File: GB_split_full_template.c

package info (click to toggle)
suitesparse 1%3A7.10.1%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 254,920 kB
  • sloc: ansic: 1,134,743; cpp: 46,133; makefile: 4,875; fortran: 2,087; java: 1,826; sh: 996; ruby: 725; python: 495; asm: 371; sed: 166; awk: 44
file content (45 lines) | stat: -rw-r--r-- 1,381 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
//------------------------------------------------------------------------------
// GB_split_full_template: split a full matrix into a full tile
//------------------------------------------------------------------------------

// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2025, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0

//------------------------------------------------------------------------------

// This method is not used when the matrices are iso.

{

    //--------------------------------------------------------------------------
    // 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 cnz = cvlen * cvdim ;
    #endif

    const GB_A_TYPE *restrict Ax = (GB_A_TYPE *) A->x ;
          GB_C_TYPE *restrict Cx = (GB_C_TYPE *) C->x ;
    ASSERT (!A->iso) ;

    int64_t pC ;
    #pragma omp parallel for num_threads(C_nthreads) schedule(static)
    for (pC = 0 ; pC < cnz ; 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 ;
        // Cx [pC] = Ax [pA] ;
        GB_COPY (pC, pA) ;
    }
}

#undef GB_C_TYPE
#undef GB_A_TYPE