Eigne Matrix Class Library
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src/Eigenvalues/ComplexSchur_MKL.h@1:3b8049da21b8, 2019-09-24 (annotated)
- Committer:
- jsoh91
- Date:
- Tue Sep 24 00:18:23 2019 +0000
- Revision:
- 1:3b8049da21b8
- Parent:
- 0:13a5d365ba16
ignore and revise some of error parts
Who changed what in which revision?
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ykuroda | 0:13a5d365ba16 | 1 | /* |
ykuroda | 0:13a5d365ba16 | 2 | Copyright (c) 2011, Intel Corporation. All rights reserved. |
ykuroda | 0:13a5d365ba16 | 3 | |
ykuroda | 0:13a5d365ba16 | 4 | Redistribution and use in source and binary forms, with or without modification, |
ykuroda | 0:13a5d365ba16 | 5 | are permitted provided that the following conditions are met: |
ykuroda | 0:13a5d365ba16 | 6 | |
ykuroda | 0:13a5d365ba16 | 7 | * Redistributions of source code must retain the above copyright notice, this |
ykuroda | 0:13a5d365ba16 | 8 | list of conditions and the following disclaimer. |
ykuroda | 0:13a5d365ba16 | 9 | * Redistributions in binary form must reproduce the above copyright notice, |
ykuroda | 0:13a5d365ba16 | 10 | this list of conditions and the following disclaimer in the documentation |
ykuroda | 0:13a5d365ba16 | 11 | and/or other materials provided with the distribution. |
ykuroda | 0:13a5d365ba16 | 12 | * Neither the name of Intel Corporation nor the names of its contributors may |
ykuroda | 0:13a5d365ba16 | 13 | be used to endorse or promote products derived from this software without |
ykuroda | 0:13a5d365ba16 | 14 | specific prior written permission. |
ykuroda | 0:13a5d365ba16 | 15 | |
ykuroda | 0:13a5d365ba16 | 16 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
ykuroda | 0:13a5d365ba16 | 17 | ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
ykuroda | 0:13a5d365ba16 | 18 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
ykuroda | 0:13a5d365ba16 | 19 | DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR |
ykuroda | 0:13a5d365ba16 | 20 | ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
ykuroda | 0:13a5d365ba16 | 21 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
ykuroda | 0:13a5d365ba16 | 22 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
ykuroda | 0:13a5d365ba16 | 23 | ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
ykuroda | 0:13a5d365ba16 | 24 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
ykuroda | 0:13a5d365ba16 | 25 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
ykuroda | 0:13a5d365ba16 | 26 | |
ykuroda | 0:13a5d365ba16 | 27 | ******************************************************************************** |
ykuroda | 0:13a5d365ba16 | 28 | * Content : Eigen bindings to Intel(R) MKL |
ykuroda | 0:13a5d365ba16 | 29 | * Complex Schur needed to complex unsymmetrical eigenvalues/eigenvectors. |
ykuroda | 0:13a5d365ba16 | 30 | ******************************************************************************** |
ykuroda | 0:13a5d365ba16 | 31 | */ |
ykuroda | 0:13a5d365ba16 | 32 | |
ykuroda | 0:13a5d365ba16 | 33 | #ifndef EIGEN_COMPLEX_SCHUR_MKL_H |
ykuroda | 0:13a5d365ba16 | 34 | #define EIGEN_COMPLEX_SCHUR_MKL_H |
ykuroda | 0:13a5d365ba16 | 35 | |
ykuroda | 0:13a5d365ba16 | 36 | #include "Eigen/src/Core/util/MKL_support.h" |
ykuroda | 0:13a5d365ba16 | 37 | |
ykuroda | 0:13a5d365ba16 | 38 | namespace Eigen { |
ykuroda | 0:13a5d365ba16 | 39 | |
ykuroda | 0:13a5d365ba16 | 40 | /** \internal Specialization for the data types supported by MKL */ |
ykuroda | 0:13a5d365ba16 | 41 | |
