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//------------------------------------------------------------------------------
// GB_mex_setElement: interface for A(i,j) = x
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
// x = A (i,j), where i and j are zero-based. If i and j arrays, then
// x (k) = A (i (k), j (k)) is done for all k.
// I and J and zero-based
#include "GB_mex.h"
#define USAGE "A = GB_mex_setElement (A, I, J, X, debug_wait,scalar)"
bool debug_wait = false ;
bool do_scalar = false ;
GrB_Type xtype = NULL ;
#define FREE_ALL \
{ \
GrB_Matrix_free_(&A) ; \
GB_mx_put_global (true) ; \
}
#if defined ( __GNUC__ )
#pragma GCC diagnostic ignored "-Wmissing-prototypes"
#endif
#define Return(info) { GrB_Scalar_free (&Scalar) ; return (info) ; }
//------------------------------------------------------------------------------
// set all elements of a matrix and return if an error is encountered
//------------------------------------------------------------------------------
#define setEl(prefix,name,type) \
GrB_Info set_ ## name \
(GrB_Matrix A, type *X, GrB_Index *I, GrB_Index *J, GrB_Index ni) \
{ \
GrB_Info info ; \
GrB_Scalar Scalar = NULL ; \
if (do_scalar) \
{ \
info = GrB_Scalar_new (&Scalar, xtype) ; \
if (info != GrB_SUCCESS) \
{ \
Return (info) ; \
} \
} \
for (int64_t k = 0 ; k < ni ; k++) \
{ \
if (do_scalar) \
{ \
info = prefix ## Scalar_setElement_ ## name \
(Scalar, AMPERSAND (X [k])) ; \
if (info != GrB_SUCCESS) \
{ \
Return (info) ; \
} \
info = GrB_Matrix_setElement_Scalar \
(A, Scalar, I [k], J [k]) ; \
} \
else \
{ \
info = prefix ## Matrix_setElement_ ## name \
(A, AMPERSAND (X [k]), I [k], J [k]) ; \
} \
if (info != GrB_SUCCESS) \
{ \
Return (info) ; \
} \
} \
if (debug_wait) \
{ \
Return (GB_wait (A, "A", NULL)) ; \
} \
Return (GrB_SUCCESS) ; \
}
//------------------------------------------------------------------------------
// create all the local set_TYPE functions
//------------------------------------------------------------------------------
#define AMPERSAND(x) x
setEl (GrB_, BOOL , bool ) ;
setEl (GrB_, INT8 , int8_t ) ;
setEl (GrB_, UINT8 , uint8_t ) ;
setEl (GrB_, INT16 , int16_t ) ;
setEl (GrB_, UINT16 , uint16_t ) ;
setEl (GrB_, INT32 , int32_t ) ;
setEl (GrB_, UINT32 , uint32_t ) ;
setEl (GrB_, INT64 , int64_t ) ;
setEl (GrB_, UINT64 , uint64_t ) ;
setEl (GrB_, FP32 , float ) ;
setEl (GrB_, FP64 , double ) ;
setEl (GxB_, FC32 , GxB_FC32_t ) ;
setEl (GxB_, FC64 , GxB_FC64_t ) ;
#undef AMPERSAND
#define AMPERSAND(x) &x
setEl (GrB_, UDT , GxB_FC64_t) ;
#undef AMPERSAND
//------------------------------------------------------------------------------
// set all elements of a vector and return if an error is encountered
//------------------------------------------------------------------------------
#define vsetEl(prefix,name,type) \
GrB_Info vset_ ## name \
(GrB_Matrix A, type *X, GrB_Index *I, GrB_Index ni) \
{ \
GrB_Info info ; \
GrB_Scalar Scalar = NULL ; \
if (do_scalar) \
{ \
info = GrB_Scalar_new (&Scalar, xtype) ; \
if (info != GrB_SUCCESS) Return (info) ; \
} \
GrB_Vector w = (GrB_Vector) A ; \
for (int64_t k = 0 ; k < ni ; k++) \
{ \
if (do_scalar) \
{ \
info = prefix ## Scalar_setElement_ ## name \
(Scalar, AMPERSAND (X [k])) ; \
if (info != GrB_SUCCESS) Return (info) ; \
info = GrB_Vector_setElement_Scalar \
(w, Scalar, I [k]) ; \
} \
else \
{ \
info = prefix ## Vector_setElement_ ## name \
