/****************************************************************************
**
*F FuncRNamObj(<self>,<obj>) . . . . convert an object to a record name
**
** 'FuncRNamObj' implements the internal function 'RNamObj'.
**
** 'RNamObj( <obj> )'
**
** 'RNamObj' returns the record name corresponding to the object <obj>,
** which currently must be a string or an integer.
*/
static Obj FuncRNamObj(Obj self, Obj obj)
{
return INTOBJ_INT( RNamObj( obj ) );
}
UInt RNamName (
const Char * name )
{
Obj rnam; /* record name (as imm intobj) */
UInt pos; /* hash position */
UInt len; /* length of name */
Char namx [1024]; /* temporary copy of <name> */
Obj string; /* temporary string object <name> */
Obj table; /* temporary copy of <HashRNam> */
Obj rnam2; /* one element of <table> */
const Char * p; /* loop variable */
UInt i; /* loop variable */
/* start looking in the table at the following hash position */
pos = 0;
len = 0;
for ( p = name; *p != '\0'; p++ ) {
pos = 65599 * pos + *p;
len++;
}
pos = (pos % SizeRNam) + 1;
if(len >= 1023) {
// Note: We can't pass 'name' here, as it might get moved by garbage collection
ErrorQuit("Record names must consist of less than 1023 characters", 0, 0);
}
/* look through the table until we find a free slot or the global */
while ( (rnam = ELM_PLIST( HashRNam, pos )) != 0
&& strncmp( NAME_RNAM( INT_INTOBJ(rnam) ), name, 1023 ) ) {
pos = (pos % SizeRNam) + 1;
}
/* if we did not find the global variable, make a new one and enter it */
/* (copy the name first, to avoid a stale pointer in case of a GC) */
if ( rnam == 0 ) {
CountRNam++;
rnam = INTOBJ_INT(CountRNam);
SET_ELM_PLIST( HashRNam, pos, rnam );
strlcpy( namx, name, sizeof(namx) );
C_NEW_STRING_DYN(string, namx);
GROW_PLIST( NamesRNam, CountRNam );
SET_LEN_PLIST( NamesRNam, CountRNam );
SET_ELM_PLIST( NamesRNam, CountRNam, string );
CHANGED_BAG( NamesRNam );
}
/* if the table is too crowed, make a larger one, rehash the names */
if ( SizeRNam < 3 * CountRNam / 2 ) {
table = HashRNam;
SizeRNam = 2 * SizeRNam + 1;
HashRNam = NEW_PLIST( T_PLIST, SizeRNam );
SET_LEN_PLIST( HashRNam, SizeRNam );
for ( i = 1; i <= (SizeRNam-1)/2; i++ ) {
rnam2 = ELM_PLIST( table, i );
if ( rnam2 == 0 ) continue;
pos = 0;
for ( p = NAME_RNAM( INT_INTOBJ(rnam2) ); *p != '\0'; p++ ) {
pos = 65599 * pos + *p;
}
pos = (pos % SizeRNam) + 1;
while ( ELM_PLIST( HashRNam, pos ) != 0 ) {
pos = (pos % SizeRNam) + 1;
}
SET_ELM_PLIST( HashRNam, pos, rnam2 );
}
}
/* return the record name */
return INT_INTOBJ(rnam);
}
/* handler for function 2 */
static Obj HdlrFunc2 (
Obj self )
{
Obj t_1 = 0;
Obj t_2 = 0;
Obj t_3 = 0;
Obj t_4 = 0;
Obj t_5 = 0;
Obj t_6 = 0;
Bag oldFrame;
/* allocate new stack frame */
SWITCH_TO_NEW_FRAME(self,0,0,oldFrame);
