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sort.c
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/** @file sort.c
*
* Contains the sort routines.
* We distinguish levels of sorting.
* The ground level is the sorting of terms in an expression.
* When a term has functions, the arguments can contain terms that need
* sorting, which this then done by raising the level. This can happen
* recursively. NewSort and EndSort automatically raise and lower the
* level. Because the ground level does some special things, sometimes
* we have to raise immediately to the second level skipping the ground level.
*
* Special routines for the parallel sorting are in the file threads.c
* Also the sorting of terms in polynomials is special but most of that is
* controled by changing the address of the compare routine. Other routines
* relevant for adding rational polynomials are in the file polynito.c
*/
/* #[ License : */
/*
* Copyright (C) 1984-2022 J.A.M. Vermaseren
* When using this file you are requested to refer to the publication
* J.A.M.Vermaseren "New features of FORM" math-ph/0010025
* This is considered a matter of courtesy as the development was paid
* for by FOM the Dutch physics granting agency and we would like to
* be able to track its scientific use to convince FOM of its value
* for the community.
*
* This file is part of FORM.
*
* FORM is free software: you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* FORM 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 General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along
* with FORM. If not, see <http://www.gnu.org/licenses/>.
*/
/* #] License : */
/*
#[ Includes : sort.c
Sort routines according to new conventions (25-jun-1997).
This is more object oriented.
The active sort is indicated by AT.SS which should agree with
AN.FunSorts[AR.sLevel];
#define GZIPDEBUG
*/
#define NEWSPLITMERGE
#include "form3.h"
#ifdef WITHPTHREADS
UBYTE THRbuf[100];
#endif
#ifdef WITHSTATS
extern LONG numwrites;
extern LONG numreads;
extern LONG numseeks;
extern LONG nummallocs;
extern LONG numfrees;
#endif
LONG numcompares;
/*
#] Includes :
#[ SortUtilities :
#[ WriteStats : VOID WriteStats(lspace,par)
*/
char *toterms[] = { " ", " >>", "-->" };
/**
* Writes the statistics.
*
* @param plspace The size in bytes currently occupied
* @param par
* par = 0 after a splitmerge.
* par = 1 after merge to sortfile.
* par = 2 after the sort
*
* current expression is to be found in AR.CurExpr.
* terms are in S->TermsLeft.
* S->GenTerms.
*/
VOID WriteStats(POSITION *plspace, WORD par)
{
GETIDENTITY
LONG millitime, y = 0x7FFFFFFFL >> 1;
WORD timepart;
SORTING *S;
POSITION pp;
int use_wtime;
if ( AT.SS == AT.S0 && AC.StatsFlag ) {
#ifdef WITHPTHREADS
if ( AC.ThreadStats == 0 && identity > 0 ) return;
#elif defined(WITHMPI)
if ( AC.OldParallelStats ) return;
if ( ! AC.ProcessStats && PF.me != MASTER ) return;
#endif
if ( Expressions == 0 ) return;
if ( par == 0 ) {
if ( AC.ShortStatsMax == 0 ) return;
AR.ShortSortCount++;
if ( AR.ShortSortCount < AC.ShortStatsMax ) return;
}
AR.ShortSortCount = 0;
S = AT.SS;
MLOCK(ErrorMessageLock);
if ( AC.ShortStats ) {}
else {
#ifdef WITHPTHREADS
if ( identity > 0 ) {
MesPrint(" Thread %d reporting",identity);
}
else {
MesPrint("");
}
#elif defined(WITHMPI)
if ( PF.me != MASTER ) {
MesPrint(" Process %d reporting",PF.me);
}
else {
MesPrint("");
}
#else
MesPrint("");
#endif
}
/*
* We define WTimeStatsFlag as a flag to print the wall-clock time on
* the *master*, not in workers. This can be confusing in thread
* statistics when short statistics is used. Technically,
* TimeWallClock() is not thread-safe in TFORM.
