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|
//------------------------------------------------------------------------------
// GB_mex_assign: C<Mask>(I,J) = accum (C (I,J), A)
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
// This function is a wrapper for GrB_Matrix_assign, GrB_Matrix_assign_T
// GrB_Vector_assign, and GrB_Vector_assign_T. For these uses, the Mask must
// always be the same size as C.
// This mexFunction does not call GrB_Row_assign or GrB_Col_assign, since
// the Mask is a single row or column in these cases, and C is not modified
// outside that single row (for GrB_Row_assign) or column (for GrB_Col_assign).
// This function does the same thing as the mimic GB_spec_assign.m.
//------------------------------------------------------------------------------
#include "GB_mex.h"
#define USAGE "C =GB_mex_assign (C, Mask, accum, A, I, J, desc) or (C, Work)"
#define FREE_ALL \
{ \
GrB_Matrix_free_(&A) ; \
GrB_Matrix_free_(&Mask) ; \
GrB_Matrix_free_(&C) ; \
GrB_Descriptor_free_(&desc) ; \
GB_mx_put_global (true) ; \
}
#define GET_DEEP_COPY \
C = GB_mx_mxArray_to_Matrix (pargin [0], "C input", true, true) ;
#define FREE_DEEP_COPY GrB_Matrix_free_(&C) ;
GrB_Matrix C = NULL ;
GrB_Matrix Mask = NULL ;
GrB_Matrix A = NULL ;
GrB_Descriptor desc = NULL ;
GrB_BinaryOp accum = NULL ;
GrB_Index *I = NULL, ni = 0, I_range [3] ;
GrB_Index *J = NULL, nj = 0, J_range [3] ;
bool ignore ;
bool malloc_debug = false ;
GrB_Info info = GrB_SUCCESS ;
GrB_Info assign (void) ;
GrB_Info many_assign
(
int nwork,
int fA,
int fI,
int fJ,
int faccum,
int fMask,
int fdesc,
const mxArray *pargin [ ]
) ;
//------------------------------------------------------------------------------
// assign: perform a single assignment
//------------------------------------------------------------------------------
#define OK(method) \
{ \
info = method ; \
if (info != GrB_SUCCESS) \
{ \
return (info) ; \
} \
}
GrB_Info assign ( )
{
bool at = (desc != NULL && desc->in0 == GrB_TRAN) ;
GrB_Info info ;
ASSERT_MATRIX_OK (C, "C", GB0) ;
ASSERT_MATRIX_OK_OR_NULL (Mask, "Mask", GB0) ;
ASSERT_MATRIX_OK (A, "A", GB0) ;
ASSERT_BINARYOP_OK_OR_NULL (accum, "accum", GB0) ;
ASSERT_DESCRIPTOR_OK_OR_NULL (desc, "desc", GB0) ;
if (GB_NROWS (A) == 1 && GB_NCOLS (A) == 1 && GB_nnz (A) == 1)
{
GB_void *Ax = A->x ; // OK: A is a scalar with exactly one entry
if (ni == 1 && nj == 1 && Mask == NULL && I != GrB_ALL && J != GrB_ALL
&& GB_op_is_second (accum, C->type) && A->type->code < GB_FC64_code
&& desc == NULL)
{
// test GrB_Matrix_setElement
#define ASSIGN(prefix,suffix,type) \
{ \
type x = ((type *) Ax) [0] ; \
OK (prefix ## Matrix_setElement ## suffix \
(C, x, I [0], J [0])) ; \
} break ;
switch (A->type->code)
{
case GB_BOOL_code : ASSIGN (GrB_, _BOOL, bool) ;
case GB_INT8_code : ASSIGN (GrB_, _INT8, int8_t) ;
case GB_INT16_code : ASSIGN (GrB_, _INT16, int16_t) ;
case GB_INT32_code : ASSIGN (GrB_, _INT32, int32_t) ;
case GB_INT64_code : ASSIGN (GrB_, _INT64, int64_t) ;
case GB_UINT8_code : ASSIGN (GrB_, _UINT8, uint8_t) ;
case GB_UINT16_code : ASSIGN (GrB_, _UINT16, uint16_t) ;
