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Diffstat (limited to 'indra/newview/llsimplestat.h')
| -rwxr-xr-x | indra/newview/llsimplestat.h | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/indra/newview/llsimplestat.h b/indra/newview/llsimplestat.h deleted file mode 100755 index 9d7780c4f9..0000000000 --- a/indra/newview/llsimplestat.h +++ /dev/null @@ -1,152 +0,0 @@ -/** - * @file llsimplestat.h - * @brief Runtime statistics accumulation. - * - * $LicenseInfo:firstyear=2010&license=viewerlgpl$ - * 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 - * $/LicenseInfo$ - */ - -#ifndef LL_SIMPLESTAT_H -#define LL_SIMPLESTAT_H - -// History -// -// The original source for this code is the server repositories' -// llcommon/llstat.h file. This particular code was added after the -// viewer/server code schism but before the effort to convert common -// code to libraries was complete. Rather than add to merge issues, -// the needed code was cut'n'pasted into this new header as it isn't -// too awful a burden. Post-modularization, we can look at removing -// this redundancy. - - -/** - * @class LLSimpleStatCounter - * @brief Just counts events. - * - * Really not needed but have a pattern in mind in the future. - * Interface limits what can be done at that's just fine. - * - * *TODO: Update/transfer unit tests - * Unit tests: indra/test/llcommon_llstat_tut.cpp - */ -class LLSimpleStatCounter -{ -public: - inline LLSimpleStatCounter() { reset(); } - // Default destructor and assignment operator are valid - - inline void reset() { mCount = 0; } - - inline void merge(const LLSimpleStatCounter & src) - { mCount += src.mCount; } - - inline U32 operator++() { return ++mCount; } - - inline U32 getCount() const { return mCount; } - -protected: - U32 mCount; -}; - - -/** - * @class LLSimpleStatMMM - * @brief Templated collector of min, max and mean data for stats. - * - * Fed a stream of data samples, keeps a running account of the - * min, max and mean seen since construction or the last reset() - * call. A freshly-constructed or reset instance returns counts - * and values of zero. - * - * Overflows and underflows (integer, inf or -inf) and NaN's - * are the caller's problem. As is loss of precision when - * the running sum's exponent (when parameterized by a floating - * point of some type) differs from a given data sample's. - * - * Unit tests: indra/test/llcommon_llstat_tut.cpp - */ -template <typename VALUE_T = F32> -class LLSimpleStatMMM -{ -public: - typedef VALUE_T Value; - -public: - LLSimpleStatMMM() { reset(); } - // Default destructor and assignment operator are valid - - /** - * Resets the object returning all counts and derived - * values back to zero. - */ - void reset() - { - mCount = 0; - mMin = Value(0); - mMax = Value(0); - mTotal = Value(0); - } - - void record(Value v) - { - if (mCount) - { - mMin = llmin(mMin, v); - mMax = llmax(mMax, v); - } - else - { - mMin = v; - mMax = v; - } - mTotal += v; - ++mCount; - } - - void merge(const LLSimpleStatMMM<VALUE_T> & src) - { - if (! mCount) - { - *this = src; - } - else if (src.mCount) - { - mMin = llmin(mMin, src.mMin); - mMax = llmax(mMax, src.mMax); - mCount += src.mCount; - mTotal += src.mTotal; - } - } - - inline U32 getCount() const { return mCount; } - inline Value getMin() const { return mMin; } - inline Value getMax() const { return mMax; } - inline Value getMean() const { return mCount ? mTotal / mCount : mTotal; } - -protected: - U32 mCount; - Value mMin; - Value mMax; - Value mTotal; -}; - -#endif // LL_SIMPLESTAT_H |