File: test133.m

package info (click to toggle)
suitesparse-graphblas 7.4.0%2Bdfsg-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 67,112 kB
  • sloc: ansic: 1,072,243; cpp: 8,081; sh: 512; makefile: 506; asm: 369; python: 125; awk: 10
file content (41 lines) | stat: -rw-r--r-- 900 bytes parent folder | download | duplicates (3)
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
function test133
%TEST133 test mask operations (GB_masker)

% SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
% SPDX-License-Identifier: Apache-2.0

fprintf ('\ntest133: test the mask operation\n') ;

n = 1000 ;
S = sprand (n, n, 0.01) ;
Z = sprand (n, n, 0.5) ;
M = sprand (n, n, 0.01) ;

dtn.inp0 = 'tran' ;

C1 = GB_mex_transpose  (S, M, [ ], Z, dtn) ;
C2 = GB_spec_transpose (S, M, [ ], Z, dtn) ;
GB_spec_compare (C1, C2) ;

d2.inp0 = 'tran' ;
d2.mask = 'complement' ;

C1 = GB_mex_transpose  (S, Z, [ ], M, d2) ;
C2 = GB_spec_transpose (S, Z, [ ], M, d2) ;
GB_spec_compare (C1, C2) ;

D = sprand (n, n, 0.8) ;
D (:, 2:end) = 0 ;

n2 = floor (n/2) ;
S (n2:end, :) = 0 ;
M = sparse (n, n) ;
M (n,1) = 1 ;

C1 = GB_mex_transpose  (D, M, [ ], S, d2) ;
C2 = GB_spec_transpose (D, M, [ ], S, d2) ;
GB_spec_compare (C1, C2) ;

fprintf ('\ntest133: all tests passed\n') ;