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# SPDX-License-Identifier: GPL-2.0-or-later
# Gauss: Extended Gauss functionality for GAP
#
# Declarations
#
## Declaration stuff for the Category IsSparseMatrix of sparse matrices.
##
DeclareCategory( "IsSparseMatrix",
IsAttributeStoringRep );
DeclareGlobalFunction( "SparseMatrix" );
DeclareOperation( "ConvertSparseMatrixToMatrix",
[ IsSparseMatrix ] );
DeclareOperation( "CopyMat",
[ IsSparseMatrix ] );
DeclareOperation( "GetEntry",
[ IsSparseMatrix, IsInt, IsInt ] );
DeclareOperation( "SetEntry",
[ IsSparseMatrix, IsInt, IsInt, IsRingElement ] );
DeclareOperation( "AddToEntry",
[ IsSparseMatrix, IsInt, IsInt, IsRingElement ] );
DeclareOperation( "FindRing",
[ IsList ] );
DeclareGlobalFunction( "SparseZeroMatrix" );
DeclareGlobalFunction( "SparseIdentityMatrix" );
DeclareOperation( "TransposedSparseMat",
[ IsSparseMatrix ] );
DeclareOperation( "CertainRows",
[ IsSparseMatrix, IsList ] );
DeclareOperation( "CertainColumns",
[ IsSparseMatrix, IsList ] );
DeclareOperation( "SparseUnionOfRows",
[ IsList ] );
DeclareOperation( "SparseUnionOfColumns",
[ IsList ] );
DeclareGlobalFunction( "SparseDiagMat" );
DeclareOperation( "*",
[ IsSparseMatrix, IsRingElement ] );
DeclareOperation( "*",
[ IsRingElement, IsSparseMatrix ] );
DeclareOperation( "*",
[ IsSparseMatrix, IsSparseMatrix ] );
DeclareOperation( "+",
[ IsSparseMatrix, IsSparseMatrix ] );
DeclareOperation( "-",
[ IsSparseMatrix, IsSparseMatrix ] );
DeclareOperation( "Nrows",
[ IsSparseMatrix ] );
DeclareOperation( "Ncols",
[ IsSparseMatrix ] );
DeclareOperation( "IndicesOfSparseMatrix",
[ IsSparseMatrix ] );
DeclareOperation( "EntriesOfSparseMatrix",
[ IsSparseMatrix ] );
DeclareOperation( "RingOfDefinition",
[ IsSparseMatrix ] );
DeclareOperation( "IsSparseZeroMatrix",
[ IsSparseMatrix ] );
DeclareOperation( "IsSparseIdentityMatrix",
[ IsSparseMatrix ] );
DeclareOperation( "IsSparseDiagonalMatrix",
[ IsSparseMatrix ] );
DeclareOperation( "SparseKroneckerProduct",
[ IsSparseMatrix, IsSparseMatrix ] );
DeclareOperation( "SparseDualKroneckerProduct",
[ IsSparseMatrix, IsSparseMatrix ] );
DeclareOperation( "SparseZeroRows",
[ IsSparseMatrix ] );
DeclareOperation( "SparseZeroColumns",
[ IsSparseMatrix ] );
DeclareOperation( "MultRow",
[ IsList, IsList, IsRingElement ] );
DeclareOperation( "AddRow",
[ IsList, IsList, IsList, IsList ] );
DeclareOperation( "IsRowOfSparseMatrix",
[ IsSparseMatrix, IsSparseMatrix ] );
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