/* Print( 1, "\n" ); */
t_1 = GF_Print;
t_2 = MakeString( "\n" );
CALL_2ARGS( t_1, INTOBJ_INT(1), t_2 );
/* Print( "abc", "\n" ); */
t_1 = GF_Print;
t_2 = MakeString( "abc" );
t_3 = MakeString( "\n" );
CALL_2ARGS( t_1, t_2, t_3 );
/* Print( (1,2)(5,6), "\n" ); */
t_1 = GF_Print;
t_2 = IdentityPerm;
t_4 = NEW_PLIST( T_PLIST, 2 );
SET_LEN_PLIST( t_4, 2 );
t_3 = NEW_PLIST( T_PLIST, 2 );
SET_LEN_PLIST( t_3, 2 );
SET_ELM_PLIST( t_4, 1, t_3 );
CHANGED_BAG( t_4 );
SET_ELM_PLIST( t_3, 1, INTOBJ_INT(1) );
CHANGED_BAG( t_3 );
SET_ELM_PLIST( t_3, 2, INTOBJ_INT(2) );
CHANGED_BAG( t_3 );
t_3 = NEW_PLIST( T_PLIST, 2 );
SET_LEN_PLIST( t_3, 2 );
SET_ELM_PLIST( t_4, 2, t_3 );
CHANGED_BAG( t_4 );
SET_ELM_PLIST( t_3, 1, INTOBJ_INT(5) );
CHANGED_BAG( t_3 );
SET_ELM_PLIST( t_3, 2, INTOBJ_INT(6) );
CHANGED_BAG( t_3 );
t_2 = Array2Perm( t_4 );
t_3 = MakeString( "\n" );
CALL_2ARGS( t_1, t_2, t_3 );
/* Print( [ 1, "abc" ], "\n" ); */
t_1 = GF_Print;
t_2 = NEW_PLIST( T_PLIST, 2 );
SET_LEN_PLIST( t_2, 2 );
SET_ELM_PLIST( t_2, 1, INTOBJ_INT(1) );
t_3 = MakeString( "abc" );
SET_ELM_PLIST( t_2, 2, t_3 );
CHANGED_BAG( t_2 );
t_3 = MakeString( "\n" );
CALL_2ARGS( t_1, t_2, t_3 );
/* Print( Group( (1,2,3) ), "\n" ); */
t_1 = GF_Print;
t_3 = GF_Group;
t_4 = IdentityPerm;
t_6 = NEW_PLIST( T_PLIST, 1 );
SET_LEN_PLIST( t_6, 1 );
t_5 = NEW_PLIST( T_PLIST, 3 );
SET_LEN_PLIST( t_5, 3 );
SET_ELM_PLIST( t_6, 1, t_5 );
CHANGED_BAG( t_6 );
SET_ELM_PLIST( t_5, 1, INTOBJ_INT(1) );
CHANGED_BAG( t_5 );
SET_ELM_PLIST( t_5, 2, INTOBJ_INT(2) );
CHANGED_BAG( t_5 );
SET_ELM_PLIST( t_5, 3, INTOBJ_INT(3) );
CHANGED_BAG( t_5 );
t_4 = Array2Perm( t_6 );
t_2 = CALL_1ARGS( t_3, t_4 );
CHECK_FUNC_RESULT( t_2 )
t_3 = MakeString( "\n" );
CALL_2ARGS( t_1, t_2, t_3 );
/* return; */
SWITCH_TO_OLD_FRAME(oldFrame);
return 0;
/* return; */
SWITCH_TO_OLD_FRAME(oldFrame);
return 0;
}
/* handler for function 6 */
static Obj HdlrFunc6 (
Obj self )
{
Obj t_1 = 0;
Bag oldFrame;
/* allocate new stack frame */
SWITCH_TO_NEW_FRAME(self,0,0,oldFrame);
/* f1( 2 ); */
t_1 = GF_f1;
CALL_1ARGS( t_1, INTOBJ_INT(2) );
/* f2( 2, 3 ); */
t_1 = GF_f2;
CALL_2ARGS( t_1, INTOBJ_INT(2), INTOBJ_INT(3) );
/* f3( ); */
t_1 = GF_f3;
CALL_0ARGS( t_1 );
/* f3( 2 ); */
t_1 = GF_f3;
CALL_1ARGS( t_1, INTOBJ_INT(2) );
/* f3( 2, 3, 4 ); */
t_1 = GF_f3;
CALL_3ARGS( t_1, INTOBJ_INT(2), INTOBJ_INT(3), INTOBJ_INT(4) );
/* f4( 1 ); */
t_1 = GF_f4;
CALL_1ARGS( t_1, INTOBJ_INT(1) );
/* f4( 1, 2 ); */
t_1 = GF_f4;
CALL_2ARGS( t_1, INTOBJ_INT(1), INTOBJ_INT(2) );
/* f4( 1, 2, 3 ); */
t_1 = GF_f4;
CALL_3ARGS( t_1, INTOBJ_INT(1), INTOBJ_INT(2), INTOBJ_INT(3) );
/* return; */
SWITCH_TO_OLD_FRAME(oldFrame);
return 0;
/* return; */
SWITCH_TO_OLD_FRAME(oldFrame);
return 0;
