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//------------------------------------------------------------------------------
// GB_macrofy_mask: return string to define mask macros
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2021, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
// User-defined types cannot be used as a valued mask. They can be used
// as structural masks.
#include "GB.h"
#include "GB_stringify.h"
void GB_macrofy_mask // return enum to define mask macros
(
// input
FILE *fp, // File to write macros, assumed open already
int mask_ecode // enumified mask
)
{
const char *f ;
switch (mask_ecode)
{
//----------------------------------------------------------------------
// no mask
//----------------------------------------------------------------------
case 0 : // mask not complemented
f = "#define GB_MTYPE (no mask present)\n"
"#define MX(p) (no mask present)\n"
"#define GB_MASK_STRUCT 1\n"
"#define GB_MASK_COMP 0\n"
"#define GB_NO_MASK 1" ;
break ;
case 1 : // mask complemented
f = "#define GB_MTYPE (no mask present)\n"
"#define MX(p) (no mask present)\n"
"#define GB_MASK_STRUCT 1\n"
"#define GB_MASK_COMP 1\n"
"#define GB_NO_MASK 1" ;
break ;
//----------------------------------------------------------------------
// M is present, and structural (not valued)
//----------------------------------------------------------------------
case 2 :
// mask not complemented, type: structural
f = "#define GB_MTYPE void\n"
"#define MX(p) 1\n"
"#define GB_MASK_STRUCT 1\n"
"#define GB_MASK_COMP 0\n"
"#define GB_NO_MASK 0" ;
break ;
case 3 :
// mask complemented, type: structural
f = "#define GB_MTYPE void\n"
"#define MX(p) 1\n"
"#define GB_MASK_STRUCT 1\n"
"#define GB_MASK_COMP 1\n"
"#define GB_NO_MASK 0" ;
break ;
//----------------------------------------------------------------------
// M is present, valued, size: 1 byte
//----------------------------------------------------------------------
case 4 :
// mask not complemented, type: bool, int8, uint8
f = "#define GB_MTYPE uint8_t\n"
"#define MX(p) (Mx [p] != 0)\n"
"#define GB_MASK_STRUCT 0\n"
"#define GB_MASK_COMP 0\n"
"#define GB_NO_MASK 0" ;
break ;
case 5 :
// mask complemented, type: bool, int8, uint8
f = "#define GB_MTYPE uint8_t\n"
"#define MX(p) (Mx [p] != 0)\n"
"#define GB_MASK_STRUCT 0\n"
"#define GB_MASK_COMP 1\n"
"#define GB_NO_MASK 0" ;
break ;
//----------------------------------------------------------------------
// M is present, valued, size: 2 bytes
//----------------------------------------------------------------------
case 6 :
// mask not complemented, type: int16, uint16
f = "#define GB_MTYPE uint16_t\n"
"#define MX(p) (Mx [p] != 0)\n"
"#define GB_MASK_STRUCT 0\n"
"#define GB_MASK_COMP 0\n"
"#define GB_NO_MASK 0" ;
break ;
case 7 :
// mask complemented, type: int16, uint16
f = "#define GB_MTYPE uint16_t\n"
"#define MX(p) (Mx [p] != 0)\n"
"#define GB_MASK_STRUCT 0\n"
"#define GB_MASK_COMP 1\n"
"#define GB_NO_MASK 0" ;
break ;
//----------------------------------------------------------------------
// M is present, valued, size: 4 bytes
//----------------------------------------------------------------------
case 8 :
// mask not complemented, type: float, int32, uint32
f = "#define GB_MTYPE uint32_t\n"
"#define MX(p) (Mx [p] != 0)\n"
"#define GB_MASK_STRUCT 0\n"
"#define GB_MASK_COMP 0\n"
"#define GB_NO_MASK 0" ;
break ;
case 9 :
// mask complemented, type: float, int32, uint32
f = "#define GB_MTYPE uint32_t\n"
"#define MX(p) (Mx [p] != 0)\n"
"#define GB_MASK_STRUCT 0\n"
"#define GB_MASK_COMP 1\n"
"#define GB_NO_MASK 0" ;
break ;
//----------------------------------------------------------------------
// M is present, valued, size: 8 bytes
//----------------------------------------------------------------------
case 10 :
// mask not complemented, type: double, float complex, int64, uint64
f = "#define GB_MTYPE uint64_t\n"
"#define MX(p) (Mx [p] != 0)\n"
"#define GB_MASK_STRUCT 0\n"
"#define GB_MASK_COMP 0\n"
"#define GB_NO_MASK 0" ;
break ;
case 11 :
// mask complemented, type: double, float complex, int64, uint64
f = "#define GB_MTYPE uint64_t\n"
"#define MX(p) (Mx [p] != 0)\n"
"#define GB_MASK_STRUCT 0\n"
"#define GB_MASK_COMP 1\n"
"#define GB_NO_MASK 0" ;
break ;
//----------------------------------------------------------------------
// M is present, valued, size: 16 bytes
//----------------------------------------------------------------------
case 12 :
// mask not complemented, type: double complex
f = "#define GB_MTYPE uint64_t\n"
"#define MX(p) (Mx [2*(p)] != 0 || Mx [2*(p)+1] != 0)\n"
"#define GB_MASK_STRUCT 0\n"
"#define GB_MASK_COMP 0\n"
"#define GB_NO_MASK 0" ;
break ;
case 13 :
// mask complemented, type: double complex
f = "#define GB_MTYPE uint64_t\n"
"#define MX(p) (Mx [2*(p)] != 0 || Mx [2*(p)+1] != 0)\n"
"#define GB_MASK_STRUCT 0\n"
"#define GB_MASK_COMP 1\n"
"#define GB_NO_MASK 0" ;
break ;
//----------------------------------------------------------------------
// invalid case
//----------------------------------------------------------------------
default: ;
f = "#error undefined mask behavior" ;
break ;
}
fprintf (fp, "// mask:\n%s\n", f) ;
}
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