*/
use_wtime = AC.WTimeStatsFlag;
#if defined(WITHPTHREADS)
if ( use_wtime && identity > 0 ) use_wtime = 0;
#elif defined(WITHMPI)
if ( use_wtime && PF.me != MASTER ) use_wtime = 0;
#endif
millitime = use_wtime ? TimeWallClock(1) * 10 : TimeCPU(1);
timepart = (WORD)(millitime%1000);
millitime /= 1000;
timepart /= 10;
if ( AC.ShortStats ) {
#if defined(WITHPTHREADS) || defined(WITHMPI)
#ifdef WITHPTHREADS
if ( identity > 0 ) {
#else
if ( PF.me != MASTER ) {
const int identity = PF.me;
#endif
if ( par == 0 || par == 2 ) {
SETBASEPOSITION(pp,y);
if ( ISLESSPOS(*plspace,pp) ) {
MesPrint("%d: %7l.%2is %8l>%10l%3s%10l:%10p %s %s",identity,
millitime,timepart,AN.ninterms,S->GenTerms,toterms[par],
S->TermsLeft,plspace,EXPRNAME(AR.CurExpr),AC.Commercial);
/*
MesPrint("%d: %14s %17s %7l.%2is %8l>%10l%3s%10l:%10p",identity,
EXPRNAME(AR.CurExpr),AC.Commercial,millitime,timepart,
AN.ninterms,S->GenTerms,toterms[par],S->TermsLeft,plspace);
*/
}
else {
y = 1000000000L;
SETBASEPOSITION(pp,y);
MULPOS(pp,100);
if ( ISLESSPOS(*plspace,pp) ) {
MesPrint("%d: %7l.%2is %8l>%10l%3s%10l:%11p %s %s",identity,
millitime,timepart,AN.ninterms,S->GenTerms,toterms[par],
S->TermsLeft,plspace,EXPRNAME(AR.CurExpr),AC.Commercial);
}
else {
MULPOS(pp,10);
if ( ISLESSPOS(*plspace,pp) ) {
MesPrint("%d: %7l.%2is %8l>%10l%3s%10l:%12p %s %s",identity,
millitime,timepart,AN.ninterms,S->GenTerms,toterms[par],
S->TermsLeft,plspace,EXPRNAME(AR.CurExpr),AC.Commercial);
}
else {
MULPOS(pp,10);
if ( ISLESSPOS(*plspace,pp) ) {
MesPrint("%d: %7l.%2is %8l>%10l%3s%10l:%13p %s %s",identity,
millitime,timepart,AN.ninterms,S->GenTerms,toterms[par],
S->TermsLeft,plspace,EXPRNAME(AR.CurExpr),AC.Commercial);
}
else {
MULPOS(pp,10);
if ( ISLESSPOS(*plspace,pp) ) {
MesPrint("%d: %7l.%2is %8l>%10l%3s%10l:%14p %s %s",identity,
millitime,timepart,AN.ninterms,S->GenTerms,toterms[par],
S->TermsLeft,plspace,EXPRNAME(AR.CurExpr),AC.Commercial);
}
else {
MULPOS(pp,10);
if ( ISLESSPOS(*plspace,pp) ) {
MesPrint("%d: %7l.%2is %8l>%10l%3s%10l:%15p %s %s",identity,
millitime,timepart,AN.ninterms,S->GenTerms,toterms[par],
S->TermsLeft,plspace,EXPRNAME(AR.CurExpr),AC.Commercial);
}
else {
MULPOS(pp,10);
if ( ISLESSPOS(*plspace,pp) ) {
MesPrint("%d: %7l.%2is %8l>%10l%3s%10l:%16p %s %s",identity,
millitime,timepart,AN.ninterms,S->GenTerms,toterms[par],
S->TermsLeft,plspace,EXPRNAME(AR.CurExpr),AC.Commercial);
}
else {
MULPOS(pp,10);
if ( ISLESSPOS(*plspace,pp) ) {
MesPrint("%d: %7l.%2is %8l>%10l%3s%10l:%17p %s %s",identity,
millitime,timepart,AN.ninterms,S->GenTerms,toterms[par],
S->TermsLeft,plspace,EXPRNAME(AR.CurExpr),AC.Commercial);
}
} } } } }
}
}
}
else if ( par == 1 ) {
SETBASEPOSITION(pp,y);
if ( ISLESSPOS(*plspace,pp) ) {
MesPrint("%d: %7l.%2is %10l:%10p",identity,millitime,timepart,
S->TermsLeft,plspace,EXPRNAME(AR.CurExpr),AC.Commercial);
}
else {
y = 1000000000L;
SETBASEPOSITION(pp,y);
MULPOS(pp,100);
if ( ISLESSPOS(*plspace,pp) ) {
MesPrint("%d: %7l.%2is %10l:%11p",identity,millitime,timepart,
S->TermsLeft,plspace,EXPRNAME(AR.CurExpr),AC.Commercial);
}
else {
MULPOS(pp,10);
if ( ISLESSPOS(*plspace,pp) ) {
MesPrint("%d: %7l.%2is %10l:%12p",identity,millitime,timepart,
S->TermsLeft,plspace,EXPRNAME(AR.CurExpr),AC.Commercial);
}
else {
MULPOS(pp,10);
if ( ISLESSPOS(*plspace,pp) ) {
