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//------------------------------------------------------------------------------
// GB_encodify_select: encode a select problem, including types and op
//------------------------------------------------------------------------------
// 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"
uint64_t GB_encodify_select // encode an select problem
(
// output:
GB_jit_encoding *encoding, // unique encoding of the entire problem,
// except for the suffix
char **suffix, // suffix for user-defined kernel
// input:
const GB_jit_kcode kcode, // kernel to encode
const GrB_Matrix C,
const GrB_IndexUnaryOp op,
const bool flipij,
const GrB_Matrix A
)
{
//--------------------------------------------------------------------------
// check if the op is JIT'able
//--------------------------------------------------------------------------
if (op != NULL && op->hash == UINT64_MAX)
{
// cannot JIT this op
memset (encoding, 0, sizeof (GB_jit_encoding)) ;
(*suffix) = NULL ;
return (UINT64_MAX) ;
}
//--------------------------------------------------------------------------
// primary encoding of the problem
//--------------------------------------------------------------------------
encoding->kcode = kcode ;
GB_enumify_select (&encoding->code, C, op, flipij, A) ;
//--------------------------------------------------------------------------
// determine the suffix and its length
//--------------------------------------------------------------------------
// if hash is zero, it denotes a builtin operator
uint64_t hash = op->hash ;
encoding->suffix_len = (hash == 0) ? 0 : op->name_len ;
(*suffix) = (hash == 0) ? NULL : op->name ;
//--------------------------------------------------------------------------
// compute the hash of the entire problem
//--------------------------------------------------------------------------
hash = hash ^ GB_jitifyer_hash_encoding (encoding) ;
return ((hash == 0 || hash == UINT64_MAX) ? GB_MAGIC : hash) ;
}
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