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//------------------------------------------------------------------------------
// GB_mex_export: test import/export
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
#include "GB_mex.h"
#define USAGE "C = GB_mex_export (C, format, hyper, csc, dump, clear_nvec)"
// If Ap, Ah, etc are exported, then they are not NULL and not in the global
// memtable. If they are not exported, they are NULL, and are part of the
// matrix, and in the global memtable.
#define FREE_WORK \
{ \
GrB_Matrix_free_(&C) ; \
if (Ap != NULL) { mxFree (Ap) ; Ap = NULL ; } \
if (Ah != NULL) { mxFree (Ah) ; Ah = NULL ; } \
if (Ai != NULL) { mxFree (Ai) ; Ai = NULL ; } \
if (Aj != NULL) { mxFree (Aj) ; Aj = NULL ; } \
if (Ax != NULL) { mxFree (Ax) ; Ax = NULL ; } \
}
#define FREE_ALL \
{ \
FREE_WORK ; \
GB_mx_put_global (true) ; \
}
#define OK(method) \
{ \
info = method ; \
if (info != GrB_SUCCESS) \
{ \
if (dump) printf ("method fail %d: %d\n", __LINE__, info) ; \
FREE_WORK ; \
return (info) ; \
} \
}
GrB_Vector v = NULL ;
GrB_Matrix C = NULL ;
GrB_Index *Ap = NULL ;
GrB_Index *Ah = NULL ;
GrB_Index *Ai = NULL ;
GrB_Index *Aj = NULL ;
GrB_Index nrows = 0 ;
GrB_Index ncols = 0 ;
GrB_Index nvals = 0 ;
GrB_Index nvec = 0 ;
GrB_Index Ai_size = 0 ;
GrB_Index Ax_size = 0 ;
bool iso = false ;
GrB_Index Ap_size = 0 ;
GrB_Index Aj_size = 0 ;
GrB_Index Ah_size = 0 ;
int64_t ignore = -1 ;
char *Ax = NULL ;
int format = 0 ;
bool jumbled = false ;
bool is_hyper = false ;
bool clear_nvec = false ;
bool is_csc = true ;
GrB_Info info = GrB_SUCCESS ;
GrB_Descriptor desc = NULL ;
bool dump = true ;
GrB_Type type = NULL ;
size_t asize = 0 ;
GrB_Info import_export (void) ;
GrB_Info import_export2 (void) ;
//------------------------------------------------------------------------------
GrB_Info import_export ( )
{
OK (GB_Matrix_check (C, "C to export", GB0, stdout)) ;
//--------------------------------------------------------------------------
// export/import a vector
//--------------------------------------------------------------------------
if (GB_VECTOR_OK (C))
{
OK (GxB_Vector_export_CSC ((GrB_Vector *) (&C), &type, &nrows,
&Ai, (void **) &Ax, &Ai_size, &Ax_size, &iso,
&nvals, &jumbled, desc)) ;
OK (GxB_Type_size (&asize, type)) ;
if (dump)
{
printf ("export standard CSC vector: %llu-by-1, nvals %llu:\n",
nrows, nvals) ;
OK (GB_Type_check (type, "type", GxB_SUMMARY, stdout)) ;
GB_Type_code code = type->code ;
for (int64_t p = 0 ; p < nvals ; p++)
{
printf (" row %llu value ", Ai [p]) ;
GB_code_check (code, Ax + (iso ? 0:p)*asize, 5, stdout) ;
printf ("\n") ;
}
}
OK (GxB_Vector_import_CSC ((GrB_Vector *) (&C), type, nrows,
&Ai, (void **) &Ax, Ai_size, Ax_size, iso, nvals, jumbled, desc)) ;
return (GrB_SUCCESS) ;
}
//--------------------------------------------------------------------------
// export/import a matrix
