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# /home/coin/svn-release/Alps-1.4.8/Clp/src/CoinAbcCommonFactorization.hpp

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    00001 /* $Id: CoinAbcCommonFactorization.hpp 1910 2013-01-27 02:00:13Z stefan $ */
    00002 // Copyright (C) 2000, International Business Machines
    00003 // Corporation and others, Copyright (C) 2012, FasterCoin.  All Rights Reserved.
    00004 // This code is licensed under the terms of the Eclipse Public License (EPL).
    00005 #ifndef CoinAbcCommonFactorization_H
    00006 #define CoinAbcCommonFactorization_H
    00007 /* meaning of ABC_SMALL
    00008    -1 force copies (and no tests)
    00009    0 force copy of U
    00010    2 force no copies (and no tests)
    00011 */
    00012
    00013 #include "CoinAbcCommon.hpp"
    00014 //#define DONT_USE_SLACKS
    00015 //#define COIN_ONE_ETA_COPY 100
    00016 //#define COIN_FAC_NEW 1
    00017 #define INITIAL_AVERAGE 1.0
    00018 #define INITIAL_AVERAGE2 1.0
    00019 #define AVERAGE_SCALE_BACK 0.8
    00020 //#define SWITCHABLE_STATISTICS
    00021 #ifndef SWITCHABLE_STATISTICS
    00022 #define setStatistics(x)
    00023 #define factorizationStatistics() (true)
    00024 #else
    00025 #define setStatistics(x) collectStatistics_=x
    00026 #define factorizationStatistics() (collectStatistics_)
    00027 #endif
    00028 #include "CoinAbcDenseFactorization.hpp"
    00029 class CoinPackedMatrix;
    00030 class CoinFactorization;
    00031 #define FACTORIZATION_STATISTICS 0 //1
    00032 typedef struct {
    00033   double countInput_;
    00034   double countAfterL_;
    00035   double countAfterR_;
    00036   double countAfterU_;
    00037   double averageAfterL_;
    00038   double averageAfterR_;
    00039   double averageAfterU_;
    00040 #if FACTORIZATION_STATISTICS
    00041   double twiddleFactor1_;
    00042   double twiddleFactor2_;
    00043 #endif
    00044   CoinSimplexInt numberCounts_;
    00045 } CoinAbcStatistics;
    00046 #if FACTORIZATION_STATISTICS
    00047 #define twiddleFactor1S()  (statistics.twiddleFactor1_)
    00048 #define twiddleFactor2S()  (statistics.twiddleFactor2_)
    00049 #define twiddleFtranFactor1()  (ftranTwiddleFactor1_)
    00050 #define twiddleFtranFTFactor1()  (ftranFTTwiddleFactor1_)
    00051 #define twiddleBtranFactor1()  (btranTwiddleFactor1_)
    00052 #define twiddleFtranFactor2()  (ftranTwiddleFactor2_)
    00053 #define twiddleFtranFTFactor2()  (ftranFTTwiddleFactor2_)
    00054 #define twiddleBtranFactor2()  (btranTwiddleFactor2_)
    00055 #define twiddleBtranFullFactor1()  (btranFullTwiddleFactor1_)
    00056 #else
    00057 #define twiddleFactor1S()  (1.0)
    00058 #define twiddleFactor2S()  (1.0)
    00059 #define twiddleFtranFactor1()  (1.0)
    00060 #define twiddleFtranFTFactor1()  (1.0)
    00061 #define twiddleBtranFactor1()  (1.0)
    00062 #define twiddleFtranFactor2()  (1.0)
    00063 #define twiddleFtranFTFactor2()  (1.0)
    00064 #define twiddleBtranFactor2()  (1.0)
    00065 #define twiddleBtranFullFactor1()  (1.0)
    00066 #endif
    00067 #define ABC_FAC_GOT_LCOPY 4
    00068 #define ABC_FAC_GOT_RCOPY 8
    00069 #define ABC_FAC_GOT_UCOPY 16
    00070 #define ABC_FAC_GOT_SPARSE 32
    00071 typedef struct {
    00072   CoinBigIndex next;
    00073   CoinBigIndex start;
    00074   CoinSimplexUnsignedInt stack;
    00075 } CoinAbcStack;
    00076 void CoinAbcDgetrs(char trans,int m, double * a, double * work);
    00077 int  CoinAbcDgetrf(int m, int n, double * a, int lda, int * ipiv
    00078 #if ABC_PARALLEL==2
    00079                           ,int parallelMode
    00080 #endif
    00081 );
    00082 void CoinAbcDgetrs(char trans,int m, long double * a, long double * work);
    00083 int  CoinAbcDgetrf(int m, int n, long double * a, int lda, int * ipiv
    00084 #if ABC_PARALLEL==2
    00085                           ,int parallelMode
    00086 #endif
    00087 );
    00088 #define SWAP_FACTOR 2
    00089 #define BLOCKING8 8
    00090 #define BLOCKING8X8 BLOCKING8*BLOCKING8
    00091 #endif