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//------------------------------------------------------------------------------
// GxB_Matrix_concat: concatenate an array of matrices into a single matrix
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2025, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
#include "concat/GB_concat.h"
GrB_Info GxB_Matrix_concat // concatenate a 2D array of matrices
(
GrB_Matrix C, // input/output matrix for results
const GrB_Matrix *Tiles, // 2D row-major array of size m-by-n
const uint64_t m,
const uint64_t n,
const GrB_Descriptor desc // unused, except threading control
)
{
//--------------------------------------------------------------------------
// check inputs
//--------------------------------------------------------------------------
GB_RETURN_IF_NULL (C) ;
GB_RETURN_IF_NULL (Tiles) ;
GB_RETURN_IF_OUTPUT_IS_READONLY (C) ;
GB_WHERE1 (C, "GxB_Matrix_concat (C, Tiles, m, n, desc)") ;
GB_BURBLE_START ("GxB_Matrix_concat") ;
if (m <= 0 || n <= 0)
{
GB_ERROR (GrB_INVALID_VALUE, "m (" GBd ") and n (" GBd ") must be > 0",
m, n) ;
}
// get the descriptor
GB_GET_DESCRIPTOR (info, desc, xx1, xx2, xx3, xx4, xx5, xx6, xx7) ;
//--------------------------------------------------------------------------
// C = concatenate (Tiles)
//--------------------------------------------------------------------------
info = GB_concat (C, Tiles, m, n, Werk) ;
GB_BURBLE_END ;
return (info) ;
}
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