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							303 lines
						
					
					
						
							12 KiB
						
					
					
				| // This file is part of Eigen, a lightweight C++ template library | |
| // for linear algebra. | |
| // | |
| // Copyright (C) 2008-2009 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/. | |
|  | |
| #include "main.h" | |
|  | |
| template<typename ArrayType> void array(const ArrayType& m) | |
| { | |
|   typedef typename ArrayType::Index Index; | |
|   typedef typename ArrayType::Scalar Scalar; | |
|   typedef typename NumTraits<Scalar>::Real RealScalar; | |
|   typedef Array<Scalar, ArrayType::RowsAtCompileTime, 1> ColVectorType; | |
|   typedef Array<Scalar, 1, ArrayType::ColsAtCompileTime> RowVectorType; | |
| 
 | |
|   Index rows = m.rows(); | |
|   Index cols = m.cols();  | |
| 
 | |
|   ArrayType m1 = ArrayType::Random(rows, cols), | |
|              m2 = ArrayType::Random(rows, cols), | |
|              m3(rows, cols); | |
| 
 | |
|   ColVectorType cv1 = ColVectorType::Random(rows); | |
|   RowVectorType rv1 = RowVectorType::Random(cols); | |
| 
 | |
|   Scalar  s1 = internal::random<Scalar>(), | |
|           s2 = internal::random<Scalar>(); | |
| 
 | |
|   // scalar addition | |
|   VERIFY_IS_APPROX(m1 + s1, s1 + m1); | |
|   VERIFY_IS_APPROX(m1 + s1, ArrayType::Constant(rows,cols,s1) + m1); | |
|   VERIFY_IS_APPROX(s1 - m1, (-m1)+s1 ); | |
|   VERIFY_IS_APPROX(m1 - s1, m1 - ArrayType::Constant(rows,cols,s1)); | |
|   VERIFY_IS_APPROX(s1 - m1, ArrayType::Constant(rows,cols,s1) - m1); | |
|   VERIFY_IS_APPROX((m1*Scalar(2)) - s2, (m1+m1) - ArrayType::Constant(rows,cols,s2) ); | |
|   m3 = m1; | |
|   m3 += s2; | |
|   VERIFY_IS_APPROX(m3, m1 + s2); | |
|   m3 = m1; | |
|   m3 -= s1; | |
|   VERIFY_IS_APPROX(m3, m1 - s1);   | |
|    | |
|   // scalar operators via Maps | |
|   m3 = m1; | |
|   ArrayType::Map(m1.data(), m1.rows(), m1.cols()) -= ArrayType::Map(m2.data(), m2.rows(), m2.cols()); | |
|   VERIFY_IS_APPROX(m1, m3 - m2); | |
|    | |
|   m3 = m1; | |
|   ArrayType::Map(m1.data(), m1.rows(), m1.cols()) += ArrayType::Map(m2.data(), m2.rows(), m2.cols()); | |
|   VERIFY_IS_APPROX(m1, m3 + m2); | |
|    | |
|   m3 = m1; | |
|   ArrayType::Map(m1.data(), m1.rows(), m1.cols()) *= ArrayType::Map(m2.data(), m2.rows(), m2.cols()); | |
|   VERIFY_IS_APPROX(m1, m3 * m2); | |
|    | |
|   m3 = m1; | |
|   m2 = ArrayType::Random(rows,cols); | |
|   m2 = (m2==0).select(1,m2); | |
|   ArrayType::Map(m1.data(), m1.rows(), m1.cols()) /= ArrayType::Map(m2.data(), m2.rows(), m2.cols());   | |
|   VERIFY_IS_APPROX(m1, m3 / m2); | |
| 
 | |
|   // reductions | |
|   VERIFY_IS_APPROX(m1.colwise().sum().sum(), m1.sum()); | |
|   VERIFY_IS_APPROX(m1.rowwise().sum().sum(), m1.sum()); | |
