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try to support 16 bit platforms... optimistic, but can't hurt

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Benoit Jacob 2009-08-14 15:49:14 -04:00
parent 22ae236d4e
commit 16abc0ba7f
1 changed files with 3 additions and 4 deletions
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7
Eigen/src/Core/util/Constants.h
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@ -2,7 +2,7 @@
// for linear algebra. // for linear algebra.
// //
// Copyright (C) 2008-2009 Gael Guennebaud <g.gael@free.fr> // Copyright (C) 2008-2009 Gael Guennebaud <g.gael@free.fr>
// Copyright (C) 2006-2008 Benoit Jacob <jacob.benoit.1@gmail.com> // Copyright (C) 2007-2009 Benoit Jacob <jacob.benoit.1@gmail.com>
// //
// Eigen is free software; you can redistribute it and/or // Eigen is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public // modify it under the terms of the GNU Lesser General Public
@ -39,10 +39,9 @@
* Also, disabling compiler warnings for integer overflow, sounds like a bad idea. * Also, disabling compiler warnings for integer overflow, sounds like a bad idea.
* - It should be a prime number, because for example the old value 10000 led to bugs with 100x100 matrices. * - It should be a prime number, because for example the old value 10000 led to bugs with 100x100 matrices.
* *
* If you wish to port Eigen to a platform where sizeof(int)==2, it is perfectly possible to set Dynamic to, say, 97. * Changing the value of Dynamic breaks the ABI, as Dynamic is often used as a template parameter for Matrix.
* However, changing the value of Dynamic breaks the ABI, as Dynamic is often used as a template parameter for Matrix.
*/ */
const int Dynamic = 33331; const int Dynamic = sizeof(int) >= 4 ? 33331 : 101;
/** This value means +Infinity; it is currently used only as the p parameter to MatrixBase::lpNorm<int>(). /** This value means +Infinity; it is currently used only as the p parameter to MatrixBase::lpNorm<int>().
* The value Infinity there means the L-infinity norm. * The value Infinity there means the L-infinity norm.