}
/****************************************************************************
**
*F RNamObjHandler(<self>,<obj>) . . . . convert an object to a record name
**
** 'RNamObjHandler' implements the internal function 'RNamObj'.
**
** 'RNamObj( <obj> )'
**
** 'RNamObj' returns the record name corresponding to the object <obj>,
** which currently must be a string or an integer.
*/
Obj RNamObjHandler (
Obj self,
Obj obj )
{
return INTOBJ_INT( RNamObj( obj ) );
}
static void UnbRecObject(Obj obj, UInt rnam)
{
DoOperation2Args( UnbRecOper, obj, INTOBJ_INT(rnam) );
}
static Obj PREC_MPD(Obj self, Obj f)
{
return INTOBJ_INT(mpd_get_prec(GET_MPD(f)));
}
Obj UNIX_Realtime( Obj self ) /* Time since beginning in seconds */
{ static time_t time_since_start = -1;
if (time_since_start == (time_t)-1) time_since_start = time(NULL);
/* Some non-POSIX UNIX's could have problem with the S-2^31 problem. :-) */
return INTOBJ_INT( time(NULL) - time_since_start );
}
/* handler for function 2 */
static Obj HdlrFunc2 (
Obj self )
{
Obj t_1 = 0;
Obj t_2 = 0;
Obj t_3 = 0;
Bag oldFrame;
/* allocate new stack frame */
SWITCH_TO_NEW_FRAME(self,0,0,oldFrame);
/* Print( AssertionLevel( ), "\n" ); */
t_1 = GF_Print;
t_3 = GF_AssertionLevel;
t_2 = CALL_0ARGS( t_3 );
CHECK_FUNC_RESULT( t_2 )
t_3 = MakeString( "\n" );
CALL_2ARGS( t_1, t_2, t_3 );
/* Assert( ... ); */
if ( ! LT(CurrentAssertionLevel, INTOBJ_INT(1)) ) {
t_2 = False;
t_1 = (Obj)(UInt)(t_2 != False);
if ( ! t_1 ) {
t_2 = MakeString( "fail-A" );
if ( t_2 != (Obj)(UInt)0 ){
if ( IS_STRING_REP ( t_2 ) )
PrintString1( t_2);
else
PrintObj(t_2);
}
}
}
/* Assert( ... ); */
if ( ! LT(CurrentAssertionLevel, INTOBJ_INT(1)) ) {
t_2 = False;
t_1 = (Obj)(UInt)(t_2 != False);
if ( ! t_1 ) {
ErrorReturnVoid("Assertion failure",0L,0L,"you may 'return;'");
}
}
/* Assert( ... ); */
if ( ! LT(CurrentAssertionLevel, INTOBJ_INT(0)) ) {
t_2 = True;
t_1 = (Obj)(UInt)(t_2 != False);
if ( ! t_1 ) {
t_2 = MakeString( "fail-B" );
if ( t_2 != (Obj)(UInt)0 ){
if ( IS_STRING_REP ( t_2 ) )
PrintString1( t_2);
else
PrintObj(t_2);
}
}
}
/* Assert( ... ); */
if ( ! LT(CurrentAssertionLevel, INTOBJ_INT(0)) ) {
t_2 = True;
t_1 = (Obj)(UInt)(t_2 != False);
if ( ! t_1 ) {
ErrorReturnVoid("Assertion failure",0L,0L,"you may 'return;'");
}
}
/* SetAssertionLevel( 2 ); */
t_1 = GF_SetAssertionLevel;
CALL_1ARGS( t_1, INTOBJ_INT(2) );
/* Print( AssertionLevel( ), "\n" ); */
t_1 = GF_Print;
t_3 = GF_AssertionLevel;
t_2 = CALL_0ARGS( t_3 );
CHECK_FUNC_RESULT( t_2 )
t_3 = MakeString( "\n" );
CALL_2ARGS( t_1, t_2, t_3 );
/* Assert( ... ); */
if ( ! LT(CurrentAssertionLevel, INTOBJ_INT(3)) ) {
t_2 = False;
t_1 = (Obj)(UInt)(t_2 != False);
if ( ! t_1 ) {
t_2 = MakeString( "fail-C" );
if ( t_2 != (Obj)(UInt)0 ){
if ( IS_STRING_REP ( t_2 ) )
PrintString1( t_2);
else
