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Eigen  5.0.1-dev
SelfadjointMatrixMatrix_BLAS.h
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26 //
27  ********************************************************************************
28  * Content : Eigen bindings to BLAS F77
29  * Self adjoint matrix * matrix product functionality based on ?SYMM/?HEMM.
30  ********************************************************************************
31 */
32 
33 #ifndef EIGEN_SELFADJOINT_MATRIX_MATRIX_BLAS_H
34 #define EIGEN_SELFADJOINT_MATRIX_MATRIX_BLAS_H
35 
36 // IWYU pragma: private
37 #include "../InternalHeaderCheck.h"
38 
39 namespace Eigen {
40 
41 namespace internal {
42 
43 /* Optimized selfadjoint matrix * matrix (?SYMM/?HEMM) product */
44 
45 #define EIGEN_BLAS_SYMM_L(EIGTYPE, BLASTYPE, EIGPREFIX, BLASFUNC) \
46  template <typename Index, int LhsStorageOrder, bool ConjugateLhs, int RhsStorageOrder, bool ConjugateRhs> \
47  struct product_selfadjoint_matrix<EIGTYPE, Index, LhsStorageOrder, true, ConjugateLhs, RhsStorageOrder, false, \
48  ConjugateRhs, ColMajor, 1> { \
49  static void run(Index rows, Index cols, const EIGTYPE* _lhs, Index lhsStride, const EIGTYPE* _rhs, \
50  Index rhsStride, EIGTYPE* res, Index resIncr, Index resStride, EIGTYPE alpha, \
51  level3_blocking<EIGTYPE, EIGTYPE>& /*blocking*/) { \
52  if (rows == 0 || cols == 0) return; \
53  EIGEN_ONLY_USED_FOR_DEBUG(resIncr); \
54  eigen_assert(resIncr == 1); \
55  char side = 'L', uplo = 'L'; \
56  BlasIndex m, n, lda, ldb, ldc; \
57  const EIGTYPE *a, *b; \
58  EIGTYPE beta(1); \
59  MatrixX##EIGPREFIX b_tmp; \
60  \
61  /* Set transpose options */ \
62  /* Set m, n, k */ \
63  m = convert_index<BlasIndex>(rows); \
64  n = convert_index<BlasIndex>(cols); \
65  \
66  /* Set lda, ldb, ldc */ \
67  lda = convert_index<BlasIndex>(lhsStride); \
68  ldb = convert_index<BlasIndex>(rhsStride); \
69  ldc = convert_index<BlasIndex>(resStride); \
70  \
71  /* Set a, b, c */ \
72  if (LhsStorageOrder == RowMajor) uplo = 'U'; \
73  a = _lhs; \
74  \
75  if (RhsStorageOrder == RowMajor) { \
76  Map<const MatrixX##EIGPREFIX, 0, OuterStride<> > rhs(_rhs, n, m, OuterStride<>(rhsStride)); \
77  b_tmp = rhs.adjoint(); \
78  b = b_tmp.data(); \
79  ldb = convert_index<BlasIndex>(b_tmp.outerStride()); \
80  } else \
81  b = _rhs; \
82  \
83  BLASFUNC(&side, &uplo, &m, &n, (const BLASTYPE*)&numext::real_ref(alpha), (const BLASTYPE*)a, &lda, \
84  (const BLASTYPE*)b, &ldb, (const BLASTYPE*)&numext::real_ref(beta), (BLASTYPE*)res, &ldc); \
85  } \
86  };
87 
88 #define EIGEN_BLAS_HEMM_L(EIGTYPE, BLASTYPE, EIGPREFIX, BLASFUNC) \
89  template <typename Index, int LhsStorageOrder, bool ConjugateLhs, int RhsStorageOrder, bool ConjugateRhs> \
