35 #ifndef _BLAZE_MATH_LAPACK_GETRS_H_
36 #define _BLAZE_MATH_LAPACK_GETRS_H_
43 #include <boost/cast.hpp>
70 void sgetrs_(
char*
trans,
int* n,
int* nrhs,
float* A,
int* lda,
int* ipiv,
float* B,
int* ldb,
int*
info );
71 void dgetrs_(
char*
trans,
int* n,
int* nrhs,
double* A,
int* lda,
int* ipiv,
double* B,
int* ldb,
int*
info );
72 void cgetrs_(
char*
trans,
int* n,
int* nrhs,
float* A,
int* lda,
int* ipiv,
float* B,
int* ldb,
int*
info );
73 void zgetrs_(
char*
trans,
int* n,
int* nrhs,
double* A,
int* lda,
int* ipiv,
double* B,
int* ldb,
int*
info );
91 inline void getrs(
char trans,
int n,
int nrhs,
const float* A,
int lda,
const int* ipiv,
92 float* B,
int ldb,
int*
info );
94 inline void getrs(
char trans,
int n,
int nrhs,
const double* A,
int lda,
const int* ipiv,
95 double* B,
int ldb,
int*
info );
97 inline void getrs(
char trans,
int n,
int nrhs,
const complex<float>* A,
int lda,
98 const int* ipiv, complex<float>* B,
int ldb,
int*
info );
100 inline void getrs(
char trans,
int n,
int nrhs,
const complex<double>* A,
int lda,
101 const int* ipiv, complex<double>* B,
int ldb,
int*
info );
103 template<
typename MT,
bool SO,
typename VT,
bool TF >
104 inline void getrs(
const DenseMatrix<MT,SO>& A, DenseVector<VT,TF>& b,
char trans,
const int* ipiv );
106 template<
typename MT1,
bool SO1,
typename MT2,
bool SO2 >
107 inline void getrs(
const DenseMatrix<MT1,SO1>& A, DenseMatrix<MT2,SO2>& B,
108 char trans,
const int* ipiv );
151 inline void getrs(
char trans,
int n,
int nrhs,
const float* A,
int lda,
152 const int* ipiv,
float* B,
int ldb,
int*
info )
154 sgetrs_( &trans, &n, &nrhs, const_cast<float*>( A ), &lda,
155 const_cast<int*>( ipiv ), B, &ldb, info );
198 inline void getrs(
char trans,
int n,
int nrhs,
const double* A,
int lda,
199 const int* ipiv,
double* B,
int ldb,
int*
info )
201 dgetrs_( &trans, &n, &nrhs, const_cast<double*>( A ), &lda,
202 const_cast<int*>( ipiv ), B, &ldb, info );
245 inline void getrs(
char trans,
int n,
int nrhs,
const complex<float>* A,
int lda,
246 const int* ipiv, complex<float>* B,
int ldb,
int*
info )
250 cgetrs_( &trans, &n, &nrhs, const_cast<float*>( reinterpret_cast<const float*>( A ) ),
251 &lda, const_cast<int*>( ipiv ), reinterpret_cast<float*>( B ), &ldb, info );
294 inline void getrs(
char trans,
int n,
int nrhs,
const complex<double>* A,
int lda,
295 const int* ipiv, complex<double>* B,
int ldb,
int*
info )
299 zgetrs_( &trans, &n, &nrhs, const_cast<double*>( reinterpret_cast<const double*>( A ) ),
300 &lda, const_cast<int*>( ipiv ), reinterpret_cast<double*>( B ), &ldb, info );
388 template<
typename MT
394 using boost::numeric_cast;
405 if( trans !=
'N' && trans !=
'T' && trans !=
'C' ) {
409 int n ( numeric_cast<int>( (~A).
rows() ) );
411 int lda ( numeric_cast<int>( (~A).
spacing() ) );
412 int ldb ( numeric_cast<int>( (~b).
size() ) );
419 getrs( trans, n, nrhs, (~A).data(), lda, ipiv, (~b).data(), ldb, &info );
514 template<
typename MT1
519 char trans,
const int* ipiv )
521 using boost::numeric_cast;
538 if( trans !=
'N' && trans !=
'T' && trans !=
'C' ) {
542 int n ( numeric_cast<int>( (~A).
rows() ) );
543 int mrhs( numeric_cast<int>( SO2 ? (~B).
rows() : (~B).
columns() ) );
544 int nrhs( numeric_cast<int>( SO2 ? (~B).
columns() : (~B).
rows() ) );
545 int lda ( numeric_cast<int>( (~A).
spacing() ) );
546 int ldb ( numeric_cast<int>( (~B).
spacing() ) );
557 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 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
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 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:151
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