|   if (!internal::isApprox(m1.sum(), (m1+m2).sum(), test_precision<Scalar>())) | |
|       VERIFY_IS_NOT_APPROX(((m1+m2).rowwise().sum()).sum(), m1.sum()); | |
|   VERIFY_IS_APPROX(m1.colwise().sum(), m1.colwise().redux(internal::scalar_sum_op<Scalar>())); | |
| 
 | |
|   // vector-wise ops | |
|   m3 = m1; | |
|   VERIFY_IS_APPROX(m3.colwise() += cv1, m1.colwise() + cv1); | |
|   m3 = m1; | |
|   VERIFY_IS_APPROX(m3.colwise() -= cv1, m1.colwise() - cv1); | |
|   m3 = m1; | |
|   VERIFY_IS_APPROX(m3.rowwise() += rv1, m1.rowwise() + rv1); | |
|   m3 = m1; | |
|   VERIFY_IS_APPROX(m3.rowwise() -= rv1, m1.rowwise() - rv1); | |
| } | |
| 
 | |
| template<typename ArrayType> void comparisons(const ArrayType& m) | |
| { | |
|   typedef typename ArrayType::Index Index; | |
|   typedef typename ArrayType::Scalar Scalar; | |
|   typedef typename NumTraits<Scalar>::Real RealScalar; | |
|   typedef Array<Scalar, ArrayType::RowsAtCompileTime, 1> VectorType; | |
| 
 | |
|   Index rows = m.rows(); | |
|   Index cols = m.cols(); | |
| 
 | |
|   Index r = internal::random<Index>(0, rows-1), | |
|         c = internal::random<Index>(0, cols-1); | |
| 
 | |
|   ArrayType m1 = ArrayType::Random(rows, cols), | |
|              m2 = ArrayType::Random(rows, cols), | |
|              m3(rows, cols);             | |
| 
 | |
|   VERIFY(((m1 + Scalar(1)) > m1).all()); | |
|   VERIFY(((m1 - Scalar(1)) < m1).all()); | |
|   if (rows*cols>1) | |
|   { | |
|     m3 = m1; | |
|     m3(r,c) += 1; | |
|     VERIFY(! (m1 < m3).all() ); | |
|     VERIFY(! (m1 > m3).all() ); | |
|   } | |
| 
 | |
|   // comparisons to scalar | |
|   VERIFY( (m1 != (m1(r,c)+1) ).any() ); | |
|   VERIFY( (m1 > (m1(r,c)-1) ).any() ); | |
|   VERIFY( (m1 < (m1(r,c)+1) ).any() ); | |
|   VERIFY( (m1 == m1(r,c) ).any() ); | |
| 
 | |
|   // test Select | |
|   VERIFY_IS_APPROX( (m1<m2).select(m1,m2), m1.cwiseMin(m2) ); | |
|   VERIFY_IS_APPROX( (m1>m2).select(m1,m2), m1.cwiseMax(m2) ); | |
|   Scalar mid = (m1.cwiseAbs().minCoeff() + m1.cwiseAbs().maxCoeff())/Scalar(2); | |
|   for (int j=0; j<cols; ++j) | |
|   for (int i=0; i<rows; ++i) | |
|     m3(i,j) = internal::abs(m1(i,j))<mid ? 0 : m1(i,j); | |
|   VERIFY_IS_APPROX( (m1.abs()<ArrayType::Constant(rows,cols,mid)) | |
|                         .select(ArrayType::Zero(rows,cols),m1), m3); | |
|   // shorter versions: | |
|   VERIFY_IS_APPROX( (m1.abs()<ArrayType::Constant(rows,cols,mid)) | |
|                         .select(0,m1), m3); | |
|   VERIFY_IS_APPROX( (m1.abs()>=ArrayType::Constant(rows,cols,mid)) | |
|                         .select(m1,0), m3); | |
|   // even shorter version: | |
|   VERIFY_IS_APPROX( (m1.abs()<mid).select(0,m1), m3); | |
| 
 | |
|   // count | |
|   VERIFY(((m1.abs()+1)>RealScalar(0.1)).count() == rows*cols); | |
