diff options
author | Roxie Linden <roxie@lindenlab.com> | 2024-05-20 12:59:59 -0700 |
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committer | Roxie Linden <roxie@lindenlab.com> | 2024-05-20 12:59:59 -0700 |
commit | 3a212d9608492ae64a3a32f80790371b90be9e9e (patch) | |
tree | fcb3901b838af753e40c2ddd1ce84b95a6c2f603 /indra/llmath/llmodularmath.h | |
parent | c7461061b8113fa258611b1a31f16a119fad1a2c (diff) | |
parent | e1623bb276f83a43ce7a197e388720c05bdefe61 (diff) |
Merge branch 'spaces-merge' into roxie/webrtc-voice
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 |