potri.h
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1 //=================================================================================================
33 //=================================================================================================
34 
35 #ifndef _BLAZE_MATH_LAPACK_CLAPACK_POTRI_H_
36 #define _BLAZE_MATH_LAPACK_CLAPACK_POTRI_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 spotri_( char* uplo, int* n, float* A, int* lda, int* info );
59 void dpotri_( char* uplo, int* n, double* A, int* lda, int* info );
60 void cpotri_( char* uplo, int* n, float* A, int* lda, int* info );
61 void zpotri_( char* uplo, int* n, double* A, int* lda, int* info );
62 
63 }
64 #endif
65 
66 //*************************************************************************************************
67 
68 
69 
70 
71 namespace blaze {
72 
73 //=================================================================================================
74 //
75 // LAPACK LLH-BASED INVERSION FUNCTIONS (POTRI)
76 //
77 //=================================================================================================
78 
79 //*************************************************************************************************
82 inline void potri( char uplo, int n, float* A, int lda, int* info );
83 
84 inline void potri( char uplo, int n, double* A, int lda, int* info );
85 
86 inline void potri( char uplo, int n, complex<float>* A, int lda, int* info );
87 
88 inline void potri( char uplo, int n, complex<double>* A, int lda, int* info );
90 //*************************************************************************************************
91 
92 
93 //*************************************************************************************************
124 inline void potri( char uplo, int n, float* A, int lda, int* info )
125 {
126 #if defined(INTEL_MKL_VERSION)
127  BLAZE_STATIC_ASSERT( sizeof( MKL_INT ) == sizeof( int ) );
128 #endif
129 
130  spotri_( &uplo, &n, A, &lda, info );
131 }
132 //*************************************************************************************************
133 
134 
135 //*************************************************************************************************
166 inline void potri( char uplo, int n, double* A, int lda, int* info )
167 {
168 #if defined(INTEL_MKL_VERSION)
169  BLAZE_STATIC_ASSERT( sizeof( MKL_INT ) == sizeof( int ) );
170 #endif
171 
172  dpotri_( &uplo, &n, A, &lda, info );
173 }
174 //*************************************************************************************************
175 
176 
177 //*************************************************************************************************
208 inline void potri( char uplo, int n, complex<float>* A, int lda, int* info )
209 {
210  BLAZE_STATIC_ASSERT( sizeof( complex<float> ) == 2UL*sizeof( float ) );
211 
212 #if defined(INTEL_MKL_VERSION)
213  BLAZE_STATIC_ASSERT( sizeof( MKL_INT ) == sizeof( int ) );
214  using ET = MKL_Complex8;
215 #else
216  using ET = float;
217 #endif
218 
219  cpotri_( &uplo, &n, reinterpret_cast<ET*>( A ), &lda, info );
220 }
221 //*************************************************************************************************
222 
223 
224 //*************************************************************************************************
255 inline void potri( char uplo, int n, complex<double>* A, int lda, int* info )
256 {
257  BLAZE_STATIC_ASSERT( sizeof( complex<double> ) == 2UL*sizeof( double ) );
258 
259 #if defined(INTEL_MKL_VERSION)
260  BLAZE_STATIC_ASSERT( sizeof( MKL_INT ) == sizeof( int ) );
261  using ET = MKL_Complex16;
262 #else
263  using ET = double;
264 #endif
265 
266  zpotri_( &uplo, &n, reinterpret_cast<ET*>( A ), &lda, info );
267 }
268 //*************************************************************************************************
269 
270 } // namespace blaze
271 
272 #endif
void potri(char uplo, int n, float *A, int lda, int *info)
LAPACK kernel for the inversion of the given dense positive definite single precision column-major sq...
Definition: potri.h:124
Namespace of the Blaze C++ math library.
Definition: Blaze.h:57
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