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function test83
%TEST83 test GrB_assign with J=lo:0:hi, an empty list, and C_replace true
% SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2020, All Rights Reserved.
% http://suitesparse.com See GraphBLAS/Doc/License.txt for license.
% exercises the C_replace_phase of GB_assign.c
rng ('default') ;
n = 10 ;
A = sparse (ones (n,0)) ;
M = sparse (ones (n)) ;
M (1,1) = 0 ;
S = sparse (rand (n)) ;
J.begin = 1 ;
J.inc = 0 ;
J.end = 2 ;
I = [ ] ;
J1 = 2:0:3 ;
d.outp = 'replace' ;
C2 = GB_mex_assign (S, M, 'plus', A, I, J, d) ;
C1 = S ;
C1 (1,1) = 0 ;
assert (isequal (C1, C2.matrix)) ;
fprintf ('\ntest83: all tests passed\n') ;
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