# dlib C++ Library - cblas_ssbmv.c

    /*
     *
     * cblas_ssbmv.c
     * This program is a C interface to ssbmv.
     * Written by Keita Teranishi
     * 4/6/1998
     *
     */
    #include "cblas.h"
    #include "cblas_f77.h"
    void cblas_ssbmv(const enum CBLAS_ORDER order, const enum CBLAS_UPLO Uplo,
               const CBLAS_INT_TYPE N, const CBLAS_INT_TYPE K, 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 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_ssbmv","Illegal Uplo setting, %d\n",Uplo );
             return;
          }
          #ifdef F77_CHAR
             F77_UL = C2F_CHAR(&UL);
          #endif
          F77_ssbmv(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_ssbmv","Illegal Uplo setting, %d\n", Uplo);
             return;
          }
          #ifdef F77_CHAR
             F77_UL = C2F_CHAR(&UL);
          #endif
          F77_ssbmv(F77_UL, &F77_N, &F77_K, &alpha, A, &F77_lda, X,
          &F77_incX, &beta, Y, &F77_incY);
       }
       else cblas_xerbla(1, "cblas_ssbmv", "Illegal Order setting, %d\n", order);
       return;
    }