35 #ifndef _BLAZE_MATH_LAPACK_TRTRS_H_
36 #define _BLAZE_MATH_LAPACK_TRTRS_H_
43 #include <boost/cast.hpp>
69 template<
typename MT,
bool SO,
typename VT,
bool TF >
70 inline void trtrs(
const DenseMatrix<MT,SO>& A, DenseVector<VT,TF>& b,
71 char uplo,
char trans,
char diag );
73 template<
typename MT1,
bool SO1,
typename MT2,
bool SO2 >
74 inline void trtrs(
const DenseMatrix<MT1,SO1>& A, DenseMatrix<MT2,SO2>& B,
75 char uplo,
char trans,
char diag );
163 template<
typename MT
169 using boost::numeric_cast;
180 if( uplo !=
'L' && uplo !=
'U' ) {
184 if( trans !=
'N' && trans !=
'T' && trans !=
'C' ) {
188 if( diag !=
'U' && diag !=
'N' ) {
192 int n ( numeric_cast<int>( (~A).
rows() ) );
194 int lda ( numeric_cast<int>( (~A).
spacing() ) );
195 int ldb ( numeric_cast<int>( (~b).
size() ) );
203 ( uplo ==
'L' )?( uplo =
'U' ):( uplo =
'L' );
206 trtrs( uplo, trans, diag, n, nrhs, (~A).data(), lda, (~b).data(), ldb, &info );
301 template<
typename MT1
306 char uplo,
char trans,
char diag )
308 using boost::numeric_cast;
323 if( uplo !=
'L' && uplo !=
'U' ) {
327 if( trans !=
'N' && trans !=
'T' && trans !=
'C' ) {
331 if( diag !=
'U' && diag !=
'N' ) {
335 int n ( numeric_cast<int>( (~A).
rows() ) );
336 int mrhs( numeric_cast<int>( SO2 ? (~B).
rows() : (~B).
columns() ) );
337 int nrhs( numeric_cast<int>( SO2 ? (~B).
columns() : (~B).
rows() ) );
338 int lda ( numeric_cast<int>( (~A).
spacing() ) );
339 int ldb ( numeric_cast<int>( (~B).
spacing() ) );
351 ( uplo ==
'L' )?( uplo =
'U' ):( uplo =
'L' );
354 trtrs( uplo, trans, diag, n, nrhs, (~A).data(), lda, (~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.
Header file for auxiliary alias declarations.
Log level for high-level information.
Definition: LogLevel.h:80
#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:258
#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:70
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
Compile time check for row-major matrix types.This type trait tests whether or not the given template...
Definition: IsRowMajorMatrix.h:83
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:330
void trtrs(char uplo, char trans, char diag, int n, int nrhs, const float *A, int lda, float *B, int ldb, int *info)
LAPACK kernel for the substitution step of solving a triangular single precision linear system of equ...
Definition: trtrs.h:133
Header file for the exception macros of the math module.
Constraint on the data type.
Header file for run time assertion macros.
#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 IsRowMajorMatrix type trait.
const DMatTransExpr< MT,!SO > trans(const DenseMatrix< MT, SO > &dm)
Calculation of the transpose of the given dense matrix.
Definition: DMatTransExpr.h:950
BLAZE_ALWAYS_INLINE bool isSquare(const Matrix< MT, SO > &matrix) noexcept
Checks if the given matrix is a square matrix.
Definition: Matrix.h:609
Header file for the CLAPACK trtrs wrapper functions.
#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