PrintObj(t_2);
}
}
}
/* Assert( ... ); */
if ( ! LT(CurrentAssertionLevel, INTOBJ_INT(3)) ) {
t_2 = False;
t_1 = (Obj)(UInt)(t_2 != False);
if ( ! t_1 ) {
ErrorReturnVoid("Assertion failure",0L,0L,"you may 'return;'");
}
}
/* Assert( ... ); */
if ( ! LT(CurrentAssertionLevel, INTOBJ_INT(2)) ) {
t_2 = True;
t_1 = (Obj)(UInt)(t_2 != False);
if ( ! t_1 ) {
t_2 = MakeString( "fail-D" );
if ( t_2 != (Obj)(UInt)0 ){
if ( IS_STRING_REP ( t_2 ) )
PrintString1( t_2);
else
PrintObj(t_2);
}
}
}
/* Assert( ... ); */
if ( ! LT(CurrentAssertionLevel, INTOBJ_INT(2)) ) {
t_2 = True;
t_1 = (Obj)(UInt)(t_2 != False);
if ( ! t_1 ) {
ErrorReturnVoid("Assertion failure",0L,0L,"you may 'return;'");
}
}
/* Assert( ... ); */
if ( ! LT(CurrentAssertionLevel, INTOBJ_INT(2)) ) {
t_2 = False;
t_1 = (Obj)(UInt)(t_2 != False);
if ( ! t_1 ) {
t_2 = MakeString( "pass!\n" );
if ( t_2 != (Obj)(UInt)0 ){
if ( IS_STRING_REP ( t_2 ) )
PrintString1( t_2);
else
PrintObj(t_2);
}
}
}
/* Print( "end of function\n" ); */
t_1 = GF_Print;
t_2 = MakeString( "end of function\n" );
CALL_1ARGS( t_1, t_2 );
/* return; */
SWITCH_TO_OLD_FRAME(oldFrame);
return 0;
/* return; */
SWITCH_TO_OLD_FRAME(oldFrame);
return 0;
}
Obj MPIcomm_size( Obj self )
{ int size;
MPI_Comm_size(MPI_COMM_WORLD, &size);
return INTOBJ_INT( size );
}
Obj UNIX_Getpid( Obj self )
{ return INTOBJ_INT( getpid() ); }
Obj MPIget_tag( Obj self )
{ return INTOBJ_INT(last_status.MPI_TAG); }
Obj MPIget_source( Obj self )
{ return INTOBJ_INT(last_status.MPI_SOURCE); }
Obj MPIcomm_rank( Obj self )
{ int rank;
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
return INTOBJ_INT( rank );
}
static Int IsbRecObject(Obj obj, UInt rnam)
{
return (DoOperation2Args( IsbRecOper, obj, INTOBJ_INT(rnam) ) == True);
}
/* handler for function 4 */
static Obj HdlrFunc4 (
Obj self )
{
Obj t_1 = 0;
Obj t_2 = 0;
Obj t_3 = 0;
Obj t_4 = 0;
Obj t_5 = 0;
Bag oldFrame;
/* allocate new stack frame */
SWITCH_TO_NEW_FRAME(self,0,0,oldFrame);
/* BreakOnError := false; */
t_1 = False;
AssGVar( G_BreakOnError, t_1 );
/* CALL_WITH_CATCH( range2, [ 1, 2 ^ 80 ] ); */
t_1 = GF_CALL__WITH__CATCH;
t_2 = GC_range2;
CHECK_BOUND( t_2, "range2" )
t_3 = NEW_PLIST( T_PLIST, 2 );
SET_LEN_PLIST( t_3, 2 );
SET_ELM_PLIST( t_3, 1, INTOBJ_INT(1) );
t_4 = POW( INTOBJ_INT(2), INTOBJ_INT(80) );
SET_ELM_PLIST( t_3, 2, t_4 );
CHANGED_BAG( t_3 );
CALL_2ARGS( t_1, t_2, t_3 );
/* CALL_WITH_CATCH( range2, [ - 2 ^ 80, 0 ] ); */
t_1 = GF_CALL__WITH__CATCH;
t_2 = GC_range2;
CHECK_BOUND( t_2, "range2" )
t_3 = NEW_PLIST( T_PLIST, 2 );
SET_LEN_PLIST( t_3, 2 );
t_5 = POW( INTOBJ_INT(2), INTOBJ_INT(80) );
C_AINV_FIA( t_4, t_5 )
SET_ELM_PLIST( t_3, 1, t_4 );
CHANGED_BAG( t_3 );
SET_ELM_PLIST( t_3, 2, INTOBJ_INT(0) );
CALL_2ARGS( t_1, t_2, t_3 );
/* CALL_WITH_CATCH( range3, [ 1, 2, 2 ^ 80 ] ); */
