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|
//------------------------------------------------------------------------------
// GB_mex_export_import: export and then reimport a matrix
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
// format_matrix for matrices and vectors:
// case 1 : // standard CSR
// case 2 : // standard CSC
// case 3 : // hypersparse CSR
// case 4 : // hypersparse CSC
// case 5 : // bitmapR
// case 6 : // bitmapC
// case 7 : // FullR
// case 8 : // FullC
// case 9 : // to control == 11, then bitmap
// format_export: for export/import
// case 0 : // standard CSR
// case 1 : // standard CSC
// case 2 : // hypersparse CSR
// case 3 : // hypersparse CSC
// case 4 : // bitmapR
// case 5 : // bitmapC
// case 6 : // FullR
// case 7 : // FullC
// case 8 : // standard CSR, not jumbled
// case 9 : // standard CSC, not jumbled
// case 10 : // hypersparse CSR, not jumbled
// case 11 : // hypersparse CSC, not jumbled
// case 12 : // CSR using GrB_Matrix_export/import (matrices only)
// case 13 : // CSC using GrB_Matrix_export/import (matrices only)
// case 14 : // COO using GrB_Matrix_export/import (matrices only)
// case 15 : // FullR using GrB_Matrix_export/import (matrices only)
// case 16 : // FullC using GrB_Matrix_export/import (matrices only)
#include "GB_mex.h"
#define USAGE "C = GB_mex_export_import (A, format_matrix, format_export, mode)"
#define FREE_WORK \
{ \
if (Cp != NULL) { mxFree (Cp) ; Cp = NULL ; } \
if (Ch != NULL) { mxFree (Ch) ; Ch = NULL ; } \
if (Cb != NULL) { mxFree (Cb) ; Cb = NULL ; } \
if (Ci != NULL) { mxFree (Ci) ; Ci = NULL ; } \
if (Cx != NULL) { mxFree (Cx) ; Cx = NULL ; } \
GrB_Matrix_free_(&C) ; \
}
#define FREE_ALL \
{ \
FREE_WORK ; \
GrB_Matrix_free_(&A) ; \
GrB_Descriptor_free_(&desc) ; \
GB_mx_put_global (true) ; \
}
#define OK(method) \
{ \
info = method ; \
if (info != GrB_SUCCESS) \
{ \
FREE_WORK ; \
return (info) ; \
} \
}
GrB_Descriptor desc = NULL ;
GrB_Matrix A = NULL ;
GrB_Matrix C = NULL ;
GrB_Index *Cp = NULL, *Ch = NULL, *Ci = NULL, *Tp = NULL, *Ti = NULL ;
void *Cx = NULL, *Tx = NULL ;
int8_t *Cb = NULL ;
GB_Context Context = NULL ;
GrB_Index nvec = 0, nvals = 0, nrows = 0, ncols = 0 ;
GrB_Type type2 = NULL ;
GrB_Index nrows2, ncols2 ;
size_t typesize ;
GrB_Index Cp_size = 0, Tp_len = 0 ;
GrB_Index Ch_size = 0 ;
GrB_Index Cb_size = 0 ;
GrB_Index Ci_size = 0, Ti_len = 0 ;
GrB_Index Cx_size = 0, Tx_len = 0 ;
bool iso = false ;
int64_t ignore = -1 ;
bool jumbled = false ;
GrB_Type type = NULL ;
GrB_Info info = GrB_SUCCESS ;
GrB_Info export_import ( int format_matrix, int format_export) ;
GrB_Info vector_export_import ( int format_matrix, int format_export) ;
//------------------------------------------------------------------------------
// GB_exporter: export a matrix with GrB_Matrix_export_T
//------------------------------------------------------------------------------
static GrB_Info GB_exporter (GrB_Index *Ap, GrB_Index *Ai, void *Ax,
GrB_Index *Ap_len, GrB_Index *Ai_len, GrB_Index *Ax_len, GrB_Format format,
GrB_Matrix A)
{
switch (A->type->code)
{
case GB_BOOL_code : return (GrB_Matrix_export_BOOL_ (Ap, Ai, (bool *) Ax, Ap_len, Ai_len, Ax_len, format, A)) ;
case GB_INT8_code : return (GrB_Matrix_export_INT8_ (Ap, Ai, (int8_t *) Ax, Ap_len, Ai_len, Ax_len, format, A)) ;
case GB_INT16_code : return (GrB_Matrix_export_INT16_ (Ap, Ai, (int16_t *) Ax, Ap_len, Ai_len, Ax_len, format, A)) ;