(w, AMPERSAND (X [k]), I [k]) ; \
} \
if (info != GrB_SUCCESS) Return (info) ; \
} \
if (debug_wait) \
{ \
Return (GB_wait (A, "A", NULL)) ; \
} \
Return (GrB_SUCCESS) ; \
}
//------------------------------------------------------------------------------
// create all the local set_TYPE functions
//------------------------------------------------------------------------------
#define AMPERSAND(x) x
vsetEl (GrB_, BOOL , bool ) ;
vsetEl (GrB_, INT8 , int8_t ) ;
vsetEl (GrB_, UINT8 , uint8_t ) ;
vsetEl (GrB_, INT16 , int16_t ) ;
vsetEl (GrB_, UINT16 , uint16_t ) ;
vsetEl (GrB_, INT32 , int32_t ) ;
vsetEl (GrB_, UINT32 , uint32_t ) ;
vsetEl (GrB_, INT64 , int64_t ) ;
vsetEl (GrB_, UINT64 , uint64_t ) ;
vsetEl (GrB_, FP32 , float ) ;
vsetEl (GrB_, FP64 , double ) ;
vsetEl (GxB_, FC32 , GxB_FC32_t ) ;
vsetEl (GxB_, FC64 , GxB_FC64_t ) ;
#undef AMPERSAND
#define AMPERSAND(x) &x
vsetEl (GrB_, UDT , GxB_FC64_t) ;
#undef AMPERSAND
//------------------------------------------------------------------------------
// GB_mex_setElement
//------------------------------------------------------------------------------
void mexFunction
(
int nargout,
mxArray *pargout [ ],
int nargin,
const mxArray *pargin [ ]
)
{
bool malloc_debug = GB_mx_get_global (true) ;
GrB_Matrix A = NULL ;
GB_void *Y ;
GrB_Index *I = NULL, ni = 0, I_range [3] ;
GrB_Index *J = NULL, nj = 0, J_range [3] ;
bool is_list ;
// check inputs
if (nargout > 1 || nargin < 4 || nargin > 6)
{
mexErrMsgTxt ("Usage: " USAGE) ;
}
// get A (deep copy)
#define GET_DEEP_COPY \
A = GB_mx_mxArray_to_Matrix (pargin [0], "A input", true, true) ;
#define FREE_DEEP_COPY GrB_Matrix_free_(&A) ;
GET_DEEP_COPY ;
if (A == NULL)
{
FREE_ALL ;
mexErrMsgTxt ("A failed") ;
}
// get I
if (!GB_mx_mxArray_to_indices (&I, pargin [1], &ni, I_range, &is_list))
{
FREE_ALL ;
mexErrMsgTxt ("I failed") ;
}
if (!is_list)
{
mexErrMsgTxt ("I is invalid; must be a list") ;
}
// get J
if (!GB_mx_mxArray_to_indices (&J, pargin [2], &nj, J_range, &is_list))
{
FREE_ALL ;
mexErrMsgTxt ("J failed") ;
}
if (!is_list)
{
mexErrMsgTxt ("J is invalid; must be a list") ;
}
if (ni != nj)
{
FREE_ALL ;
mexErrMsgTxt ("I and J must be the same size") ;
}
// get X
if (ni != mxGetNumberOfElements (pargin [3]))
{
FREE_ALL ;
mexErrMsgTxt ("I and X must be the same size") ;
}
if (!(mxIsNumeric (pargin [3]) || mxIsLogical (pargin [3])))
{
FREE_ALL ;
mexErrMsgTxt ("X must be a numeric or logical array") ;
}
if (mxIsSparse (pargin [3]))
{
FREE_ALL ;
mexErrMsgTxt ("X cannot be sparse") ;
}
// get debug_wait (if true, to GB_wait after setElements)
GET_SCALAR (4, bool, debug_wait, false) ;
// get do_scalar (if true use GrB_*_setElement_Scalar)
GET_SCALAR (5, bool, do_scalar, false) ;
if (mxIsComplex (pargin [3]))
{
xtype = Complex ;
Y = (GB_void *) mxGetComplexDoubles (pargin [3]) ;
}
else
{
Y = mxGetData (pargin [3]) ;
xtype = GB_mx_Type (pargin [3]) ;
if (xtype == NULL)
{
FREE_ALL ;
mexErrMsgTxt ("X must be numeric") ;
}
}
size_t s = 2 * sizeof (double) ;
// A (i,j) = x, for a list of elements
// the METHOD (...) macro is not used on each call to setElement, but
// to all of them. Thus, if any failure occurs, the computation is rolled
// back to the very beginning, and another fresh, deep, copy of A is made,
// and the sequence of setElements is tried again. If a setElement fails
// by running out of memory, it clears to whole matrix, so recovery cannot
// be made.