MesPrint("%d: %7l.%2is %10l:%13p",identity,millitime,timepart,
S->TermsLeft,plspace,EXPRNAME(AR.CurExpr),AC.Commercial);
}
else {
MULPOS(pp,10);
if ( ISLESSPOS(*plspace,pp) ) {
MesPrint("%d: %7l.%2is %10l:%14p",identity,millitime,timepart,
S->TermsLeft,plspace,EXPRNAME(AR.CurExpr),AC.Commercial);
}
else {
MULPOS(pp,10);
if ( ISLESSPOS(*plspace,pp) ) {
MesPrint("%d: %7l.%2is %10l:%15p",identity,millitime,timepart,
S->TermsLeft,plspace,EXPRNAME(AR.CurExpr),AC.Commercial);
}
else {
MULPOS(pp,10);
if ( ISLESSPOS(*plspace,pp) ) {
MesPrint("%d: %7l.%2is %10l:%16p",identity,millitime,timepart,
S->TermsLeft,plspace,EXPRNAME(AR.CurExpr),AC.Commercial);
}
else {
MULPOS(pp,10);
if ( ISLESSPOS(*plspace,pp) ) {
MesPrint("%d: %7l.%2is %10l:%17p",identity,millitime,timepart,
S->TermsLeft,plspace,EXPRNAME(AR.CurExpr),AC.Commercial);
}
} } } } }
}
}
} } else
#endif
{
if ( par == 0 || par == 2 ) {
SETBASEPOSITION(pp,y);
if ( ISLESSPOS(*plspace,pp) ) {
MesPrint("%7l.%2is %8l>%10l%3s%10l:%10p %s %s",
millitime,timepart,AN.ninterms,S->GenTerms,toterms[par],
S->TermsLeft,plspace,EXPRNAME(AR.CurExpr),AC.Commercial);
/*
MesPrint("%14s %17s %7l.%2is %8l>%10l%3s%10l:%10p",
EXPRNAME(AR.CurExpr),AC.Commercial,millitime,timepart,
AN.ninterms,S->GenTerms,toterms[par],S->TermsLeft,plspace);
*/
}
else {
y = 1000000000L;
SETBASEPOSITION(pp,y);
MULPOS(pp,100);
if ( ISLESSPOS(*plspace,pp) ) {
MesPrint("%7l.%2is %8l>%10l%3s%10l:%11p %s %s",
millitime,timepart,AN.ninterms,S->GenTerms,toterms[par],
S->TermsLeft,plspace,EXPRNAME(AR.CurExpr),AC.Commercial);
}
else {
MULPOS(pp,10);
if ( ISLESSPOS(*plspace,pp) ) {
MesPrint("%7l.%2is %8l>%10l%3s%10l:%12p %s %s",
millitime,timepart,AN.ninterms,S->GenTerms,toterms[par],
S->TermsLeft,plspace,EXPRNAME(AR.CurExpr),AC.Commercial);
}
else {
MULPOS(pp,10);
if ( ISLESSPOS(*plspace,pp) ) {
MesPrint("%7l.%2is %8l>%10l%3s%10l:%13p %s %s",
millitime,timepart,AN.ninterms,S->GenTerms,toterms[par],
S->TermsLeft,plspace,EXPRNAME(AR.CurExpr),AC.Commercial);
}
else {
MULPOS(pp,10);
if ( ISLESSPOS(*plspace,pp) ) {
MesPrint("%7l.%2is %8l>%10l%3s%10l:%14p %s %s",
millitime,timepart,AN.ninterms,S->GenTerms,toterms[par],
S->TermsLeft,plspace,EXPRNAME(AR.CurExpr),AC.Commercial);
}
else {
MULPOS(pp,10);
if ( ISLESSPOS(*plspace,pp) ) {
MesPrint("%7l.%2is %8l>%10l%3s%10l:%15p %s %s",
millitime,timepart,AN.ninterms,S->GenTerms,toterms[par],
S->TermsLeft,plspace,EXPRNAME(AR.CurExpr),AC.Commercial);
}
else {
MULPOS(pp,10);
if ( ISLESSPOS(*plspace,pp) ) {
MesPrint("%7l.%2is %8l>%10l%3s%10l:%16p %s %s",
millitime,timepart,AN.ninterms,S->GenTerms,toterms[par],
S->TermsLeft,plspace,EXPRNAME(AR.CurExpr),AC.Commercial);
}
else {
MULPOS(pp,10);
if ( ISLESSPOS(*plspace,pp) ) {
MesPrint("%7l.%2is %8l>%10l%3s%10l:%17p %s %s",
millitime,timepart,AN.ninterms,S->GenTerms,toterms[par],
S->TermsLeft,plspace,EXPRNAME(AR.CurExpr),AC.Commercial);
}
} } } } }
}
}
}
else if ( par == 1 ) {
SETBASEPOSITION(pp,y);
if ( ISLESSPOS(*plspace,pp) ) {
MesPrint("%7l.%2is %10l:%10p",millitime,timepart,
S->TermsLeft,plspace,EXPRNAME(AR.CurExpr),AC.Commercial);
}
else {
y = 1000000000L;
SETBASEPOSITION(pp,y);
MULPOS(pp,100);
if ( ISLESSPOS(*plspace,pp) ) {
MesPrint("%7l.%2is %10l:%11p",millitime,timepart,
S->TermsLeft,plspace,EXPRNAME(AR.CurExpr),AC.Commercial);
}
else {
MULPOS(pp,10);
if ( ISLESSPOS(*plspace,pp) ) {