case GB_INT32_code : return (GrB_Matrix_export_INT32_ (Ap, Ai, (int32_t *) Ax, Ap_len, Ai_len, Ax_len, format, A)) ;
case GB_INT64_code : return (GrB_Matrix_export_INT64_ (Ap, Ai, (int64_t *) Ax, Ap_len, Ai_len, Ax_len, format, A)) ;
case GB_UINT8_code : return (GrB_Matrix_export_UINT8_ (Ap, Ai, (uint8_t *) Ax, Ap_len, Ai_len, Ax_len, format, A)) ;
case GB_UINT16_code : return (GrB_Matrix_export_UINT16_(Ap, Ai, (uint16_t *) Ax, Ap_len, Ai_len, Ax_len, format, A)) ;
case GB_UINT32_code : return (GrB_Matrix_export_UINT32_(Ap, Ai, (uint32_t *) Ax, Ap_len, Ai_len, Ax_len, format, A)) ;
case GB_UINT64_code : return (GrB_Matrix_export_UINT64_(Ap, Ai, (uint64_t *) Ax, Ap_len, Ai_len, Ax_len, format, A)) ;
case GB_FP32_code : return (GrB_Matrix_export_FP32_ (Ap, Ai, (float *) Ax, Ap_len, Ai_len, Ax_len, format, A)) ;
case GB_FP64_code : return (GrB_Matrix_export_FP64_ (Ap, Ai, (double *) Ax, Ap_len, Ai_len, Ax_len, format, A)) ;
case GB_FC32_code : return (GxB_Matrix_export_FC32_ (Ap, Ai, (GxB_FC32_t *) Ax, Ap_len, Ai_len, Ax_len, format, A)) ;
case GB_FC64_code : return (GxB_Matrix_export_FC64_ (Ap, Ai, (GxB_FC64_t *) Ax, Ap_len, Ai_len, Ax_len, format, A)) ;
case GB_UDT_code : return (GrB_Matrix_export_UDT_ (Ap, Ai, (void *) Ax, Ap_len, Ai_len, Ax_len, format, A)) ;
default : ;
}
mexErrMsgTxt ("unknown type") ;
return (GrB_NOT_IMPLEMENTED) ;
}
//------------------------------------------------------------------------------
// GB_importer: import a matrix with GrB_Matrix_import_T
//------------------------------------------------------------------------------
static GrB_Info GB_importer (GrB_Matrix *A, GrB_Type type, GrB_Index nrows,
GrB_Index ncols, const GrB_Index *Ap, const GrB_Index *Ai, const void *Ax,
GrB_Index Ap_len, GrB_Index Ai_len, GrB_Index Ax_len, GrB_Format format)
{
switch (type->code)
{
case GB_BOOL_code : return (GrB_Matrix_import_BOOL_ (A, type, nrows, ncols, Ap, Ai, (const bool *) Ax, Ap_len, Ai_len, Ax_len, format)) ;
case GB_INT8_code : return (GrB_Matrix_import_INT8_ (A, type, nrows, ncols, Ap, Ai, (const int8_t *) Ax, Ap_len, Ai_len, Ax_len, format)) ;
case GB_INT16_code : return (GrB_Matrix_import_INT16_ (A, type, nrows, ncols, Ap, Ai, (const int16_t *) Ax, Ap_len, Ai_len, Ax_len, format)) ;
case GB_INT32_code : return (GrB_Matrix_import_INT32_ (A, type, nrows, ncols, Ap, Ai, (const int32_t *) Ax, Ap_len, Ai_len, Ax_len, format)) ;
case GB_INT64_code : return (GrB_Matrix_import_INT64_ (A, type, nrows, ncols, Ap, Ai, (const int64_t *) Ax, Ap_len, Ai_len, Ax_len, format)) ;
case GB_UINT8_code : return (GrB_Matrix_import_UINT8_ (A, type, nrows, ncols, Ap, Ai, (const uint8_t *) Ax, Ap_len, Ai_len, Ax_len, format)) ;
case GB_UINT16_code : return (GrB_Matrix_import_UINT16_(A, type, nrows, ncols, Ap, Ai, (const uint16_t *) Ax, Ap_len, Ai_len, Ax_len, format)) ;
case GB_UINT32_code : return (GrB_Matrix_import_UINT32_(A, type, nrows, ncols, Ap, Ai, (const uint32_t *) Ax, Ap_len, Ai_len, Ax_len, format)) ;
case GB_UINT64_code : return (GrB_Matrix_import_UINT64_(A, type, nrows, ncols, Ap, Ai, (const uint64_t *) Ax, Ap_len, Ai_len, Ax_len, format)) ;
case GB_FP32_code : return (GrB_Matrix_import_FP32_ (A, type, nrows, ncols, Ap, Ai, (const float *) Ax, Ap_len, Ai_len, Ax_len, format)) ;
case GB_FP64_code : return (GrB_Matrix_import_FP64_ (A, type, nrows, ncols, Ap, Ai, (const double *) Ax, Ap_len, Ai_len, Ax_len, format)) ;
