edu.jas.poly
Class GenPolynomialTokenizer

java.lang.Object
  edu.jas.poly.GenPolynomialTokenizer

public class GenPolynomialTokenizer
extends java.lang.Object

GenPolynomial Tokenizer. Used to read rational polynomials and lists from input streams.

Author:

Heinz Kredel

Constructor Summary

GenPolynomialTokenizer()
noargs constructor reads from System.in.

GenPolynomialTokenizer(GenPolynomialRing rf, java.io.Reader r)
constructor with Ring and Reader.

GenPolynomialTokenizer(java.io.Reader r)
constructor with Reader.

Method Summary

void	initFactory(RingFactory rf, edu.jas.poly.GenPolynomialTokenizer.coeffType ct) initialize coefficient and polynomial factories.
void	initSolvableFactory(RingFactory rf, edu.jas.poly.GenPolynomialTokenizer.coeffType ct) initialize coefficient and solvable polynomial factories.
RingFactory	nextCoefficientRing() parsing method for coefficient ring.
void	nextComma()
java.lang.String	nextComment() parsing method for comments.
long	nextExponent() parsing method for exponent (of variable).
GenPolynomial	nextPolynomial() parsing method for GenPolynomial.
java.util.List<GenPolynomial>	nextPolynomialList() parsing method for polynomial list.
PolynomialList	nextPolynomialSet() parsing method for polynomial set.
void	nextRelationTable() parsing method for solvable polynomial relation table.
GenSolvablePolynomial	nextSolvablePolynomial() parsing method for solvable polynomial.
java.util.List<GenSolvablePolynomial>	nextSolvablePolynomialList() parsing method for solvable polynomial list.
PolynomialList	nextSolvablePolynomialSet() parsing method for solvable polynomial set.
java.util.List<java.util.List<GenSolvablePolynomial>>	nextSolvableSubModuleList() parsing method for solvable submodule list.
ModuleList	nextSolvableSubModuleSet() parsing method for solvable module set.
int	nextSplitIndex() parsing method for split index.
java.util.List<java.util.List<GenPolynomial>>	nextSubModuleList() parsing method for submodule list.
ModuleList	nextSubModuleSet() parsing method for module set.
TermOrder	nextTermOrder() parsing method for term order name.
java.lang.String[]	nextVariableList() parsing method for variable list.
long[][]	nextWeightArray() parsing method for weight array.
long[]	nextWeightList() parsing method for weight list.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

GenPolynomialTokenizer

public GenPolynomialTokenizer()

noargs constructor reads from System.in.

GenPolynomialTokenizer

public GenPolynomialTokenizer(GenPolynomialRing rf,
                              java.io.Reader r)

constructor with Ring and Reader.

Parameters:

rf - ring factory.

r - reader stream.

GenPolynomialTokenizer

public GenPolynomialTokenizer(java.io.Reader r)

constructor with Reader.

Parameters:

r - reader stream.

Method Detail

initFactory

public void initFactory(RingFactory rf,
                        edu.jas.poly.GenPolynomialTokenizer.coeffType ct)

initialize coefficient and polynomial factories.

Parameters:

rf - ring factory.

ct - coefficient type.

initSolvableFactory

public void initSolvableFactory(RingFactory rf,
                                edu.jas.poly.GenPolynomialTokenizer.coeffType ct)

initialize coefficient and solvable polynomial factories.

Parameters:

rf - ring factory.

ct - coefficient type.

nextPolynomial

public GenPolynomial nextPolynomial()
                             throws java.io.IOException

parsing method for GenPolynomial. syntax ? (simple)

Throws:

java.io.IOException

Returns:

the next polynomial.

nextExponent

public long nextExponent()
                  throws java.io.IOException

parsing method for exponent (of variable). syntax: ^long | **long.

Throws:

java.io.IOException

Returns:

the next exponent or 1.

nextComment

public java.lang.String nextComment()
                             throws java.io.IOException

parsing method for comments. syntax: (* comment *) | /_* comment *_/ without _ Does not work with this pushBack(), unused.