case GB_UINT32_code : ASSIGN (GrB_, _UINT32, uint32_t) ;
case GB_UINT64_code : ASSIGN (GrB_, _UINT64, uint64_t) ;
case GB_FP32_code : ASSIGN (GrB_, _FP32, float) ;
case GB_FP64_code : ASSIGN (GrB_, _FP64, double) ;
case GB_FC32_code : ASSIGN (GxB_, _FC32, GxB_FC32_t) ;
case GB_FC64_code : ASSIGN (GxB_, _FC64, GxB_FC64_t) ;
case GB_UDT_code :
default:
FREE_ALL ;
mexErrMsgTxt ("unknown type: col setEl") ;
}
ASSERT_MATRIX_OK (C, "C after setElement", GB0) ;
}
else if (C->vdim == 1)
{
// test GrB_Vector_assign_scalar functions
#undef ASSIGN
#define ASSIGN(prefix,suffix,type) \
{ \
type x = ((type *) Ax) [0] ; \
OK (prefix ## Vector_assign ## suffix ((GrB_Vector) C, \
(GrB_Vector) Mask, accum, x, I, ni, desc)) ; \
} break ;
switch (A->type->code)
{
case GB_BOOL_code : ASSIGN (GrB_, _BOOL, bool) ;
case GB_INT8_code : ASSIGN (GrB_, _INT8, int8_t) ;
case GB_INT16_code : ASSIGN (GrB_, _INT16, int16_t) ;
case GB_INT32_code : ASSIGN (GrB_, _INT32, int32_t) ;
case GB_INT64_code : ASSIGN (GrB_, _INT64, int64_t) ;
case GB_UINT8_code : ASSIGN (GrB_, _UINT8, uint8_t) ;
case GB_UINT16_code : ASSIGN (GrB_, _UINT16, uint16_t) ;
case GB_UINT32_code : ASSIGN (GrB_, _UINT32, uint32_t) ;
case GB_UINT64_code : ASSIGN (GrB_, _UINT64, uint64_t) ;
case GB_FP32_code : ASSIGN (GrB_, _FP32, float) ;
case GB_FP64_code : ASSIGN (GrB_, _FP64, double) ;
case GB_FC32_code : ASSIGN (GxB_, _FC32, GxB_FC32_t) ;
case GB_FC64_code : ASSIGN (GxB_, _FC64, GxB_FC64_t) ;
case GB_UDT_code :
{
OK (GrB_Vector_assign_UDT ((GrB_Vector) C,
(GrB_Vector) Mask, accum, Ax, I, ni, desc)) ;
}
break ;
default:
FREE_ALL ;
mexErrMsgTxt ("unknown type: vec assign") ;
}
}
else
{
// test Matrix_assign_scalar functions
#undef ASSIGN
#define ASSIGN(prefix,suffix,type) \
{ \
type x = ((type *) Ax) [0] ; \
OK (prefix ## Matrix_assign ## suffix (C, Mask, accum, \
x, I, ni, J, nj,desc)) ; \
} break ;
switch (A->type->code)
{
case GB_BOOL_code : ASSIGN (GrB_, _BOOL, bool) ;
case GB_INT8_code : ASSIGN (GrB_, _INT8, int8_t) ;
case GB_INT16_code : ASSIGN (GrB_, _INT16, int16_t) ;
case GB_INT32_code : ASSIGN (GrB_, _INT32, int32_t) ;
case GB_INT64_code : ASSIGN (GrB_, _INT64, int64_t) ;
case GB_UINT8_code : ASSIGN (GrB_, _UINT8, uint8_t) ;
case GB_UINT16_code : ASSIGN (GrB_, _UINT16, uint16_t) ;
case GB_UINT32_code : ASSIGN (GrB_, _UINT32, uint32_t) ;
case GB_UINT64_code : ASSIGN (GrB_, _UINT64, uint64_t) ;
case GB_FP32_code : ASSIGN (GrB_, _FP32, float) ;
case GB_FP64_code : ASSIGN (GrB_, _FP64, double) ;
case GB_FC32_code : ASSIGN (GxB_, _FC32, GxB_FC32_t) ;
case GB_FC64_code : ASSIGN (GxB_, _FC64, GxB_FC64_t) ;
case GB_UDT_code :
{
OK (GrB_Matrix_assign_UDT (C, Mask, accum,
Ax, I, ni, J, nj, desc)) ;
}
break ;
default:
FREE_ALL ;
mexErrMsgTxt ("unknown type: mtx assign") ;
}
}
}
else if (C->vdim == 1 && A->vdim == 1 &&
(Mask == NULL || Mask->vdim == 1) && !at)
{
// test GrB_Vector_assign
OK (GrB_Vector_assign_((GrB_Vector) C, (GrB_Vector) Mask, accum,
(GrB_Vector) A, I, ni, desc)) ;
}
else
{
// standard submatrix assignment
OK (GrB_Matrix_assign_(C, Mask, accum, A, I, ni, J, nj, desc)) ;
