/usr/share/gap/pkg/ctbllib/gap4/test.gd is in gap-character-tables 1r1p3-5.
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##
#W test.gd GAP character table library Thomas Breuer
##
#H @(#)$Id: test.gd,v 1.14 2004/02/18 17:49:56 gap Exp $
##
#Y Copyright (C) 2002, Lehrstuhl D fuer Mathematik, RWTH Aachen, Germany
##
## This file contains the declaration of functions to test the data
## available in the {\GAP} Character Table Library.
##
Revision.( "ctbllib/gap4/test_gd" ) :=
"@(#)$Id: test.gd,v 1.14 2004/02/18 17:49:56 gap Exp $";
#############################################################################
##
#F CTblLibTestMax( )
#F CTblLibTestMax( <tblname> )
##
## First suppose that `CTblLibTestMax' is called with one
## argument <tblname>,
## which is an admissible name of the form `<grpname>M<p>'.
## Then it is checked whether a fusion from the table with name <tblname>
## into the table with name <grpname> is stored.
##
## If no argument is given then all admissible character table names are
## checked with the one argument version.
##
## In all cases, the return value is `false' if an error occurred,
## and `true' otherwise.
##
DeclareGlobalFunction( "CTblLibTestMax" );
#############################################################################
##
#F CTblLibTestSylowNormalizers( )
#F CTblLibTestSylowNormalizers( <tblname> )
##
## First suppose that `CTblLibTestSylowNormalizers' is called with one
## argument <tblname>,
## which is an admissible name of the form `<grpname>N<p>'.
## Then it is checked whether the Sylow <p> subgroup of the table with name
## <tblname> is a nontrivial normal subgroup, and whether the order of the
## Sylow <p> subgroup coincides with that in the table for <grpname>.
## If the Sylow <p> subgroup is cyclic then it is additionally checked
## whether the order of the group of <tblname> equals the order of the
## Sylow <p> normalizer.
##
## If no argument is given then all admissible character table names are
## checked with the one argument version.
##
## In all cases, the return value is `false' if an error occurred,
## and `true' otherwise.
##
DeclareGlobalFunction( "CTblLibTestSylowNormalizers" );
#############################################################################
##
#F CTblLibTestElementCentralizers( )
#F CTblLibTestElementCentralizers( <tblname> )
##
## First suppose that `CTblLibTestElementCentralizers' is called with one
## argument <tblname>,
## which is an admissible name of the form `<grpname>C<nam>',
## where <nam> is a classname of the table with the name <grpname>.
## Then it is checked whether a reasonable subgroup fusion from the table
## with the name <tblname> to the table with the name <grpname> is stored,
## and whether <tblname> can describe the full centralizer of the class
## <nam> in the table with the name <grpname>.
## Independent of the structure of <tblname>, it is checked for all subgroup
## fusions from the character table with name <tblname> into other tables
## whether the subgroup table is the full centralizer of an element in the
## supergroup table, and if yes whether this table has an admissible name
## that expresses this.
##
## If no argument is given then all admissible character table names are
## checked with the one argument version.
##
## In all cases, the return value is `false' if an error occurred,
## and `true' otherwise.
##
DeclareGlobalFunction( "CTblLibTestElementCentralizers" );
#############################################################################
##
#F CTblLibTestElementNormalizers( )
#F CTblLibTestElementNormalizers( <tblname> )
##
## First suppose that `CTblLibTestElementNormalizers' is called with one
## argument <tblname>,
## which is an admissible name of the form `<grpname>N<nam>',
## where <nam> is a classname of the table with the name <grpname>.
## Then it is checked whether a reasonable subgroup fusion from the table
## with the name <tblname> to the table with the name <grpname> is stored,
## and whether <tblname> can describe the full normalizer of the class
## <nam> in the table with the name <grpname>.
## Independent of the structure of <tblname>, it is checked for all subgroup
## fusions from the character table with name <tblname> into other tables
## whether the subgroup table is the full normalizer of an element in the
## supergroup table, and if yes whether this table has an admissible name
## that expresses this.
##
## If no argument is given then all admissible character table names are
## checked with the one argument version.
##
## In all cases, the return value is `false' if an error occurred,
## and `true' otherwise.
##
DeclareGlobalFunction( "CTblLibTestElementNormalizers" );
#############################################################################
##
#V CTblLibHardFusions
##
## `CTblLibHardFusions' is a list of pairs `[ <subname>, <tblname> ]'
## where <subname> and <tblname> are `Identifier' values of character
## tables such that `CTblLibTestSubgroupFusion' shall omit the compatibility
## check for the class fusion between these tables.
##
DeclareGlobalVariable( "CTblLibHardFusions" );
#############################################################################
##
#F CTblLibTestDecompositions( <sub>, <fuslist>, <tbl> )
##
## Let <sub> and <tbl> be ordinary character tables, and <fuslist> a list of
## possible class fusions from <sub> to <tbl>.
##
## `CTblLibTestDecompositions' returns the set of all those entries in
## <fuslist> such that for all available $p$-modular Brauer tables of <sub>
## and <tbl>, the $p$-modular Brauer characters of <tbl> decompose into
## $p$-modular Brauer characters of <sub>.
##
DeclareGlobalFunction( "CTblLibTestDecompositions" );
#############################################################################
##
#F CTblLibTestSubgroupFusion( <sub>, <tbl> )
#F CTblLibTestSubgroupFusion( <sub>, <tbl>, <statistics> )
