# dlib C++ Library - cblas_sgbmv.c

    /*
     *
     * cblas_sgbmv.c
     * This program is a C interface to sgbmv.
     * Written by Keita Teranishi
     * 4/6/1998
     *
     */

    #include "cblas.h"
    #include "cblas_f77.h"
    void cblas_sgbmv(const enum CBLAS_ORDER order,
                     const enum CBLAS_TRANSPOSE TransA, const CBLAS_INT_TYPE M, const CBLAS_INT_TYPE N,
                     const CBLAS_INT_TYPE KL, const CBLAS_INT_TYPE KU,
                     const float alpha, const float *A, const CBLAS_INT_TYPE lda,
                     const float  *X, const CBLAS_INT_TYPE incX, const float beta,
                     float  *Y, const CBLAS_INT_TYPE incY)
    {
       char TA;
    #ifdef F77_CHAR
       F77_CHAR F77_TA;
    #else
       #define F77_TA &TA
    #endif
    #ifdef F77_INT
       F77_INT F77_M=M, F77_N=N, F77_lda=lda, F77_incX=incX, F77_incY=incY;
       F77_INT F77_KL=KL,F77_KU=KU;
    #else
       #define F77_M M
       #define F77_N N
       #define F77_lda lda
       #define F77_KL KL
       #define F77_KU KU
       #define F77_incX incX
       #define F77_incY incY
    #endif

       if (order == CblasColMajor)
       {
          if (TransA == CblasNoTrans) TA = 'N';
          else if (TransA == CblasTrans) TA = 'T';
          else if (TransA == CblasConjTrans) TA = 'C';
          else
          {
             cblas_xerbla(2, "cblas_sgbmv","Illegal TransA setting, %d\n", TransA);
             return;
          }
          #ifdef F77_CHAR
             F77_TA = C2F_CHAR(&TA);
          #endif
          F77_sgbmv(F77_TA, &F77_M, &F77_N, &F77_KL, &F77_KU, &alpha,
                         A, &F77_lda, X, &F77_incX, &beta, Y, &F77_incY);
       }
       else if (order == CblasRowMajor)
       {
          if (TransA == CblasNoTrans) TA = 'T';
          else if (TransA == CblasTrans) TA = 'N';
          else if (TransA == CblasConjTrans) TA = 'N';
          else
          {
             cblas_xerbla(2, "cblas_sgbmv","Illegal TransA setting, %d\n", TransA);
             return;
          }
          #ifdef F77_CHAR
             F77_TA = C2F_CHAR(&TA);
          #endif
          F77_sgbmv(F77_TA, &F77_N, &F77_M, &F77_KU, &F77_KL, &alpha,
                         A ,&F77_lda, X, &F77_incX, &beta, Y, &F77_incY);
       }
       else cblas_xerbla(1, "cblas_sgbmv", "Illegal Order setting, %d\n", order);
       return;
    }