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      1 // This file is part of Eigen, a lightweight C++ template library
      2 // for linear algebra.
      3 //
      4 // Copyright (C) 2010 Gael Guennebaud <gael.guennebaud (at) inria.fr>
      5 //
      6 // This Source Code Form is subject to the terms of the Mozilla
      7 // Public License v. 2.0. If a copy of the MPL was not distributed
      8 // with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
      9 
     10 #include "main.h"
     11 
     12 #define CHECK_MMTR(DEST, TRI, OP) {                   \
     13     ref2 = ref1 = DEST;                               \
     14     DEST.template triangularView<TRI>() OP;           \
     15     ref1 OP;                                          \
     16     ref2.template triangularView<TRI>() = ref1;       \
     17     VERIFY_IS_APPROX(DEST,ref2);                      \
     18   }
     19 
     20 template<typename Scalar> void mmtr(int size)
     21 {
     22   typedef Matrix<Scalar,Dynamic,Dynamic,ColMajor> MatrixColMaj;
     23   typedef Matrix<Scalar,Dynamic,Dynamic,RowMajor> MatrixRowMaj;
     24 
     25   DenseIndex othersize = internal::random<DenseIndex>(1,200);
     26 
     27   MatrixColMaj matc(size, size);
     28   MatrixRowMaj matr(size, size);
     29   MatrixColMaj ref1(size, size), ref2(size, size);
     30 
     31   MatrixColMaj soc(size,othersize); soc.setRandom();
     32   MatrixColMaj osc(othersize,size); osc.setRandom();
     33   MatrixRowMaj sor(size,othersize); sor.setRandom();
     34   MatrixRowMaj osr(othersize,size); osr.setRandom();
     35 
     36   Scalar s = internal::random<Scalar>();
     37 
     38   CHECK_MMTR(matc, Lower, = s*soc*sor.adjoint());
     39   CHECK_MMTR(matc, Upper, = s*(soc*soc.adjoint()));
     40   CHECK_MMTR(matr, Lower, = s*soc*soc.adjoint());
     41   CHECK_MMTR(matr, Upper, = soc*(s*sor.adjoint()));
     42 
     43   CHECK_MMTR(matc, Lower, += s*soc*soc.adjoint());
     44   CHECK_MMTR(matc, Upper, += s*(soc*sor.transpose()));
     45   CHECK_MMTR(matr, Lower, += s*sor*soc.adjoint());
     46   CHECK_MMTR(matr, Upper, += soc*(s*soc.adjoint()));
     47 
     48   CHECK_MMTR(matc, Lower, -= s*soc*soc.adjoint());
     49   CHECK_MMTR(matc, Upper, -= s*(osc.transpose()*osc.conjugate()));
     50   CHECK_MMTR(matr, Lower, -= s*soc*soc.adjoint());
     51   CHECK_MMTR(matr, Upper, -= soc*(s*soc.adjoint()));
     52 }
     53 
     54 void test_product_mmtr()
     55 {
     56   for(int i = 0; i < g_repeat ; i++)
     57   {
     58     CALL_SUBTEST_1((mmtr<float>(internal::random<int>(1,EIGEN_TEST_MAX_SIZE))));
     59     CALL_SUBTEST_2((mmtr<double>(internal::random<int>(1,EIGEN_TEST_MAX_SIZE))));
     60     CALL_SUBTEST_3((mmtr<std::complex<float> >(internal::random<int>(1,EIGEN_TEST_MAX_SIZE/2))));
     61     CALL_SUBTEST_4((mmtr<std::complex<double> >(internal::random<int>(1,EIGEN_TEST_MAX_SIZE/2))));
     62   }
     63 }
     64