MesPrint("%7l.%2is %10l:%12p",millitime,timepart,
S->TermsLeft,plspace,EXPRNAME(AR.CurExpr),AC.Commercial);
}
else {
MULPOS(pp,10);
if ( ISLESSPOS(*plspace,pp) ) {
MesPrint("%7l.%2is %10l:%13p",millitime,timepart,
S->TermsLeft,plspace,EXPRNAME(AR.CurExpr),AC.Commercial);
}
else {
MULPOS(pp,10);
if ( ISLESSPOS(*plspace,pp) ) {
MesPrint("%7l.%2is %10l:%14p",millitime,timepart,
S->TermsLeft,plspace,EXPRNAME(AR.CurExpr),AC.Commercial);
}
else {
MULPOS(pp,10);
if ( ISLESSPOS(*plspace,pp) ) {
MesPrint("%7l.%2is %10l:%15p",millitime,timepart,
S->TermsLeft,plspace,EXPRNAME(AR.CurExpr),AC.Commercial);
}
else {
MULPOS(pp,10);
if ( ISLESSPOS(*plspace,pp) ) {
MesPrint("%7l.%2is %10l:%16p",millitime,timepart,
S->TermsLeft,plspace,EXPRNAME(AR.CurExpr),AC.Commercial);
}
else {
MULPOS(pp,10);
if ( ISLESSPOS(*plspace,pp) ) {
MesPrint("%7l.%2is %10l:%17p",millitime,timepart,
S->TermsLeft,plspace,EXPRNAME(AR.CurExpr),AC.Commercial);
}
} } } } }
}
}
}
} }
else {
if ( par == 1 ) {
if ( use_wtime ) {
MesPrint("WTime = %7l.%2i sec",millitime,timepart);
}
else {
MesPrint("Time = %7l.%2i sec",millitime,timepart);
}
}
else {
#if ( BITSINLONG > 32 )
if ( S->GenTerms >= 10000000000L ) {
if ( use_wtime ) {
MesPrint("WTime = %7l.%2i sec Generated terms = %16l",
millitime,timepart,S->GenTerms);
}
else {
MesPrint("Time = %7l.%2i sec Generated terms = %16l",
millitime,timepart,S->GenTerms);
}
}
else {
if ( use_wtime ) {
MesPrint("WTime = %7l.%2i sec Generated terms = %10l",
millitime,timepart,S->GenTerms);
}
else {
MesPrint("Time = %7l.%2i sec Generated terms = %10l",
millitime,timepart,S->GenTerms);
}
}
#else
if ( use_wtime ) {
MesPrint("WTime = %7l.%2i sec Generated terms = %10l",
millitime,timepart,S->GenTerms);
}
else {
MesPrint("Time = %7l.%2i sec Generated terms = %10l",
millitime,timepart,S->GenTerms);
}
#endif
}
#if ( BITSINLONG > 32 )
if ( par == 0 )
if ( S->TermsLeft >= 10000000000L ) {
MesPrint("%16s%8l Terms %s = %16l",EXPRNAME(AR.CurExpr),
AN.ninterms,FG.swmes[par],S->TermsLeft);
}
else {
MesPrint("%16s%8l Terms %s = %10l",EXPRNAME(AR.CurExpr),
AN.ninterms,FG.swmes[par],S->TermsLeft);
}
else {
if ( S->TermsLeft >= 10000000000L ) {
#ifdef WITHPTHREADS
if ( identity > 0 && par == 2 ) {
MesPrint("%16s Terms in thread = %16l",
EXPRNAME(AR.CurExpr),S->TermsLeft);
}
else
#elif defined(WITHMPI)
if ( PF.me != MASTER && par == 2 ) {
MesPrint("%16s Terms in process= %16l",
EXPRNAME(AR.CurExpr),S->TermsLeft);
}
else
#endif
{
MesPrint("%16s Terms %s = %16l",
EXPRNAME(AR.CurExpr),FG.swmes[par],S->TermsLeft);
}
}
else {
#ifdef WITHPTHREADS
if ( identity > 0 && par == 2 ) {
MesPrint("%16s Terms in thread = %10l",
EXPRNAME(AR.CurExpr),S->TermsLeft);
}
else
#elif defined(WITHMPI)
if ( PF.me != MASTER && par == 2 ) {
MesPrint("%16s Terms in process= %10l",
EXPRNAME(AR.CurExpr),S->TermsLeft);
}
else
#endif
{
MesPrint("%16s Terms %s = %10l",
EXPRNAME(AR.CurExpr),FG.swmes[par],S->TermsLeft);
}
}
}
#else
if ( par == 0 )
MesPrint("%16s%8l Terms %s = %10l",EXPRNAME(AR.CurExpr),
AN.ninterms,FG.swmes[par],S->TermsLeft);
else {
#ifdef WITHPTHREADS
if ( identity > 0 && par == 2 ) {
MesPrint("%16s Terms in thread = %10l",
EXPRNAME(AR.CurExpr),S->TermsLeft);
}
else
#elif defined(WITHMPI)
if ( PF.me != MASTER && par == 2 ) {
MesPrint("%16s Terms in process= %10l",
EXPRNAME(AR.CurExpr),S->TermsLeft);
