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//------------------------------------------------------------------------------
// GB_macrofy_sparsity: define macro for the sparsity structure of a matrix
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2025, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
#include "GB.h"
#include "jitifyer/GB_stringify.h"
void GB_macrofy_sparsity // construct macros for sparsity structure
(
// input:
FILE *fp,
const char *matrix_name, // "C", "M", "A", or "B"
int sparsity
)
{
fprintf (fp, "\n// %s matrix: ", matrix_name) ;
switch (sparsity)
{
case 0 : // hypersparse
fprintf ( fp, "hypersparse\n"
"#define GB_%s_IS_HYPER 1\n"
"#define GB_%s_IS_SPARSE 0\n"
"#define GB_%s_IS_BITMAP 0\n"
"#define GB_%s_IS_FULL 0\n",
matrix_name, matrix_name, matrix_name, matrix_name) ;
fprintf (fp,
"#define GBp_%s(%sp,k,vlen) %sp [k]\n"
"#define GBh_%s(%sh,k) %sh [k]\n"
"#define GBi_%s(%si,p,vlen) %si [p]\n"
"#define GBb_%s(%sb,p) 1\n",
matrix_name, matrix_name, matrix_name, matrix_name,
matrix_name, matrix_name, matrix_name, matrix_name,
matrix_name, matrix_name, matrix_name) ;
break ;
case 1 : // sparse
fprintf ( fp, "sparse\n"
"#define GB_%s_IS_HYPER 0\n"
"#define GB_%s_IS_SPARSE 1\n"
"#define GB_%s_IS_BITMAP 0\n"
"#define GB_%s_IS_FULL 0\n",
matrix_name, matrix_name, matrix_name, matrix_name) ;
fprintf (fp,
"#define GBp_%s(%sp,k,vlen) %sp [k]\n"
"#define GBh_%s(%sh,k) (k)\n"
"#define GBi_%s(%si,p,vlen) %si [p]\n"
"#define GBb_%s(%sb,p) 1\n",
matrix_name, matrix_name, matrix_name, matrix_name,
matrix_name, matrix_name, matrix_name, matrix_name,
matrix_name, matrix_name) ;
break ;
case 2 : // bitmap
fprintf ( fp, "bitmap\n"
"#define GB_%s_IS_HYPER 0\n"
"#define GB_%s_IS_SPARSE 0\n"
"#define GB_%s_IS_BITMAP 1\n"
"#define GB_%s_IS_FULL 0\n",
matrix_name, matrix_name, matrix_name, matrix_name) ;
fprintf (fp,
"#define GBp_%s(%sp,k,vlen) ((k) * (vlen))\n"
"#define GBh_%s(%sh,k) (k)\n"
"#define GBi_%s(%si,p,vlen) ((p) %% (vlen))\n"
"#define GBb_%s(%sb,p) %sb [p]\n",
matrix_name, matrix_name, matrix_name, matrix_name,
matrix_name, matrix_name, matrix_name, matrix_name,
matrix_name) ;
break ;
case 3 : // full
fprintf ( fp, "full\n"
"#define GB_%s_IS_HYPER 0\n"
"#define GB_%s_IS_SPARSE 0\n"
"#define GB_%s_IS_BITMAP 0\n"
"#define GB_%s_IS_FULL 1\n",
matrix_name, matrix_name, matrix_name, matrix_name) ;
fprintf (fp,
"#define GBp_%s(%sp,k,vlen) ((k) * (vlen))\n"
"#define GBh_%s(%sh,k) (k)\n"
"#define GBi_%s(%si,p,vlen) ((p) %% (vlen))\n"
"#define GBb_%s(%sb,p) 1\n",
matrix_name, matrix_name, matrix_name, matrix_name,
matrix_name, matrix_name, matrix_name, matrix_name) ;
break ;
default : // unused
fprintf ( fp, "unused\n"
"#define GB_%s_IS_HYPER 0\n"
"#define GB_%s_IS_SPARSE 0\n"
"#define GB_%s_IS_BITMAP 0\n"
"#define GB_%s_IS_FULL 1\n",
matrix_name, matrix_name, matrix_name, matrix_name) ;
fprintf (fp,
"#define GBp_%s(%sp,k,vlen) 0\n"
"#define GBh_%s(%sh,k) (k)\n"
"#define GBi_%s(%si,p,vlen) 0\n"
"#define GBb_%s(%sb,p) 1\n",
matrix_name, matrix_name, matrix_name, matrix_name,
matrix_name, matrix_name, matrix_name, matrix_name) ;
break ;
}
}
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