C++ (Cpp) F77_zsyr2k Examples

Example #1

File: cblas_zsyr2k.c Project: Rufflewind/cblas

void cblas_zsyr2k(const enum CBLAS_ORDER Order, const enum CBLAS_UPLO Uplo,
                  const enum CBLAS_TRANSPOSE Trans, const int N, const int K,
                  const void *alpha, const void  *A, const int lda,
                  const void  *B, const int ldb, const void *beta,
                  void  *C, const int ldc)
{
    char UL, TR;
#ifdef F77_CHAR
    F77_CHAR F77_TR, F77_UL;
#else
#define F77_TR &TR
#define F77_UL &UL
#endif

#ifdef F77_INT
    F77_INT F77_N=N, F77_K=K, F77_lda=lda, F77_ldb=ldb;
    F77_INT F77_ldc=ldc;
#else
#define F77_N N
#define F77_K K
#define F77_lda lda
#define F77_ldb ldb
#define F77_ldc ldc
#endif

    extern int CBLAS_CallFromC;
    extern int RowMajorStrg;
    RowMajorStrg = 0;
    CBLAS_CallFromC = 1;

    if( Order == CblasColMajor )
    {

        if( Uplo == CblasUpper) UL='U';
        else if ( Uplo == CblasLower ) UL='L';
        else
        {
            cblas_xerbla(2, "cblas_zsyr2k", "Illegal Uplo setting, %d\n", Uplo);
            CBLAS_CallFromC = 0;
            RowMajorStrg = 0;
            return;
        }

        if( Trans == CblasTrans) TR ='T';
        else if ( Trans == CblasConjTrans ) TR='C';
        else if ( Trans == CblasNoTrans )   TR='N';
        else
        {
            cblas_xerbla(3, "cblas_zsyr2k", "Illegal Trans setting, %d\n", Trans);
            CBLAS_CallFromC = 0;
            RowMajorStrg = 0;
            return;
        }


#ifdef F77_CHAR
        F77_UL = C2F_CHAR(&UL);
        F77_TR = C2F_CHAR(&TR);
#endif

        F77_zsyr2k(F77_UL, F77_TR, &F77_N, &F77_K, alpha, A, &F77_lda,
                   B, &F77_ldb, beta, C, &F77_ldc);
    } else if (Order == CblasRowMajor)
    {
        RowMajorStrg = 1;
        if( Uplo == CblasUpper) UL='L';
        else if ( Uplo == CblasLower ) UL='U';
        else
        {
            cblas_xerbla(3, "cblas_zsyr2k", "Illegal Uplo setting, %d\n", Uplo);
            CBLAS_CallFromC = 0;
            RowMajorStrg = 0;
            return;
        }
        if( Trans == CblasTrans) TR ='N';
        else if ( Trans == CblasConjTrans ) TR='N';
        else if ( Trans == CblasNoTrans )   TR='T';
        else
        {
            cblas_xerbla(3, "cblas_zsyr2k", "Illegal Trans setting, %d\n", Trans);
            CBLAS_CallFromC = 0;
            RowMajorStrg = 0;
            return;
        }

#ifdef F77_CHAR
        F77_UL = C2F_CHAR(&UL);
        F77_TR = C2F_CHAR(&TR);
#endif

        F77_zsyr2k(F77_UL, F77_TR, &F77_N, &F77_K, alpha, A, &F77_lda, B, &F77_ldb, beta, C, &F77_ldc);
    }
    else  cblas_xerbla(1, "cblas_zsyr2k", "Illegal Order setting, %d\n", Order);
    CBLAS_CallFromC = 0;
    RowMajorStrg = 0;
    return;
}

Example #2

File: bli_syr2.c Project: pgawron/tlash

void bli_zsyr2_blas( uplo_t uplo, int m, dcomplex* alpha, dcomplex* x, int incx, dcomplex* y, int incy, dcomplex* a, int lda )
{
	dcomplex* x_copy;
	dcomplex* y_copy;
	dcomplex  beta;
	int       k   = 1;
	int       ldx = m;
	int       ldy = m;

#ifdef BLIS_ENABLE_CBLAS_INTERFACES
	enum CBLAS_ORDER     cblas_order = CblasColMajor;
	enum CBLAS_UPLO      cblas_uplo;
	enum CBLAS_TRANSPOSE cblas_trans;

	bli_param_map_to_netlib_uplo( uplo, &cblas_uplo );
	bli_param_map_to_netlib_trans( BLIS_NO_TRANSPOSE, &cblas_trans );

	x_copy = bli_zallocv( m );
	y_copy = bli_zallocv( m );

	bli_zcopyv( BLIS_NO_CONJUGATE,
	            m,
	            x,      incx,
	            x_copy, 1 );

	bli_zcopyv( BLIS_NO_CONJUGATE,
	            m,
	            y,      incy,
	            y_copy, 1 );

	beta.real = 1.0;
	beta.imag = 0.0;

	cblas_zsyr2k( cblas_order,
	              cblas_uplo,
	              cblas_trans,
	              m,
	              k,
	              alpha,
	              x_copy, ldx,
	              y_copy, ldy,
	              &beta,
	              a,      lda );

	bli_zfree( x_copy );
	bli_zfree( y_copy );
#else
	char blas_uplo;
	char blas_trans;

	bli_param_map_to_netlib_uplo( uplo, &blas_uplo );
	bli_param_map_to_netlib_trans( BLIS_NO_TRANSPOSE, &blas_trans );

	x_copy = bli_zallocv( m );
	y_copy = bli_zallocv( m );

	bli_zcopyv( BLIS_NO_CONJUGATE,
	            m,
	            x,      incx,
	            x_copy, 1 );

	bli_zcopyv( BLIS_NO_CONJUGATE,
	            m,
	            y,      incy,
	            y_copy, 1 );

	beta.real = 1.0;
	beta.imag = 0.0;

	F77_zsyr2k ( &blas_uplo,
	             &blas_trans,
	             &m,
	             &k,
	             alpha,
	             x_copy, &ldx,
	             y_copy, &ldy,
	             &beta,
	             a,      &lda );

	bli_zfree( x_copy );
	bli_zfree( y_copy );
#endif
}