}
else
#endif
{
MesPrint("%16s Terms %s = %10l",
EXPRNAME(AR.CurExpr),FG.swmes[par],S->TermsLeft);
}
}
#endif
SETBASEPOSITION(pp,y);
if ( ISLESSPOS(*plspace,pp) ) {
MesPrint("%24s Bytes used = %10p",AC.Commercial,plspace);
}
else {
y = 1000000000L;
SETBASEPOSITION(pp,y);
MULPOS(pp,100);
if ( ISLESSPOS(*plspace,pp) ) {
MesPrint("%24s Bytes used =%11p",AC.Commercial,plspace);
}
else {
MULPOS(pp,10);
if ( ISLESSPOS(*plspace,pp) ) {
MesPrint("%24s Bytes used =%12p",AC.Commercial,plspace);
}
else {
MULPOS(pp,10);
if ( ISLESSPOS(*plspace,pp) ) {
MesPrint("%24s Bytes used =%13p",AC.Commercial,plspace);
}
else {
MULPOS(pp,10);
if ( ISLESSPOS(*plspace,pp) ) {
MesPrint("%24s Bytes used =%14p",AC.Commercial,plspace);
}
else {
MULPOS(pp,10);
if ( ISLESSPOS(*plspace,pp) ) {
MesPrint("%24s Bytes used =%15p",AC.Commercial,plspace);
}
else {
MULPOS(pp,10);
if ( ISLESSPOS(*plspace,pp) ) {
MesPrint("%24s Bytes used =%16p",AC.Commercial,plspace);
}
else {
MULPOS(pp,10);
if ( ISLESSPOS(*plspace,pp) ) {
MesPrint("%24s Bytes used=%17p",AC.Commercial,plspace);
}
} } } } }
}
} }
#ifdef WITHSTATS
MesPrint("Total number of writes: %l, reads: %l, seeks, %l"
,numwrites,numreads,numseeks);
MesPrint("Total number of mallocs: %l, frees: %l"
,nummallocs,numfrees);
#endif
MUNLOCK(ErrorMessageLock);
}
}
/*
#] WriteStats :
#[ NewSort : WORD NewSort()
*/
/**
* Starts a new sort.
* At the lowest level this is a 'main sort' with the struct according
* to the parameters in S0. At higher levels this is a sort for
* functions, subroutines or dollars.
* We prepare the arrays and structs.
*
* @return Regular convention (OK -> 0)
*/
WORD NewSort(PHEAD0)
{
GETBIDENTITY
SORTING *S, **newFS;
int i, newsize;
if ( AN.SoScratC == 0 )
AN.SoScratC = (UWORD *)Malloc1(2*(AM.MaxTal+2)*sizeof(UWORD),"NewSort");
AR.sLevel++;
if ( AR.sLevel >= AN.NumFunSorts ) {
if ( AN.NumFunSorts == 0 ) newsize = 100;
else newsize = 2*AN.NumFunSorts;
newFS = (SORTING **)Malloc1((newsize+1)*sizeof(SORTING *),"FunSort pointers");
for ( i = 0; i < AN.NumFunSorts; i++ ) newFS[i] = AN.FunSorts[i];
for ( ; i <= newsize; i++ ) newFS[i] = 0;
if ( AN.FunSorts ) M_free(AN.FunSorts,"FunSort pointers");
AN.FunSorts = newFS; AN.NumFunSorts = newsize;
}
if ( AR.sLevel == 0 ) {
numcompares = 0;
AN.FunSorts[0] = AT.S0;
if ( AR.PolyFun == 0 ) { AT.S0->PolyFlag = 0; }
else if ( AR.PolyFunType == 1 ) { AT.S0->PolyFlag = 1; }
else if ( AR.PolyFunType == 2 ) {
if ( AR.PolyFunExp == 2
|| AR.PolyFunExp == 3 ) AT.S0->PolyFlag = 1;
else AT.S0->PolyFlag = 2;
}
AR.ShortSortCount = 0;
}
else {
if ( AN.FunSorts[AR.sLevel] == 0 ) {
AN.FunSorts[AR.sLevel] = AllocSort(
AM.SLargeSize,AM.SSmallSize,AM.SSmallEsize,AM.STermsInSmall
,AM.SMaxPatches,AM.SMaxFpatches,AM.SIOsize);
}
AN.FunSorts[AR.sLevel]->PolyFlag = 0;
}
AT.SS = S = AN.FunSorts[AR.sLevel];
S->sFill = S->sBuffer;
S->lFill = S->lBuffer;
S->lPatch = 0;
S->fPatchN = 0;
S->GenTerms = S->TermsLeft = S->GenSpace = S->SpaceLeft = 0;
S->PoinFill = S->sPointer;
*S->PoinFill = S->sFill;
if ( AR.sLevel > 0 ) { S->PolyWise = 0; }
PUTZERO(S->SizeInFile[0]); PUTZERO(S->SizeInFile[1]); PUTZERO(S->SizeInFile[2]);
S->sTerms = 0;
PUTZERO(S->file.POposition);
S->stage4 = 0;
if ( AR.sLevel > AN.MaxFunSorts ) AN.MaxFunSorts = AR.sLevel;
/*
The next variable is for the staged sort only.