case GB_FC32_code : return (GxB_Matrix_import_FC32_ (A, type, nrows, ncols, Ap, Ai, (const GxB_FC32_t *) Ax, Ap_len, Ai_len, Ax_len, format)) ;
case GB_FC64_code : return (GxB_Matrix_import_FC64_ (A, type, nrows, ncols, Ap, Ai, (const GxB_FC64_t *) Ax, Ap_len, Ai_len, Ax_len, format)) ;
case GB_UDT_code : return (GrB_Matrix_import_UDT_ (A, type, nrows, ncols, Ap, Ai, (const void *) Ax, Ap_len, Ai_len, Ax_len, format)) ;
default : ;
}
mexErrMsgTxt ("unknown type") ;
return (GrB_NOT_IMPLEMENTED) ;
}
//------------------------------------------------------------------------------
// GB_mex_export_import mexFunction
//------------------------------------------------------------------------------
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 > 4)
{
mexErrMsgTxt ("Usage: " USAGE) ;
}
// get A (shallow copy)
{
A = GB_mx_mxArray_to_Matrix (pargin [0], "A input", false, true) ;
if (A == NULL)
{
FREE_ALL ;
mexErrMsgTxt ("A failed") ;
}
}
// get matrix format (1 to 8, and -1 to -8)
int GET_SCALAR (1, int, format_matrix, 0) ;
bool do_matrix = (format_matrix > 0) ;
if (format_matrix < 0)
{
format_matrix = -format_matrix ;
}
// get export/import format (0 to 11)
int GET_SCALAR (2, int, format_export, 0) ;
// get mode: 0:default, 502:secure, else:fast
int GET_SCALAR (3, int, mode, 0) ;
if (mode == GxB_DEFAULT)
{
desc = NULL ;
}
else if (mode == GxB_SECURE_IMPORT)
{
GrB_Descriptor_new (&desc) ;
GrB_Descriptor_set (desc, GxB_IMPORT, GxB_SECURE_IMPORT) ;
}
else // mode is GxB_FAST_IMPORT)
{
GrB_Descriptor_new (&desc) ;
GrB_Descriptor_set (desc, GxB_IMPORT, GxB_FAST_IMPORT) ;
}
#define GET_DEEP_COPY GrB_Matrix_dup (&C, A) ;
#define FREE_DEEP_COPY GrB_Matrix_free (&C) ;
// C = deep copy of A
GET_DEEP_COPY ;
// convert matrix, export, then import
if (do_matrix)
{
METHOD (export_import (format_matrix, format_export)) ;
}
FREE_DEEP_COPY ;
GET_DEEP_COPY ;
// convert vector, export, then import, if C can be cast as a GrB_Vector
if (GB_VECTOR_OK (C) && format_export <= 11)
{
METHOD (vector_export_import (format_matrix, format_export)) ;
}
// return C as a struct and free the GraphBLAS C
pargout [0] = GB_mx_Matrix_to_mxArray (&C, "C output", true) ;
FREE_ALL ;
}
//------------------------------------------------------------------------------
GrB_Info export_import
(
int format_matrix,
int format_export
)
{
//--------------------------------------------------------------------------
// convert C to the requested format
//--------------------------------------------------------------------------
switch (format_matrix)
{
//----------------------------------------------------------------------
case 1 : // standard CSR
//----------------------------------------------------------------------
OK (GxB_Matrix_Option_set_(C, GxB_HYPER_SWITCH, GxB_NEVER_HYPER)) ;
OK (GxB_Matrix_Option_set_(C, GxB_SPARSITY_CONTROL, GxB_SPARSE)) ;
OK (GxB_Matrix_Option_set_(C, GxB_FORMAT, GxB_BY_ROW)) ;
break ;
//----------------------------------------------------------------------
case 2 : // standard CSC
//----------------------------------------------------------------------
OK (GxB_Matrix_Option_set_(C, GxB_HYPER_SWITCH, GxB_NEVER_HYPER)) ;
OK (GxB_Matrix_Option_set_(C, GxB_SPARSITY_CONTROL, GxB_SPARSE)) ;
OK (GxB_Matrix_Option_set_(C, GxB_FORMAT, GxB_BY_COL)) ;
break ;
//----------------------------------------------------------------------
case 3 : // hypersparse CSR
//----------------------------------------------------------------------
OK (GxB_Matrix_Option_set_(C, GxB_HYPER_SWITCH, GxB_ALWAYS_HYPER)) ;