90  struct product_selfadjoint_matrix<EIGTYPE, Index, LhsStorageOrder, true, ConjugateLhs, RhsStorageOrder, false, \
91  ConjugateRhs, ColMajor, 1> { \
92  static void run(Index rows, Index cols, const EIGTYPE* _lhs, Index lhsStride, const EIGTYPE* _rhs, \
93  Index rhsStride, EIGTYPE* res, Index resIncr, Index resStride, EIGTYPE alpha, \
94  level3_blocking<EIGTYPE, EIGTYPE>& /*blocking*/) { \
95  if (rows == 0 || cols == 0) return; \
96  EIGEN_ONLY_USED_FOR_DEBUG(resIncr); \
97  eigen_assert(resIncr == 1); \
98  char side = 'L', uplo = 'L'; \
99  BlasIndex m, n, lda, ldb, ldc; \
100  const EIGTYPE *a, *b; \
101  EIGTYPE beta(1); \
102  MatrixX##EIGPREFIX b_tmp; \
103  Matrix<EIGTYPE, Dynamic, Dynamic, LhsStorageOrder> a_tmp; \
104  \
105  /* Set transpose options */ \
106  /* Set m, n, k */ \
107  m = convert_index<BlasIndex>(rows); \
108  n = convert_index<BlasIndex>(cols); \
109  \
110  /* Set lda, ldb, ldc */ \
111  lda = convert_index<BlasIndex>(lhsStride); \
112  ldb = convert_index<BlasIndex>(rhsStride); \
113  ldc = convert_index<BlasIndex>(resStride); \
114  \
115  /* Set a, b, c */ \
116  if (((LhsStorageOrder == ColMajor) && ConjugateLhs) || ((LhsStorageOrder == RowMajor) && (!ConjugateLhs))) { \
117  Map<const Matrix<EIGTYPE, Dynamic, Dynamic, LhsStorageOrder>, 0, OuterStride<> > lhs( \
118  _lhs, m, m, OuterStride<>(lhsStride)); \
119  a_tmp = lhs.conjugate(); \
120  a = a_tmp.data(); \
121  lda = convert_index<BlasIndex>(a_tmp.outerStride()); \
122  } else \
123  a = _lhs; \
124  if (LhsStorageOrder == RowMajor) uplo = 'U'; \
125  \
126  if (RhsStorageOrder == ColMajor && (!ConjugateRhs)) { \
127  b = _rhs; \
128  } else { \
129  if (RhsStorageOrder == ColMajor && ConjugateRhs) { \
130  Map<const MatrixX##EIGPREFIX, 0, OuterStride<> > rhs(_rhs, m, n, OuterStride<>(rhsStride)); \
131  b_tmp = rhs.conjugate(); \
132  } else if (ConjugateRhs) { \
133  Map<const MatrixX##EIGPREFIX, 0, OuterStride<> > rhs(_rhs, n, m, OuterStride<>(rhsStride)); \
134  b_tmp = rhs.adjoint(); \
135  } else { \
136  Map<const MatrixX##EIGPREFIX, 0, OuterStride<> > rhs(_rhs, n, m, OuterStride<>(rhsStride)); \
137  b_tmp = rhs.transpose(); \
138  } \
139  b = b_tmp.data(); \
140  ldb = convert_index<BlasIndex>(b_tmp.outerStride()); \
141  } \
142  \
143  BLASFUNC(&side, &uplo, &m, &n, (const BLASTYPE*)&numext::real_ref(alpha), (const BLASTYPE*)a, &lda, \
144  (const BLASTYPE*)b, &ldb, (const BLASTYPE*)&numext::real_ref(beta), (BLASTYPE*)res, &ldc); \
145  } \
146  };
147 
148 #ifdef EIGEN_USE_MKL
149 EIGEN_BLAS_SYMM_L(double, double, d, dsymm)
150 EIGEN_BLAS_SYMM_L(float, float, f, ssymm)
151 EIGEN_BLAS_HEMM_L(dcomplex, MKL_Complex16, cd, zhemm)
152 EIGEN_BLAS_HEMM_L(scomplex, MKL_Complex8, cf, chemm)
