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//------------------------------------------------------------------------------
// GB_aliased.h: definitions for aliased and shallow matrices
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
#ifndef GB_ALIASED_H
#define GB_ALIASED_H
// GraphBLAS allows all inputs to all user-accessible objects to be aliased, as
// in GrB_mxm (C, C, accum, C, C, ...), which is valid. Internal routines are
// more restrictive.
// GB_aliased also checks the content of A and B
GB_PUBLIC
bool GB_aliased // determine if A and B are aliased
(
GrB_Matrix A, // input A matrix
GrB_Matrix B // input B matrix
) ;
// matrices returned to the user are never shallow; internal matrices may be
GB_PUBLIC
bool GB_is_shallow // true if any component of A is shallow
(
GrB_Matrix A // matrix to query
) ;
#endif
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