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authorGravatar Gael Guennebaud <g.gael@free.fr>2016-07-25 18:00:47 +0200
committerGravatar Gael Guennebaud <g.gael@free.fr>2016-07-25 18:00:47 +0200
commit0c06077efab47880db140793e33d684b8da49a49 (patch)
treee75ad029c732f7efb67b2cc966ce62012cb35fcd /Eigen/src/QR/HouseholderQR_LAPACKE.h
parent4d54e3dd332b7f07eccb428df2e1e3074abc3aeb (diff)
Rename MKL files
Diffstat (limited to 'Eigen/src/QR/HouseholderQR_LAPACKE.h')
-rw-r--r--Eigen/src/QR/HouseholderQR_LAPACKE.h70
1 files changed, 70 insertions, 0 deletions
diff --git a/Eigen/src/QR/HouseholderQR_LAPACKE.h b/Eigen/src/QR/HouseholderQR_LAPACKE.h
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+++ b/Eigen/src/QR/HouseholderQR_LAPACKE.h
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+/*
+ 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
+ * Householder QR decomposition of a matrix w/o pivoting based on
+ * LAPACKE_?geqrf function.
+ ********************************************************************************
+*/
+
+#ifndef EIGEN_QR_MKL_H
+#define EIGEN_QR_MKL_H
+
+#include "../Core/util/MKL_support.h"
+
+namespace Eigen {
+
+namespace internal {
+
+/** \internal Specialization for the data types supported by MKL */
+
+#define EIGEN_MKL_QR_NOPIV(EIGTYPE, MKLTYPE, MKLPREFIX) \
+template<typename MatrixQR, typename HCoeffs> \
+struct householder_qr_inplace_blocked<MatrixQR, HCoeffs, EIGTYPE, true> \
+{ \
+ static void run(MatrixQR& mat, HCoeffs& hCoeffs, Index = 32, \
+ typename MatrixQR::Scalar* = 0) \
+ { \
+ lapack_int m = (lapack_int) mat.rows(); \
+ lapack_int n = (lapack_int) mat.cols(); \
+ lapack_int lda = (lapack_int) mat.outerStride(); \
+ lapack_int matrix_order = (MatrixQR::IsRowMajor) ? LAPACK_ROW_MAJOR : LAPACK_COL_MAJOR; \
+ LAPACKE_##MKLPREFIX##geqrf( matrix_order, m, n, (MKLTYPE*)mat.data(), lda, (MKLTYPE*)hCoeffs.data()); \
+ hCoeffs.adjointInPlace(); \
+ } \
+};
+
+EIGEN_MKL_QR_NOPIV(double, double, d)
+EIGEN_MKL_QR_NOPIV(float, float, s)
+EIGEN_MKL_QR_NOPIV(dcomplex, lapack_complex_double, z)
+EIGEN_MKL_QR_NOPIV(scomplex, lapack_complex_float, c)
+
+} // end namespace internal
+
+} // end namespace Eigen
+
+#endif // EIGEN_QR_MKL_H