *
3  * cblas_dtrmm.c
4  * This program is a C interface to dtrmm.
5  * Written by Keita Teranishi
6  * 4/6/1998
7  *
8  */
9 
10 #include "cblas.h"
11 #include "cblas_f77.h"
12 void cblas_dtrmm(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 double alpha, const double *A, const int lda,
16  double *B, const int ldb)
17 {
18  char UL, TA, SD, DI;
19 #ifdef F77_CHAR
20  F77_CHAR F77_TA, F77_UL, F77_SD, F77_DI;
21 #else
22  #define F77_TA &TA
23  #define F77_UL &UL
24  #define F77_SD &SD
25  #define F77_DI &DI
26 #endif
27 
28 #ifdef F77_INT
29  F77_INT F77_M=M, F77_N=N, F77_lda=lda, F77_ldb=ldb;
30 #else
31  #define F77_M M
32  #define F77_N N
33  #define F77_lda lda
34  #define F77_ldb ldb
35 #endif
36 
37  extern int CBLAS_CallFromC;
38  extern int RowMajorStrg;
39  RowMajorStrg = 0;
40  CBLAS_CallFromC = 1;
41 
42  if( Order == CblasColMajor )
43  {
44  if( Side == CblasRight) SD='R';
45  else if ( Side == CblasLeft ) SD='L';
46  else
47  {
48  cblas_xerbla(2, "cblas_dtrmm","Illegal Side setting, %d\n", Side);
49  CBLAS_CallFromC = 0;
50  RowMajorStrg = 0;
51  return;
52  }
53  if( Uplo == CblasUpper) UL='U';
54  else if ( Uplo == CblasLower ) UL='L';
55  else
56  {
57  cblas_xerbla(3, "cblas_dtrmm","Illegal Uplo setting, %d\n", Uplo);
58  CBLAS_CallFromC = 0;
59  RowMajorStrg = 0;
60  return;
61  }
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_dtrmm","Illegal Trans setting, %d\n", TransA);
69  CBLAS_CallFromC = 0;
70  RowMajorStrg = 0;
71  return;
72  }
73 
74  if( Diag == CblasUnit ) DI='U';
75  else if ( Diag == CblasNonUnit ) DI='N';
76  else
77  {
78  cblas_xerbla(5, "cblas_dtrmm","Illegal Diag setting, %d\n", Diag);
79  CBLAS_CallFromC = 0;
80  RowMajorStrg = 0;
81  return;
82  }
83 
84  #ifdef F77_CHAR
85  F77_UL = C2F_CHAR(&UL);
86  F77_TA = C2F_CHAR(&TA);
87  F77_SD = C2F_CHAR(&SD);
88  F77_DI = C2F_CHAR(&DI);
89  #endif
90 
91  F77_dtrmm(F77_SD, F77_UL, F77_TA, F77_DI, &F77_M, &F77_N, &alpha, A, &F77_lda, B, &F77_ldb);
92  } else if (Order == CblasRowMajor)
93  {
94  RowMajorStrg = 1;
95  if( Side == CblasRight) SD='L';
96  else if ( Side == CblasLeft ) SD='R';
97  else
98  {
99  cblas_xerbla(2, "cblas_dtrmm","Illegal Side setting, %d\n", Side);
100  CBLAS_CallFromC = 0;
101  RowMajorStrg = 0;
102  return;
103  }
104 
105  if( Uplo == CblasUpper) UL='L';
106  else if ( Uplo == CblasLower ) UL='U';
107  else
108  {
109  cblas_xerbla(3, "cblas_dtrmm","Illegal Uplo setting, %d\n", Uplo);
110  CBLAS_CallFromC = 0;
111  RowMajorStrg = 0;
112  return;
113  }
114 
115  if( TransA == CblasTrans) TA ='T';
116  else if ( TransA == CblasConjTrans ) TA='C';
117  else if ( TransA == CblasNoTrans ) TA='N';
118  else
119  {
120  cblas_xerbla(4, "cblas_dtrmm","Illegal Trans setting, %d\n", TransA);
121  CBLAS_CallFromC = 0;
122  RowMajorStrg = 0;
123  return;
124  }
125 
126  if( Diag == CblasUnit ) DI='U';
127  else if ( Diag == CblasNonUnit ) DI='N';
128  else
129  {
130  cblas_xerbla(5, "cblas_dtrmm","Illegal Diag setting, %d\n", Diag);
131  CBLAS_CallFromC = 0;
132  RowMajorStrg = 0;
133  return;
134  }
135 
136  #ifdef F77_CHAR
137  F77_UL = C2F_CHAR(&UL);
138  F77_TA = C2F_CHAR(&TA);
139  F77_SD = C2F_CHAR(&SD);
140  F77_DI = C2F_CHAR(&DI);
141  #endif
142  F77_dtrmm(F77_SD, F77_UL, F77_TA, F77_DI, &F77_N, &F77_M, &alpha, A, &F77_lda, B, &F77_ldb);
143  }
144  else cblas_xerbla(1, "cblas_dtrmm", "Illegal Order setting, %d\n", Order);
145  CBLAS_CallFromC = 0;
146  RowMajorStrg = 0;
147  return;
148 }
#define F77_SD
#define F77_UL
#define F77_N
CBLAS_UPLO
Definition: cblas.h:12
#define F77_lda
CBLAS_TRANSPOSE
Definition: cblas.h:11
#define F77_ldb
int CBLAS_CallFromC
Definition: cblas_globals.c:1
#define F77_TA
CBLAS_DIAG
Definition: cblas.h:13
void cblas_dtrmm(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 double alpha, const double *A, const int lda, double *B, const int ldb)
Definition: cblas_dtrmm.c:12
CBLAS_ORDER
Definition: cblas.h:10
#define F77_DI
CBLAS_SIDE
Definition: cblas.h:14
void cblas_xerbla(int p, const char *rout, const char *form,...)
Definition: cblas_xerbla.c:8
const int N
Definition: speed_test.cpp:3
#define F77_M
void F77_dtrmm(FCHAR, FCHAR, FCHAR, FCHAR, FINT, FINT, const double *, const double *, FINT, double *, FINT)
int RowMajorStrg
Definition: cblas_globals.c:2