syevx.h
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1 //=================================================================================================
33 //=================================================================================================
34 
35 #ifndef _BLAZE_MATH_LAPACK_CLAPACK_SYEVX_H_
36 #define _BLAZE_MATH_LAPACK_CLAPACK_SYEVX_H_
37 
38 
39 //*************************************************************************************************
40 // Includes
41 //*************************************************************************************************
42 
43 #include <blaze/util/Complex.h>
45 
46 
47 //=================================================================================================
48 //
49 // LAPACK FORWARD DECLARATIONS
50 //
51 //=================================================================================================
52 
53 //*************************************************************************************************
55 #if !defined(INTEL_MKL_VERSION)
56 extern "C" {
57 
58 void ssyevx_( char* jobz, char* range, char* uplo, int* n, float* A, int* lda, float* vl, float* vu, int* il, int* iu, float* abstol, int* m, float* w, float* Z, int* ldz, float* work, int* lwork, int* iwork, int* ifail, int* info );
59 void dsyevx_( char* jobz, char* range, char* uplo, int* n, double* A, int* lda, double* vl, double* vu, int* il, int* iu, double* abstol, int* m, double* w, double* Z, int* ldz, double* work, int* lwork, int* iwork, int* ifail, int* info );
60 
61 }
62 #endif
63 
64 //*************************************************************************************************
65 
66 
67 
68 
69 namespace blaze {
70 
71 //=================================================================================================
72 //
73 // LAPACK SYMMETRIC MATRIX EIGENVALUE FUNCTIONS (SYEVX)
74 //
75 //=================================================================================================
76 
77 //*************************************************************************************************
80 inline void syevx( char jobz, char range, char uplo, int n, float* A, int lda,
81  float vl, float vu, int il, int iu, float abstol, int* m, float* w,
82  float* Z, int ldz, float* work, int lwork, int* iwork, int* ifail, int* info );
83 
84 inline void syevx( char jobz, char range, char uplo, int n, double* A, int lda,
85  double vl, double vu, int il, int iu, double abstol, int* m, double* w,
86  double* Z, int ldz, double* work, int lwork, int* iwork, int* ifail, int* info );
88 //*************************************************************************************************
89 
90 
91 //*************************************************************************************************
148 inline void syevx( char jobz, char range, char uplo, int n, float* A, int lda,
149  float vl, float vu, int il, int iu, float abstol, int* m, float* w,
150  float* Z, int ldz, float* work, int lwork, int* iwork, int* ifail, int* info )
151 {
152 #if defined(INTEL_MKL_VERSION)
153  BLAZE_STATIC_ASSERT( sizeof( MKL_INT ) == sizeof( int ) );
154 #endif
155 
156  ++il;
157  ++iu;
158 
159  ssyevx_( &jobz, &range, &uplo, &n, A, &lda, &vl, &vu, &il, &iu,
160  &abstol, m, w, Z, &ldz, work, &lwork, iwork, ifail, info );
161 }
162 //*************************************************************************************************
163 
164 
165 //*************************************************************************************************
222 inline void syevx( char jobz, char range, char uplo, int n, double* A, int lda,
223  double vl, double vu, int il, int iu, double abstol, int* m, double* w,
224  double* Z, int ldz, double* work, int lwork, int* iwork, int* ifail, int* info )
225 {
226 #if defined(INTEL_MKL_VERSION)
227  BLAZE_STATIC_ASSERT( sizeof( MKL_INT ) == sizeof( int ) );
228 #endif
229 
230  ++il;
231  ++iu;
232 
233  dsyevx_( &jobz, &range, &uplo, &n, A, &lda, &vl, &vu, &il, &iu,
234  &abstol, m, w, Z, &ldz, work, &lwork, iwork, ifail, info );
235 }
236 //*************************************************************************************************
237 
238 } // namespace blaze
239 
240 #endif
void syevx(char jobz, char range, char uplo, int n, float *A, int lda, float vl, float vu, int il, int iu, float abstol, int *m, float *w, float *Z, int ldz, float *work, int lwork, int *iwork, int *ifail, int *info)
LAPACK kernel for computing the eigenvalues of the given dense symmetric single precision column-majo...
Definition: syevx.h:148
Namespace of the Blaze C++ math library.
Definition: Blaze.h:58
Compile time assertion.
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