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Properly implement PartialReduxExpr on top of evaluators, and fix multiple evaluation of nested expression

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This commit is contained in:
Gael Guennebaud
2015-10-08 15:57:05 +02:00
parent 5cc7251188
commit aa6b1aebf3
3 changed files with 40 additions and 43 deletions
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20
test/vectorwiseop.cpp
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@@ -2,11 +2,13 @@
// for linear algebra.
//
// Copyright (C) 2011 Benoit Jacob <jacob.benoit.1@gmail.com>
// Copyright (C) 2015 Gael Guennebaud <gael.guennebaud@inria.fr>
//
// This Source Code Form is subject to the terms of the Mozilla
// Public License v. 2.0. If a copy of the MPL was not distributed
// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
#define TEST_ENABLE_TEMPORARY_TRACKING
#define EIGEN_NO_STATIC_ASSERT
#include "main.h"
@@ -209,14 +211,20 @@ template<typename MatrixType> void vectorwiseop_matrix(const MatrixType& m)
m2 = m1;
m2.rowwise().normalize();
VERIFY_IS_APPROX(m2.row(r), m1.row(r).normalized());
// test with partial reduction of products
Matrix<Scalar,MatrixType::RowsAtCompileTime,MatrixType::RowsAtCompileTime> m1m1 = m1 * m1.transpose();
VERIFY_IS_APPROX( (m1 * m1.transpose()).colwise().sum(), m1m1.colwise().sum());
Matrix<Scalar,1,MatrixType::RowsAtCompileTime> tmp(rows);
VERIFY_EVALUATION_COUNT( tmp = (m1 * m1.transpose()).colwise().sum(), (MatrixType::RowsAtCompileTime==Dynamic ? 1 : 0));
}
void test_vectorwiseop()
{
CALL_SUBTEST_1(vectorwiseop_array(Array22cd()));
CALL_SUBTEST_2(vectorwiseop_array(Array<double, 3, 2>()));
CALL_SUBTEST_3(vectorwiseop_array(ArrayXXf(3, 4)));
CALL_SUBTEST_4(vectorwiseop_matrix(Matrix4cf()));
CALL_SUBTEST_5(vectorwiseop_matrix(Matrix<float,4,5>()));
CALL_SUBTEST_6(vectorwiseop_matrix(MatrixXd(7,2)));
CALL_SUBTEST_1( vectorwiseop_array(Array22cd()) );
CALL_SUBTEST_2( vectorwiseop_array(Array<double, 3, 2>()) );
CALL_SUBTEST_3( vectorwiseop_array(ArrayXXf(3, 4)) );
CALL_SUBTEST_4( vectorwiseop_matrix(Matrix4cf()) );
CALL_SUBTEST_5( vectorwiseop_matrix(Matrix<float,4,5>()) );
CALL_SUBTEST_6( vectorwiseop_matrix(MatrixXd(internal::random<int>(1,EIGEN_TEST_MAX_SIZE), internal::random<int>(1,EIGEN_TEST_MAX_SIZE))) );
}