35 #ifndef _BLAZE_MATH_BLAS_GEMV_H_
36 #define _BLAZE_MATH_BLAS_GEMV_H_
43 #include <boost/cast.hpp>
71 float alpha,
const float* A,
int lda,
const float* x,
int incX,
72 float beta,
float* y,
int incY );
75 double alpha,
const double* A,
int lda,
const double* x,
int incX,
76 double beta,
double* y,
int incY );
79 complex<float> alpha,
const complex<float>* A,
int lda,
80 const complex<float>* x,
int incX, complex<float> beta,
81 complex<float>* y,
int incY );
84 complex<double> alpha,
const complex<double>* A,
int lda,
85 const complex<double>* x,
int incX, complex<double> beta,
86 complex<double>* y,
int incY );
88 template<
typename VT1,
typename MT1,
bool SO,
typename VT2,
typename ST >
90 const DenseVector<VT2,false>& x, ST alpha, ST beta );
92 template<
typename VT1,
typename VT2,
typename MT1,
bool SO,
typename ST >
94 const DenseMatrix<MT1,SO>& A, ST alpha, ST beta );
125 float alpha,
const float* A,
int lda,
const float* x,
int incX,
126 float beta,
float* y,
int incY )
128 cblas_sgemv( order, transA, m, n, alpha, A, lda, x, incX, beta, y, incY );
158 double alpha,
const double* A,
int lda,
const double* x,
int incX,
159 double beta,
double* y,
int incY )
161 cblas_dgemv( order, transA, m, n, alpha, A, lda, x, incX, beta, y, incY );
191 complex<float> alpha,
const complex<float>* A,
int lda,
192 const complex<float>* x,
int incX, complex<float> beta,
193 complex<float>* y,
int incY )
195 cblas_cgemv( order, transA, m, n, &alpha, A, lda, x, incX, &beta, y, incY );
225 complex<double> alpha,
const complex<double>* A,
int lda,
226 const complex<double>* x,
int incX, complex<double> beta,
227 complex<double>* y,
int incY )
229 cblas_zgemv( order, transA, m, n, &alpha, A, lda, x, incX, &beta, y, incY );
253 template<
typename VT1
259 const DenseVector<VT2,false>& x, ST alpha, ST beta )
261 using boost::numeric_cast;
275 const int m ( numeric_cast<int>( (~A).
rows() ) );
276 const int n ( numeric_cast<int>( (~A).
columns() ) );
277 const int lda( numeric_cast<int>( (~A).
spacing() ) );
279 gemv( ( SO )?( CblasColMajor ):( CblasRowMajor ), CblasNoTrans, m, n, alpha,
280 (~A).data(), lda, (~x).data(), 1, beta, (~y).data(), 1 );
304 template<
typename VT1
310 const DenseMatrix<MT1,SO>& A, ST alpha, ST beta )
312 using boost::numeric_cast;
326 const int m ( numeric_cast<int>( (~A).
rows() ) );
327 const int n ( numeric_cast<int>( (~A).
columns() ) );
328 const int lda( numeric_cast<int>( (~A).
spacing() ) );
330 gemv( ( SO )?( CblasColMajor ):( CblasRowMajor ), CblasTrans, m, n, alpha,
331 (~A).data(), lda, (~x).data(), 1, beta, (~y).data(), 1 );
Constraint on the data type.
Header file for auxiliary alias declarations.
#define BLAZE_CONSTRAINT_MUST_HAVE_MUTABLE_DATA_ACCESS(T)
Constraint on the data type.In case the given data type T does not provide low-level data access to m...
Definition: MutableDataAccess.h:61
#define BLAZE_CONSTRAINT_MUST_HAVE_CONST_DATA_ACCESS(T)
Constraint on the data type.In case the given data type T does not provide low-level data access to c...
Definition: ConstDataAccess.h:61
#define BLAZE_CONSTRAINT_MUST_NOT_BE_COMPUTATION_TYPE(T)
Constraint on the data type.In case the given data type T is a computational expression (i...
Definition: Computation.h:81
Header file for the DenseVector base class.
constexpr bool spacing
Adding an additional spacing line between two log messages.This setting gives the opportunity to add ...
Definition: Logging.h:70
Constraint on the data type.
Namespace of the Blaze C++ math library.
Definition: Blaze.h:57
#define BLAZE_ALWAYS_INLINE
Platform dependent setup of an enforced inline keyword.
Definition: Inline.h:85
Header file for the DenseMatrix base class.
BLAZE_ALWAYS_INLINE size_t columns(const Matrix< MT, SO > &matrix) noexcept
Returns the current number of columns of the matrix.
Definition: Matrix.h:330
Constraint on the data type.
System settings for the BLAS mode.
Header file for run time assertion macros.
Constraint on the data type.
#define BLAZE_CONSTRAINT_MUST_BE_BLAS_COMPATIBLE_TYPE(T)
Constraint on the data type.In case the given data type T is not a BLAS compatible data type (i...
Definition: BLASCompatible.h:61
BLAZE_ALWAYS_INLINE size_t rows(const Matrix< MT, SO > &matrix) noexcept
Returns the current number of rows of the matrix.
Definition: Matrix.h:314
Header file for the complex data type.
System settings for the inline keywords.