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//------------------------------------------------------------------------------
// GrB_Matrix_serializeSize: return an upper bound on the blob size
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2025, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
// GrB_Matrix_serialize and GxB_Matrix_serialize both serialize a GrB_Matrix
// into a blob of bytes. This function provides an estimate of the # of bytes
// the blob would have, assuming the default method and default # of threads,
// using the dryrun option in GB_serialize.
#include "GB.h"
#include "serialize/GB_serialize.h"
GrB_Info GrB_Matrix_serializeSize // estimate the size of a blob
(
// output:
uint64_t *blob_size_handle, // upper bound on the required size of the
// blob on output.
// input:
GrB_Matrix A // matrix to serialize
)
{
//--------------------------------------------------------------------------
// check inputs
//--------------------------------------------------------------------------
GB_RETURN_IF_NULL (blob_size_handle) ;
GB_RETURN_IF_NULL (A) ;
GB_WHERE_1 (A, "GrB_Matrix_serializeSize (&blob_size, A)") ;
GB_BURBLE_START ("GrB_Matrix_serialize") ;
// no descriptor, so assume the default method
int method = GxB_DEFAULT ;
// Werk will hold the default # of threads, which can be controlled
// by GxB_Global_Option_set.
//--------------------------------------------------------------------------
// serialize the matrix
//--------------------------------------------------------------------------
size_t blob_size ;
info = GB_serialize (NULL, &blob_size, A, method, Werk) ;
(*blob_size_handle) = (uint64_t) blob_size ;
GB_BURBLE_END ;
#pragma omp flush
return (info) ;
}
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