OK (GxB_Matrix_Option_set_(C, GxB_SPARSITY_CONTROL,
GxB_HYPERSPARSE)) ;
OK (GxB_Matrix_Option_set_(C, GxB_FORMAT, GxB_BY_ROW)) ;
break ;
//----------------------------------------------------------------------
case 4 : // hypersparse CSC
//----------------------------------------------------------------------
OK (GxB_Matrix_Option_set_(C, GxB_HYPER_SWITCH, GxB_ALWAYS_HYPER)) ;
OK (GxB_Matrix_Option_set_(C, GxB_SPARSITY_CONTROL,
GxB_HYPERSPARSE)) ;
OK (GxB_Matrix_Option_set_(C, GxB_FORMAT, GxB_BY_COL)) ;
break ;
//----------------------------------------------------------------------
case 5 : // bitmapR
//----------------------------------------------------------------------
OK (GxB_Matrix_Option_set_(C, GxB_SPARSITY_CONTROL, GxB_BITMAP)) ;
OK (GxB_Matrix_Option_set_(C, GxB_FORMAT, GxB_BY_ROW)) ;
break ;
//----------------------------------------------------------------------
case 6 : // bitmapC
//----------------------------------------------------------------------
OK (GxB_Matrix_Option_set_(C, GxB_SPARSITY_CONTROL, GxB_BITMAP)) ;
OK (GxB_Matrix_Option_set_(C, GxB_FORMAT, GxB_BY_COL)) ;
break ;
//----------------------------------------------------------------------
case 7 : // FullR
//----------------------------------------------------------------------
OK (GxB_Matrix_Option_set_(C, GxB_SPARSITY_CONTROL, GxB_FULL)) ;
OK (GxB_Matrix_Option_set_(C, GxB_FORMAT, GxB_BY_ROW)) ;
break ;
//----------------------------------------------------------------------
case 8 : // FullC
//----------------------------------------------------------------------
OK (GxB_Matrix_Option_set_(C, GxB_SPARSITY_CONTROL, GxB_FULL)) ;
OK (GxB_Matrix_Option_set_(C, GxB_FORMAT, GxB_BY_COL)) ;
break ;
//----------------------------------------------------------------------
case 9 : // to control == 11, then bitmap
//----------------------------------------------------------------------
OK (GxB_Matrix_Option_set_(C, GxB_SPARSITY_CONTROL, GxB_BITMAP)) ;
OK (GxB_Matrix_Option_set_(C, GxB_SPARSITY_CONTROL,
GxB_HYPERSPARSE + GxB_SPARSE + GxB_FULL)) ;
OK (GxB_Matrix_Option_set_(C, GxB_FORMAT, GxB_BY_COL)) ;
break ;
default : mexErrMsgTxt ("invalid mtx format") ;
}
//--------------------------------------------------------------------------
// export then import
//--------------------------------------------------------------------------
OK (GxB_Matrix_type (&type2, C)) ;
OK (GrB_Matrix_nrows (&nrows2, C)) ;
OK (GrB_Matrix_ncols (&ncols2, C)) ;
OK (GxB_Type_size (&typesize, type2)) ;
switch (format_export)
{
//----------------------------------------------------------------------
case 0 : // standard CSR
//----------------------------------------------------------------------
OK (GxB_Matrix_export_CSR (&C, &type, &nrows, &ncols,
&Cp, &Ci, &Cx, &Cp_size, &Ci_size, &Cx_size, &iso,
&jumbled, NULL)) ;
OK (GxB_Matrix_import_CSR (&C, type, nrows, ncols,
&Cp, &Ci, &Cx, Cp_size, Ci_size, Cx_size, iso,
jumbled, desc)) ;
break ;
//----------------------------------------------------------------------
case 1 : // standard CSC
//----------------------------------------------------------------------
OK (GxB_Matrix_export_CSC (&C, &type, &nrows, &ncols,
&Cp, &Ci, &Cx, &Cp_size, &Ci_size, &Cx_size, &iso,
&jumbled, NULL)) ;
OK (GxB_Matrix_import_CSC (&C, type, nrows, ncols,
&Cp, &Ci, &Cx, Cp_size, Ci_size, Cx_size, iso,
jumbled, desc)) ;
break ;
//----------------------------------------------------------------------