It should be treated differently
PUTZERO(AN.OldPosOut);
*/
return(0);
}
/*
#] NewSort :
#[ EndSort : WORD EndSort(PHEAD buffer,par)
*/
/**
* Finishes a sort.
* At AR.sLevel == 0 the output is to the regular output stream.
* When AR.sLevel > 0, the parameter par determines the actual output.
* The AR.sLevel will be popped.
* All ongoing stages are finished and if the sortfile is open
* it is closed.
* The statistics are printed when AR.sLevel == 0
* par == 0 Output to the buffer.
* par == 1 Sort for function arguments.
* The output will be copied into the buffer.
* It is assumed that this is in the WorkSpace.
* par == 2 Sort for $-variable. We return the address of the buffer
* that contains the output in buffer (treated like WORD **).
* We first catch the output in a file (unless we can
* intercept things after the small buffer has been sorted)
* Then we read from the file into a buffer.
* Only when par == 0 data compression can be attempted at AT.SS==AT.S0.
*
* @param buffer buffer for output when needed
* @param par See above
* @return If negative: error. If positive: number of words in output.
*/
LONG EndSort(PHEAD WORD *buffer, int par)
{
GETBIDENTITY
SORTING *S = AT.SS;
WORD j, **ss, *to, *t;
LONG sSpace, over, tover, spare, retval = 0, jj;
POSITION position, pp;
off_t lSpace;
FILEHANDLE *fout = 0, *oldoutfile = 0, *newout = 0;
if ( AM.exitflag && AR.sLevel == 0 ) return(0);
#ifdef WITHMPI
if( (retval = PF_EndSort()) > 0){
oldoutfile = AR.outfile;
retval = 0;
goto RetRetval;
}
else if(retval < 0){
retval = -1;
goto RetRetval;
}
/* PF_EndSort returned 0: for S != AM.S0 and slaves still do the regular sort */
#endif /* WITHMPI */
oldoutfile = AR.outfile;
/* PolyFlag repair action
if ( S == AT.S0 ) {
if ( AR.PolyFun == 0 ) { S->PolyFlag = 0; }
else if ( AR.PolyFunType == 1 ) { S->PolyFlag = 1; }
else if ( AR.PolyFunType == 2 ) {
if ( AR.PolyFunExp == 2
|| AR.PolyFunExp == 3 ) S->PolyFlag = 1;
else S->PolyFlag = 2;
}
S->PolyWise = 0;
}
else {
S->PolyFlag = S->PolyWise = 0;
}
*/
S->PolyWise = 0;
*(S->PoinFill) = 0;
#ifdef SPLITTIME
PrintTime((UBYTE *)"EndSort, before SplitMerge");
#endif
S->sPointer[SplitMerge(BHEAD S->sPointer,S->sTerms)] = 0;
#ifdef SPLITTIME
PrintTime((UBYTE *)"Endsort, after SplitMerge");
#endif
sSpace = 0;
tover = over = S->sTerms;
ss = S->sPointer;
if ( over >= 0 ) {
if ( S->lPatch > 0 || S->file.handle >= 0 ) {
ss[over] = 0;
sSpace = ComPress(ss,&spare);
S->TermsLeft -= over - spare;
if ( par == 1 ) { AR.outfile = newout = AllocFileHandle(0,(char *)0); }
}
else if ( S != AT.S0 ) {
ss[over] = 0;
if ( par == 2 ) {
sSpace = 3;
while ( ( t = *ss++ ) != 0 ) { sSpace += *t; }
if ( AN.tryterm > 0 && ( (sSpace+1)*sizeof(WORD) < (size_t)(AM.MaxTer) ) ) {
to = TermMalloc("$-sort space");
}
else {
LONG allocsp = sSpace+1;
if ( allocsp < MINALLOC ) allocsp = MINALLOC;
allocsp = ((allocsp+7)/8)*8;
to = (WORD *)Malloc1(allocsp*sizeof(WORD),"$-sort space");
if ( AN.tryterm > 0 ) AN.tryterm = 0;
}
*((WORD **)buffer) = to;
ss = S->sPointer;
while ( ( t = *ss++ ) != 0 ) {
j = *t; while ( --j >= 0 ) *to++ = *t++;
}
*to = 0;
retval = sSpace + 1;
}
else {
to = buffer;
sSpace = 0;
while ( ( t = *ss++ ) != 0 ) {
j = *t;
if ( ( sSpace += j ) > AM.MaxTer/((LONG)sizeof(WORD)) ) {
MLOCK(ErrorMessageLock);
MesPrint("Sorted function argument too long.");
MUNLOCK(ErrorMessageLock);
retval = -1; goto RetRetval;
}
while ( --j >= 0 ) *to++ = *t++;
}
*to = 0;
}
goto RetRetval;
}
else {
POSITION oldpos;
if ( S == AT.S0 ) {
fout = AR.outfile;
*AR.CompressPointer = 0;
SeekScratch(AR.outfile,&position);
}
else {
fout = &(S->file);
PUTZERO(position);
}
oldpos = position;
S->TermsLeft = 0;
/*
Here we can go directly to the output.
*/
#ifdef WITHZLIB
{ int oldgzipCompress = AR.gzipCompress;
AR.gzipCompress = 0;
#endif
if ( tover > 0 ) {
ss = S->sPointer;
while ( ( t = *ss++ ) != 0 ) {
if ( *t ) S->TermsLeft++;
#ifdef WITHPTHREADS
if ( AS.MasterSort && ( fout == AR.outfile ) ) { PutToMaster(BHEAD t); }
else
#endif
if ( PutOut(BHEAD t,&position,fout,1) < 0 ) {
retval = -1; goto RetRetval;
}
}
}
#ifdef WITHPTHREADS
if ( AS.MasterSort && ( fout == AR.outfile ) ) { PutToMaster(BHEAD 0); }
else
#endif
if ( FlushOut(&position,fout,1) ) {
retval = -1; goto RetRetval;
}
#ifdef WITHZLIB
AR.gzipCompress = oldgzipCompress;
}
#endif
#ifdef WITHPTHREADS
if ( AS.MasterSort && ( fout == AR.outfile ) ) goto RetRetval;
#endif
#ifdef WITHMPI
if ( PF.me != MASTER && PF.exprtodo < 0 ) goto RetRetval;
#endif
DIFPOS(oldpos,position,oldpos);
S->SpaceLeft = BASEPOSITION(oldpos);
WriteStats(&oldpos,(WORD)2);
pp = oldpos;
goto RetRetval;
}
}
else if ( par == 1 && newout == 0 ) { AR.outfile = newout = AllocFileHandle(0,(char *)0); }
sSpace++;
lSpace = sSpace + (S->lFill - S->lBuffer) - (LONG)S->lPatch*(AM.MaxTer/sizeof(WORD));
/* Note wrt MaxTer and lPatch: each patch starts with space for decompression */
/* Not needed if only large buffer, but needed when using files (?) */
SETBASEPOSITION(pp,lSpace);
MULPOS(pp,sizeof(WORD));
if ( S->file.handle >= 0 ) {
ADD2POS(pp,S->fPatches[S->fPatchN]);
}
if ( S == AT.S0 ) {
WORD oldLogHandle = AC.LogHandle;
if ( AC.LogHandle >= 0 && AM.LogType && ( ( S->lPatch > 0 )
|| S->file.handle >= 0 ) ) AC.LogHandle = -1;
if ( S->lPatch > 0 || S->file.handle >= 0 ) { WriteStats(&pp,0); }
AC.LogHandle = oldLogHandle;
}
if ( par == 2 ) { AR.outfile = newout = AllocFileHandle(0,(char *)0); }
if ( S->lPatch > 0 ) {
if ( ( S->lPatch >= S->MaxPatches ) ||
( ( (WORD *)(((UBYTE *)(S->lFill + sSpace)) + 2*AM.MaxTer) ) >= S->lTop ) ) {
/*
The large buffer is too full. Merge and write it
*/
#ifdef GZIPDEBUG
MLOCK(ErrorMessageLock);
MesPrint("%w EndSort: lPatch = %d, MaxPatches = %d,lFill = %x, sSpace = %ld, MaxTer = %d, lTop = %x"
,S->lPatch,S->MaxPatches,S->lFill,sSpace,AM.MaxTer/sizeof(WORD),S->lTop);
MUNLOCK(ErrorMessageLock);
#endif
if ( MergePatches(1) ) {
MLOCK(ErrorMessageLock);
MesCall("EndSort");
MUNLOCK(ErrorMessageLock);
retval = -1; goto RetRetval;
}
S->lPatch = 0;
pp = S->SizeInFile[1];
MULPOS(pp,sizeof(WORD));
#ifndef WITHPTHREADS
if ( S == AT.S0 )
#endif
{
WORD oldLogHandle = AC.LogHandle;
POSITION pppp;
SETBASEPOSITION(pppp,0);
SeekFile(S->file.handle,&pppp,SEEK_CUR);
SeekFile(S->file.handle,&pp,SEEK_END);
SeekFile(S->file.handle,&pppp,SEEK_SET);
if ( AC.LogHandle >= 0 && AM.LogType ) AC.LogHandle = -1;
WriteStats(&pp,(WORD)1);
AC.LogHandle = oldLogHandle;
UpdateMaxSize();
}
}
else {
S->Patches[S->lPatch++] = S->lFill;
to = (WORD *)(((UBYTE *)(S->lFill)) + AM.MaxTer);
if ( tover > 0 ) {
ss = S->sPointer;
while ( ( t = *ss++ ) != 0 ) {
j = *t;
if ( j < 0 ) j = t[1] + 2;
while ( --j >= 0 ) *to++ = *t++;
}
}
*to++ = 0;
S->lFill = to;
if ( S->file.handle < 0 ) {
if ( MergePatches(2) ) {
MLOCK(ErrorMessageLock);
MesCall("EndSort");
MUNLOCK(ErrorMessageLock);
retval = -1; goto RetRetval;
}
if ( S == AT.S0 ) {
pp = S->SizeInFile[2];
MULPOS(pp,sizeof(WORD));
#ifdef WITHPTHREADS
if ( AS.MasterSort && ( fout == AR.outfile ) ) goto RetRetval;
#endif
WriteStats(&pp,2);
UpdateMaxSize();
}
else {
if ( par == 2 && newout->handle >= 0 ) {
POSITION zeropos;
PUTZERO(zeropos);
#ifdef ALLLOCK
LOCK(newout->pthreadslock);
#endif
SeekFile(newout->handle,&zeropos,SEEK_SET);
to = (WORD *)Malloc1(BASEPOSITION(newout->filesize)+sizeof(WORD)*2
,"$-buffer reading");
if ( AN.tryterm > 0 ) AN.tryterm = 0;
if ( ( retval = ReadFile(newout->handle,(UBYTE *)to,BASEPOSITION(newout->filesize)) ) !=
BASEPOSITION(newout->filesize) ) {
MLOCK(ErrorMessageLock);
MesPrint("Error reading information for $ variable");
MUNLOCK(ErrorMessageLock);
M_free(to,"$-buffer reading");
retval = -1;
}
else {
*((WORD **)buffer) = to;
retval /= sizeof(WORD);
}
#ifdef ALLLOCK
UNLOCK(newout->pthreadslock);
#endif
}
else if ( newout->handle >= 0 ) { /* output too large */
TooLarge:
MLOCK(ErrorMessageLock);
MesPrint("(1)Output should fit inside a single term. Increase MaxTermSize?");
MesCall("EndSort");
MUNLOCK(ErrorMessageLock);
retval = -1; goto RetRetval;
}
else {
t = newout->PObuffer;
if ( par == 2 ) {
jj = newout->POfill - t;
if ( AN.tryterm > 0 && ( (jj+2)*sizeof(WORD) < (size_t)(AM.MaxTer) ) ) {
to = TermMalloc("$-sort space");
}
else {
LONG allocsp = jj+2;
if ( allocsp < MINALLOC ) allocsp = MINALLOC;
allocsp = ((allocsp+7)/8)*8;
to = (WORD *)Malloc1(allocsp*sizeof(WORD),"$-sort space");
if ( AN.tryterm > 0 ) AN.tryterm = 0;
}
*((WORD **)buffer) = to;
NCOPY(to,t,jj);
}
else {
j = newout->POfill - t;
to = buffer;
if ( to >= AT.WorkSpace && to < AT.WorkTop && to+j > AT.WorkTop )
goto WorkSpaceError;
if ( j > AM.MaxTer ) goto TooLarge;
NCOPY(to,t,j);
}
}
}
goto RetRetval;
}
if ( MergePatches(1) ) { /* --> SortFile */
MLOCK(ErrorMessageLock);
MesCall("EndSort");
MUNLOCK(ErrorMessageLock);
retval = -1; goto RetRetval;
}
UpdateMaxSize();
pp = S->SizeInFile[1];
MULPOS(pp,sizeof(WORD));
#ifndef WITHPTHREADS
if ( S == AT.S0 )
#endif
{
WORD oldLogHandle = AC.LogHandle;
POSITION pppp;