t_1 = GF_CALL__WITH__CATCH;
t_2 = GC_range3;
CHECK_BOUND( t_2, "range3" )
t_3 = NEW_PLIST( T_PLIST, 3 );
SET_LEN_PLIST( t_3, 3 );
SET_ELM_PLIST( t_3, 1, INTOBJ_INT(1) );
SET_ELM_PLIST( t_3, 2, INTOBJ_INT(2) );
t_4 = POW( INTOBJ_INT(2), INTOBJ_INT(80) );
SET_ELM_PLIST( t_3, 3, t_4 );
CHANGED_BAG( t_3 );
CALL_2ARGS( t_1, t_2, t_3 );
/* CALL_WITH_CATCH( range3, [ - 2 ^ 80, 0, 1 ] ); */
t_1 = GF_CALL__WITH__CATCH;
t_2 = GC_range3;
CHECK_BOUND( t_2, "range3" )
t_3 = NEW_PLIST( T_PLIST, 3 );
SET_LEN_PLIST( t_3, 3 );
t_5 = POW( INTOBJ_INT(2), INTOBJ_INT(80) );
C_AINV_FIA( t_4, t_5 )
SET_ELM_PLIST( t_3, 1, t_4 );
CHANGED_BAG( t_3 );
SET_ELM_PLIST( t_3, 2, INTOBJ_INT(0) );
SET_ELM_PLIST( t_3, 3, INTOBJ_INT(1) );
CALL_2ARGS( t_1, t_2, t_3 );
/* CALL_WITH_CATCH( range3, [ 0, 2 ^ 80, 2 ^ 81 ] ); */
t_1 = GF_CALL__WITH__CATCH;
t_2 = GC_range3;
CHECK_BOUND( t_2, "range3" )
t_3 = NEW_PLIST( T_PLIST, 3 );
SET_LEN_PLIST( t_3, 3 );
SET_ELM_PLIST( t_3, 1, INTOBJ_INT(0) );
t_4 = POW( INTOBJ_INT(2), INTOBJ_INT(80) );
SET_ELM_PLIST( t_3, 2, t_4 );
CHANGED_BAG( t_3 );
t_4 = POW( INTOBJ_INT(2), INTOBJ_INT(81) );
SET_ELM_PLIST( t_3, 3, t_4 );
CHANGED_BAG( t_3 );
CALL_2ARGS( t_1, t_2, t_3 );
/* Display( [ 1, 2 .. 2 ] ); */
t_1 = GF_Display;
t_2 = Range3Check( INTOBJ_INT(1), INTOBJ_INT(2), INTOBJ_INT(2) );
CALL_1ARGS( t_1, t_2 );
/* CALL_WITH_CATCH( range3, [ 2, 2, 2 ] ); */
t_1 = GF_CALL__WITH__CATCH;
t_2 = GC_range3;
CHECK_BOUND( t_2, "range3" )
t_3 = NEW_PLIST( T_PLIST, 3 );
SET_LEN_PLIST( t_3, 3 );
SET_ELM_PLIST( t_3, 1, INTOBJ_INT(2) );
SET_ELM_PLIST( t_3, 2, INTOBJ_INT(2) );
SET_ELM_PLIST( t_3, 3, INTOBJ_INT(2) );
CALL_2ARGS( t_1, t_2, t_3 );
/* Display( [ 2, 4 .. 6 ] ); */
t_1 = GF_Display;
t_2 = Range3Check( INTOBJ_INT(2), INTOBJ_INT(4), INTOBJ_INT(6) );
CALL_1ARGS( t_1, t_2 );
/* CALL_WITH_CATCH( range3, [ 2, 4, 7 ] ); */
t_1 = GF_CALL__WITH__CATCH;
t_2 = GC_range3;
CHECK_BOUND( t_2, "range3" )
t_3 = NEW_PLIST( T_PLIST, 3 );
SET_LEN_PLIST( t_3, 3 );
SET_ELM_PLIST( t_3, 1, INTOBJ_INT(2) );
SET_ELM_PLIST( t_3, 2, INTOBJ_INT(4) );
SET_ELM_PLIST( t_3, 3, INTOBJ_INT(7) );
CALL_2ARGS( t_1, t_2, t_3 );
/* Display( [ 2, 4 .. 2 ] ); */
t_1 = GF_Display;
t_2 = Range3Check( INTOBJ_INT(2), INTOBJ_INT(4), INTOBJ_INT(2) );
CALL_1ARGS( t_1, t_2 );
/* Display( [ 2, 4 .. 0 ] ); */
t_1 = GF_Display;
t_2 = Range3Check( INTOBJ_INT(2), INTOBJ_INT(4), INTOBJ_INT(0) );
CALL_1ARGS( t_1, t_2 );
/* CALL_WITH_CATCH( range3, [ 4, 2, 1 ] ); */
t_1 = GF_CALL__WITH__CATCH;
t_2 = GC_range3;
CHECK_BOUND( t_2, "range3" )
t_3 = NEW_PLIST( T_PLIST, 3 );
SET_LEN_PLIST( t_3, 3 );
SET_ELM_PLIST( t_3, 1, INTOBJ_INT(4) );
SET_ELM_PLIST( t_3, 2, INTOBJ_INT(2) );
SET_ELM_PLIST( t_3, 3, INTOBJ_INT(1) );
CALL_2ARGS( t_1, t_2, t_3 );
/* Display( [ 4, 2 .. 0 ] ); */
t_1 = GF_Display;
