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Diffstat (limited to 'extern/Eigen3/Eigen/src/Core/products/TriangularSolverMatrix_MKL.h')
-rw-r--r-- | extern/Eigen3/Eigen/src/Core/products/TriangularSolverMatrix_MKL.h | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/extern/Eigen3/Eigen/src/Core/products/TriangularSolverMatrix_MKL.h b/extern/Eigen3/Eigen/src/Core/products/TriangularSolverMatrix_MKL.h new file mode 100644 index 00000000000..a4f508b2e83 --- /dev/null +++ b/extern/Eigen3/Eigen/src/Core/products/TriangularSolverMatrix_MKL.h @@ -0,0 +1,155 @@ +/* + Copyright (c) 2011, Intel Corporation. All rights reserved. + + Redistribution and use in source and binary forms, with or without modification, + are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright notice, this + list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + * Neither the name of Intel Corporation nor the names of its contributors may + be used to endorse or promote products derived from this software without + specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND + ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR + ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + + ******************************************************************************** + * Content : Eigen bindings to Intel(R) MKL + * Triangular matrix * matrix product functionality based on ?TRMM. + ******************************************************************************** +*/ + +#ifndef EIGEN_TRIANGULAR_SOLVER_MATRIX_MKL_H +#define EIGEN_TRIANGULAR_SOLVER_MATRIX_MKL_H + +namespace Eigen { + +namespace internal { + +// implements LeftSide op(triangular)^-1 * general +#define EIGEN_MKL_TRSM_L(EIGTYPE, MKLTYPE, MKLPREFIX) \ +template <typename Index, int Mode, bool Conjugate, int TriStorageOrder> \ +struct triangular_solve_matrix<EIGTYPE,Index,OnTheLeft,Mode,Conjugate,TriStorageOrder,ColMajor> \ +{ \ + enum { \ + IsLower = (Mode&Lower) == Lower, \ + IsUnitDiag = (Mode&UnitDiag) ? 1 : 0, \ + IsZeroDiag = (Mode&ZeroDiag) ? 1 : 0, \ + conjA = ((TriStorageOrder==ColMajor) && Conjugate) ? 1 : 0 \ + }; \ + static EIGEN_DONT_INLINE void run( \ + Index size, Index otherSize, \ + const EIGTYPE* _tri, Index triStride, \ + EIGTYPE* _other, Index otherStride, level3_blocking<EIGTYPE,EIGTYPE>& /*blocking*/) \ + { \ + MKL_INT m = size, n = otherSize, lda, ldb; \ + char side = 'L', uplo, diag='N', transa; \ + /* Set alpha_ */ \ + MKLTYPE alpha; \ + EIGTYPE myone(1); \ + assign_scalar_eig2mkl(alpha, myone); \ + ldb = otherStride;\ +\ + const EIGTYPE *a; \ +/* Set trans */ \ + transa = (TriStorageOrder==RowMajor) ? ((Conjugate) ? 'C' : 'T') : 'N'; \ +/* Set uplo */ \ + uplo = IsLower ? 'L' : 'U'; \ + if (TriStorageOrder==RowMajor) uplo = (uplo == 'L') ? 'U' : 'L'; \ +/* Set a, lda */ \ + typedef Matrix<EIGTYPE, Dynamic, Dynamic, TriStorageOrder> MatrixTri; \ + Map<const MatrixTri, 0, OuterStride<> > tri(_tri,size,size,OuterStride<>(triStride)); \ + MatrixTri a_tmp; \ +\ + if (conjA) { \ + a_tmp = tri.conjugate(); \ + a = a_tmp.data(); \ + lda = a_tmp.outerStride(); \ + } else { \ + a = _tri; \ + lda = triStride; \ + } \ + if (IsUnitDiag) diag='U'; \ +/* call ?trsm*/ \ + MKLPREFIX##trsm(&side, &uplo, &transa, &diag, &m, &n, &alpha, (const MKLTYPE*)a, &lda, (MKLTYPE*)_other, &ldb); \ + } \ +}; + +EIGEN_MKL_TRSM_L(double, double, d) +EIGEN_MKL_TRSM_L(dcomplex, MKL_Complex16, z) +EIGEN_MKL_TRSM_L(float, float, s) +EIGEN_MKL_TRSM_L(scomplex, MKL_Complex8, c) + + +// implements RightSide general * op(triangular)^-1 +#define EIGEN_MKL_TRSM_R(EIGTYPE, MKLTYPE, MKLPREFIX) \ +template <typename Index, int Mode, bool Conjugate, int TriStorageOrder> \ +struct triangular_solve_matrix<EIGTYPE,Index,OnTheRight,Mode,Conjugate,TriStorageOrder,ColMajor> \ +{ \ + enum { \ + IsLower = (Mode&Lower) == Lower, \ + IsUnitDiag = (Mode&UnitDiag) ? 1 : 0, \ + IsZeroDiag = (Mode&ZeroDiag) ? 1 : 0, \ + conjA = ((TriStorageOrder==ColMajor) && Conjugate) ? 1 : 0 \ + }; \ + static EIGEN_DONT_INLINE void run( \ + Index size, Index otherSize, \ + const EIGTYPE* _tri, Index triStride, \ + EIGTYPE* _other, Index otherStride, level3_blocking<EIGTYPE,EIGTYPE>& /*blocking*/) \ + { \ + MKL_INT m = otherSize, n = size, lda, ldb; \ + char side = 'R', uplo, diag='N', transa; \ + /* Set alpha_ */ \ + MKLTYPE alpha; \ + EIGTYPE myone(1); \ + assign_scalar_eig2mkl(alpha, myone); \ + ldb = otherStride;\ +\ + const EIGTYPE *a; \ +/* Set trans */ \ + transa = (TriStorageOrder==RowMajor) ? ((Conjugate) ? 'C' : 'T') : 'N'; \ +/* Set uplo */ \ + uplo = IsLower ? 'L' : 'U'; \ + if (TriStorageOrder==RowMajor) uplo = (uplo == 'L') ? 'U' : 'L'; \ +/* Set a, lda */ \ + typedef Matrix<EIGTYPE, Dynamic, Dynamic, TriStorageOrder> MatrixTri; \ + Map<const MatrixTri, 0, OuterStride<> > tri(_tri,size,size,OuterStride<>(triStride)); \ + MatrixTri a_tmp; \ +\ + if (conjA) { \ + a_tmp = tri.conjugate(); \ + a = a_tmp.data(); \ + lda = a_tmp.outerStride(); \ + } else { \ + a = _tri; \ + lda = triStride; \ + } \ + if (IsUnitDiag) diag='U'; \ +/* call ?trsm*/ \ + MKLPREFIX##trsm(&side, &uplo, &transa, &diag, &m, &n, &alpha, (const MKLTYPE*)a, &lda, (MKLTYPE*)_other, &ldb); \ + /*std::cout << "TRMS_L specialization!\n";*/ \ + } \ +}; + +EIGEN_MKL_TRSM_R(double, double, d) +EIGEN_MKL_TRSM_R(dcomplex, MKL_Complex16, z) +EIGEN_MKL_TRSM_R(float, float, s) +EIGEN_MKL_TRSM_R(scomplex, MKL_Complex8, c) + + +} // end namespace internal + +} // end namespace Eigen + +#endif // EIGEN_TRIANGULAR_SOLVER_MATRIX_MKL_H |