if (A->vdim == 1)
{
// test GrB_Vector_setElement
switch (xtype->code)
{
case GB_BOOL_code : METHOD (vset_BOOL (A, (bool *) Y, I, ni)) ; break ;
case GB_INT8_code : METHOD (vset_INT8 (A, (int8_t *) Y, I, ni)) ; break ;
case GB_INT16_code : METHOD (vset_INT16 (A, (int16_t *) Y, I, ni)) ; break ;
case GB_INT32_code : METHOD (vset_INT32 (A, (int32_t *) Y, I, ni)) ; break ;
case GB_INT64_code : METHOD (vset_INT64 (A, (int64_t *) Y, I, ni)) ; break ;
case GB_UINT8_code : METHOD (vset_UINT8 (A, (uint8_t *) Y, I, ni)) ; break ;
case GB_UINT16_code : METHOD (vset_UINT16 (A, (uint16_t *) Y, I, ni)) ; break ;
case GB_UINT32_code : METHOD (vset_UINT32 (A, (uint32_t *) Y, I, ni)) ; break ;
case GB_UINT64_code : METHOD (vset_UINT64 (A, (uint64_t *) Y, I, ni)) ; break ;
case GB_FP32_code : METHOD (vset_FP32 (A, (float *) Y, I, ni)) ; break ;
case GB_FP64_code : METHOD (vset_FP64 (A, (double *) Y, I, ni)) ; break ;
case GB_FC32_code : METHOD (vset_FC32 (A, (GxB_FC32_t *) Y, I, ni)) ; break ;
case GB_FC64_code : METHOD (vset_FC64 (A, (GxB_FC64_t *) Y, I, ni)) ; break ;
case GB_UDT_code : METHOD (vset_UDT (A, (void *) Y, I, ni)) ; break ;
default:
FREE_ALL ;
mexErrMsgTxt ("unsupported type") ;
}
}
else
{
// test GrB_Matrix_setElement
switch (xtype->code)
{
case GB_BOOL_code : METHOD (set_BOOL (A, (bool *) Y, I, J, ni)) ; break ;
case GB_INT8_code : METHOD (set_INT8 (A, (int8_t *) Y, I, J, ni)) ; break ;
case GB_INT16_code : METHOD (set_INT16 (A, (int16_t *) Y, I, J, ni)) ; break ;
case GB_INT32_code : METHOD (set_INT32 (A, (int32_t *) Y, I, J, ni)) ; break ;
case GB_INT64_code : METHOD (set_INT64 (A, (int64_t *) Y, I, J, ni)) ; break ;
case GB_UINT8_code : METHOD (set_UINT8 (A, (uint8_t *) Y, I, J, ni)) ; break ;
case GB_UINT16_code : METHOD (set_UINT16 (A, (uint16_t *) Y, I, J, ni)) ; break ;
case GB_UINT32_code : METHOD (set_UINT32 (A, (uint32_t *) Y, I, J, ni)) ; break ;
case GB_UINT64_code : METHOD (set_UINT64 (A, (uint64_t *) Y, I, J, ni)) ; break ;
case GB_FP32_code : METHOD (set_FP32 (A, (float *) Y, I, J, ni)) ; break ;
case GB_FP64_code : METHOD (set_FP64 (A, (double *) Y, I, J, ni)) ; break ;
case GB_FC32_code : METHOD (set_FC32 (A, (GxB_FC32_t *) Y, I, J, ni)) ; break ;
case GB_FC64_code : METHOD (set_FC64 (A, (GxB_FC64_t *) Y, I, J, ni)) ; break ;
case GB_UDT_code : METHOD (set_UDT (A, (void *) Y, I, J, ni)) ; break ;
default:
FREE_ALL ;
mexErrMsgTxt ("unsupported type") ;
}
}
// only do debug checks after adding lots of tuples
if (ni > 1000) { ASSERT_MATRIX_OK (A, "A added pending tuples", GB0) ; }
// return A as a struct and free the GraphBLAS A
pargout [0] = GB_mx_Matrix_to_mxArray (&A, "A output", true) ;
FREE_ALL ;
}
|
