diff options
| author | Stanislaw Halik <sthalik@misaki.pl> | 2019-03-03 21:09:10 +0100 |
|---|---|---|
| committer | Stanislaw Halik <sthalik@misaki.pl> | 2019-03-03 21:10:13 +0100 |
| commit | f0238cfb6997c4acfc2bd200de7295f3fa36968f (patch) | |
| tree | b215183760e4f615b9c1dabc1f116383b72a1b55 /eigen/test/sizeoverflow.cpp | |
| parent | 543edd372a5193d04b3de9f23c176ab439e51b31 (diff) | |
don't index Eigen
Diffstat (limited to 'eigen/test/sizeoverflow.cpp')
| -rw-r--r-- | eigen/test/sizeoverflow.cpp | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/eigen/test/sizeoverflow.cpp b/eigen/test/sizeoverflow.cpp deleted file mode 100644 index 240d222..0000000 --- a/eigen/test/sizeoverflow.cpp +++ /dev/null @@ -1,64 +0,0 @@ -// This file is part of Eigen, a lightweight C++ template library -// for linear algebra. -// -// Copyright (C) 2011 Benoit Jacob <jacob.benoit.1@gmail.com> -// -// 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" - -#define VERIFY_THROWS_BADALLOC(a) { \ - bool threw = false; \ - try { \ - a; \ - } \ - catch (std::bad_alloc&) { threw = true; } \ - VERIFY(threw && "should have thrown bad_alloc: " #a); \ - } - -template<typename MatrixType> -void triggerMatrixBadAlloc(Index rows, Index cols) -{ - VERIFY_THROWS_BADALLOC( MatrixType m(rows, cols) ); - VERIFY_THROWS_BADALLOC( MatrixType m; m.resize(rows, cols) ); - VERIFY_THROWS_BADALLOC( MatrixType m; m.conservativeResize(rows, cols) ); -} - -template<typename VectorType> -void triggerVectorBadAlloc(Index size) -{ - VERIFY_THROWS_BADALLOC( VectorType v(size) ); - VERIFY_THROWS_BADALLOC( VectorType v; v.resize(size) ); - VERIFY_THROWS_BADALLOC( VectorType v; v.conservativeResize(size) ); -} - -void test_sizeoverflow() -{ - // there are 2 levels of overflow checking. first in PlainObjectBase.h we check for overflow in rows*cols computations. - // this is tested in tests of the form times_itself_gives_0 * times_itself_gives_0 - // Then in Memory.h we check for overflow in size * sizeof(T) computations. - // this is tested in tests of the form times_4_gives_0 * sizeof(float) - - size_t times_itself_gives_0 = size_t(1) << (8 * sizeof(Index) / 2); - VERIFY(times_itself_gives_0 * times_itself_gives_0 == 0); - - size_t times_4_gives_0 = size_t(1) << (8 * sizeof(Index) - 2); - VERIFY(times_4_gives_0 * 4 == 0); - - size_t times_8_gives_0 = size_t(1) << (8 * sizeof(Index) - 3); - VERIFY(times_8_gives_0 * 8 == 0); - - triggerMatrixBadAlloc<MatrixXf>(times_itself_gives_0, times_itself_gives_0); - triggerMatrixBadAlloc<MatrixXf>(times_itself_gives_0 / 4, times_itself_gives_0); - triggerMatrixBadAlloc<MatrixXf>(times_4_gives_0, 1); - - triggerMatrixBadAlloc<MatrixXd>(times_itself_gives_0, times_itself_gives_0); - triggerMatrixBadAlloc<MatrixXd>(times_itself_gives_0 / 8, times_itself_gives_0); - triggerMatrixBadAlloc<MatrixXd>(times_8_gives_0, 1); - - triggerVectorBadAlloc<VectorXf>(times_4_gives_0); - - triggerVectorBadAlloc<VectorXd>(times_8_gives_0); -} |