153 #else
154 EIGEN_BLAS_SYMM_L(double, double, d, dsymm_)
155 EIGEN_BLAS_SYMM_L(float, float, f, ssymm_)
156 EIGEN_BLAS_HEMM_L(dcomplex, double, cd, zhemm_)
157 EIGEN_BLAS_HEMM_L(scomplex, float, cf, chemm_)
158 #endif
159 
160 /* Optimized matrix * selfadjoint matrix (?SYMM/?HEMM) product */
161 
162 #define EIGEN_BLAS_SYMM_R(EIGTYPE, BLASTYPE, EIGPREFIX, BLASFUNC) \
163  template <typename Index, int LhsStorageOrder, bool ConjugateLhs, int RhsStorageOrder, bool ConjugateRhs> \
164  struct product_selfadjoint_matrix<EIGTYPE, Index, LhsStorageOrder, false, ConjugateLhs, RhsStorageOrder, true, \
165  ConjugateRhs, ColMajor, 1> { \
166  static void run(Index rows, Index cols, const EIGTYPE* _lhs, Index lhsStride, const EIGTYPE* _rhs, \
167  Index rhsStride, EIGTYPE* res, Index resIncr, Index resStride, EIGTYPE alpha, \
168  level3_blocking<EIGTYPE, EIGTYPE>& /*blocking*/) { \
169  if (rows == 0 || cols == 0) return; \
170  EIGEN_ONLY_USED_FOR_DEBUG(resIncr); \
171  eigen_assert(resIncr == 1); \
172  char side = 'R', uplo = 'L'; \
173  BlasIndex m, n, lda, ldb, ldc; \
174  const EIGTYPE *a, *b; \
175  EIGTYPE beta(1); \
176  MatrixX##EIGPREFIX b_tmp; \
177  \
178  /* Set m, n, k */ \
179  m = convert_index<BlasIndex>(rows); \
180  n = convert_index<BlasIndex>(cols); \
181  \
182  /* Set lda, ldb, ldc */ \
183  lda = convert_index<BlasIndex>(rhsStride); \
184  ldb = convert_index<BlasIndex>(lhsStride); \
185  ldc = convert_index<BlasIndex>(resStride); \
186  \
187  /* Set a, b, c */ \
188  if (RhsStorageOrder == RowMajor) uplo = 'U'; \
189  a = _rhs; \
190  \
191  if (LhsStorageOrder == RowMajor) { \
192  Map<const MatrixX##EIGPREFIX, 0, OuterStride<> > lhs(_lhs, n, m, OuterStride<>(rhsStride)); \
193  b_tmp = lhs.adjoint(); \
194  b = b_tmp.data(); \
195  ldb = convert_index<BlasIndex>(b_tmp.outerStride()); \
196  } else \
197  b = _lhs; \
198  \
199  BLASFUNC(&side, &uplo, &m, &n, (const BLASTYPE*)&numext::real_ref(alpha), (const BLASTYPE*)a, &lda, \
200  (const BLASTYPE*)b, &ldb, (const BLASTYPE*)&numext::real_ref(beta), (BLASTYPE*)res, &ldc); \
201  } \
202  };
203 
204 #define EIGEN_BLAS_HEMM_R(EIGTYPE, BLASTYPE, EIGPREFIX, BLASFUNC) \
205  template <typename Index, int LhsStorageOrder, bool ConjugateLhs, int RhsStorageOrder, bool ConjugateRhs> \
206  struct product_selfadjoint_matrix<EIGTYPE, Index, LhsStorageOrder, false, ConjugateLhs, RhsStorageOrder, true, \
207  ConjugateRhs, ColMajor, 1> { \
208  static void run(Index rows, Index cols, const EIGTYPE* _lhs, Index lhsStride, const EIGTYPE* _rhs, \
209  Index rhsStride, EIGTYPE* res, Index resIncr, Index resStride, EIGTYPE alpha, \
210  level3_blocking<EIGTYPE, EIGTYPE>& /*blocking*/) { \
211  EIGEN_ONLY_USED_FOR_DEBUG(resIncr); \