case 2 : // hypersparse CSR
//----------------------------------------------------------------------
OK (GxB_Matrix_export_HyperCSR (&C, &type, &nrows, &ncols,
&Cp, &Ch, &Ci, &Cx,
&Cp_size, &Ch_size, &Ci_size, &Cx_size, &iso,
&nvec, &jumbled, NULL)) ;
OK (GxB_Matrix_import_HyperCSR (&C, type, nrows, ncols,
&Cp, &Ch, &Ci, &Cx,
Cp_size, Ch_size, Ci_size, Cx_size, iso,
nvec, jumbled, desc)) ;
break ;
//----------------------------------------------------------------------
case 3 : // hypersparse CSC
//----------------------------------------------------------------------
OK (GxB_Matrix_export_HyperCSC (&C, &type, &nrows, &ncols,
&Cp, &Ch, &Ci, &Cx,
&Cp_size, &Ch_size, &Ci_size, &Cx_size, &iso,
&nvec, &jumbled, NULL)) ;
OK (GxB_Matrix_import_HyperCSC (&C, type, nrows, ncols,
&Cp, &Ch, &Ci, &Cx,
Cp_size, Ch_size, Ci_size, Cx_size, iso,
nvec, jumbled, desc)) ;
break ;
//----------------------------------------------------------------------
case 4 : // bitmapR
//----------------------------------------------------------------------
OK (GxB_Matrix_export_BitmapR (&C, &type, &nrows, &ncols,
&Cb, &Cx, &Cb_size, &Cx_size, &iso, &nvals, NULL)) ;
OK (GxB_Matrix_import_BitmapR (&C, type, nrows, ncols,
&Cb, &Cx, Cb_size, Cx_size, iso, nvals, desc)) ;
break ;
//----------------------------------------------------------------------
case 5 : // bitmapC
//----------------------------------------------------------------------
OK (GxB_Matrix_export_BitmapC (&C, &type, &nrows, &ncols,
&Cb, &Cx, &Cb_size, &Cx_size, &iso, &nvals, NULL)) ;
OK (GxB_Matrix_import_BitmapC (&C, type, nrows, ncols,
&Cb, &Cx, Cb_size, Cx_size, iso, nvals, desc)) ;
break ;
//----------------------------------------------------------------------
case 6 : // FullR
//----------------------------------------------------------------------
OK (GxB_Matrix_export_FullR (&C, &type, &nrows, &ncols,
&Cx, &Cx_size, &iso, NULL)) ;
OK (GxB_Matrix_import_FullR (&C, type, nrows, ncols,
&Cx, Cx_size, iso, desc)) ;
break ;
//----------------------------------------------------------------------
case 7 : // FullC
//----------------------------------------------------------------------
OK (GxB_Matrix_export_FullC (&C, &type, &nrows, &ncols,
&Cx, &Cx_size, &iso, NULL)) ;
OK (GxB_Matrix_import_FullC (&C, type, nrows, ncols,
&Cx, Cx_size, iso, desc)) ;
break ;
//----------------------------------------------------------------------
case 8 : // standard CSR, not jumbled
//----------------------------------------------------------------------
OK (GxB_Matrix_export_CSR (&C, &type, &nrows, &ncols,
&Cp, &Ci, &Cx, &Cp_size, &Ci_size, &Cx_size, &iso,
NULL, NULL)) ;
OK (GxB_Matrix_import_CSR (&C, type, nrows, ncols,
&Cp, &Ci, &Cx, Cp_size, Ci_size, Cx_size, iso,
false, desc)) ;
break ;
//----------------------------------------------------------------------
case 9 : // standard CSC, not jumbled
//----------------------------------------------------------------------
OK (GxB_Matrix_export_CSC (&C, &type, &nrows, &ncols,
&Cp, &Ci, &Cx, &Cp_size, &Ci_size, &Cx_size, &iso,
NULL, NULL)) ;
OK (GxB_Matrix_import_CSC (&C, type, nrows, ncols,
&Cp, &Ci, &Cx, Cp_size, Ci_size, Cx_size, iso,
false, desc)) ;
break ;
//----------------------------------------------------------------------
case 10 : // hypersparse CSR, not jumbled
//----------------------------------------------------------------------
OK (GxB_Matrix_export_HyperCSR (&C, &type, &nrows, &ncols,