Throws:

java.io.IOException

nextVariableList

public java.lang.String[] nextVariableList()
                                    throws java.io.IOException

parsing method for variable list. syntax: (a, b c, de) gives [ "a", "b", "c", "de" ]

Throws:

java.io.IOException

Returns:

the next variable list.

nextCoefficientRing

public RingFactory nextCoefficientRing()
                                throws java.io.IOException

parsing method for coefficient ring. syntax: Rat | Q | Int | Z | Mod modul | Complex | C | Quat | AN[ (var) ( poly ) | AN[ modul (var) ( poly ) ] | RatFunc (var_list) | ModFunc modul (var_list) | IntFunc (var_list)

Throws:

java.io.IOException

Returns:

the next coefficient factory.

nextWeightList

public long[] nextWeightList()
                      throws java.io.IOException

parsing method for weight list. syntax: (w1, w2, w3, ..., wn)

Throws:

java.io.IOException

Returns:

the next weight list.

nextWeightArray

public long[][] nextWeightArray()
                         throws java.io.IOException

parsing method for weight array. syntax: ( (w11, ...,w1n), ..., (wm1, ..., wmn) )

Throws:

java.io.IOException

Returns:

the next weight array.

nextSplitIndex

public int nextSplitIndex()
                   throws java.io.IOException

parsing method for split index. syntax: |i|

Throws:

java.io.IOException

Returns:

the next split index.

nextTermOrder

public TermOrder nextTermOrder()
                        throws java.io.IOException

parsing method for term order name. syntax: termOrderName = L, IL, LEX, G, IG, GRLEX, W(weights) |split index|

Throws:

java.io.IOException

Returns:

the next term order.

nextPolynomialList

public java.util.List<GenPolynomial> nextPolynomialList()
                                                 throws java.io.IOException

parsing method for polynomial list. syntax: ( p1, p2, p3, ..., pn )

Throws:

java.io.IOException

Returns:

the next polynomial list.

nextSubModuleList

public java.util.List<java.util.List<GenPolynomial>> nextSubModuleList()
                                                                throws java.io.IOException

parsing method for submodule list. syntax: ( ( p11, p12, p13, ..., p1n ), ..., ( pm1, pm2, pm3, ..., pmn ) )

Throws:

java.io.IOException

Returns:

the next list of polynomial lists.

nextRelationTable

public void nextRelationTable()
                       throws java.io.IOException

parsing method for solvable polynomial relation table. syntax: ( p_1, p_2, p_3, ..., p_{n+3} ) semantics: p_{n+1} * p_{n+2} = p_{n+3} The next relation table is stored into the solvable polynomial factory.

Throws:

java.io.IOException

nextPolynomialSet

public PolynomialList nextPolynomialSet()
                                 throws java.io.IOException

parsing method for polynomial set. syntax: coeffRing varList termOrderName polyList.

Throws:

java.io.IOException

Returns:

the next polynomial set.

nextSubModuleSet

public ModuleList nextSubModuleSet()
                            throws java.io.IOException

parsing method for module set. syntax: coeffRing varList termOrderName moduleList.

Throws:

java.io.IOException

Returns:

the next module set.

nextSolvablePolynomialList

public java.util.List<GenSolvablePolynomial> nextSolvablePolynomialList()
                                                                 throws java.io.IOException

parsing method for solvable polynomial list. syntax: ( p1, p2, p3, ..., pn )

Throws:

java.io.IOException

Returns:

the next solvable polynomial list.

nextSolvablePolynomial

public GenSolvablePolynomial nextSolvablePolynomial()
                                             throws java.io.IOException

parsing method for solvable polynomial. syntax: p.

Throws:

java.io.IOException

Returns:

the next polynomial.

nextSolvablePolynomialSet

public PolynomialList nextSolvablePolynomialSet()
                                         throws java.io.IOException

parsing method for solvable polynomial set. syntax: varList termOrderName relationTable polyList.

Throws:

java.io.IOException

Returns:

the next solvable polynomial set.

nextSolvableSubModuleList

public java.util.List<java.util.List<GenSolvablePolynomial>> nextSolvableSubModuleList()
                                                                                throws java.io.IOException

parsing method for solvable submodule list. syntax: ( ( p11, p12, p13, ..., p1n ), ..., ( pm1, pm2, pm3, ..., pmn ) )

Throws:

java.io.IOException

Returns:

the next list of solvable polynomial lists.

nextSolvableSubModuleSet

public ModuleList nextSolvableSubModuleSet()
                                    throws java.io.IOException

parsing method for solvable module set. syntax: varList termOrderName relationTable moduleList.

Throws:

java.io.IOException

Returns:

the next solvable module set.

nextComma

public void nextComma()
               throws java.io.IOException

Throws:

java.io.IOException