cblas_ctrsm.c
Go to the documentation of this file.
00001 /*
00002  *
00003  * cblas_ctrsm.c
00004  * This program is a C interface to ctrsm.
00005  * Written by Keita Teranishi
00006  * 4/8/1998
00007  *
00008  */
00009 
00010 #include "cblas.h"
00011 #include "cblas_f77.h"
00012 void cblas_ctrsm(const enum CBLAS_ORDER Order, const enum CBLAS_SIDE Side,
00013                  const enum CBLAS_UPLO Uplo, const enum CBLAS_TRANSPOSE TransA,
00014                  const enum CBLAS_DIAG Diag, const int M, const int N,
00015                  const void *alpha, const void  *A, const int lda,
00016                  void  *B, const int ldb)
00017 {
00018    char UL, TA, SD, DI;
00019 #ifdef F77_CHAR
00020    F77_CHAR F77_TA, F77_UL, F77_SD, F77_DI;
00021 #else
00022    #define F77_TA &TA
00023    #define F77_UL &UL
00024    #define F77_SD &SD
00025    #define F77_DI &DI
00026 #endif
00027 
00028 #ifdef F77_INT
00029    F77_INT F77_M=M, F77_N=N, F77_lda=lda, F77_ldb=ldb;
00030 #else
00031    #define F77_M M
00032    #define F77_N N
00033    #define F77_lda lda
00034    #define F77_ldb ldb
00035 #endif
00036 
00037    extern int CBLAS_CallFromC;
00038    extern int RowMajorStrg;
00039    RowMajorStrg = 0;
00040    CBLAS_CallFromC = 1;
00041 
00042    if( Order == CblasColMajor )
00043    {
00044 
00045       if( Side == CblasRight) SD='R';
00046       else if ( Side == CblasLeft ) SD='L';
00047       else 
00048       {
00049          cblas_xerbla(2, "cblas_ctrsm", "Illegal Side setting, %d\n", Side);
00050          CBLAS_CallFromC = 0;
00051          RowMajorStrg = 0;
00052          return;
00053       }
00054 
00055       if( Uplo == CblasUpper) UL='U';
00056       else if ( Uplo == CblasLower ) UL='L';
00057       else 
00058       {
00059          cblas_xerbla(3, "cblas_ctrsm", "Illegal Uplo setting, %d\n", Uplo);
00060          CBLAS_CallFromC = 0;
00061          RowMajorStrg = 0;
00062          return;
00063       }
00064 
00065       if( TransA == CblasTrans) TA ='T';
00066       else if ( TransA == CblasConjTrans ) TA='C';
00067       else if ( TransA == CblasNoTrans )   TA='N';
00068       else 
00069       {
00070          cblas_xerbla(4, "cblas_ctrsm", "Illegal Trans setting, %d\n", TransA);
00071          CBLAS_CallFromC = 0;
00072          RowMajorStrg = 0;
00073          return;
00074       }
00075 
00076       if( Diag == CblasUnit ) DI='U';
00077       else if ( Diag == CblasNonUnit ) DI='N';
00078       else 
00079       {
00080          cblas_xerbla(5, "cblas_ctrsm", "Illegal Diag setting, %d\n", Diag);
00081          CBLAS_CallFromC = 0;
00082          RowMajorStrg = 0;
00083          return;
00084       }
00085 
00086       #ifdef F77_CHAR
00087          F77_UL = C2F_CHAR(&UL);
00088          F77_TA = C2F_CHAR(&TA);
00089          F77_SD = C2F_CHAR(&SD);
00090          F77_DI = C2F_CHAR(&DI);
00091       #endif
00092 
00093       F77_ctrsm(F77_SD, F77_UL, F77_TA, F77_DI, &F77_M, &F77_N, alpha, A,
00094                 &F77_lda, B, &F77_ldb);
00095    } else if (Order == CblasRowMajor)
00096    {
00097       RowMajorStrg = 1;
00098 
00099       if( Side == CblasRight) SD='L';
00100       else if ( Side == CblasLeft ) SD='R';
00101       else 
00102       {
00103          cblas_xerbla(2, "cblas_ctrsm", "Illegal Side setting, %d\n", Side);
00104          CBLAS_CallFromC = 0;
00105          RowMajorStrg = 0;
00106          return;
00107       }
00108 
00109       if( Uplo == CblasUpper) UL='L';
00110       else if ( Uplo == CblasLower ) UL='U';
00111       else 
00112       {
00113          cblas_xerbla(3, "cblas_ctrsm", "Illegal Uplo setting, %d\n", Uplo);
00114          CBLAS_CallFromC = 0;
00115          RowMajorStrg = 0;
00116          return;
00117       }
00118 
00119       if( TransA == CblasTrans) TA ='T';
00120       else if ( TransA == CblasConjTrans ) TA='C';
00121       else if ( TransA == CblasNoTrans )   TA='N';
00122       else 
00123       {
00124          cblas_xerbla(4, "cblas_ctrsm", "Illegal Trans setting, %d\n", TransA);
00125          CBLAS_CallFromC = 0;
00126          RowMajorStrg = 0;
00127          return;
00128       }
00129 
00130       if( Diag == CblasUnit ) DI='U';
00131       else if ( Diag == CblasNonUnit ) DI='N';
00132       else 
00133       {
00134          cblas_xerbla(5, "cblas_ctrsm", "Illegal Diag setting, %d\n", Diag);
00135          CBLAS_CallFromC = 0;
00136          RowMajorStrg = 0;
00137          return;
00138       }
00139 
00140       #ifdef F77_CHAR
00141          F77_UL = C2F_CHAR(&UL);
00142          F77_TA = C2F_CHAR(&TA);
00143          F77_SD = C2F_CHAR(&SD);
00144          F77_DI = C2F_CHAR(&DI);
00145       #endif
00146 
00147 
00148       F77_ctrsm(F77_SD, F77_UL, F77_TA, F77_DI, &F77_N, &F77_M, alpha, A,
00149                 &F77_lda, B, &F77_ldb);
00150    } 
00151    else cblas_xerbla(1, "cblas_ctrsm", "Illegal Order setting, %d\n", Order);
00152    CBLAS_CallFromC = 0;
00153    RowMajorStrg = 0;
00154    return;
00155 }


swiftnav
Author(s):
autogenerated on Sat Jun 8 2019 18:55:15