t_2 = Range3Check( INTOBJ_INT(4), INTOBJ_INT(2), INTOBJ_INT(0) );
CALL_1ARGS( t_1, t_2 );
/* Display( [ 4, 2 .. 8 ] ); */
t_1 = GF_Display;
t_2 = Range3Check( INTOBJ_INT(4), INTOBJ_INT(2), INTOBJ_INT(8) );
CALL_1ARGS( t_1, t_2 );
/* return; */
SWITCH_TO_OLD_FRAME(oldFrame);
return 0;
/* return; */
SWITCH_TO_OLD_FRAME(oldFrame);
return 0;
}
static void AssRecObject(Obj obj, UInt rnam, Obj val)
{
DoOperation3Args( AssRecOper, obj, INTOBJ_INT(rnam), val );
}
Obj FuncSTRING_MACFLOAT( Obj self, Obj f) /* backwards compatibility */
{
return FuncSTRING_DIGITS_MACFLOAT(self,INTOBJ_INT(PRINTFDIGITS),f);
}
UInt RNamNameWithLen(const Char * name, UInt len)
{
Obj rnam; /* record name (as imm intobj) */
UInt pos; /* hash position */
Char namx [1024]; /* temporary copy of <name> */
Obj string; /* temporary string object <name> */
Obj table; /* temporary copy of <HashRNam> */
Obj rnam2; /* one element of <table> */
UInt i; /* loop variable */
UInt sizeRNam;
if (len > 1023) {
// Note: We can't pass 'name' here, as it might get moved by garbage collection
ErrorQuit("Record names must consist of at most 1023 characters", 0, 0);
}
/* start looking in the table at the following hash position */
const UInt hash = HashString( name, len );
#ifdef HPCGAP
HPC_LockNames(0); /* try a read lock first */
#endif
/* look through the table until we find a free slot or the global */
sizeRNam = LEN_PLIST(HashRNam);
pos = (hash % sizeRNam) + 1;
while ( (rnam = ELM_PLIST( HashRNam, pos )) != 0
&& !EqString( NAME_RNAM( INT_INTOBJ(rnam) ), name, len ) ) {
pos = (pos % sizeRNam) + 1;
}
if (rnam != 0) {
#ifdef HPCGAP
HPC_UnlockNames();
#endif
return INT_INTOBJ(rnam);
}
#ifdef HPCGAP
if (!PreThreadCreation) {
HPC_UnlockNames(); /* switch to a write lock */
HPC_LockNames(1);
/* look through the table until we find a free slot or the global */
sizeRNam = LEN_PLIST(HashRNam);
pos = (hash % sizeRNam) + 1;
while ( (rnam = ELM_PLIST( HashRNam, pos )) != 0
&& !EqString( NAME_RNAM( INT_INTOBJ(rnam) ), name, len ) ) {
pos = (pos % sizeRNam) + 1;
}
}
if (rnam != 0) {
HPC_UnlockNames();
return INT_INTOBJ(rnam);
}
#endif
/* if we did not find the global variable, make a new one and enter it */
/* (copy the name first, to avoid a stale pointer in case of a GC) */
memcpy( namx, name, len );
namx[len] = 0;
string = MakeImmString(namx);
const UInt countRNam = PushPlist(NamesRNam, string);
rnam = INTOBJ_INT(countRNam);
SET_ELM_PLIST( HashRNam, pos, rnam );
/* if the table is too crowded, make a larger one, rehash the names */
if ( sizeRNam < 3 * countRNam / 2 ) {
table = HashRNam;
sizeRNam = 2 * sizeRNam + 1;
HashRNam = NEW_PLIST( T_PLIST, sizeRNam );
SET_LEN_PLIST( HashRNam, sizeRNam );
#ifdef HPCGAP
/* The list is briefly non-public, but this is safe, because
* the mutex protects it from being accessed by other threads.