&Cp, &Ch, &Ci, &Cx,
&Cp_size, &Ch_size, &Ci_size, &Cx_size, &iso,
&nvec, NULL, NULL)) ;
OK (GxB_Matrix_import_HyperCSR (&C, type, nrows, ncols,
&Cp, &Ch, &Ci, &Cx,
Cp_size, Ch_size, Ci_size, Cx_size, iso,
nvec, false, desc)) ;
break ;
//----------------------------------------------------------------------
case 11 : // hypersparse CSC, not jumbled
//----------------------------------------------------------------------
OK (GxB_Matrix_export_HyperCSC (&C, &type, &nrows, &ncols,
&Cp, &Ch, &Ci, &Cx,
&Cp_size, &Ch_size, &Ci_size, &Cx_size, &iso,
&nvec, NULL, NULL)) ;
OK (GxB_Matrix_import_HyperCSC (&C, type, nrows, ncols,
&Cp, &Ch, &Ci, &Cx,
Cp_size, Ch_size, Ci_size, Cx_size, iso,
nvec, false, desc)) ;
break ;
//----------------------------------------------------------------------
case 12 : // CSR using GrB_Matrix_export/import (matrices only)
//----------------------------------------------------------------------
// export in CSR format, then free C
OK (GrB_Matrix_exportSize (&Tp_len, &Ti_len, &Tx_len,
GrB_CSR_FORMAT, C)) ;
Tp = mxMalloc ((Tp_len+1) * sizeof (GrB_Index)) ;
Ti = mxMalloc ((Ti_len+1) * sizeof (GrB_Index)) ;
Tx = mxMalloc ((Tx_len+1) * typesize) ;
OK (GB_exporter (Tp, Ti, Tx, &Tp_len, &Ti_len, &Tx_len, GrB_CSR_FORMAT, C)) ;
OK (GrB_Matrix_free (&C)) ;
// import in CSR format, then free Tp, Ti, Tx
OK (GB_importer (&C, type2, nrows2, ncols2, Tp, Ti, Tx,
Tp_len, Ti_len, Tx_len, GrB_CSR_FORMAT)) ;
mxFree (Tp) ;
mxFree (Ti) ;
mxFree (Tx) ;
break ;
//----------------------------------------------------------------------
case 13 : // CSC using GrB_Matrix_export/import (matrices only)
//----------------------------------------------------------------------
// export in CSC format, then free C
OK (GrB_Matrix_exportSize (&Tp_len, &Ti_len, &Tx_len,
GrB_CSC_FORMAT, C)) ;
Tp = mxMalloc ((Tp_len+1) * sizeof (GrB_Index)) ;
Ti = mxMalloc ((Ti_len+1) * sizeof (GrB_Index)) ;
Tx = mxMalloc ((Tx_len+1) * typesize) ;
OK (GB_exporter (Tp, Ti, Tx, &Tp_len, &Ti_len, &Tx_len, GrB_CSC_FORMAT, C)) ;
OK (GrB_Matrix_free (&C)) ;
// import in CSC format, then free Tp, Ti, Tx
OK (GB_importer (&C, type2, nrows2, ncols2, Tp, Ti, Tx,
Tp_len, Ti_len, Tx_len, GrB_CSC_FORMAT)) ;
mxFree (Tp) ;
mxFree (Ti) ;
mxFree (Tx) ;
break ;
// //----------------------------------------------------------------------
// case 15 : // FullR using GrB_Matrix_export/import (matrices only)
// //----------------------------------------------------------------------
//
// // export in FullR format, then free C
// OK (GrB_Matrix_exportSize (&Tp_len, &Ti_len, &Tx_len,
// GrB_DENSE_ROW_FORMAT, C)) ;
// Tx = mxMalloc ((Tx_len+1) * typesize) ;
// OK (GB_exporter (Tp, Ti, Tx, &Tp_len, &Ti_len, &Tx_len, GrB_DENSE_ROW_FORMAT, C)) ;
// OK (GrB_Matrix_free (&C)) ;
// // import in FullR format, then free Tx
// OK (GB_importer (&C, type2, nrows2, ncols2, Tp, Ti, Tx,
// Tp_len, Ti_len, Tx_len, GrB_DENSE_ROW_FORMAT)) ;
// mxFree (Tx) ;
// break ;
// //----------------------------------------------------------------------
// case 16 : // FullC using GrB_Matrix_export/import (matrices only)
// //----------------------------------------------------------------------
//
// // export in FullC format, then free C
// OK (GrB_Matrix_exportSize (&Tp_len, &Ti_len, &Tx_len,
// GrB_DENSE_COL_FORMAT, C)) ;
// Tx = mxMalloc ((Tx_len+1) * typesize) ;
// OK (GB_exporter (Tp, Ti, Tx, &Tp_len, &Ti_len, &Tx_len, GrB_DENSE_COL_FORMAT, C)) ;
