001: /*
002:  *
003:  * cblas_ctrmm.c
004:  * This program is a C interface to ctrmm.
005:  * Written by Keita Teranishi
006:  * 4/8/1998
007:  *
008:  */
009: 
010: #include "cblas.h"
011: #include "cblas_f77.h"
012: void cblas_ctrmm(const enum CBLAS_ORDER Order, const enum CBLAS_SIDE Side,
013:                  const enum CBLAS_UPLO Uplo, const  enum CBLAS_TRANSPOSE TransA,
014:                  const enum CBLAS_DIAG Diag, const int M, const int N,
015:                  const void *alpha, const void  *A, const int lda,
016:                  void  *B, const int ldb)
017: {
018:    char UL, TA, SD, DI;
019: #ifdef F77_CHAR
020:    F77_CHAR F77_TA, F77_UL, F77_SD, F77_DI;
021: #else
022:    #define F77_TA &TA
023:    #define F77_UL &UL
024:    #define F77_SD &SD
025:    #define F77_DI &DI
026: #endif
027: 
028: #ifdef F77_INT
029:    F77_INT F77_M=M, F77_N=N, F77_lda=lda, F77_ldb=ldb;
030: #else
031:    #define F77_M M
032:    #define F77_N N
033:    #define F77_lda lda
034:    #define F77_ldb ldb
035: #endif
036: 
037:    extern int CBLAS_CallFromC;
038:    extern int RowMajorStrg;
039:    RowMajorStrg = 0;
040:    CBLAS_CallFromC = 1;
041: 
042:    if( Order == CblasColMajor )
043:    {
044:       if( Side == CblasRight ) SD='R';
045:       else if ( Side == CblasLeft ) SD='L';
046:       else
047:       {
048:          cblas_xerbla(2, "cblas_ctrmm", "Illegal Side setting, %d\n", Side);
049:          CBLAS_CallFromC = 0;
050:          RowMajorStrg = 0;
051:          return;
052:       }
053:       if( Uplo == CblasUpper ) UL='U';
054:       else if ( Uplo == CblasLower ) UL='L';
055:       else
056:       {
057:          cblas_xerbla(3, "cblas_ctrmm", "Illegal Uplo setting, %d\n", Uplo);
058:          CBLAS_CallFromC = 0;
059:          RowMajorStrg = 0;
060:          return;
061:       }
062: 
063:       if( TransA == CblasTrans ) TA ='T';
064:       else if ( TransA == CblasConjTrans ) TA='C';
065:       else if ( TransA == CblasNoTrans )   TA='N';
066:       else
067:       {
068:          cblas_xerbla(4, "cblas_ctrmm", "Illegal Trans setting, %d\n", TransA);
069:          CBLAS_CallFromC = 0;
070:          RowMajorStrg = 0;
071:          return;
072:       }
073: 
074:       if( Diag == CblasUnit ) DI='U';
075:       else if ( Diag == CblasNonUnit ) DI='N';
076:       else cblas_xerbla(5, "cblas_ctrmm",
077:                        "Illegal Diag setting, %d\n", Diag);
078: 
079:       #ifdef F77_CHAR
080:          F77_UL = C2F_CHAR(&UL);
081:          F77_TA = C2F_CHAR(&TA);
082:          F77_SD = C2F_CHAR(&SD);
083:          F77_DI = C2F_CHAR(&DI);
084:       #endif
085: 
086:       F77_ctrmm(F77_SD, F77_UL, F77_TA, F77_DI, &F77_M, &F77_N, (const float *)alpha, (const float *)A, &F77_lda, (float *)B, &F77_ldb);
087:    } else if (Order == CblasRowMajor)
088:    {
089:       RowMajorStrg = 1;
090:       if( Side == CblasRight ) SD='L';
091:       else if ( Side == CblasLeft ) SD='R';
092:       else
093:       {
094:          cblas_xerbla(2, "cblas_ctrmm", "Illegal Side setting, %d\n", Side);
095:          CBLAS_CallFromC = 0;
096:          RowMajorStrg = 0;
097:          return;
098:       }
099: 
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, (const float *)alpha, (const float *)A, &F77_lda, (float *)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: