35 #ifndef _BLAZE_MATH_LAPACK_GETRS_H_ 36 #define _BLAZE_MATH_LAPACK_GETRS_H_ 43 #include <boost/cast.hpp> 68 template<
typename MT,
bool SO,
typename VT,
bool TF >
69 inline void getrs(
const DenseMatrix<MT,SO>& A, DenseVector<VT,TF>& b,
char trans,
const int* ipiv );
71 template<
typename MT1,
bool SO1,
typename MT2,
bool SO2 >
72 inline void getrs(
const DenseMatrix<MT1,SO1>& A, DenseMatrix<MT2,SO2>& B,
73 char trans,
const int* ipiv );
163 template<
typename MT
169 using boost::numeric_cast;
184 if( trans !=
'N' && trans !=
'T' && trans !=
'C' ) {
188 int n ( numeric_cast<int>( (~A).
rows() ) );
190 int lda ( numeric_cast<int>( (~A).
spacing() ) );
191 int ldb ( numeric_cast<int>( (~b).
size() ) );
198 getrs( trans, n, nrhs, (~A).data(), lda, ipiv, (~b).data(), ldb, &info );
294 template<
typename MT1
299 char trans,
const int* ipiv )
301 using boost::numeric_cast;
316 if( trans !=
'N' && trans !=
'T' && trans !=
'C' ) {
320 int n ( numeric_cast<int>( (~A).
rows() ) );
321 int mrhs( numeric_cast<int>( SO2 ? (~B).
rows() : (~B).
columns() ) );
322 int nrhs( numeric_cast<int>( SO2 ? (~B).
columns() : (~B).
rows() ) );
323 int lda ( numeric_cast<int>( (~A).
spacing() ) );
324 int ldb ( numeric_cast<int>( (~B).
spacing() ) );
335 getrs( trans, n, nrhs, (~A).data(), lda, ipiv, (~B).data(), ldb, &info );
#define BLAZE_THROW_INVALID_ARGUMENT(MESSAGE)
Macro for the emission of a std::invalid_argument exception.This macro encapsulates the default way o...
Definition: Exception.h:235
Constraint on the data type.
BLAZE_ALWAYS_INLINE size_t spacing(const DenseMatrix< MT, SO > &dm) noexcept
Returns the spacing between the beginning of two rows/columns.
Definition: DenseMatrix.h:102
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
BLAZE_ALWAYS_INLINE size_t size(const Vector< VT, TF > &vector) noexcept
Returns the current size/dimension of the vector.
Definition: Vector.h:261
#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.
Constraint on the data type.
#define BLAZE_CONSTRAINT_MUST_NOT_BE_ADAPTOR_TYPE(T)
Constraint on the data type.In case the given data type T is an adaptor type (as for instance LowerMa...
Definition: Adaptor.h:81
Base class for dense matrices.The DenseMatrix class is a base class for all dense matrix classes...
Definition: DenseMatrix.h:71
Constraint on the data type.
Namespace of the Blaze C++ math library.
Definition: Blaze.h:57
Header file for the DenseMatrix base class.
typename T::ElementType ElementType_
Alias declaration for nested ElementType type definitions.The ElementType_ alias declaration provides...
Definition: Aliases.h:163
Base class for N-dimensional dense vectors.The DenseVector class is a base class for all arbitrarily ...
Definition: DenseVector.h:70
#define BLAZE_CONSTRAINT_MUST_BE_SAME_TYPE(A, B)
Data type constraint.In case the two types A and B are not the same (ignoring all cv-qualifiers of bo...
Definition: SameType.h:71
BLAZE_ALWAYS_INLINE size_t columns(const Matrix< MT, SO > &matrix) noexcept
Returns the current number of columns of the matrix.
Definition: Matrix.h:336
void getrs(char trans, int n, int nrhs, const float *A, int lda, const int *ipiv, float *B, int ldb, int *info)
LAPACK kernel for the substitution step of solving a general single precision linear system of equati...
Definition: getrs.h:134
Header file for the exception macros of the math module.
Constraint on the data type.
Header file for run time assertion macros.
Header file for the CLAPACK getrs wrapper functions.
#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:320
const DMatTransExpr< MT,!SO > trans(const DenseMatrix< MT, SO > &dm)
Calculation of the transpose of the given dense matrix.
Definition: DMatTransExpr.h:733
BLAZE_ALWAYS_INLINE bool isSquare(const Matrix< MT, SO > &matrix) noexcept
Checks if the given matrix is a square matrix.
Definition: Matrix.h:677
#define BLAZE_INTERNAL_ASSERT(expr, msg)
Run time assertion macro for internal checks.In case of an invalid run time expression, the program execution is terminated. The BLAZE_INTERNAL_ASSERT macro can be disabled by setting the BLAZE_USER_ASSERTION flag to zero or by defining NDEBUG during the compilation.
Definition: Assert.h:101