Blaze  3.6
geev.h
Go to the documentation of this file.
1 //=================================================================================================
33 //=================================================================================================
34 
35 #ifndef _BLAZE_MATH_LAPACK_CLAPACK_GEEV_H_
36 #define _BLAZE_MATH_LAPACK_CLAPACK_GEEV_H_
37 
38 
39 //*************************************************************************************************
40 // Includes
41 //*************************************************************************************************
42 
43 #include <blaze/util/Complex.h>
45 #include <blaze/util/Types.h>
46 
47 
48 //=================================================================================================
49 //
50 // LAPACK FORWARD DECLARATIONS
51 //
52 //=================================================================================================
53 
54 //*************************************************************************************************
56 #if !defined(INTEL_MKL_VERSION)
57 extern "C" {
58 
59 void sgeev_( char* jobvl, char* jobvr, int* n, float* A, int* lda, float* wr, float* wi,
60  float* VL, int* ldvl, float* VR, int* ldvr, float* work, int* lwork, int* info,
62 void dgeev_( char* jobvl, char* jobvr, int* n, double* A, int* lda, double* wr, double* wi,
63  double* VL, int* ldvl, double* VR, int* ldvr, double* work, int* lwork, int* info,
65 void cgeev_( char* jobvl, char* jobvr, int* n, float* A, int* lda, float* w, float* VL,
66  int* ldvl, float* VR, int* ldvr, float* work, int* lwork, float* rwork,
67  int* info, blaze::fortran_charlen_t njobvl, blaze::fortran_charlen_t njobvr );
68 void zgeev_( char* jobvl, char* jobvr, int* n, double* A, int* lda, double* w, double* VL,
69  int* ldvl, double* VR, int* ldvr, double* work, int* lwork, double* rwork,
70  int* info, blaze::fortran_charlen_t njobvl, blaze::fortran_charlen_t njobvr );
71 
72 }
73 #endif
74 
75 //*************************************************************************************************
76 
77 
78 
79 
80 namespace blaze {
81 
82 //=================================================================================================
83 //
84 // LAPACK GENERAL MATRIX EIGENVALUE FUNCTIONS (GEEV)
85 //
86 //=================================================================================================
87 
88 //*************************************************************************************************
91 void geev( char jobvl, char jobvr, int n, float* A, int lda,
92  float* wr, float* wi, float* VL, int ldvl, float* VR, int ldvr,
93  float* work, int lwork, int* info );
94 
95 void geev( char jobvl, char jobvr, int n, double* A, int lda,
96  double* wr, double* wi, double* VL, int ldvl, double* VR, int ldvr,
97  double* work, int lwork, int* info );
98 
99 void geev( char jobvl, char jobvr, int n, complex<float>* A, int lda,
100  complex<float>* w, complex<float>* VL, int ldvl, complex<float>* VR, int ldvr,
101  complex<float>* work, int lwork, float* rwork, int* info );
102 
103 void geev( char jobvl, char jobvr, int n, complex<double>* A, int lda,
104  complex<double>* w, complex<double>* VL, int ldvl, complex<double>* VR, int ldvr,
105  complex<double>* work, int lwork, double* rwork, int* info );
107 //*************************************************************************************************
108 
109 
110 //*************************************************************************************************
172 inline void geev( char jobvl, char jobvr, int n, float* A, int lda,
173  float* wr, float* wi, float* VL, int ldvl, float* VR, int ldvr,
174  float* work, int lwork, int* info )
175 {
176 #if defined(INTEL_MKL_VERSION)
177  BLAZE_STATIC_ASSERT( sizeof( MKL_INT ) == sizeof( int ) );
178 #endif
179 
180  sgeev_( &jobvl, &jobvr, &n, A, &lda, wr, wi, VL, &ldvl, VR, &ldvr, work, &lwork, info,
182 }
183 //*************************************************************************************************
184 
185 
186 //*************************************************************************************************
248 inline void geev( char jobvl, char jobvr, int n, double* A, int lda,
249  double* wr, double* wi, double* VL, int ldvl, double* VR, int ldvr,
250  double* work, int lwork, int* info )
251 {
252 #if defined(INTEL_MKL_VERSION)
253  BLAZE_STATIC_ASSERT( sizeof( MKL_INT ) == sizeof( int ) );
254 #endif
255 
256  dgeev_( &jobvl, &jobvr, &n, A, &lda, wr, wi, VL, &ldvl, VR, &ldvr, work, &lwork, info,
258 }
259 //*************************************************************************************************
260 
261 
262 //*************************************************************************************************
324 inline void geev( char jobvl, char jobvr, int n, complex<float>* A, int lda,
325  complex<float>* w, complex<float>* VL, int ldvl, complex<float>* VR, int ldvr,
326  complex<float>* work, int lwork, float* rwork, int* info )
327 {
328  BLAZE_STATIC_ASSERT( sizeof( complex<float> ) == 2UL*sizeof( float ) );
329 
330 #if defined(INTEL_MKL_VERSION)
331  BLAZE_STATIC_ASSERT( sizeof( MKL_INT ) == sizeof( int ) );
332  using ET = MKL_Complex8;
333 #else
334  using ET = float;
335 #endif
336 
337  cgeev_( &jobvl, &jobvr, &n, reinterpret_cast<ET*>( A ), &lda, reinterpret_cast<ET*>( w ),
338  reinterpret_cast<ET*>( VL ), &ldvl, reinterpret_cast<ET*>( VR ), &ldvr,
339  reinterpret_cast<ET*>( work ), &lwork, rwork, info,
341 }
342 //*************************************************************************************************
343 
344 
345 //*************************************************************************************************
407 inline void geev( char jobvl, char jobvr, int n, complex<double>* A, int lda,
408  complex<double>* w, complex<double>* VL, int ldvl, complex<double>* VR, int ldvr,
409  complex<double>* work, int lwork, double* rwork, int* info )
410 {
411  BLAZE_STATIC_ASSERT( sizeof( complex<double> ) == 2UL*sizeof( double ) );
412 
413 #if defined(INTEL_MKL_VERSION)
414  BLAZE_STATIC_ASSERT( sizeof( MKL_INT ) == sizeof( int ) );
415  using ET = MKL_Complex16;
416 #else
417  using ET = double;
418 #endif
419 
420  zgeev_( &jobvl, &jobvr, &n, reinterpret_cast<ET*>( A ), &lda, reinterpret_cast<ET*>( w ),
421  reinterpret_cast<ET*>( VL ), &ldvl, reinterpret_cast<ET*>( VR ), &ldvr,
422  reinterpret_cast<ET*>( work ), &lwork, rwork, info,
424 }
425 //*************************************************************************************************
426 
427 } // namespace blaze
428 
429 #endif
Header file for basic type definitions.
Namespace of the Blaze C++ math library.
Definition: Blaze.h:58
Compile time assertion.
void geev(char jobvl, char jobvr, int n, float *A, int lda, float *wr, float *wi, float *VL, int ldvl, float *VR, int ldvr, float *work, int lwork, int *info)
LAPACK kernel for computing the eigenvalues of the given dense general single precision column-major ...
Definition: geev.h:172
Header file for the complex data type.
#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:112
Size type of the Blaze library.