}
ASSERT_MATRIX_OK (C, "Final C before wait", GB0) ;
OK (GrB_Matrix_wait (C, GrB_MATERIALIZE)) ;
return (info) ;
}
//------------------------------------------------------------------------------
// many_assign: do a sequence of assignments
//------------------------------------------------------------------------------
// The list of assignments is in a struct array
GrB_Info many_assign
(
int nwork,
int fA,
int fI,
int fJ,
int faccum,
int fMask,
int fdesc,
const mxArray *pargin [ ]
)
{
GrB_Info info = GrB_SUCCESS ;
for (int64_t k = 0 ; k < nwork ; k++)
{
//----------------------------------------------------------------------
// get the kth work to do
//----------------------------------------------------------------------
// each struct has fields A, I, J, and optionally Mask, accum, and desc
mxArray *p ;
// [ turn off malloc debugging
bool save = GB_Global_malloc_debug_get ( ) ;
GB_Global_malloc_debug_set (false) ;
// get Mask (shallow copy)
Mask = NULL ;
if (fMask >= 0)
{
p = mxGetFieldByNumber (pargin [1], k, fMask) ;
Mask = GB_mx_mxArray_to_Matrix (p, "Mask", false, false) ;
if (Mask == NULL && !mxIsEmpty (p))
{
FREE_ALL ;
mexErrMsgTxt ("Mask failed") ;
}
}
// get A (shallow copy)
p = mxGetFieldByNumber (pargin [1], k, fA) ;
A = GB_mx_mxArray_to_Matrix (p, "A", false, true) ;
if (A == NULL)
{
FREE_ALL ;
mexErrMsgTxt ("A failed") ;
}
// get accum, if present
accum = NULL ;
if (faccum >= 0)
{
p = mxGetFieldByNumber (pargin [1], k, faccum) ;
bool user_complex = (Complex != GxB_FC64)
&& (C->type == Complex || A->type == Complex) ;
if (!GB_mx_mxArray_to_BinaryOp (&accum, p, "accum",
C->type, user_complex))
{
FREE_ALL ;
mexErrMsgTxt ("accum failed") ;
}
}
// get I
p = mxGetFieldByNumber (pargin [1], k, fI) ;
if (!GB_mx_mxArray_to_indices (&I, p, &ni, I_range, &ignore))
{
FREE_ALL ;
mexErrMsgTxt ("I failed") ;
}
// get J
p = mxGetFieldByNumber (pargin [1], k, fJ) ;
if (!GB_mx_mxArray_to_indices (&J, p, &nj, J_range, &ignore))
{
FREE_ALL ;
mexErrMsgTxt ("J failed") ;
}
// get desc
desc = NULL ;
if (fdesc > 0)
{
p = mxGetFieldByNumber (pargin [1], k, fdesc) ;
if (!GB_mx_mxArray_to_Descriptor (&desc, p, "desc"))
{
FREE_ALL ;
mexErrMsgTxt ("desc failed") ;
}
}
// restore malloc debugging to test the method
GB_Global_malloc_debug_set (save) ; // ]
//----------------------------------------------------------------------
// C<Mask>(I,J) = A
//----------------------------------------------------------------------
info = assign ( ) ;
GrB_Matrix_free_(&A) ;
GrB_Matrix_free_(&Mask) ;
GrB_Descriptor_free_(&desc) ;
if (info != GrB_SUCCESS)
{
return (info) ;
}
}
ASSERT_MATRIX_OK (C, "Final C before wait", GB0) ;
OK (GrB_Matrix_wait_(C, GrB_MATERIALIZE)) ;
return (info) ;
}
//------------------------------------------------------------------------------
// GB_mex_assign mexFunction
//------------------------------------------------------------------------------
void mexFunction
(
int nargout,
mxArray *pargout [ ],
int nargin,
const mxArray *pargin [ ]
)
{
//--------------------------------------------------------------------------
