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//------------------------------------------------------------------------------
// GB_mex_AplusB: compute C=A+B
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2020, All Rights Reserved.
// http://suitesparse.com See GraphBLAS/Doc/License.txt for license.
//------------------------------------------------------------------------------
// This is for testing only. See GrB_eWiseAdd instead. Returns a plain MATLAB
// matrix, in double.
#include "GB_mex.h"
#define USAGE "C = GB_mex_AplusB (A, B, op)"
#define FREE_ALL \
{ \
GB_MATRIX_FREE (&A) ; \
GB_MATRIX_FREE (&B) ; \
GB_MATRIX_FREE (&C) ; \
GB_mx_put_global (true, 0) ; \
}
void mexFunction
(
int nargout,
mxArray *pargout [ ],
int nargin,
const mxArray *pargin [ ]
)
{
// double tic2 [2] ;
// simple_tic (tic2) ;
bool malloc_debug = GB_mx_get_global (true) ;
GrB_Matrix A = NULL ;
GrB_Matrix B = NULL ;
GrB_Matrix C = NULL ;
GrB_BinaryOp op = NULL ;
GB_WHERE (USAGE) ;
// check inputs
if (nargout > 1 || nargin != 3)
{
mexErrMsgTxt ("Usage: " USAGE) ;
}
#define GET_DEEP_COPY ;
#define FREE_DEEP_COPY ;
// get A and B
A = GB_mx_mxArray_to_Matrix (pargin [0], "A", false, true) ;
B = GB_mx_mxArray_to_Matrix (pargin [1], "B", false, true) ;
if (A == NULL || B == NULL)
{
FREE_ALL ;
mexErrMsgTxt ("failed") ;
}
// get op
bool user_complex = (Complex != GxB_FC64)
&& (A->type == Complex || B->type == Complex) ;
if (!GB_mx_mxArray_to_BinaryOp (&op, pargin [2], "op",
A->type, user_complex) || op == NULL)
{
FREE_ALL ;
mexErrMsgTxt ("op failed") ;
}
// printf ("time so far: %g\n", simple_toc (tic2)) ;
// simple_tic (tic2) ;
// C = A+B using the op. No mask
METHOD (GB_add (&C, A->type, true, NULL, false, A, B, op, Context)) ;
// return C to MATLAB as a plain sparse matrix
pargout [0] = GB_mx_Matrix_to_mxArray (&C, "C AplusB result", false) ;
FREE_ALL ;
// printf ("time wrapup: %g\n", simple_toc (tic2)) ;
}
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