//--------------------------------------------------------------------------
switch (format)
{
//----------------------------------------------------------------------
case 0 :
//----------------------------------------------------------------------
OK (GxB_Matrix_export_CSR (&C, &type, &nrows, &ncols,
&Ap, &Aj, (void **) &Ax, &Ap_size, &Aj_size, &Ax_size, &iso,
&jumbled, desc)) ;
OK (GxB_Type_size (&asize, type)) ;
nvec = nrows ;
if (dump)
{
printf ("\nexport standard CSR: %llu-by-%llu, Ax_size %llu:\n",
nrows, ncols, Ax_size) ;
OK (GB_Type_check (type, "type", GxB_SUMMARY, stdout));
GB_Type_code code = type->code ;
for (int64_t i = 0 ; i < nrows ; i++)
{
printf ("Row %lld\n", i) ;
for (int64_t p = Ap [i] ; p < Ap [i+1] ; p++)
{
printf (" col %llu value ", Aj [p]) ;
GB_code_check (code, Ax + (iso ? 0:p)*asize,
5, stdout) ;
printf ("\n") ;
}
}
}
OK (GxB_Matrix_import_CSR (&C, type, nrows, ncols,
&Ap, &Aj, (void **) &Ax, Ap_size, Aj_size, Ax_size, iso,
jumbled, desc)) ;
OK (GB_Matrix_check (C, "C reimported",
dump ? GxB_COMPLETE : GxB_SILENT, stdout)) ;
break ;
//----------------------------------------------------------------------
case 1 :
//----------------------------------------------------------------------
OK (GxB_Matrix_export_CSC (&C, &type, &nrows, &ncols,
&Ap, &Ai, (void **) &Ax, &Ap_size, &Ai_size, &Ax_size, &iso,
&jumbled, desc)) ;
nvec = ncols ;
OK (GxB_Type_size (&asize, type)) ;
if (dump)
{
printf ("\nexport standard CSC: %llu-by-%llu, Ax_size %llu:\n",
nrows, ncols, Ax_size) ;
OK (GB_Type_check (type, "type", GxB_SUMMARY, stdout));
GB_Type_code code = type->code ;
for (int64_t j = 0 ; j < ncols ; j++)
{
printf ("Col %lld\n", j) ;
for (int64_t p = Ap [j] ; p < Ap [j+1] ; p++)
{
printf (" row %llu value ", Ai [p]) ;
GB_code_check (code, Ax + (iso ? 0:p)*asize,
5, stdout) ;
printf ("\n") ;
}
}
}
OK (GxB_Matrix_import_CSC (&C, type, nrows, ncols,
&Ap, &Ai, (void **) &Ax, Ap_size, Ai_size, Ax_size, iso,
jumbled, desc)) ;
OK (GB_Matrix_check (C, "C reimported",
dump ? GxB_COMPLETE : GxB_SILENT, stdout)) ;
break ;
//----------------------------------------------------------------------
case 2 :
//----------------------------------------------------------------------
OK (GxB_Matrix_export_HyperCSR (&C, &type, &nrows, &ncols,
&Ap, &Ah, &Aj, (void **) &Ax,
&Ap_size, &Ah_size, &Aj_size, &Ax_size, &iso,
&nvec, &jumbled, desc)) ;
OK (GxB_Type_size (&asize, type)) ;
if (dump)
{
printf ("\nexport hyper CSR: %llu-by-%llu, Ax_size %llu, "
"nvec %llu:\n", nrows, ncols, Ax_size, nvec) ;
OK (GB_Type_check (type, "type", GxB_SUMMARY, stdout));
GB_Type_code code = type->code ;
for (int64_t k = 0 ; k < nvec ; k++)
{
int64_t i = Ah [k] ;
printf ("Row %lld\n", i) ;
for (int64_t p = Ap [k] ; p < Ap [k+1] ; p++)
{
printf (" col %llu value ", Aj [p]) ;
GB_code_check (code, Ax + (iso ? 0:p)*asize,
5, stdout) ;
printf ("\n") ;
}
}
}
OK (GxB_Matrix_import_HyperCSR (&C, type, nrows, ncols,
