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function gbtest47
%GBTEST47 test GrB.entries, GrB.nonz, numel
% SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
% SPDX-License-Identifier: Apache-2.0
rng ('default') ;
A = 100 * rand (4) ;
X = rand (4) ;
types = gbtest_types ;
for k = 1:length (types)
fprintf ('.') ;
type = types {k} ;
if (isequal (type, 'single complex'))
B = complex (single (A), single (X)) ;
elseif (isequal (type, 'double complex'))
B = complex (A, X) ;
else
B = gbtest_cast (A, type) ;
end
x1 = GrB.entries (B, 'list') ;
x2 = unique (nonzeros (B)) ;
assert (isequal (x1, x2)) ;
assert (isequal (type, GrB.type (x1))) ;
assert (isequal (type, GrB.type (x2))) ;
end
A = magic (4) ;
c0 = nnz (A) ;
c1 = GrB.nonz (A) ;
c2 = GrB.nonz (GrB (A)) ;
assert (c0 == c1) ;
assert (c1 == c2) ;
c1 = GrB.nonz (A, 0) ;
c2 = GrB.nonz (GrB (A), 0) ;
assert (c0 == c1) ;
assert (c1 == c2) ;
A = sparse (A) ;
c0 = nnz (A) ;
c1 = GrB.nonz (A) ;
c2 = GrB.nonz (GrB (A)) ;
assert (c0 == c1) ;
assert (c1 == c2) ;
c1 = GrB.nonz (A, 0) ;
c2 = GrB.nonz (GrB (A), 0) ;
assert (c0 == c1) ;
assert (c1 == c2) ;
A = sparse (A) ;
c0 = nnz (A ~= 1) ;
c1 = GrB.nonz (A, 1) ;
c2 = GrB.nonz (GrB (A), 1) ;
assert (c0 == c1) ;
assert (c1 == c2) ;
try
x = vpa (1) ; %#ok<*NASGU>
have_symbolic = true ;
catch
% symbolic toolbox not available
have_symbolic = false ;
end
for trial = 1:40
fprintf ('.') ;
A = rand (4) ;
A (A > .5) = 0 ;
G = GrB (A) ;
c1 = GrB.entries (A) ;
c2 = GrB.entries (G) ;
assert (c1 == c2) ;
assert (c1 == numel (A)) ;
c1 = GrB.nonz (A) ;
c2 = GrB.nonz (G) ;
assert (c1 == c2) ;
assert (c1 == nnz (A)) ;
B = sparse (A) ;
G = GrB (B) ;
c1 = GrB.entries (B) ;
c2 = GrB.entries (G) ;
assert (c1 == c2) ;
assert (c1 == nnz (B)) ;
c1 = GrB.nonz (B) ;
c2 = GrB.nonz (G) ;
assert (c1 == c2) ;
assert (c1 == nnz (B)) ;
c1 = GrB.nonz (B, 0) ;
c2 = GrB.nonz (G, 0) ;
assert (c1 == c2) ;
assert (c1 == nnz (B)) ;
x1 = GrB.entries (B, 'list') ;
x2 = GrB.entries (G, 'list') ;
assert (isequal (x1, x2)) ;
x1 = GrB.nonz (B, 'list') ;
x2 = GrB.nonz (G, 'list') ;
x0 = unique (nonzeros (B)) ;
assert (isequal (x0, x2)) ;
assert (isequal (x1, x2)) ;
d1 = GrB.entries (B, 'row') ;
d2 = GrB.entries (G, 'row') ;
d3 = length (find (sum (spones (B), 2))) ;
assert (isequal (d1, d2)) ;
assert (isequal (d1, d3)) ;
d1 = GrB.nonz (B, 'row') ;
d2 = GrB.nonz (G, 'row') ;
d3 = length (find (sum (spones (B), 2))) ;
assert (isequal (d1, d2)) ;
assert (isequal (d1, d3)) ;
d1 = GrB.entries (B, 'row', 'list') ;
d2 = GrB.entries (G, 'row', 'list') ;
d3 = find (sum (spones (B), 2)) ;
assert (isequal (d1, d2)) ;
assert (isequal (d1, d3)) ;
d1 = GrB.nonz (B, 'row', 'list') ;
d2 = GrB.nonz (G, 'row', 'list') ;
d3 = find (sum (spones (B), 2)) ;
assert (isequal (d1, d2)) ;
assert (isequal (d1, d3)) ;
d1 = GrB.entries (B, 'col') ;
d2 = GrB.entries (G, 'col') ;
d3 = length (find (sum (spones (B), 1))) ;
assert (isequal (d1, d2)) ;
assert (isequal (d1, d3)) ;
d1 = GrB.nonz (B, 'col') ;
d2 = GrB.nonz (G, 'col') ;
d3 = length (find (sum (spones (B), 1))) ;
assert (isequal (d1, d2)) ;
assert (isequal (d1, d3)) ;
d1 = GrB.entries (B, 'col', 'list') ;
d2 = GrB.entries (G, 'col', 'list') ;
d3 = find (sum (spones (B), 1))' ;
assert (isequal (d1, d2)) ;
assert (isequal (d1, d3)) ;
d1 = GrB.nonz (B, 'col', 'list') ;
d2 = GrB.nonz (G, 'col', 'list') ;
d3 = find (sum (spones (B), 1))' ;
assert (isequal (d1, d2)) ;
assert (isequal (d1, d3)) ;
d1 = GrB.nonz (B, 'col', 'degree') ;
d2 = GrB.nonz (G, 'col', 'degree') ;
d3 = int64 (full (sum (spones (B), 1)))' ;
assert (isequal (d1, d2)) ;
assert (isequal (double (d1), sparse (double (d3)))) ;
% requires vpa in the Symbolic toolbox:
if (have_symbolic)
Huge = GrB (2^30, 2^30) ;
e = numel (Huge) ;
assert (logical (e == 2^60)) ;
end
end
fprintf ('\ngbtest47: all tests passed\n') ;
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