// check inputs
//--------------------------------------------------------------------------
malloc_debug = GB_mx_get_global (true) ;
A = NULL ;
C = NULL ;
Mask = NULL ;
desc = NULL ;
if (nargout > 1 || ! (nargin == 2 || nargin == 6 || nargin == 7))
{
mexErrMsgTxt ("Usage: " USAGE) ;
}
//--------------------------------------------------------------------------
// get C (make a deep copy)
//--------------------------------------------------------------------------
GET_DEEP_COPY ;
if (C == NULL)
{
FREE_ALL ;
mexErrMsgTxt ("C failed") ;
}
if (nargin == 2)
{
//----------------------------------------------------------------------
// get a list of work to do: a struct array of length nwork
//----------------------------------------------------------------------
// each entry is a struct with fields:
// Mask, accum, A, I, J, desc
if (!mxIsStruct (pargin [1]))
{
FREE_ALL ;
mexErrMsgTxt ("2nd argument must be a struct") ;
}
int nwork = mxGetNumberOfElements (pargin [1]) ;
int nf = mxGetNumberOfFields (pargin [1]) ;
for (int f = 0 ; f < nf ; f++)
{
mxArray *p ;
for (int k = 0 ; k < nwork ; k++)
{
p = mxGetFieldByNumber (pargin [1], k, f) ;
}
}
int fA = mxGetFieldNumber (pargin [1], "A") ;
int fI = mxGetFieldNumber (pargin [1], "I") ;
int fJ = mxGetFieldNumber (pargin [1], "J") ;
int faccum = mxGetFieldNumber (pargin [1], "accum") ;
int fMask = mxGetFieldNumber (pargin [1], "Mask") ;
int fdesc = mxGetFieldNumber (pargin [1], "desc") ;
if (fA < 0 || fI < 0 || fJ < 0) mexErrMsgTxt ("A,I,J required") ;
METHOD (many_assign (nwork, fA, fI, fJ, faccum, fMask, fdesc, pargin)) ;
}
else
{
//----------------------------------------------------------------------
// C<Mask>(I,J) = A, with a single assignment
//----------------------------------------------------------------------
// get Mask (shallow copy)
Mask = GB_mx_mxArray_to_Matrix (pargin [1], "Mask", false, false) ;
if (Mask == NULL && !mxIsEmpty (pargin [1]))
{
FREE_ALL ;
mexErrMsgTxt ("Mask failed") ;
}
// get A (shallow copy)
A = GB_mx_mxArray_to_Matrix (pargin [3], "A", false, true) ;
if (A == NULL)
{
FREE_ALL ;
mexErrMsgTxt ("A failed") ;
}
// get accum, if present
bool user_complex = (Complex != GxB_FC64)
&& (C->type == Complex || A->type == Complex) ;
accum = NULL ;
if (!GB_mx_mxArray_to_BinaryOp (&accum, pargin [2], "accum",
C->type, user_complex))
{
FREE_ALL ;
mexErrMsgTxt ("accum failed") ;
}
// get I
if (!GB_mx_mxArray_to_indices (&I, pargin [4], &ni, I_range, &ignore))
{
FREE_ALL ;
mexErrMsgTxt ("I failed") ;
}
// get J
if (!GB_mx_mxArray_to_indices (&J, pargin [5], &nj, J_range, &ignore))
{
FREE_ALL ;
mexErrMsgTxt ("J failed") ;
}
// get desc
if (!GB_mx_mxArray_to_Descriptor (&desc, PARGIN (6), "desc"))
{
FREE_ALL ;
mexErrMsgTxt ("desc failed") ;
}
// C<Mask>(I,J) = A
METHOD (assign ( )) ;
}
//--------------------------------------------------------------------------
// return C as a struct
//--------------------------------------------------------------------------
pargout [0] = GB_mx_Matrix_to_mxArray (&C, "C assign result", true) ;
FREE_ALL ;
}
|