| 
 | |
|   // and/or | |
|   VERIFY( (m1<RealScalar(0) && m1>RealScalar(0)).count() == 0); | |
|   VERIFY( (m1<RealScalar(0) || m1>=RealScalar(0)).count() == rows*cols); | |
|   RealScalar a = m1.abs().mean(); | |
|   VERIFY( (m1<-a || m1>a).count() == (m1.abs()>a).count()); | |
| 
 | |
|   typedef Array<typename ArrayType::Index, Dynamic, 1> ArrayOfIndices; | |
| 
 | |
|   // TODO allows colwise/rowwise for array | |
|   VERIFY_IS_APPROX(((m1.abs()+1)>RealScalar(0.1)).colwise().count(), ArrayOfIndices::Constant(cols,rows).transpose()); | |
|   VERIFY_IS_APPROX(((m1.abs()+1)>RealScalar(0.1)).rowwise().count(), ArrayOfIndices::Constant(rows, cols)); | |
| } | |
| 
 | |
| template<typename ArrayType> void array_real(const ArrayType& m) | |
| { | |
|   typedef typename ArrayType::Index Index; | |
|   typedef typename ArrayType::Scalar Scalar; | |
|   typedef typename NumTraits<Scalar>::Real RealScalar; | |
| 
 | |
|   Index rows = m.rows(); | |
|   Index cols = m.cols(); | |
| 
 | |
|   ArrayType m1 = ArrayType::Random(rows, cols), | |
|              m2 = ArrayType::Random(rows, cols), | |
|              m3(rows, cols); | |
| 
 | |
|   Scalar  s1 = internal::random<Scalar>(); | |
| 
 | |
|   // these tests are mostly to check possible compilation issues. | |
|   VERIFY_IS_APPROX(m1.sin(), std::sin(m1)); | |
|   VERIFY_IS_APPROX(m1.sin(), internal::sin(m1)); | |
|   VERIFY_IS_APPROX(m1.cos(), std::cos(m1)); | |
|   VERIFY_IS_APPROX(m1.cos(), internal::cos(m1)); | |
|   VERIFY_IS_APPROX(m1.asin(), std::asin(m1)); | |
|   VERIFY_IS_APPROX(m1.asin(), internal::asin(m1)); | |
|   VERIFY_IS_APPROX(m1.acos(), std::acos(m1)); | |
|   VERIFY_IS_APPROX(m1.acos(), internal::acos(m1)); | |
|   VERIFY_IS_APPROX(m1.tan(), std::tan(m1)); | |
|   VERIFY_IS_APPROX(m1.tan(), internal::tan(m1)); | |
|    | |
|   VERIFY_IS_APPROX(internal::cos(m1+RealScalar(3)*m2), internal::cos((m1+RealScalar(3)*m2).eval())); | |
|   VERIFY_IS_APPROX(std::cos(m1+RealScalar(3)*m2), std::cos((m1+RealScalar(3)*m2).eval())); | |
| 
 | |
|   VERIFY_IS_APPROX(m1.abs().sqrt(), std::sqrt(std::abs(m1))); | |
|   VERIFY_IS_APPROX(m1.abs().sqrt(), internal::sqrt(internal::abs(m1))); | |
|   VERIFY_IS_APPROX(m1.abs(), internal::sqrt(internal::abs2(m1))); | |
| 
 | |
|   VERIFY_IS_APPROX(internal::abs2(internal::real(m1)) + internal::abs2(internal::imag(m1)), internal::abs2(m1)); | |
|   VERIFY_IS_APPROX(internal::abs2(std::real(m1)) + internal::abs2(std::imag(m1)), internal::abs2(m1)); | |
|   if(!NumTraits<Scalar>::IsComplex) | |
|     VERIFY_IS_APPROX(internal::real(m1), m1); | |
| 
 | |
|   VERIFY_IS_APPROX(m1.abs().log(), std::log(std::abs(m1))); | |
|   VERIFY_IS_APPROX(m1.abs().log(), internal::log(internal::abs(m1))); | |
| 
 | |