212  eigen_assert(resIncr == 1); \
213  char side = 'R', uplo = 'L'; \
214  BlasIndex m, n, lda, ldb, ldc; \
215  const EIGTYPE *a, *b; \
216  EIGTYPE beta(1); \
217  MatrixX##EIGPREFIX b_tmp; \
218  Matrix<EIGTYPE, Dynamic, Dynamic, RhsStorageOrder> a_tmp; \
219  \
220  /* Set m, n, k */ \
221  m = convert_index<BlasIndex>(rows); \
222  n = convert_index<BlasIndex>(cols); \
223  \
224  /* Set lda, ldb, ldc */ \
225  lda = convert_index<BlasIndex>(rhsStride); \
226  ldb = convert_index<BlasIndex>(lhsStride); \
227  ldc = convert_index<BlasIndex>(resStride); \
228  \
229  /* Set a, b, c */ \
230  if (((RhsStorageOrder == ColMajor) && ConjugateRhs) || ((RhsStorageOrder == RowMajor) && (!ConjugateRhs))) { \
231  Map<const Matrix<EIGTYPE, Dynamic, Dynamic, RhsStorageOrder>, 0, OuterStride<> > rhs( \
232  _rhs, n, n, OuterStride<>(rhsStride)); \
233  a_tmp = rhs.conjugate(); \
234  a = a_tmp.data(); \
235  lda = convert_index<BlasIndex>(a_tmp.outerStride()); \
236  } else \
237  a = _rhs; \
238  if (RhsStorageOrder == RowMajor) uplo = 'U'; \
239  \
240  if (LhsStorageOrder == ColMajor && (!ConjugateLhs)) { \
241  b = _lhs; \
242  } else { \
243  if (LhsStorageOrder == ColMajor && ConjugateLhs) { \
244  Map<const MatrixX##EIGPREFIX, 0, OuterStride<> > lhs(_lhs, m, n, OuterStride<>(lhsStride)); \
245  b_tmp = lhs.conjugate(); \
246  } else if (ConjugateLhs) { \
247  Map<const MatrixX##EIGPREFIX, 0, OuterStride<> > lhs(_lhs, n, m, OuterStride<>(lhsStride)); \
248  b_tmp = lhs.adjoint(); \
249  } else { \
250  Map<const MatrixX##EIGPREFIX, 0, OuterStride<> > lhs(_lhs, n, m, OuterStride<>(lhsStride)); \
251  b_tmp = lhs.transpose(); \
252  } \
253  b = b_tmp.data(); \
254  ldb = convert_index<BlasIndex>(b_tmp.outerStride()); \
255  } \
256  \
257  BLASFUNC(&side, &uplo, &m, &n, (const BLASTYPE*)&numext::real_ref(alpha), (const BLASTYPE*)a, &lda, \
258  (const BLASTYPE*)b, &ldb, (const BLASTYPE*)&numext::real_ref(beta), (BLASTYPE*)res, &ldc); \
259  } \
260  };
261 
262 #ifdef EIGEN_USE_MKL
263 EIGEN_BLAS_SYMM_R(double, double, d, dsymm)
264 EIGEN_BLAS_SYMM_R(float, float, f, ssymm)
265 EIGEN_BLAS_HEMM_R(dcomplex, MKL_Complex16, cd, zhemm)
266 EIGEN_BLAS_HEMM_R(scomplex, MKL_Complex8, cf, chemm)
267 #else
268 EIGEN_BLAS_SYMM_R(double, double, d, dsymm_)
269 EIGEN_BLAS_SYMM_R(float, float, f, ssymm_)
270 EIGEN_BLAS_HEMM_R(dcomplex, double, cd, zhemm_)
271 EIGEN_BLAS_HEMM_R(scomplex, float, cf, chemm_)
272 #endif
273 } // end namespace internal
274 
275 } // end namespace Eigen
276 
277 #endif // EIGEN_SELFADJOINT_MATRIX_MATRIX_BLAS_H
Eigen
Namespace containing all symbols from the Eigen library.
Definition: B01_Experimental.dox:1
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