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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 typename NumTraits<Scalar>::Real RealScalar;
     23 
     24   typedef Matrix<Scalar,Dynamic,Dynamic,ColMajor> MatrixColMaj;
     25   typedef Matrix<Scalar,Dynamic,Dynamic,RowMajor> MatrixRowMaj;
     26 
     27   DenseIndex othersize = internal::random<DenseIndex>(1,200);
     28 
     29   MatrixColMaj matc(size, size);
     30   MatrixRowMaj matr(size, size);
     31   MatrixColMaj ref1(size, size), ref2(size, size);
     32 
     33   MatrixColMaj soc(size,othersize); soc.setRandom();
     34   MatrixColMaj osc(othersize,size); osc.setRandom();
     35   MatrixRowMaj sor(size,othersize); sor.setRandom();
     36   MatrixRowMaj osr(othersize,size); osr.setRandom();
     37 
     38   Scalar s = internal::random<Scalar>();
     39 
     40   CHECK_MMTR(matc, Lower, = s*soc*sor.adjoint());
     41   CHECK_MMTR(matc, Upper, = s*(soc*soc.adjoint()));
     42   CHECK_MMTR(matr, Lower, = s*soc*soc.adjoint());
     43   CHECK_MMTR(matr, Upper, = soc*(s*sor.adjoint()));
     44 
     45   CHECK_MMTR(matc, Lower, += s*soc*soc.adjoint());
     46   CHECK_MMTR(matc, Upper, += s*(soc*sor.transpose()));
     47   CHECK_MMTR(matr, Lower, += s*sor*soc.adjoint());
     48   CHECK_MMTR(matr, Upper, += soc*(s*soc.adjoint()));
     49 
     50   CHECK_MMTR(matc, Lower, -= s*soc*soc.adjoint());
     51   CHECK_MMTR(matc, Upper, -= s*(osc.transpose()*osc.conjugate()));
     52   CHECK_MMTR(matr, Lower, -= s*soc*soc.adjoint());
     53   CHECK_MMTR(matr, Upper, -= soc*(s*soc.adjoint()));
     54 }
     55 
     56 void test_product_mmtr()
     57 {
     58   for(int i = 0; i < g_repeat ; i++)
     59   {
     60     CALL_SUBTEST_1((mmtr<float>(internal::random<int>(1,EIGEN_TEST_MAX_SIZE))));
     61     CALL_SUBTEST_2((mmtr<double>(internal::random<int>(1,EIGEN_TEST_MAX_SIZE))));
     62     CALL_SUBTEST_3((mmtr<std::complex<float> >(internal::random<int>(1,EIGEN_TEST_MAX_SIZE/2))));
     63     CALL_SUBTEST_4((mmtr<std::complex<double> >(internal::random<int>(1,EIGEN_TEST_MAX_SIZE/2))));
     64   }
     65 }
     66