|   VERIFY_IS_APPROX(m1.exp(), std::exp(m1)); | |
|   VERIFY_IS_APPROX(m1.exp() * m2.exp(), std::exp(m1+m2)); | |
|   VERIFY_IS_APPROX(m1.exp(), internal::exp(m1)); | |
|   VERIFY_IS_APPROX(m1.exp() / m2.exp(), std::exp(m1-m2)); | |
| 
 | |
|   VERIFY_IS_APPROX(m1.pow(2), m1.square()); | |
|   VERIFY_IS_APPROX(std::pow(m1,2), m1.square()); | |
| 
 | |
|   ArrayType exponents = ArrayType::Constant(rows, cols, RealScalar(2)); | |
|   VERIFY_IS_APPROX(std::pow(m1,exponents), m1.square()); | |
| 
 | |
|   m3 = m1.abs(); | |
|   VERIFY_IS_APPROX(m3.pow(RealScalar(0.5)), m3.sqrt()); | |
|   VERIFY_IS_APPROX(std::pow(m3,RealScalar(0.5)), m3.sqrt()); | |
| 
 | |
|   // scalar by array division | |
|   const RealScalar tiny = std::sqrt(std::numeric_limits<RealScalar>::epsilon()); | |
|   s1 += Scalar(tiny); | |
|   m1 += ArrayType::Constant(rows,cols,Scalar(tiny)); | |
|   VERIFY_IS_APPROX(s1/m1, s1 * m1.inverse()); | |
| } | |
| 
 | |
| template<typename ArrayType> void array_complex(const ArrayType& m) | |
| { | |
|   typedef typename ArrayType::Index Index; | |
| 
 | |
|   Index rows = m.rows(); | |
|   Index cols = m.cols(); | |
| 
 | |
|   ArrayType m1 = ArrayType::Random(rows, cols), | |
|             m2(rows, cols); | |
| 
 | |
|   for (Index i = 0; i < m.rows(); ++i) | |
|     for (Index j = 0; j < m.cols(); ++j) | |
|       m2(i,j) = std::sqrt(m1(i,j)); | |
| 
 | |
|   VERIFY_IS_APPROX(m1.sqrt(), m2); | |
|   VERIFY_IS_APPROX(m1.sqrt(), std::sqrt(m1)); | |
|   VERIFY_IS_APPROX(m1.sqrt(), internal::sqrt(m1)); | |
| } | |
| 
 | |
| template<typename ArrayType> void min_max(const ArrayType& m) | |
| { | |
|   typedef typename ArrayType::Index Index; | |
|   typedef typename ArrayType::Scalar Scalar; | |
| 
 | |
|   Index rows = m.rows(); | |
|   Index cols = m.cols(); | |
| 
 | |
|   ArrayType m1 = ArrayType::Random(rows, cols); | |
| 
 | |
|   // min/max with array | |
|   Scalar maxM1 = m1.maxCoeff(); | |
|   Scalar minM1 = m1.minCoeff(); | |
| 
 | |
|   VERIFY_IS_APPROX(ArrayType::Constant(rows,cols, minM1), (m1.min)(ArrayType::Constant(rows,cols, minM1))); | |
|   VERIFY_IS_APPROX(m1, (m1.min)(ArrayType::Constant(rows,cols, maxM1))); | |
| 
 | |
|   VERIFY_IS_APPROX(ArrayType::Constant(rows,cols, maxM1), (m1.max)(ArrayType::Constant(rows,cols, maxM1))); | |
|   VERIFY_IS_APPROX(m1, (m1.max)(ArrayType::Constant(rows,cols, minM1))); | |
| 
 | |
|   // min/max with scalar input | |
|   VERIFY_IS_APPROX(ArrayType::Constant(rows,cols, minM1), (m1.min)( minM1)); | |
|   VERIFY_IS_APPROX(m1, (m1.min)( maxM1)); | |
| 
 | |
|   VERIFY_IS_APPROX(ArrayType::Constant(rows,cols, maxM1), (m1.max)( maxM1)); | |
|   VERIFY_IS_APPROX(m1, (m1.max)( minM1)); | |
| 
 | |
| } | |
| 
 | |
| void test_array() | |
| { | |
|   for(int i = 0; i < g_repeat; i++) { | |