// OK (GrB_Matrix_free (&C)) ;
// // import in CSR format, then free Tx
// OK (GB_importer (&C, type2, nrows2, ncols2, Tp, Ti, Tx,
// Tp_len, Ti_len, Tx_len, GrB_DENSE_COL_FORMAT)) ;
// mxFree (Tx) ;
// break ;
//----------------------------------------------------------------------
case 14 : // COO using GrB_Matrix_export/import (matrices only)
//----------------------------------------------------------------------
// export in COO format, then free C
OK (GrB_Matrix_exportSize (&Tp_len, &Ti_len, &Tx_len,
GrB_COO_FORMAT, C)) ;
Tp = mxMalloc ((Tp_len+1) * sizeof (GrB_Index)) ;
Ti = mxMalloc ((Ti_len+1) * sizeof (GrB_Index)) ;
Tx = mxMalloc ((Tx_len+1) * typesize) ;
info = GB_exporter (Tp, Ti, Tx, &Tp_len, &Ti_len, &Tx_len, GrB_COO_FORMAT, C) ;
OK (info) ;
OK (GrB_Matrix_free (&C)) ;
// import in COO format, then free Tp, Ti, Tx
info = (GB_importer (&C, type2, nrows2, ncols2, Tp, Ti, Tx,
Tp_len, Ti_len, Tx_len, GrB_COO_FORMAT)) ;
OK (info) ;
mxFree (Tp) ;
mxFree (Ti) ;
mxFree (Tx) ;
break ;
default : mexErrMsgTxt ("invalid export format") ;
}
return (GrB_SUCCESS) ;
}
//------------------------------------------------------------------------------
GrB_Info vector_export_import
(
int format_matrix,
int format_export
)
{
//--------------------------------------------------------------------------
// convert C as a vector to the requested format, if available
//--------------------------------------------------------------------------
switch (format_matrix)
{
//----------------------------------------------------------------------
case 1 : // standard CSR
//----------------------------------------------------------------------
return (GrB_SUCCESS) ;
//----------------------------------------------------------------------
case 2 : // standard CSC
//----------------------------------------------------------------------
OK (GxB_Vector_Option_set_((GrB_Vector) C,
GxB_SPARSITY_CONTROL, GxB_SPARSE)) ;
break ;
//----------------------------------------------------------------------
case 3 : // hypersparse CSR
//----------------------------------------------------------------------
return (GrB_SUCCESS) ;
//----------------------------------------------------------------------
case 4 : // hypersparse CSC (will be sparse, not hypersparse)
//----------------------------------------------------------------------
OK (GxB_Vector_Option_set_((GrB_Vector) C,
GxB_SPARSITY_CONTROL, GxB_HYPERSPARSE)) ;
break ;
//----------------------------------------------------------------------
case 5 : // bitmapR
//----------------------------------------------------------------------
return (GrB_SUCCESS) ;
//----------------------------------------------------------------------
case 6 : // bitmapC
case 9 : // bitmapC
//----------------------------------------------------------------------
OK (GxB_Vector_Option_set_((GrB_Vector) C,
GxB_SPARSITY_CONTROL, GxB_BITMAP)) ;
break ;
//----------------------------------------------------------------------
case 7 : // FullR
//----------------------------------------------------------------------
return (GrB_SUCCESS) ;
//----------------------------------------------------------------------
case 8 : // FullC
//----------------------------------------------------------------------
OK (GxB_Vector_Option_set_((GrB_Vector) C,
GxB_SPARSITY_CONTROL, GxB_FULL)) ;
break ;
default : mexErrMsgTxt ("invalid format") ;
}
//--------------------------------------------------------------------------