*/
MakeBagPublic(HashRNam);
#endif
for ( i = 1; i <= (sizeRNam-1)/2; i++ ) {
rnam2 = ELM_PLIST( table, i );
if ( rnam2 == 0 ) continue;
string = NAME_RNAM( INT_INTOBJ(rnam2) );
pos = HashString( CONST_CSTR_STRING( string ), GET_LEN_STRING( string) );
pos = (pos % sizeRNam) + 1;
while ( ELM_PLIST( HashRNam, pos ) != 0 ) {
pos = (pos % sizeRNam) + 1;
}
SET_ELM_PLIST( HashRNam, pos, rnam2 );
}
}
#ifdef HPCGAP
HPC_UnlockNames();
#endif
/* return the record name */
return INT_INTOBJ(rnam);
}
Obj CollectPolycyc (
Obj pcp,
Obj list,
Obj word )
{
Int ngens = INT_INTOBJ( ADDR_OBJ(pcp)[ PC_NUMBER_OF_GENERATORS ] );
Obj commute = ADDR_OBJ(pcp)[ PC_COMMUTE ];
Obj gens = ADDR_OBJ(pcp)[ PC_GENERATORS ];
Obj igens = ADDR_OBJ(pcp)[ PC_INVERSES ];
Obj pow = ADDR_OBJ(pcp)[ PC_POWERS ];
Obj ipow = ADDR_OBJ(pcp)[ PC_INVERSEPOWERS ];
Obj exp = ADDR_OBJ(pcp)[ PC_EXPONENTS ];
Obj wst = ADDR_OBJ(pcp)[ PC_WORD_STACK ];
Obj west = ADDR_OBJ(pcp)[ PC_WORD_EXPONENT_STACK ];
Obj sst = ADDR_OBJ(pcp)[ PC_SYLLABLE_STACK ];
Obj est = ADDR_OBJ(pcp)[ PC_EXPONENT_STACK ];
Obj conj=0, iconj=0; /*QQ initialize to please compiler */
Int st, bottom = INT_INTOBJ( ADDR_OBJ(pcp)[ PC_STACK_POINTER ] );
Int g, syl, h, hh;
Obj e, ee, ge, mge, we, s, t;
Obj w, x = (Obj)0, y = (Obj)0;
if( LEN_PLIST(word) == 0 ) return (Obj)0;
if( LEN_PLIST(list) < ngens ) {
ErrorQuit( "vector too short", 0L, 0L );
return (Obj)0;
}
if( LEN_PLIST(word) % 2 != 0 ) {
ErrorQuit( "Length of word odd", 0L, 0L );
return (Obj)0;
}
st = bottom;
PUSH_STACK( word, INTOBJ_INT(1) );
while( st > bottom ) {
w = ELM_PLIST( wst, st );
syl = INT_INTOBJ( ELM_PLIST( sst, st ) );
g = INT_INTOBJ( ELM_PLIST( w, syl ) );
if( st > bottom+1 && syl==1 && g == GET_COMMUTE(g) ) {
/* Collect word^exponent in one go. */
e = ELM_PLIST( west, st );
/* Add in. */
AddIn( list, w, e );
/* Reduce. */
for( h = g; h <= ngens; h++ ) {
s = ELM_PLIST( list, h );
if( IS_INT_ZERO( s ) ) continue;
y = (Obj)0;
if( (e = GET_EXPONENT( h )) != (Obj)0 ) {
if( !LtInt( s, e ) ) {
t = ModInt( s, e );
SET_ELM_PLIST( list, h, t ); CHANGED_BAG( list );
if( (y = GET_POWER( h )) ) e = QuoInt( s, e );
}
else if( LtInt( s, INTOBJ_INT(0) ) ) {
t = ModInt( s, e );
SET_ELM_PLIST( list, h, t ); CHANGED_BAG( list );
if( (y = GET_IPOWER( h )) ) {
e = QuoInt( s, e );
if( !IS_INT_ZERO( t ) ) e = DiffInt( e, INTOBJ_INT(1) );
e = AInvInt(e);
}
}
}
if( y != (Obj)0 ) AddIn( list, y, e );
}
st--;
}
else {
if( g == GET_COMMUTE( g ) ) {
s = ELM_PLIST( list, g );
t = ELM_PLIST( est, st );
C_SUM_FIA( ge, s, t );
SET_ELM_PLIST( est, st, INTOBJ_INT(0) );
}
else {
/* Assume that the top of the exponent stack is non-zero. */
e = ELM_PLIST( est, st );
if( LtInt( INTOBJ_INT(0), e ) ) {
C_DIFF_FIA( ee, e, INTOBJ_INT(1) ); e = ee;
SET_ELM_PLIST( est, st, e );