ykuroda | 0:13a5d365ba16 | 42 | #define EIGEN_MKL_SCHUR_COMPLEX(EIGTYPE, MKLTYPE, MKLPREFIX, MKLPREFIX_U, EIGCOLROW, MKLCOLROW) \ |
ykuroda | 0:13a5d365ba16 | 43 | template<> inline \ |
ykuroda | 0:13a5d365ba16 | 44 | ComplexSchur<Matrix<EIGTYPE, Dynamic, Dynamic, EIGCOLROW> >& \ |
ykuroda | 0:13a5d365ba16 | 45 | ComplexSchur<Matrix<EIGTYPE, Dynamic, Dynamic, EIGCOLROW> >::compute(const Matrix<EIGTYPE, Dynamic, Dynamic, EIGCOLROW>& matrix, bool computeU) \ |
ykuroda | 0:13a5d365ba16 | 46 | { \ |
ykuroda | 0:13a5d365ba16 | 47 | typedef Matrix<EIGTYPE, Dynamic, Dynamic, EIGCOLROW> MatrixType; \ |
ykuroda | 0:13a5d365ba16 | 48 | typedef MatrixType::RealScalar RealScalar; \ |
ykuroda | 0:13a5d365ba16 | 49 | typedef std::complex<RealScalar> ComplexScalar; \ |
ykuroda | 0:13a5d365ba16 | 50 | \ |
ykuroda | 0:13a5d365ba16 | 51 | eigen_assert(matrix.cols() == matrix.rows()); \ |
ykuroda | 0:13a5d365ba16 | 52 | \ |
ykuroda | 0:13a5d365ba16 | 53 | m_matUisUptodate = false; \ |
ykuroda | 0:13a5d365ba16 | 54 | if(matrix.cols() == 1) \ |
ykuroda | 0:13a5d365ba16 | 55 | { \ |
ykuroda | 0:13a5d365ba16 | 56 | m_matT = matrix.cast<ComplexScalar>(); \ |
ykuroda | 0:13a5d365ba16 | 57 | if(computeU) m_matU = ComplexMatrixType::Identity(1,1); \ |
ykuroda | 0:13a5d365ba16 | 58 | m_info = Success; \ |
ykuroda | 0:13a5d365ba16 | 59 | m_isInitialized = true; \ |
ykuroda | 0:13a5d365ba16 | 60 | m_matUisUptodate = computeU; \ |
ykuroda | 0:13a5d365ba16 | 61 | return *this; \ |
ykuroda | 0:13a5d365ba16 | 62 | } \ |
ykuroda | 0:13a5d365ba16 | 63 | lapack_int n = matrix.cols(), sdim, info; \ |
ykuroda | 0:13a5d365ba16 | 64 | lapack_int lda = matrix.outerStride(); \ |
ykuroda | 0:13a5d365ba16 | 65 | lapack_int matrix_order = MKLCOLROW; \ |
ykuroda | 0:13a5d365ba16 | 66 | char jobvs, sort='N'; \ |
ykuroda | 0:13a5d365ba16 | 67 | LAPACK_##MKLPREFIX_U##_SELECT1 select = 0; \ |
ykuroda | 0:13a5d365ba16 | 68 | jobvs = (computeU) ? 'V' : 'N'; \ |
ykuroda | 0:13a5d365ba16 | 69 | m_matU.resize(n, n); \ |
ykuroda | 0:13a5d365ba16 | 70 | lapack_int ldvs = m_matU.outerStride(); \ |
ykuroda | 0:13a5d365ba16 | 71 | m_matT = matrix; \ |
ykuroda | 0:13a5d365ba16 | 72 | Matrix<EIGTYPE, Dynamic, Dynamic> w; \ |
ykuroda | 0:13a5d365ba16 | 73 | w.resize(n, 1);\ |
ykuroda | 0:13a5d365ba16 | 74 | info = LAPACKE_##MKLPREFIX##gees( matrix_order, jobvs, sort, select, n, (MKLTYPE*)m_matT.data(), lda, &sdim, (MKLTYPE*)w.data(), (MKLTYPE*)m_matU.data(), ldvs ); \ |
ykuroda | 0:13a5d365ba16 | 75 | if(info == 0) \ |
ykuroda | 0:13a5d365ba16 | 76 | m_info = Success; \ |
ykuroda | 0:13a5d365ba16 | 77 | else \ |
ykuroda | 0:13a5d365ba16 | 78 | m_info = NoConvergence; \ |
ykuroda | 0:13a5d365ba16 | 79 | \ |
ykuroda | 0:13a5d365ba16 | 80 | m_isInitialized = true; \ |
ykuroda | 0:13a5d365ba16 | 81 | m_matUisUptodate = computeU; \ |
ykuroda | 0:13a5d365ba16 | 82 | return *this; \ |
ykuroda | 0:13a5d365ba16 | 83 | \ |
ykuroda | 0:13a5d365ba16 | 84 | } |
ykuroda | 0:13a5d365ba16 | 85 | |
ykuroda | 0:13a5d365ba16 | 86 | EIGEN_MKL_SCHUR_COMPLEX(dcomplex, MKL_Complex16, z, Z, ColMajor, LAPACK_COL_MAJOR) |
ykuroda | 0:13a5d365ba16 | 87 | EIGEN_MKL_SCHUR_COMPLEX(scomplex, MKL_Complex8, c, C, ColMajor, LAPACK_COL_MAJOR) |
ykuroda | 0:13a5d365ba16 | 88 | EIGEN_MKL_SCHUR_COMPLEX(dcomplex, MKL_Complex16, z, Z, RowMajor, LAPACK_ROW_MAJOR) |
ykuroda | 0:13a5d365ba16 | 89 | EIGEN_MKL_SCHUR_COMPLEX(scomplex, MKL_Complex8, c, C, RowMajor, LAPACK_ROW_MAJOR) |
ykuroda | 0:13a5d365ba16 | 90 | |
ykuroda | 0:13a5d365ba16 | 91 | } // end namespace Eigen |
ykuroda | 0:13a5d365ba16 | 92 | |
ykuroda | 0:13a5d365ba16 | 93 | #endif // EIGEN_COMPLEX_SCHUR_MKL_H |