// export then import
//--------------------------------------------------------------------------
switch (format_export)
{
//----------------------------------------------------------------------
case 0 : // standard CSR
//----------------------------------------------------------------------
return (GrB_SUCCESS) ;
//----------------------------------------------------------------------
case 1 : // standard CSC
//----------------------------------------------------------------------
OK (GxB_Vector_export_CSC ((GrB_Vector *) &C, &type, &nrows,
&Ci, &Cx, &Ci_size, &Cx_size, &iso,
&nvals, &jumbled, NULL)) ;
OK (GxB_Vector_import_CSC ((GrB_Vector *) &C, type, nrows,
&Ci, &Cx, Ci_size, Cx_size, iso,
nvals, jumbled, desc)) ;
break ;
//----------------------------------------------------------------------
case 2 : // hypersparse CSR
//----------------------------------------------------------------------
return (GrB_SUCCESS) ;
//----------------------------------------------------------------------
case 3 : // hypersparse CSC
//----------------------------------------------------------------------
return (GrB_SUCCESS) ;
//----------------------------------------------------------------------
case 4 : // bitmapR
//----------------------------------------------------------------------
return (GrB_SUCCESS) ;
//----------------------------------------------------------------------
case 5 : // bitmapC
//----------------------------------------------------------------------
OK (GxB_Vector_export_Bitmap ((GrB_Vector *) &C, &type, &nrows,
&Cb, &Cx, &Cb_size, &Cx_size, &iso, &nvals, NULL)) ;
OK (GxB_Vector_import_Bitmap ((GrB_Vector *) &C, type, nrows,
&Cb, &Cx, Cb_size, Cx_size, iso, nvals, desc)) ;
break ;
//----------------------------------------------------------------------
case 6 : // FullR
//----------------------------------------------------------------------
return (GrB_SUCCESS) ;
//----------------------------------------------------------------------
case 7 : // FullC
//----------------------------------------------------------------------
OK (GxB_Vector_export_Full ((GrB_Vector *) &C, &type, &nrows,
&Cx, &Cx_size, &iso, NULL)) ;
OK (GxB_Vector_import_Full ((GrB_Vector *) &C, type, nrows,
&Cx, Cx_size, iso, desc)) ;
break ;
//----------------------------------------------------------------------
case 8 : // standard CSR, not jumbled
//----------------------------------------------------------------------
return (GrB_SUCCESS) ;
//----------------------------------------------------------------------
case 9 : // standard CSC, not jumbled
//----------------------------------------------------------------------
OK (GxB_Vector_export_CSC ((GrB_Vector *) &C, &type, &nrows,
&Ci, &Cx, &Ci_size, &Cx_size, &iso,
&nvals, NULL, NULL)) ;
OK (GxB_Vector_import_CSC ((GrB_Vector *) &C, type, nrows,
&Ci, &Cx, Ci_size, Cx_size, iso,
nvals, false, desc)) ;
break ;
//----------------------------------------------------------------------
case 10 : // hypersparse CSR, not jumbled
//----------------------------------------------------------------------
return (GrB_SUCCESS) ;
//----------------------------------------------------------------------
case 11 : // hypersparse CSC, not jumbled
//----------------------------------------------------------------------
return (GrB_SUCCESS) ;
default : mexErrMsgTxt ("invalid format") ;
}
return (GrB_SUCCESS) ;
}
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