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//------------------------------------------------------------------------------
// GB_split_bitmap_template: split a bitmap matrix into a bitmap tile
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2025, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
{
//--------------------------------------------------------------------------
// get C and the tile A
//--------------------------------------------------------------------------
#ifdef GB_JIT_KERNEL
int64_t avlen = A->vlen ;
int64_t cvlen = C->vlen ;
int64_t cvdim = C->vdim ;
int64_t cnzmax = cvlen * cvdim ;
const int8_t *restrict Ab = A->b ;
int8_t *restrict Cb = C->b ;
#endif
#ifndef GB_ISO_SPLIT
const GB_A_TYPE *restrict Ax = (GB_A_TYPE *) A->x ;
GB_C_TYPE *restrict Cx = (GB_C_TYPE *) C->x ;
#endif
int64_t pC ;
int64_t cnz = 0 ;
#pragma omp parallel for num_threads(C_nthreads) schedule(static) \
reduction(+:cnz)
for (pC = 0 ; pC < cnzmax ; pC++)
{
int64_t i = pC % cvlen ;
int64_t j = pC / cvlen ;
int64_t iA = aistart + i ;
int64_t jA = avstart + j ;
int64_t pA = iA + jA * avlen ;
Cb [pC] = Ab [pA] ;
if (Ab [pA])
{
// Cx [pC] = Ax [pA] ;
GB_COPY (pC, pA) ;
cnz++ ;
}
}
C->nvals = cnz ;
}
#undef GB_C_TYPE
#undef GB_A_TYPE
#undef GB_ISO_SPLIT
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