conj = ADDR_OBJ(pcp)[PC_CONJUGATES];
iconj = ADDR_OBJ(pcp)[PC_INVERSECONJUGATES];
C_SUM_FIA( ge, ELM_PLIST( list, g ), INTOBJ_INT(1) );
}
else {
C_SUM_FIA( ee, e, INTOBJ_INT(1) ); e = ee;
SET_ELM_PLIST( est, st, e );
conj = ADDR_OBJ(pcp)[PC_CONJUGATESINVERSE];
iconj = ADDR_OBJ(pcp)[PC_INVERSECONJUGATESINVERSE];
C_DIFF_FIA( ge, ELM_PLIST( list, g ), INTOBJ_INT(1) );
}
}
SET_ELM_PLIST( list, g, ge ); CHANGED_BAG( list );
/* Reduce the exponent. We delay putting the power onto the
stack until all the conjugates are on the stack. The power is
stored in y, its exponent in ge. */
y = (Obj)0;
if( (e = GET_EXPONENT( g )) ) {
if( !LtInt( ge, e ) ) {
mge = ModInt( ge, e );
SET_ELM_PLIST( list, g, mge ); CHANGED_BAG( list );
if( (y = GET_POWER( g )) ) ge = QuoInt( ge, e );
}
else if( LtInt( ge, INTOBJ_INT(0) ) ) {
mge = ModInt( ge, e );
SET_ELM_PLIST( list, g, mge ); CHANGED_BAG( list );
if( (y = GET_IPOWER( g )) ) {
ge = QuoInt( ge, e );
if( !IS_INT_ZERO( mge ) )
ge = DiffInt( ge, INTOBJ_INT(1) );
ge = AInvInt(ge);
}
}
}
hh = h = GET_COMMUTE( g );
/* Find the place where we start to collect. */
for( ; h > g; h-- ) {
e = ELM_PLIST( list, h );
if( !IS_INT_ZERO(e) ) {
if( LtInt( INTOBJ_INT(0), e ) ) {
if( GET_CONJ( h, g ) ) break;
}
else {
if( GET_ICONJ( h, g ) ) break;
}
}
}
/* Put those onto the stack, if necessary. */
if( h > g || y != (Obj)0 )
for( ; hh > h; hh-- ) {
e = ELM_PLIST( list, hh );
if( !IS_INT_ZERO(e) ) {
SET_ELM_PLIST( list, hh, INTOBJ_INT(0) );
if( LtInt( INTOBJ_INT(0), e ) ) {
x = ELM_PLIST( gens, hh );
}
else {
x = ELM_PLIST( igens, hh );
C_PROD_FIA( ee, e, INTOBJ_INT(-1) ); e = ee;
}
PUSH_STACK( x, e );
}
}
for( ; h > g; h-- ) {
e = ELM_PLIST( list, h );
if( !IS_INT_ZERO(e) ) {
SET_ELM_PLIST( list, h, INTOBJ_INT(0) );
x = (Obj)0;
if( LtInt( INTOBJ_INT(0), e ) ) x = GET_CONJ( h, g );
else x = GET_ICONJ( h, g );
if( x == (Obj)0 ) {
if( LtInt( INTOBJ_INT(0), e ) ) x = ELM_PLIST( gens, h );
else x = ELM_PLIST( igens, h );
}
if( LtInt( e, INTOBJ_INT(0) ) ) {
C_PROD_FIA( ee, e, INTOBJ_INT(-1) ); e = ee;
}
PUSH_STACK( x, e );
}
}
if( y != (Obj)0 ) PUSH_STACK( y, ge );
}
while( st > bottom && IS_INT_ZERO( ELM_PLIST( est, st ) ) ) {
w = ELM_PLIST( wst, st );
syl = INT_INTOBJ( ELM_PLIST( sst, st ) ) + 2;
if( syl > LEN_PLIST( w ) ) {
we = DiffInt( ELM_PLIST( west, st ), INTOBJ_INT(1) );
if( EqInt( we, INTOBJ_INT(0) ) ) { st--; }
else {
SET_ELM_PLIST( west, st, we );
SET_ELM_PLIST( sst, st, INTOBJ_INT(1) );
SET_ELM_PLIST( est, st, ELM_PLIST( w, 2 ) );
CHANGED_BAG( west ); CHANGED_BAG( est );
}
}
else {
SET_ELM_PLIST( sst, st, INTOBJ_INT(syl) );
SET_ELM_PLIST( est, st, ELM_PLIST( w, syl+1 ));
CHANGED_BAG( est );
}
}
}
ADDR_OBJ(pcp)[ PC_STACK_POINTER ] = INTOBJ_INT( bottom );
return (Obj)0;
}
