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//------------------------------------------------------------------------------
// GB_enumify_masker: enumerate a masker problem
//------------------------------------------------------------------------------
// 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_enumify_masker // enumify a masker problem
(
// output:
uint64_t *method_code, // unique encoding of the entire operation
// input:
const GrB_Matrix R, // NULL for phase 1
const bool Rp_is_32, // if true, R->p is 32-bit; else 64-bit
const bool Rj_is_32, // if true, R->h is 32-bit; else 64-bit
const bool Ri_is_32, // if true, R->i is 32-bit; else 64-bit
const GrB_Matrix M,
const bool Mask_struct,
const bool Mask_comp,
const GrB_Matrix C,
const GrB_Matrix Z
)
{
//--------------------------------------------------------------------------
// get the types of R, C, and Z
//--------------------------------------------------------------------------
GrB_Type rtype = (R == NULL) ? NULL : R->type ;
ASSERT (GB_IMPLIES (R != NULL, rtype == C->type)) ;
ASSERT (GB_IMPLIES (R != NULL, rtype == Z->type)) ;
//--------------------------------------------------------------------------
// enumify the types
//--------------------------------------------------------------------------
int rcode = (rtype == NULL) ? 0 : rtype->code ; // 0 to 14
int C_iso_code = (C->iso || rtype == NULL) ? 1 : 0 ;
int Z_iso_code = (Z->iso || rtype == NULL) ? 1 : 0 ;
//--------------------------------------------------------------------------
// enumify the mask
//--------------------------------------------------------------------------
int mtype_code = M->type->code ; // 0 to 14
int mask_ecode ;
GB_enumify_mask (&mask_ecode, mtype_code, Mask_struct, Mask_comp) ;
//--------------------------------------------------------------------------
// enumify the sparsity structures of R, C, M, and Z
//--------------------------------------------------------------------------
int R_sparsity = GB_sparsity (R) ;
int C_sparsity = GB_sparsity (C) ;
int M_sparsity = GB_sparsity (M) ;
int Z_sparsity = GB_sparsity (Z) ;
int rsparsity, csparsity, msparsity, zsparsity ;
GB_enumify_sparsity (&rsparsity, R_sparsity) ;
GB_enumify_sparsity (&csparsity, C_sparsity) ;
GB_enumify_sparsity (&msparsity, M_sparsity) ;
GB_enumify_sparsity (&zsparsity, Z_sparsity) ;
int rp_is_32 = (Rp_is_32 ) ? 1 : 0 ;
int rj_is_32 = (Rj_is_32 ) ? 1 : 0 ;
int ri_is_32 = (Ri_is_32 ) ? 1 : 0 ;
int cp_is_32 = (C->p_is_32) ? 1 : 0 ;
int cj_is_32 = (C->j_is_32) ? 1 : 0 ;
int ci_is_32 = (C->i_is_32) ? 1 : 0 ;
int mp_is_32 = (M->p_is_32) ? 1 : 0 ;
int mj_is_32 = (M->j_is_32) ? 1 : 0 ;
int mi_is_32 = (M->i_is_32) ? 1 : 0 ;
int zp_is_32 = (Z->p_is_32) ? 1 : 0 ;
int zj_is_32 = (Z->j_is_32) ? 1 : 0 ;
int zi_is_32 = (Z->i_is_32) ? 1 : 0 ;
//--------------------------------------------------------------------------
// construct the masker method_code
//--------------------------------------------------------------------------
// total method_code bits: 30 (8 hex digits)
(*method_code) =
// range bits
// R, C, M, Z: 32/64 bits (12 bits, 3 hex digits)
GB_LSHIFT (rp_is_32 , 31) | // 0 or 1 1
GB_LSHIFT (rj_is_32 , 30) | // 0 or 1 1
GB_LSHIFT (ri_is_32 , 29) | // 0 or 1 1
GB_LSHIFT (cp_is_32 , 28) | // 0 or 1 1
GB_LSHIFT (cj_is_32 , 27) | // 0 or 1 1
GB_LSHIFT (ci_is_32 , 26) | // 0 or 1 1
GB_LSHIFT (mp_is_32 , 25) | // 0 or 1 1
GB_LSHIFT (mj_is_32 , 24) | // 0 or 1 1
GB_LSHIFT (mi_is_32 , 23) | // 0 or 1 1
GB_LSHIFT (zp_is_32 , 22) | // 0 or 1 1
GB_LSHIFT (zj_is_32 , 21) | // 0 or 1 1
GB_LSHIFT (zi_is_32 , 20) | // 0 or 1 1
// C and Z iso properites (1 hex digit)
// unused: 2 bits
GB_LSHIFT (C_iso_code , 17) | // 0 or 1 1
GB_LSHIFT (Z_iso_code , 16) | // 0 or 1 1
// mask (1 hex digit)
GB_LSHIFT (mask_ecode , 12) | // 0 to 13 4
// type of R (1 hex digit)
GB_LSHIFT (rcode , 8) | // 0 to 14 4
// sparsity structures of R, M, C, and Z (2 hex digits)
GB_LSHIFT (rsparsity , 6) | // 0 to 3 2
GB_LSHIFT (csparsity , 4) | // 0 to 3 2
GB_LSHIFT (msparsity , 2) | // 0 to 3 2
GB_LSHIFT (zsparsity , 0) ; // 0 to 3 2
}
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