diff options
author | Brad Linden <46733234+brad-linden@users.noreply.github.com> | 2024-05-23 13:02:08 -0700 |
---|---|---|
committer | GitHub <noreply@github.com> | 2024-05-23 13:02:08 -0700 |
commit | 0cc832c38a34013a9eebf8d3caad2921bead265d (patch) | |
tree | 8d916206343d075fc85e90e83ec9dabe8b01376d /indra/llmath/llmodularmath.h | |
parent | 03c4458bdcc6821a3047f93b729d412e274ab9af (diff) | |
parent | 9f6849e081deac1f62ab3010ee0984e17749c9e6 (diff) |
Merge pull request #1528 from secondlife/brad/merge-maint-a-to-dev
merge maint-a (including maint-x) into gltf_development
Diffstat (limited to 'indra/llmath/llmodularmath.h')
-rw-r--r-- | indra/llmath/llmodularmath.h | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/indra/llmath/llmodularmath.h b/indra/llmath/llmodularmath.h index 0d4d28fadc..e0ae71417a 100644 --- a/indra/llmath/llmodularmath.h +++ b/indra/llmath/llmodularmath.h @@ -1,25 +1,25 @@ -/** +/** * @file llmodularmath.h * @brief Useful modular math functions. * * $LicenseInfo:firstyear=2008&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2010, Linden Research, Inc. - * + * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License only. - * + * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. - * + * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * + * * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ @@ -32,21 +32,21 @@ namespace LLModularMath // Return difference between lhs and rhs // treating the U32 operands and result // as unsigned values of given width. - template<int width> - inline U32 subtract(U32 lhs, U32 rhs) - { - // Generate a bit mask which will truncate - // unsigned values to given width at compile time. - const U32 mask = (1 << width) - 1; - - // Operands are unsigned, so modular - // arithmetic applies. If lhs < rhs, - // difference will wrap in to lower - // bits of result, which is then masked - // to give a value that can be represented - // by an unsigned value of width bits. - return mask & (lhs - rhs); - } + template<int width> + inline U32 subtract(U32 lhs, U32 rhs) + { + // Generate a bit mask which will truncate + // unsigned values to given width at compile time. + const U32 mask = (1 << width) - 1; + + // Operands are unsigned, so modular + // arithmetic applies. If lhs < rhs, + // difference will wrap in to lower + // bits of result, which is then masked + // to give a value that can be represented + // by an unsigned value of width bits. + return mask & (lhs - rhs); + } } #endif |