1 /*
2  *
3  * cblas_ctrmm.c
4  * This program is a C interface to ctrmm.
5  * Written by Keita Teranishi
6  * 4/8/1998
7  *
8  */
9 
10 #include "cblas.h"
11 #include "cblas_f77.h"
cblas_ctrmm(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 void * alpha,const void * A,const int lda,void * B,const int ldb)12 void cblas_ctrmm(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 void *alpha, const void  *A, const int lda,
16                  void  *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_ctrmm", "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_ctrmm", "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_ctrmm", "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 cblas_xerbla(5, "cblas_ctrmm",
77                        "Illegal Diag setting, %d\n", Diag);
78 
79       #ifdef F77_CHAR
80          F77_UL = C2F_CHAR(&UL);
81          F77_TA = C2F_CHAR(&TA);
82          F77_SD = C2F_CHAR(&SD);
83          F77_DI = C2F_CHAR(&DI);
84       #endif
85 
86       F77_ctrmm(F77_SD, F77_UL, F77_TA, F77_DI, &F77_M, &F77_N, alpha, A, &F77_lda, B, &F77_ldb);
87    } else if (Order == CblasRowMajor)
88    {
89       RowMajorStrg = 1;
90       if( Side == CblasRight ) SD='L';
91       else if ( Side == CblasLeft ) SD='R';
92       else
93       {
94          cblas_xerbla(2, "cblas_ctrmm", "Illegal Side setting, %d\n", Side);
95          CBLAS_CallFromC = 0;
96          RowMajorStrg = 0;
97          return;
98       }
99 
100       if( Uplo == CblasUpper ) UL='L';
101       else if ( Uplo == CblasLower ) UL='U';
102       else
103       {
104          cblas_xerbla(3, "cblas_ctrmm", "Illegal Uplo setting, %d\n", Uplo);
105          CBLAS_CallFromC = 0;
106          RowMajorStrg = 0;
107          return;
108       }
109 
110       if( TransA == CblasTrans ) TA ='T';
111       else if ( TransA == CblasConjTrans ) TA='C';
112       else if ( TransA == CblasNoTrans )   TA='N';
113       else
114       {
115          cblas_xerbla(4, "cblas_ctrmm", "Illegal Trans setting, %d\n", TransA);
116          CBLAS_CallFromC = 0;
117          RowMajorStrg = 0;
118          return;
119       }
120 
121       if( Diag == CblasUnit ) DI='U';
122       else if ( Diag == CblasNonUnit ) DI='N';
123       else
124       {
125          cblas_xerbla(5, "cblas_ctrmm", "Illegal Diag setting, %d\n", Diag);
126          CBLAS_CallFromC = 0;
127          RowMajorStrg = 0;
128          return;
129       }
130 
131       #ifdef F77_CHAR
132          F77_UL = C2F_CHAR(&UL);
133          F77_TA = C2F_CHAR(&TA);
134          F77_SD = C2F_CHAR(&SD);
135          F77_DI = C2F_CHAR(&DI);
136       #endif
137 
138       F77_ctrmm(F77_SD, F77_UL, F77_TA, F77_DI, &F77_N, &F77_M, alpha, A, &F77_lda, B, &F77_ldb);
139    }
140    else  cblas_xerbla(1, "cblas_ctrmm", "Illegal Order setting, %d\n", Order);
141    CBLAS_CallFromC = 0;
142    RowMajorStrg = 0;
143    return;
144 }
145