##
## If no class fusion from <sub> to <tbl> is possible or if the possible
## class fusions contradict the stored fusion then `false' is returned.
## If a fusion is stored and is compatible with the possible fusions,
## and the fusion is not unique up to table automorphisms and if the stored
## fusion has no `text' component then `fail' is returned.
## Otherwise the fusion record is returned.
##
## If the pair of identifiers of <sub> and <tbl> occurs in the global list
## `CTblLibHardFusions' amd if a fusion is stored then the fusion record is
## returned without tests, and a message is printed.
##
## If <statistics> is a list then statistics information bout the fusion is
## added to it, otherwise <statistics> is ignored.
##
DeclareGlobalFunction( "CTblLibTestSubgroupFusion" );
#############################################################################
##
#F CTblLibTestFactorFusion( <tbl>, <fact> )
##
## If no class fusion from <tbl> onto <fact> is possible or if the possible
## factor fusions contradict the stored fusion then `false' is returned.
## If a fusion is stored and is compatible with the possible fusions,
## and the fusion is not unique up to table automorphisms and if the stored
## fusion has no `text' component then `fail' is returned.
## Otherwise the fusion record is returned.
##
DeclareGlobalFunction( "CTblLibTestFactorFusion" );
#############################################################################
##
#F CTblLibTestFusions( <statistics> )
#F CTblLibTestFusions( <tblname>, <statistics> )
##
## First suppose that `CTblLibTestFusions' is called with two
## arguments <tblname>, which is an admissible name of a character table,
## and <statistics>, which may be any object.
## Then it is checked whether the subgroup and factor fusions stored on the
## table can be correct; for subgroup fusions, this means that the target
## table exists, that the stored fusion map is among the possible class
## fusions computed with `PossibleClassFusions'
## (see~"ref:PossibleClassFusions" in the {\GAP} Reference Manual),
## that a `text' component is stored whenever the fusion map is not unique
## up to table automorphisms, and that stored `text' components are
## compatible with the possible class fusions.
##
## If <statistics> is a list then for all subgroup fusions that are
## recomputed, statistics information is added to <statistics>.
##
## If only one argument <statistics> is given then all standard character
## table names are checked with the two argument version, where <statistics>
## is the second argument in each call.
##
## In all cases, the return value is `false' if an error occurred,
## and `true' otherwise.
##
DeclareGlobalFunction( "CTblLibTestFusions" );
#############################################################################
##
#F CTblLibTestPowerMaps( )
#F CTblLibTestPowerMaps( <tblname> )
##
## First suppose that `CTblLibTestPowerMaps' is called with one
## argument <tblname>, which is an admissible name of a character table.
## Then it is checked whether all power maps of prime divisors of the group
## order are stored on the table, and whether they are correct.
## (This includes the information about uniqueness of the power maps.)
##
## If no argument is given then all standard character table names are
## checked with the one argument version.
##
## In all cases, the return value is `false' if an error occurred,
## and `true' otherwise.
##
DeclareGlobalFunction( "CTblLibTestPowerMaps" );
#############################################################################
##
#F CTblLibTestTensorDecomposition( <ordname>, <p> )
##
## to be used only if new Brauer tables are added!
##
DeclareGlobalFunction( "CTblLibTestTensorDecomposition" );
#############################################################################
##
#F CTblLibTestInfoText()
#F CTblLibTestInfoText( <tblname> )
##
## Currently it is not recommended to use the `InfoText' (see~"ref:InfoText"
## in the {\GAP} Reference Manual) value of character tables
## programmatically.
## However, one can rely on the following structure of the `InfoText' value
## of tables in the {\GAP} Character Table Library.
##
## The value is a string consisting of `\\n' separated lines.
##
## If a line of the form ``maximal subgroup of <grpname>,'' occurs,
## where <grpname> is the name of a character table, then a class fusion
## from the table in question to that with name <grpname> is stored;
## the terminating comma can be missing if the line is the last of the
## `InfoText' value.
## If a line of the form ``<n>th maximal subgroup of <grpname>,'' occurs
## then the table with name <grpname> has a `Maxes' value (see~"ref:Maxes"
## in the {\GAP} Reference Manual) in which the given character table is
## referenced in position <n>.
#T <n>st, <n>nd, <n>rd !!
#T <n>th and <m>th ??
#T ...<n>th maximal subgroup of ... group <grpname>... ??
##
DeclareGlobalFunction( "CTblLibTestInfoText" );
#############################################################################
##
#V CTblLibHardTableAutomorphisms
##
## `CTblLibHardTableAutomorphisms' is a list of `Identifier' values of
## character tables such that `CTblLibTestTableAutomorphisms' shall omit the
## check for these tables.
##
DeclareGlobalVariable( "CTblLibHardTableAutomorphisms" );
#############################################################################
##
#F CTblLibTestTableAutomorphisms( [<tblname>] )
##
DeclareGlobalFunction( "CTblLibTestTableAutomorphisms" );
#############################################################################
##
#V CTblLibTestConstructionsFunctions
##
DeclareGlobalVariable( "CTblLibTestConstructionsFunctions" );
#############################################################################
##
#F CTblLibTestConstructions()
#F CTblLibTestConstructions( <tblname> )
##
DeclareGlobalFunction( "CTblLibTestConstructions" );
#T test mapping to tomlib:
#T do all table names and tom names exist?
#############################################################################
##
#E
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