35 #ifndef _BLAZE_MATH_LAPACK_TRTRS_H_
36 #define _BLAZE_MATH_LAPACK_TRTRS_H_
43 #include <boost/cast.hpp>
70 void strtrs_(
char* uplo,
char*
trans,
char* diag,
int* n,
int* nrhs,
float* A,
int* lda,
float* B,
int* ldb,
int*
info );
71 void dtrtrs_(
char* uplo,
char*
trans,
char* diag,
int* n,
int* nrhs,
double* A,
int* lda,
double* B,
int* ldb,
int*
info );
72 void ctrtrs_(
char* uplo,
char*
trans,
char* diag,
int* n,
int* nrhs,
float* A,
int* lda,
float* B,
int* ldb,
int*
info );
73 void ztrtrs_(
char* uplo,
char*
trans,
char* diag,
int* n,
int* nrhs,
double* A,
int* lda,
double* B,
int* ldb,
int*
info );
91 inline void trtrs(
char uplo,
char trans,
char diag,
int n,
int nrhs,
const float* A,
92 int lda,
float* B,
int ldb,
int*
info );
94 inline void trtrs(
char uplo,
char trans,
char diag,
int n,
int nrhs,
const double* A,
95 int lda,
double* B,
int ldb,
int*
info );
97 inline void trtrs(
char uplo,
char trans,
char diag,
int n,
int nrhs,
const complex<float>* A,
98 int lda, complex<float>* B,
int ldb,
int*
info );
100 inline void trtrs(
char uplo,
char trans,
char diag,
int n,
int nrhs,
const complex<double>* A,
101 int lda, complex<double>* B,
int ldb,
int*
info );
103 template<
typename MT,
bool SO,
typename VT,
bool TF >
104 inline void trtrs(
const DenseMatrix<MT,SO>& A, DenseVector<VT,TF>& b,
105 char uplo,
char trans,
char diag );
107 template<
typename MT1,
bool SO1,
typename MT2,
bool SO2 >
108 inline void trtrs(
const DenseMatrix<MT1,SO1>& A, DenseMatrix<MT2,SO2>& B,
109 char uplo,
char trans,
char diag );
152 inline void trtrs(
char uplo,
char trans,
char diag,
int n,
int nrhs,
const float* A,
int lda,
153 float* B,
int ldb,
int*
info )
155 strtrs_( &uplo, &trans, &diag, &n, &nrhs, const_cast<float*>( A ), &lda, B, &ldb, info );
198 inline void trtrs(
char uplo,
char trans,
char diag,
int n,
int nrhs,
const double* A,
int lda,
199 double* B,
int ldb,
int*
info )
201 dtrtrs_( &uplo, &trans, &diag, &n, &nrhs, const_cast<double*>( A ), &lda, B, &ldb, info );
244 inline void trtrs(
char uplo,
char trans,
char diag,
int n,
int nrhs,
const complex<float>* A,
245 int lda, complex<float>* B,
int ldb,
int*
info )
249 ctrtrs_( &uplo, &trans, &diag, &n, &nrhs, const_cast<float*>( reinterpret_cast<const float*>( A ) ),
250 &lda, reinterpret_cast<float*>( B ), &ldb, info );
293 inline void trtrs(
char uplo,
char trans,
char diag,
int n,
int nrhs,
const complex<double>* A,
294 int lda, complex<double>* B,
int ldb,
int*
info )
298 ztrtrs_( &uplo, &trans, &diag, &n, &nrhs, const_cast<double*>( reinterpret_cast<const double*>( A ) ),
299 &lda, reinterpret_cast<double*>( B ), &ldb, info );
387 template<
typename MT
393 using boost::numeric_cast;
404 if( uplo !=
'L' && uplo !=
'U' ) {
408 if( trans !=
'N' && trans !=
'T' && trans !=
'C' ) {
412 if( diag !=
'U' && diag !=
'N' ) {
416 int n ( numeric_cast<int>( (~A).
rows() ) );
418 int lda ( numeric_cast<int>( (~A).
spacing() ) );
419 int ldb ( numeric_cast<int>( (~b).
size() ) );
427 ( uplo ==
'L' )?( uplo =
'U' ):( uplo =
'L' );
430 trtrs( uplo, trans, diag, n, nrhs, (~A).data(), lda, (~b).data(), ldb, &info );
525 template<
typename MT1
530 char uplo,
char trans,
char diag )
532 using boost::numeric_cast;
549 if( uplo !=
'L' && uplo !=
'U' ) {
553 if( trans !=
'N' && trans !=
'T' && trans !=
'C' ) {
557 if( diag !=
'U' && diag !=
'N' ) {
561 int n ( numeric_cast<int>( (~A).
rows() ) );
562 int mrhs( numeric_cast<int>( SO2 ? (~B).
rows() : (~B).
columns() ) );
563 int nrhs( numeric_cast<int>( SO2 ? (~B).
columns() : (~B).
rows() ) );
564 int lda ( numeric_cast<int>( (~A).
spacing() ) );
565 int ldb ( numeric_cast<int>( (~B).
spacing() ) );
577 ( uplo ==
'L' )?( uplo =
'U' ):( uplo =
'L' );
580 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 exceptionThis macro encapsulates the default way of...
Definition: Exception.h:187
Constraint on the data type.
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:79
BLAZE_ALWAYS_INLINE bool isSquare(const Matrix< MT, SO > &matrix)
Checks if the given matrix is a square matrix.
Definition: Matrix.h:603
BLAZE_ALWAYS_INLINE size_t size(const Vector< VT, TF > &vector)
Returns the current size/dimension of the vector.
Definition: Vector.h:252
#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:118
BLAZE_ALWAYS_INLINE size_t rows(const Matrix< MT, SO > &matrix)
Returns the current number of rows of the matrix.
Definition: Matrix.h:308
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:118
Base class for dense matrices.The DenseMatrix class is a base class for all dense matrix classes...
Definition: DenseMatrix.h:70
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:110
Header file for the DenseMatrix base class.
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:89
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:152
Type ElementType
Type of the sparse matrix elements.
Definition: CompressedMatrix.h:2586
Constraint on the data type.
Constraint on the data type.
const bool spacing
Adding an additional spacing line between two log messages.This setting gives the opportunity to add ...
Definition: Logging.h:70
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:79
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:944
BLAZE_ALWAYS_INLINE size_t columns(const Matrix< MT, SO > &matrix)
Returns the current number of columns of the matrix.
Definition: Matrix.h:324
Header file for the complex data type.
Header file for exception macros.
#define BLAZE_STATIC_ASSERT(expr)
Compile time assertion macro.In case of an invalid compile time expression, a compilation error is cr...
Definition: StaticAssert.h:143
#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