|     CALL_SUBTEST_1( array(Array<float, 1, 1>()) ); | |
|     CALL_SUBTEST_2( array(Array22f()) ); | |
|     CALL_SUBTEST_3( array(Array44d()) ); | |
|     CALL_SUBTEST_4( array(ArrayXXcf(internal::random<int>(1,EIGEN_TEST_MAX_SIZE), internal::random<int>(1,EIGEN_TEST_MAX_SIZE))) ); | |
|     CALL_SUBTEST_5( array(ArrayXXf(internal::random<int>(1,EIGEN_TEST_MAX_SIZE), internal::random<int>(1,EIGEN_TEST_MAX_SIZE))) ); | |
|     CALL_SUBTEST_6( array(ArrayXXi(internal::random<int>(1,EIGEN_TEST_MAX_SIZE), internal::random<int>(1,EIGEN_TEST_MAX_SIZE))) ); | |
|   } | |
|   for(int i = 0; i < g_repeat; i++) { | |
|     CALL_SUBTEST_1( comparisons(Array<float, 1, 1>()) ); | |
|     CALL_SUBTEST_2( comparisons(Array22f()) ); | |
|     CALL_SUBTEST_3( comparisons(Array44d()) ); | |
|     CALL_SUBTEST_5( comparisons(ArrayXXf(internal::random<int>(1,EIGEN_TEST_MAX_SIZE), internal::random<int>(1,EIGEN_TEST_MAX_SIZE))) ); | |
|     CALL_SUBTEST_6( comparisons(ArrayXXi(internal::random<int>(1,EIGEN_TEST_MAX_SIZE), internal::random<int>(1,EIGEN_TEST_MAX_SIZE))) ); | |
|   } | |
|   for(int i = 0; i < g_repeat; i++) { | |
|     CALL_SUBTEST_1( min_max(Array<float, 1, 1>()) ); | |
|     CALL_SUBTEST_2( min_max(Array22f()) ); | |
|     CALL_SUBTEST_3( min_max(Array44d()) ); | |
|     CALL_SUBTEST_5( min_max(ArrayXXf(internal::random<int>(1,EIGEN_TEST_MAX_SIZE), internal::random<int>(1,EIGEN_TEST_MAX_SIZE))) ); | |
|     CALL_SUBTEST_6( min_max(ArrayXXi(internal::random<int>(1,EIGEN_TEST_MAX_SIZE), internal::random<int>(1,EIGEN_TEST_MAX_SIZE))) ); | |
|   } | |
|   for(int i = 0; i < g_repeat; i++) { | |
|     CALL_SUBTEST_1( array_real(Array<float, 1, 1>()) ); | |
|     CALL_SUBTEST_2( array_real(Array22f()) ); | |
|     CALL_SUBTEST_3( array_real(Array44d()) ); | |
|     CALL_SUBTEST_5( array_real(ArrayXXf(internal::random<int>(1,EIGEN_TEST_MAX_SIZE), internal::random<int>(1,EIGEN_TEST_MAX_SIZE))) ); | |
|   } | |
|   for(int i = 0; i < g_repeat; i++) { | |
|     CALL_SUBTEST_4( array_complex(ArrayXXcf(internal::random<int>(1,EIGEN_TEST_MAX_SIZE), internal::random<int>(1,EIGEN_TEST_MAX_SIZE))) ); | |
|   } | |
| 
 | |
|   VERIFY((internal::is_same< internal::global_math_functions_filtering_base<int>::type, int >::value)); | |
|   VERIFY((internal::is_same< internal::global_math_functions_filtering_base<float>::type, float >::value)); | |
|   VERIFY((internal::is_same< internal::global_math_functions_filtering_base<Array2i>::type, ArrayBase<Array2i> >::value)); | |
|   typedef CwiseUnaryOp<internal::scalar_sum_op<double>, ArrayXd > Xpr; | |
|   VERIFY((internal::is_same< internal::global_math_functions_filtering_base<Xpr>::type, | |
|                            ArrayBase<Xpr> | |
|                          >::value)); | |
| }
 |