&Ap, &Ah, &Aj, (void **) &Ax,
Ap_size, Ah_size, Aj_size, Ax_size, iso,
nvec, jumbled, desc)) ;
OK (GB_Matrix_check (C, "C reimported",
dump ? GxB_COMPLETE : GxB_SILENT, stdout));
break ;
//----------------------------------------------------------------------
case 3 :
//----------------------------------------------------------------------
OK (GxB_Matrix_export_HyperCSC (&C, &type, &nrows, &ncols,
&Ap, &Ah, &Ai, (void **) &Ax,
&Ap_size, &Ah_size, &Ai_size, &Ax_size, &iso,
&nvec, &jumbled, desc)) ;
OK (GxB_Type_size (&asize, type)) ;
if (dump)
{
printf ("export hyper CSC: %llu-by-%llu, Ax_size %llu, "
"c %llu:\n", nrows, ncols, Ax_size, nvec) ;
OK (GB_Type_check (type, "type", GxB_SUMMARY, stdout));
GB_Type_code code = type->code ;
for (int64_t k = 0 ; k < nvec ; k++)
{
int64_t j = Ah [k] ;
printf ("Col %lld\n", j) ;
for (int64_t p = Ap [k] ; p < Ap [k+1] ; p++)
{
printf (" row %llu value ", Ai [p]) ;
GB_code_check (code, Ax + (iso ? 0:p)*asize,
5, stdout) ;
printf ("\n") ;
}
}
}
OK (GxB_Matrix_import_HyperCSC (&C, type, nrows, ncols,
&Ap, &Ah, &Ai, (void **) &Ax,
Ap_size, Ah_size, Ai_size, Ax_size, iso,
nvec, jumbled, desc)) ;
OK (GB_Matrix_check (C, "C reimported",
dump ? GxB_COMPLETE : GxB_SILENT, stdout)) ;
break ;
//----------------------------------------------------------------------
default :
//----------------------------------------------------------------------
mexErrMsgTxt ("bad format") ;
break ;
}
return (GrB_SUCCESS) ;
}
//------------------------------------------------------------------------------
GrB_Info import_export2 (void)
{
OK (import_export ( )) ;
OK (import_export ( )) ;
return (GrB_SUCCESS) ;
}
//------------------------------------------------------------------------------
void mexFunction
(
int nargout,
mxArray *pargout [ ],
int nargin,
const mxArray *pargin [ ]
)
{
bool malloc_debug = GB_mx_get_global (true) ;
// check inputs
if (nargout > 1 || nargin < 1 || nargin > 6)
{
mexErrMsgTxt ("Usage: " USAGE) ;
}
// get format for import/export
GET_SCALAR (1, int, format, 0) ;
// get hyper flag
GET_SCALAR (2, bool, is_hyper, false) ;
// get csc flag
GET_SCALAR (3, bool, is_csc, true) ;
// get dump flag
GET_SCALAR (4, bool, dump, false) ;
// get clear_nvec flag
GET_SCALAR (5, bool, clear_nvec, false) ;
// get C (make a deep copy)
#define GET_DEEP_COPY \
{ \
C = GB_mx_mxArray_to_Matrix (pargin [0], "C input", true, true) ; \
if (!is_csc) \
{ \
/* convert C to CSR */ \
GB_transpose_in_place (C, false, NULL) ; \
} \
if (is_hyper && !GB_IS_FULL (C)) \
{ \
/* convert C to hypersparse */ \
GB_convert_sparse_to_hyper (C, NULL) ; \
} \
}
#define FREE_DEEP_COPY GrB_Matrix_free_(&C) ;
GET_DEEP_COPY ;
if (C == NULL)
{
FREE_ALL ;
mexErrMsgTxt ("C failed") ;
}
// import/export
METHOD (import_export2 ( )) ;
// return C
pargout [0] = GB_mx_Matrix_to_mxArray (&C, "C export/import", false) ;
FREE_ALL ;
}
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