mirror of
https://gitlab.com/libeigen/eigen.git
synced 2024-12-27 07:29:52 +08:00
85 lines
2.7 KiB
C++
85 lines
2.7 KiB
C++
// This file is part of Eigen, a lightweight C++ template library
|
|
// for linear algebra.
|
|
//
|
|
// Copyright (C) 2017 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/.
|
|
|
|
#ifdef EIGEN_TEST_PART_2
|
|
#define EIGEN_MAX_CPP_VER 03
|
|
|
|
// see indexed_view.cpp
|
|
#if defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8))
|
|
#pragma GCC diagnostic ignored "-Wdeprecated"
|
|
#endif
|
|
|
|
#endif
|
|
|
|
#include "main.h"
|
|
|
|
template<typename T1,typename T2>
|
|
bool is_same_symb(const T1& a, const T2& b, Index size)
|
|
{
|
|
return a.eval(last=size-1) == b.eval(last=size-1);
|
|
}
|
|
|
|
template<typename T>
|
|
void check_is_symbolic(const T&) {
|
|
STATIC_CHECK(( symbolic::is_symbolic<T>::value ))
|
|
}
|
|
|
|
template<typename T>
|
|
void check_isnot_symbolic(const T&) {
|
|
STATIC_CHECK(( !symbolic::is_symbolic<T>::value ))
|
|
}
|
|
|
|
#define VERIFY_EQ_INT(A,B) VERIFY_IS_APPROX(int(A),int(B))
|
|
|
|
void check_symbolic_index()
|
|
{
|
|
check_is_symbolic(last);
|
|
check_is_symbolic(lastp1);
|
|
check_is_symbolic(last+1);
|
|
check_is_symbolic(last-lastp1);
|
|
check_is_symbolic(2*last-lastp1/2);
|
|
check_isnot_symbolic(fix<3>());
|
|
|
|
Index size=100;
|
|
|
|
// First, let's check FixedInt arithmetic:
|
|
VERIFY( is_same_type( (fix<5>()-fix<3>())*fix<9>()/(-fix<3>()), fix<-(5-3)*9/3>() ) );
|
|
VERIFY( is_same_type( (fix<5>()-fix<3>())*fix<9>()/fix<2>(), fix<(5-3)*9/2>() ) );
|
|
VERIFY( is_same_type( fix<9>()/fix<2>(), fix<9/2>() ) );
|
|
VERIFY( is_same_type( fix<9>()%fix<2>(), fix<9%2>() ) );
|
|
VERIFY( is_same_type( fix<9>()&fix<2>(), fix<9&2>() ) );
|
|
VERIFY( is_same_type( fix<9>()|fix<2>(), fix<9|2>() ) );
|
|
VERIFY( is_same_type( fix<9>()/2, int(9/2) ) );
|
|
|
|
VERIFY( is_same_symb( lastp1-1, last, size) );
|
|
VERIFY( is_same_symb( lastp1-fix<1>, last, size) );
|
|
|
|
VERIFY_IS_EQUAL( ( (last*5-2)/3 ).eval(last=size-1), ((size-1)*5-2)/3 );
|
|
VERIFY_IS_EQUAL( ( (last*fix<5>-fix<2>)/fix<3> ).eval(last=size-1), ((size-1)*5-2)/3 );
|
|
VERIFY_IS_EQUAL( ( -last*lastp1 ).eval(last=size-1), -(size-1)*size );
|
|
VERIFY_IS_EQUAL( ( lastp1-3*last ).eval(last=size-1), size- 3*(size-1) );
|
|
VERIFY_IS_EQUAL( ( (lastp1-3*last)/lastp1 ).eval(last=size-1), (size- 3*(size-1))/size );
|
|
|
|
#if EIGEN_HAS_CXX14
|
|
{
|
|
struct x_tag {}; static const symbolic::SymbolExpr<x_tag> x;
|
|
struct y_tag {}; static const symbolic::SymbolExpr<y_tag> y;
|
|
struct z_tag {}; static const symbolic::SymbolExpr<z_tag> z;
|
|
|
|
VERIFY_IS_APPROX( int(((x+3)/y+z).eval(x=6,y=3,z=-13)), (6+3)/3+(-13) );
|
|
}
|
|
#endif
|
|
}
|
|
|
|
EIGEN_DECLARE_TEST(symbolic_index)
|
|
{
|
|
CALL_SUBTEST_1( check_symbolic_index() );
|
|
CALL_SUBTEST_2( check_symbolic_index() );
|
|
}
|