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

    #include "cblas.h"
    #include "cblas_f77.h"
    void cblas_dsbmv(const enum CBLAS_ORDER order,
                     const enum CBLAS_UPLO Uplo, const int N, const int K,
                     const double alpha, const double  *A, const int lda,
                     const double  *X, const int incX, const double beta,
                     double  *Y, const int incY)
    {
       char UL;
    #ifdef F77_CHAR
       F77_CHAR F77_UL;
    #else
       #define F77_UL &UL
    #endif
    #ifdef F77_INT
       F77_INT F77_N=N, F77_K=K, F77_lda=lda, F77_incX=incX, F77_incY=incY;
    #else
       #define F77_N N
       #define F77_K K
       #define F77_lda lda
       #define F77_incX incX
       #define F77_incY incY
    #endif

       if (order == CblasColMajor)
       {
          if (Uplo == CblasUpper) UL = 'U';
          else if (Uplo == CblasLower) UL = 'L';
          else
          {
             cblas_xerbla(2, "cblas_dsbmv","Illegal Uplo setting, %d\n",Uplo );
             return;
          }
          #ifdef F77_CHAR
             F77_UL = C2F_CHAR(&UL);
          #endif
          F77_dsbmv(F77_UL, &F77_N, &F77_K, &alpha, A, &F77_lda, X,
                         &F77_incX, &beta, Y, &F77_incY);
       }
       else if (order == CblasRowMajor)
       {
          if (Uplo == CblasUpper) UL = 'L';
          else if (Uplo == CblasLower) UL = 'U';
          else
          {
             cblas_xerbla(2, "cblas_dsbmv","Illegal Uplo setting, %d\n", Uplo);
             return;
          }
          #ifdef F77_CHAR
             F77_UL = C2F_CHAR(&UL);
          #endif
          F77_dsbmv(F77_UL, &F77_N, &F77_K, &alpha,
                         A ,&F77_lda, X,&F77_incX, &beta, Y, &F77_incY);
       }
       else cblas_xerbla(1, "cblas_dsbmv", "Illegal Order setting, %d\n", order);
       return;
    }