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 extern "C" {
56 
57 void spotri_( char* uplo, int* n, float* A, int* lda, int* info );
58 void dpotri_( char* uplo, int* n, double* A, int* lda, int* info );
59 void cpotri_( char* uplo, int* n, float* A, int* lda, int* info );
60 void zpotri_( char* uplo, int* n, double* A, int* lda, int* info );
61 
62 }
64 //*************************************************************************************************
65 
66 
67 
68 
69 namespace blaze {
70 
71 //=================================================================================================
72 //
73 // LAPACK LLH-BASED INVERSION FUNCTIONS (POTRI)
74 //
75 //=================================================================================================
76 
77 //*************************************************************************************************
80 inline void potri( char uplo, int n, float* A, int lda, int* info );
81 
82 inline void potri( char uplo, int n, double* A, int lda, int* info );
83 
84 inline void potri( char uplo, int n, complex<float>* A, int lda, int* info );
85 
86 inline void potri( char uplo, int n, complex<double>* A, int lda, int* info );
88 //*************************************************************************************************
89 
90 
91 //*************************************************************************************************
122 inline void potri( char uplo, int n, float* A, int lda, int* info )
123 {
124  spotri_( &uplo, &n, A, &lda, info );
125 }
126 //*************************************************************************************************
127 
128 
129 //*************************************************************************************************
160 inline void potri( char uplo, int n, double* A, int lda, int* info )
161 {
162  dpotri_( &uplo, &n, A, &lda, info );
163 }
164 //*************************************************************************************************
165 
166 
167 //*************************************************************************************************
198 inline void potri( char uplo, int n, complex<float>* A, int lda, int* info )
199 {
200  BLAZE_STATIC_ASSERT( sizeof( complex<float> ) == 2UL*sizeof( float ) );
201 
202  cpotri_( &uplo, &n, reinterpret_cast<float*>( A ), &lda, info );
203 }
204 //*************************************************************************************************
205 
206 
207 //*************************************************************************************************
238 inline void potri( char uplo, int n, complex<double>* A, int lda, int* info )
239 {
240  BLAZE_STATIC_ASSERT( sizeof( complex<double> ) == 2UL*sizeof( double ) );
241 
242  zpotri_( &uplo, &n, reinterpret_cast<double*>( A ), &lda, info );
243 }
244 //*************************************************************************************************
245 
246 } // namespace blaze
247 
248 #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:122
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